SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C LTD
10-K405, 1998-03-31
CRUDE PETROLEUM & NATURAL GAS
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<PAGE>

                       Securities and Exchange Commission

                             Washington, D.C. 20549


                                    FORM 10-K

             [ X ] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934
                   For the fiscal year ended December 31, 1997
                                       OR
            [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

      For the transition period from __________________ to ________________


                       Commission File number 33-15998-10


                          SWIFT ENERGY MANAGED PENSION
                         ASSETS PARTNERSHIP 1990-C, LTD.
                    (Exact name of registrant as specified in
                     its Certificate of Limited Partnership)

         TEXAS                                   76-0318473
(State of Organization)             (I.R.S. Employer Identification No.)


                         16825 Northchase Dr., Suite 400
                              Houston, Texas 77060
                                 (281) 874-2700
          (Address and telephone number of principal executive offices)


                    Securities registered pursuant to Section 12(b) of the Act:
                                      None

                    Securities registered pursuant to Section 12(g) of the Act:
                       36,546.22 Limited Partnership Units


Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such shorter  periods that the  registrant  was
required),  and (2) has been subject to such filing requirements for the past 90
days.
                                    Yes  X    No
                                        ---

Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of Regulation  S-K is not contained  herein,  and will not be contained,  to the
best of registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [ X ]

Registrant does not have an aggregate  market value for its Limited  Partnership
Interests.

                       Documents Incorporated by Reference

Document                                          Incorporated as to

    Registration Statement No. 33-15998             Items 1 and 13
     on Form S-1


<PAGE>


                                TABLE OF CONTENTS

                             Form 10-K Annual Report
                     For the Period Ended December 31, 1997

                          SWIFT ENERGY MANAGED PENSION
                         ASSETS PARTNERSHIP 1990-C, LTD.

<TABLE>
<CAPTION>
ITEM NO.                     PART I                                       PAGE
  <S>       <C>                                                         <C>
   1        Business                                                      I-1
   2        Properties                                                    I-5
   3        Legal Proceedings                                             I-7
   4        Submission of Matters to a Vote of
              Security Holders                                            I-7


                             PART II

   5        Market Price of and Distributions on the
              Registrant's Units and Related Limited
              Partner Matters                                            II-1
   6        Selected Financial Data                                      II-2
   7        Management's Discussion and Analysis of
              Financial Condition and Results of Operations              II-2
   8        Financial Statements and Supplementary Data                  II-3
   9        Disagreements on Accounting and Financial
              Disclosure                                                 II-3


                             PART III

  10        Directors and Executive Officers of the
              Registrant                                                III-1
  11        Executive Compensation                                      III-2
  12        Security Ownership of Certain Beneficial
              Owners and Management                                     III-2
  13        Certain Relationships and Related Transactions              III-2


                             PART IV

  14        Exhibits, Financial Statement Schedules
              and Reports on Form 8-K                                    IV-1


                             OTHER

            Signatures
</TABLE>


<PAGE>

          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.

                                     PART I

Item 1.  Business

General Description of Partnership

         Swift Energy Managed Pension Assets Partnership  1990-C,  Ltd., a Texas
limited  partnership (the "Partnership" or the  "Registrant"),  is a partnership
formed under a public serial  limited  partnership  offering  denominated  Swift
Energy Managed  Pension Assets Fund I  (Registration  Statement No.  33-15998 on
Form S-1, originally declared effective November 13, 1987, and amended effective
November  3,  1988,   August  4,  1989  and  May  1,  1990  [the   "Registration
Statement"]).  The Partnership was formed  effective  September 30, 1990 under a
Limited Partnership  Agreement dated September 30, 1990. The initial 425 limited
partners made capital contributions of $3,654,622.

         The  Partnership  is  principally  engaged in the business of acquiring
nonoperating  interests  (i.e.,  net profits  interests,  royalty  interests and
overriding  royalty  interests)  in proven  oil and gas  properties  within  the
continental United States. The Partnership does not acquire working interests in
or operate oil and gas properties,  and does not engage in drilling  activities.
At December 31, 1997, the  Partnership  had expended or committed to expend 100%
of the limited partners' net commitments  (i.e.,  limited partners'  commitments
available  to  the  Partnership  for  property  acquisitions  after  payment  of
organizational  fees  and  expenses)  in  the  acquisition  and  development  of
nonoperating  interests in producing properties,  which properties are described
under Item 2,  "Properties,"  below. The Partnership's  income is derived almost
entirely from its nonoperating interests and the disposition thereof.

         The  Partnership's  business and affairs are  conducted by its Managing
General  Partner,  Swift Energy  Company,  a Texas  corporation  ("Swift").  The
Partnership's Special General Partner, VJM Corporation, a California corporation
("VJM"), consults with and advises Swift as to certain financial matters.

         The  general  manner in which  the  Partnership  acquires  nonoperating
interests  and  otherwise  conducts  its  business is described in detail in the
Registration Statement under "Proposed Activities," which is incorporated herein
by reference.  The following is intended only as a summary of the  Partnership's
manner of doing business and specific activities to date.

Liquidation

         In October  1997,  the managing  general  partner  informed the limited
partners of a proposal to sell all the Partnership's  nonoperating  interests in
properties and dissolve and liquidate the  Partnership.  The special  meeting of
Limited  Partners was held on November 25, 1997. Since a quorum was not reached,
the meeting was adjourned and subsequently held on December 9, 1997.

         Of the total units held by the limited  partners, a  majority voted for
adoption of the  proposal  for sales of  substantially  all of the assets of the
Partnership and the dissolution,  winding up and termination of the Partnership.
The  Partnership  adopted the  liquidation  basis of  accounting  for the period
subsequent to November 30, 1997.

Manner of  Acquiring  Nonoperating  Interests  in  Properties;  Net  Profits and
Overriding Royalty Interest Agreement

         The nonoperating  interests owned by the Registrant have typically been
acquired  pursuant to a Net Profits and Overriding  Royalty  Interest  Agreement
dated  September 30, 1990 (the "NP/OR  Agreement")  between the  Registrant  and
Swift Energy Income Partners  1990-C,  Ltd. (the "Operating  Partnership").  The
Operating  Partnership  is a Texas limited  partnership  that is also managed by
Swift and VJM.  The  Operating  Partnership  was formed to acquire  and  develop
producing oil and gas properties.

         Under the NP/OR Agreement, the Registrant and the Operating Partnership
have, in effect,  combined their funds to acquire  producing  properties.  Using
funds  committed to the NP/OR  Agreement  by both  partnerships,  the  Operating
Partnership  acquires producing  properties,  then promptly conveys nonoperating
interests therein to the Registrant. The Operating Partnership retains a working
interest in each such property, and is responsible for the production of oil and
gas therefrom. For the sake of legal and administrative  convenience,  producing
properties  are usually  acquired from the third party  sellers by Swift,  which
then  conveys  a  working  interest  in  each  such  property  to the  Operating
Partnership.  The Registrant  initially  committed  $3,072,822 and the Operating
Partnership  initially  committed  $5,200,650 for  acquisitions  under the NP/OR
Agreement.  The Operating  Partnership is obligated under the NP/OR Agreement to
convey to the  Registrant  a 37%  fixed  net  profits  interest  and a  variable
overriding  royalty  interest in specified  depths of all  producing  properties
acquired under the NP/OR Agreement.

                                      I-1

<PAGE>

          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.

         Under the NP/OR  Agreement,  the Operating  Partnership  is required to
convey  to  the  Registrant,   and  the  Registrant  is  required  to  purchase,
nonoperating  interests in all  producing  properties  acquired by the Operating
Partnership, except that:

                  1. properties  anticipated to require significant  development
operations and nonoperating  interests  offered to the Operating  Partnership by
third  parties may be purchased by the Operating  Partnership  outside the NP/OR
Agreement, without participation by the Registrant;

                  2. during a  specified  one-year  period,  the  Registrant  is
entitled to reduce the amount originally  committed by it to purchases under the
NP/OR  Agreement  and to redirect  such funds to the  purchase  of  nonoperating
interests from sources other than the Operating Partnership; and

                  3. the  Registrant's  funds  will be  released  from the NP/OR
Agreement if they are not completely spent by the Operating Partnership within a
specified  period,  or if there is a prior  withdrawal of funds by the Operating
Partnership  to  purchase   properties   anticipated   to  require   significant
development.

         Purchases of nonoperating  interests by the Registrant  using withdrawn
or  released  funds  may be made  from  the  Managing  General  Partner  and its
affiliates,   other  partnerships  affiliated  with  the  Operating  Partnership
(possibly through the Registrant's  entry into a new NP/OR  Agreement),  or from
unaffiliated third parties.

         In accordance with its  obligations  under the NP/OR  Agreement,  as of
December 31, 1997 the Operating Partnership had conveyed to the Registrant a 37%
net  profits  interest  burdening  certain  depths of all  producing  properties
acquired  by the  Operating  Partnership  thereunder.  Typically,  a net profits
interest in an oil and gas property entitles the owner to a specified percentage
share of the gross proceeds generated by the burdened property, net of operating
costs.  The net  profits  interest  conveyed to the  Registrant  under the NP/OR
Agreement differs from the typical net profits interest in that it is calculated
over  the  entire  group  of  producing  properties  conveyed  under  the  NP/OR
Agreement; i.e., all operating costs attributable to the burdened depths of such
properties are  aggregated,  and the total is then  subtracted from the total of
all gross  proceeds  attributable  to such depths in order to calculate  the net
profits to which the Registrant is entitled.  The net profits interest  conveyed
to the Registrant  burdens only those depths of each subject property which were
evaluated to contain proved reserves at the date of  acquisition,  to the extent
such depths underlie specified surface acreage.

         The Operating Partnership has also conveyed to the Registrant under the
NP/OR  Agreement  an  overriding  royalty  interests in each  property  acquired
thereunder. An overriding royalty interest is a fractional interest in the gross
production  (or the gross  proceeds  therefrom)  of oil and gas from a property,
free of any exploration,  development,  operation or maintenance expenses. Under
the NP/OR  Agreement,  the overriding  royalty  interest burdens the portions of
each producing  property that were  evaluated at the date of acquisition  not to
contain proved reserves.

Competition, Markets and Regulations

         Competition

         The oil and gas industry is highly  competitive in all its phases.  The
Partnership encounters strong competition from many other oil and gas producers,
many of which possess substantial financial resources, in acquiring economically
desirable Producing Properties.

         Markets

         The amounts of and price  obtainable  for oil and gas  production  from
Partnership  Properties will be affected by market factors beyond the control of
the  Partnership.  Such factors include the extent of domestic  production,  the
level of imports of foreign oil and gas, the general level of market demand on a
regional, national and worldwide basis, domestic and foreign economic conditions
that  determine  levels of industrial  production,  political  events in foreign
oil-producing  regions, and variations in governmental  regulations and tax laws
and  the  imposition  of new  governmental  requirements  upon  the  oil and gas
industry. There can be no assurance that oil and gas prices will not decrease in
the future, thereby decreasing net Revenues from Partnership Properties.

                                      I-2

<PAGE>

          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.

         From time to time,  there may exist a  surplus  of  natural  gas or oil
supplies,  the effect of which may be to reduce the amount of hydrocarbons  that
the  Partnerships may produce and sell while such oversupply  exists.  In recent
years,  initial steps have been taken to provide  additional gas  transportation
lines from Canada to the United States. If additional Canadian gas is brought to
the United States market, it could create downward pressure on United States gas
prices.

         Regulations

         Environmental Regulation

         The federal  government  and various state and local  governments  have
adopted  laws and  regulations  regarding  the control of  contamination  of the
environment.  These laws and regulations may require the acquisition of a permit
by Operators before drilling commences,  prohibit drilling activities on certain
lands  lying  within  wilderness  areas or where  pollution  arises  and  impose
substantial  liabilities for pollution  resulting from operations,  particularly
operations near or in onshore and offshore waters or on submerged  lands.  These
laws and  regulations  may also  increase  the  costs of  routine  drilling  and
operation of wells.  Because these laws and regulations change  frequently,  the
costs to the  Partnership of compliance  with existing and future  environmental
regulations cannot be predicted.  However, the Managing Partner does not believe
that the  Partnership is affected in a significantly  different  manner by these
regulations than are its competitors in the oil and gas industry.

         Federal Regulation of Natural Gas

         The  transportation  and sale of natural gas in interstate  commerce is
heavily  regulated  by  agencies  of  the  federal  government.   The  following
discussion is intended only as a summary of the principal statutes,  regulations
and  orders  that  may  affect  the  production  and  sale of  natural  gas from
Partnership  Properties.  This  summary  should not be relied upon as a complete
review of applicable natural gas regulatory provisions.

         FERC Orders

         Several major  regulatory  changes have been implemented by the Federal
Energy Regulatory  Commission  ("FERC") from 1985 to the present that affect the
economics of natural gas production,  transportation and sales. In addition, the
FERC  continues  to  promulgate  revisions  to various  aspects of the rules and
regulations  affecting  those  segments of the natural gas industry  that remain
subject to the FERC's jurisdiction. In April 1992, the FERC issued Order No. 636
pertaining to pipeline restructuring. This rule requires interstate pipelines to
unbundle  transportation  and sales services by separately  stating the price of
each service and by providing  customers  only the particular  service  desired,
without  regard to the source for  purchase of the gas.  The rule also  requires
pipelines to (i) provide  nondiscriminatory  "no-notice"  service  allowing firm
commitment  shippers to receive  delivery of gas on demand up to certain  limits
without  penalties,  (ii) establish a basis for release and reallocation of firm
upstream  pipeline  capacity  and  (iii)  provide  non-discriminatory  access to
capacity by firm  transportation  shippers on a  downstream  pipeline.  The rule
requires interstate  pipelines to use a straight fixed variable rate design. The
rule imposes these same requirements upon storage facilities.

         FERC Order No. 500  affects the  transportation  and  marketability  of
natural gas.  Traditionally,  natural gas has been sold by producers to pipeline
companies,  which then  resold the gas to  end-users.  FERC Order No. 500 alters
this market structure by requiring  interstate  pipelines that transport gas for
others to provide  transportation  service to  producers,  distributors  and all
other shippers of natural gas on a nondiscriminatory, "first-come, first-served"
basis ("open access  transportation"),  so that producers and other shippers can
sell natural gas directly to end-users.  FERC Order No. 500 contains  additional
provisions intended to promote greater competition in natural gas markets.

         It is not anticipated  that the  marketability  of and price obtainable
for natural gas production from  Partnership  Properties  will be  significantly
affected  by FERC  Order No.  500.  Gas  produced  from  Partnership  Properties
normally  will be sold to  intermediaries  who have entered into  transportation
arrangements with pipeline companies.  These  intermediaries will accumulate gas
purchased from a number of producers and sell the gas to end-users  through open
access pipeline transportation.

                                      I-3

<PAGE>

          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.


         State Regulations

         Production  of any oil  and gas  from  Partnership  Properties  will be
affected  to some  degree  by  state  regulations.  Many  states  in  which  the
Partnership will operate have statutory provisions regulating the production and
sale  of oil  and  gas,  including  provisions  regarding  deliverability.  Such
statutes, and the regulations promulgated in connection therewith, are generally
intended to prevent  waste of oil and gas and to protect  correlative  rights to
produce  oil and  gas  between  owners  of a  common  reservoir.  Certain  state
regulatory  authorities  also  regulate  the amount of oil and gas  produced  by
assigning allowable rates of production to each well or proration unit.

         Federal Leases

         Some of the Partnership's properties are located on federal oil and gas
leases  administered by various federal  agencies,  including the Bureau of Land
Management.   Various  regulations  and  orders  affect  the  terms  of  leases,
exploration and development plans, methods of operation and related matters.

         Employees

         The  Partnership  has no  employees.  Swift,  however,  has a staff  of
geologists,   geophysicists,   petroleum  engineers,   landmen,  and  accounting
personnel who  administer  the  operations of Swift and the  Partnership.  As of
December 31, 1997, Swift had 194 employees.  Swift's administrative and overhead
expenses  attributable  to  the  Partnership's   operations  are  borne  by  the
Partnership.


                                      I-4


<PAGE>


          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.


Item 2.  Nonoperating Interests in Properties

         As of December  31, 1997,  the  Partnership  has acquired  nonoperating
interests in producing  oil and gas  properties  which are  generally  described
below.

Principal Oil and Gas Producing Properties

         The most  valuable  fields  in the  Partnership,  based  upon  year-end
engineering  estimates of discounted  future net revenues using constant pricing
and costs, are described below.

         1. The  Velrex  Field is  located  in  Schleicher  County,  Texas,  and
accounts for 43% of the value in this  Partnership.  Wells in this field produce
from the Henderson and Canyon Sands, (Sugarland acquisition).

         2. The  Cody  Bell  Field is in  Schleicher  County,  Texas  (Sugarland
acquisition). This field represents 25% of the Partnership's value.

         3. The Key Field is in Wheeler County, Texas (Arkla acquisition).  This
field represents 20% of the Partnership's value.

         The remaining  value in the  Partnership  is  attributable  to numerous
properties  none of which equals or exceeds 15 percent of the total  Partnership
value.

Title to Properties

         Title to substantially  all significant  producing  properties in which
the Partnership owns  nonoperating  interests has been examined.  In addition to
the nonoperating interests owned by the Partnership,  the properties are subject
to royalty,  overriding  royalty and other interests  customary in the industry.
The Managing  General  Partner does not believe any of these burdens  materially
detract from the value of the  properties  or will  materially  detract from the
value of the properties or materially  interfere with their use in the operation
of the business of the Partnership.

Production and Sales Price

         The following  table  summarizes the volumes of the  Partnership's  net
nonoperating  interests in oil and gas production expressed in MCFs.  Equivalent
MCFs are obtained by converting oil to gas on the basis of their relative energy
content;  one barrel  equals 6,000 cubic feet of gas.  Average Net  Nonoperating
Interest  Price per Equivalent MCF is determined by dividing the related oil and
gas revenue from nonoperating interests by the equivalent MCF's.

<TABLE>
<CAPTION>
                                           Net Production
                                -----------------------------------
                                         For the Years Ended
                                            December 31,
                                -----------------------------------
                                  1997         1996           1995
                                ------        -------        -------
<S>                             <C>           <C>            <C>
Net Volumes (Equivalent MCFs)   104,937       182,475        212,815

Average Net Nonoperating
   Interest Price per
   Equivalent MCF               $1.49         $1.38          $0.86
</TABLE>


                                      I-5


<PAGE>


          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.


Net Proved Oil and Gas Reserves

         Presented below are the estimates of the Partnership's  proved reserves
as of December 31, 1997,  1996 and 1995. The  Partnership  does not itself own a
direct  interest in proved  reserves.  The proved reserve  estimates shown below
represent an estimate of the proved reserves owned by the Operating  Partnership
equal to the percentage net profits interest  conveyed to the Partnership by the
Operating Partnership. All of the Partnership's nonoperating interests in proved
reserves are located in the United States.

<TABLE>
<CAPTION>
                                                                      December 31,
                                    ------------------------------------------------------------------------------
                                            1997                          1996                        1995
                                    ---------------------       ----------------------       ---------------------
                                                  Natural                    Natural                       Natural
                                      Oil          Gas            Oil          Gas             Oil           Gas
                                    -------      --------       -------      ---------       -------      --------
                                    (BBLS)        (MMCF)         (BBLS)       (MMCF)         (BBLS)        (MMCF)
<S>                                  <C>             <C>        <C>              <C>          <C>            <C>
Proved developed
   reserves at end of year            3,377           409         8,599            691        36,888         1,580
                                    -------         -----       -------          -----       -------         -----
Proved reserves
   Balance at beginning
     of year                         10,332           841        39,302          1,688        40,579         1,916

   Extensions, discoveries
     and other additions                 --            --            --             --            --            --

   Revisions of previous
     estimates                        1,693           (15)        1,714             81         6,062           (59)

   Sales of minerals in
     place                           (6,203)         (221)      (26,385)          (771)           --            --

   Production                        (1,641)          (95)       (4,299)          (157)       (7,339)         (169)
                                    -------         -----       -------          -----       -------         -----

   Balance at end of year             4,181           510        10,332            841        39,302         1,688
                                    -------         -----       -------          -----       -------         -----
</TABLE>


         Revisions  of  previous  quantity  estimates  are  related to upward or
downward  variations  based on current  engineering  information  for production
rates,  volumetrics and reservoir  pressure.  Additionally,  changes in quantity
estimates  are the result of the  increase  or decrease in crude oil and natural
gas prices at each year end which have the effect of adding or  reducing  proved
reserves on marginal properties due to economic limitations.


                                      I-6


<PAGE>


          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.


         The following table summarizes by acquisition the  Registrant's  proved
reserves equal to the percentage net profits interests conveyed by the Operating
Partnership  and its  nonoperating  interests in gross and net producing oil and
gas wells as of December 31, 1997:

<TABLE>
<CAPTION>
                                                                 Reserves
                                                             December 31, 1997
                                                           ---------------------

                                                                         Natural                    Wells
                                                         Oil               Gas             ------------------------
Acquisition                State(s)                     (BBLS)            (MMCF)           Gross              Net
- -----------                ---------                    ------           -------           ------           -------
<S>                        <C>                           <C>                 <C>               <C>            <C>
Richer                     TX                                6                30                4             0.046
Sugarland                  OK, TX                        4,108               377               56             2.930
Arkla                      TX                               67               103                2             0.198
                                                        ------             -----             ----             -----
                                                         4,181               510               62             3.174
                                                        ------             -----             ----             -----
</TABLE>

         There are numerous  uncertainties  inherent in estimating quantities of
proved  reserves and in projecting  the future rates of  production,  timing and
plan of  development.  Oil and gas reserve  engineering  must be recognized as a
subjective process of estimating  underground  accumulations of oil and gas that
cannot be measured  in an exact way,  and  estimates  of other  engineers  might
differ  from  those  above,  audited  by H. J.  Gruy and  Associates,  Inc.,  an
independent petroleum consulting firm. The accuracy of any reserve estimate is a
function of the quality of  available  data and of  engineering  and  geological
interpretation  and  judgment.  Results  of  drilling,  testing  and  production
subsequent  to the date of the estimate may justify  revision of such  estimate,
and, as a general rule,  reserve  estimates based upon  volumetric  analysis are
inherently  less  reliable  than  those  based on  lengthy  production  history.
Accordingly,  reserve  estimates are often  different from the quantities of oil
and gas that are ultimately recovered.

         In estimating  the oil and natural gas  reserves,  the  Registrant,  in
accordance with criteria  prescribed by the Securities and Exchange  Commission,
has used prices received as of December 31, 1997 without  escalation,  except in
those instances where fixed and determinable  gas price  escalations are covered
by  contracts,  limited  to the  price the  Partnership  reasonably  expects  to
receive.  The  Registrant  does not believe that any  favorable or adverse event
causing a significant  change in the estimated  quantity of proved  reserves has
occurred between December 31, 1997 and the date of this report.

         Future prices received for the sale of the  Partnership's  products may
be higher or lower than the prices used in the evaluation  described  above; the
operating  costs relating to such  production may also increase or decrease from
existing  levels.  The estimates  presented  above are in accordance  with rules
adopted by the Securities and Exchange Commission.

Item 3. Legal Proceedings

         The Partnership is not aware of any material pending legal  proceedings
to which it is a party or of which any of its property is the subject.

Item 4. Submission of Matters to a Vote of Security Holders

         No matters  were  submitted  to a vote of limited  partners  during the
fourth  quarter of the fiscal year covered by this  report,  except as discussed
above in Item 1. "Liquidation" section.


                                      I-7


<PAGE>


          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.

                                     PART II


Item 5. Market Price of and Distributions on the Registrant's  Units and Related
Limited Partner Matters

Market Information

         Units in the  Partnership  were  initially  sold at a price of $100 per
Unit.  Units are not traded on any exchange and there is no  established  public
trading  market for the Units.  Swift is aware of negotiated  transfers of Units
between  unrelated  parties;  however,  these  transfers  have been  limited and
sporadic.  Due to the  nature of these  transactions,  Swift  has no  verifiable
information regarding prices at which Units have been transferred.

Holders

         As of December 31, 1997,  there were 425 Limited Partners holding Units
in the Partnership.

Distributions

         The Partnership  generally makes distributions to Limited Partners on a
quarterly  basis,   subject  to  the  restrictions  set  forth  in  the  Limited
Partnership Agreement. In the fiscal years ended December 31, 1996 and 1997, the
Partnership  distributed  a total of $90,000 and $86,700,  respectively,  to the
holders of its Units.  Cash  distributions  constitute net proceeds from sale of
oil and gas  production  after  payment of lease  operating  expenses  and other
partnership expenses.  Some or all of such amounts or any proceeds from the sale
of partnership  properties  could be deemed to constitute a return of investors'
capital.

         Due to the liquidation of the Partnership,  the last regular  quarterly
distribution  was made in January 1998. For  information  regarding  liquidating
distributions,  reference is made to Item 7.  "Liquidity and Capital  Resources"
section.

                                      II-1


<PAGE>

          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.

Item 6. Selected Financial Data

         The following  selected  financial  data,  prepared in accordance  with
generally  accepted  accounting  principles as of December 31, 1997, 1996, 1995,
1994 and  1993,  should be read in  conjunction  with the  financial  statements
included in Item 8:

<TABLE>
<CAPTION>
                                  1997               1996               1995              1994             1993
                              ------------       ------------       ------------      ------------     ------------
<S>                        <C>                <C>                <C>               <C>               <C>
Revenues                   $     160,453      $     250,684      $      169,378    $     311,617     $     394,147
Income (Loss)              $      43,655      $      44,118      $     (264,655)   $    (681,271)    $      58,057
Total Assets               $                  $     722,181      $    1,131,098    $   1,482,696     $   2,423,209
Cash Distributions         $     104,366      $     110,267      $       60,751    $     136,991     $     404,838
Long Term Obligations      $                  $          --      $           --    $          --     $          --
Limited Partners' Net
  Income (Loss)Per Unit    $        1.12      $        1.17      $        (6.52)   $      (16.42)    $        1.25 
Limited Partners' 
  Cash Distribution 
  Per Unit                 $        2.37      $        2.46      $         1.28    $        3.15     $       10.25
</TABLE>

Item 7. Management's Discussion and Analysis of Financial Condition
           and Results of Operations

Liquidation

         In October  1997,  the Managing  General  Partner  informed the limited
partners of a proposal to sell all the Partnership's  nonoperating  interests in
properties and dissolve and liquidate the  Partnership.  The special  meeting of
Limited  Partners was held on November 25, 1997. Since a quorum was not reached,
the meeting was adjourned and subsequently held on December 9, 1997.

         Of the total units held by the limited  partners, a  majority voted for
adoption of the  proposal  for sales of  substantially  all of the assets of the
Partnership and the dissolution,  winding up and termination of the Partnership.
The  Partnership  adopted the  liquidation  basis of  accounting  for the period
subsequent to November 30, 1997.

Liquidity and Capital Resources

         Oil  and  gas  reserves  are  depleting   assets  and  therefore  often
experience   significant   production  declines  each  year  from  the  date  of
acquisition  through the end of the life of the property.  The primary source of
liquidity to the  Partnership  comes almost  entirely from the income  generated
from the sale of oil and gas produced  from  ownership  interests in oil and gas
properties and during liquidation from the sale of the ownership of nonoperating
interests in oil and gas  properties.  Net cash  provided by (used in) operating
activities  totaled  $53,526,  $(103,125)  and  $90,798 in 1997,  1996 and 1995,
respectively.  Cash  provided  by  property  sales  proceeds  totaled  $228,473,
$308,670  and $510 in 1997,  1996 and  1995,  respectively.The  Partnership  has
expended  all  of  the   partner's  net   commitments   available  for  property
acquisitions and development by acquiring producing oil and gas properties.  The
Partnership invests primarily in proved producing properties with nominal levels
of future costs of development for proven but undeveloped reserves.  Significant
purchases  of  additional  reserves  or  extensive  drilling  activity  are  not
anticipated. Capital expenditures in 1997, 1996 and 1995 totaled $0, $55,304 and
$30,476, respectively. Cash distributions to partners totaled $104,366, $110,267
and $60,751 in 1997, 1996 and 1995, respectively.

         After  sale  of  all  its  nonoperating  interests  in  properties  and
settlement of its liabilities,  the Partnership's  assets will consist solely of
cash,  which it will  distribute  to its partners in complete  liquidation.  The
Partnership will not realize gain or loss upon such  distribution of cash to its
partners in liquidation.

                                      II-2

<PAGE>

          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.


Results of Operations

         As a result of the limited partners' approval of the liquidation of the
Partnership,  the  Partnership  has changed its basis of  accounting,  effective
December  1, 1997,  from the  historical  cost basis to the  liquidation  basis.
During the process of liquidating the Partnership, the Partnership continued its
operations  which primarily  consisted of the production and sale of oil and gas
from  producing  properties.  Under the  liquidation  basis of  accounting,  the
Partnership's  financial  results  from these  operations  are  included  in the
Statement  of Changes in Net Assets  for the  period  from  December  1, 1997 to
December 31, 1997.  The  Partnership's  results from its oil and gas  operations
presented  herein  are on a  combined  basis for the 1997  periods  prior to and
subsequent to the adoption of the liquidation basis of accounting.

         Income from  nonoperating  interests  decreased 37 percent in 1997 over
1996.  Oil and gas sales  decreased  36  percent  in 1997 vs.  1996.  Production
volumes  decreased 42 percent due to a 39 percent gas production  decrease and a
62 percent oil production decline. The decrease in production,  primarily due to
the sale of oil and gas assets as a part of the liquidation process, had a major
impact on  partnership  performance.  An  increase  in the 1997 gas prices of 16
percent or $.33/MCF partially offset the production declines.

         Income from  nonoperating  interests  increased 48 percent in 1996 over
1995. Oil and gas sales increased 9 percent in 1996 vs. 1995.  Increases in both
1996 gas and oil prices were major contributors to the increased  revenues.  The
Partnership  experienced an increase in gas prices of 39 percent or $.56/MCF and
an  increase  in oil  prices of 22  percent  or  $3.31/BBL.  Production  volumes
decreased 14 percent due to a 41 percent oil production decrease and a 7 percent
gas production  decline.  The partnership's sale of several low value properties
had an impact on  partnership  performance.  The production  declines  partially
offset  the  effect  of  increased  oil and  gas  prices  impacting  partnership
performance.

         Two  components,  the  normal  provision,  calculated  on the  units of
production  method,  and  the  additional  provision,  relating  to the  ceiling
limitation,  make up total amortization expense.  Total amortization expense for
1996 decreased 63 percent or $245,479 when compared to 1995. Normal amortization
expense increased 2 percent or $2,588 in 1996 when compared to 1995.

         The  Partnership  recorded an additional  provision in  amortization in
1995 of $248,067 when the present value, discounted at ten percent, of estimated
future net revenues  from oil and gas  properties,  using the  guidelines of the
Securities and Exchange Commission, was below the fair market value paid for oil
and gas properties resulting in a full cost ceiling impairment.

         From January 1, 1998 until the date the Partnership is liquidated,  the
Partnership  revenues  and costs will be shared  between the limited and general
partners in a 90:10 ratio, based on the annualized rate of cash distributions by
the Partnership during a certain period prior to December 31, 1997.

Item 8. Financial Statements and Supplementary Data

         See Part IV, Item 14(a) for index to financial statements.

Item 9. Disagreements on Accounting and Financial Disclosure

         None.


                                      II-3


<PAGE>


          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.

                                    PART III


Item 10.  Directors and Executive Officers of the Registrant

         As a limited partnership,  the Registrant has no directors or executive
officers.  The  business and affairs of the  Registrant  are managed by Swift as
Managing General Partner.  Set forth below is certain information as of February
18, 1998 regarding the directors and executive officers of Swift.

<TABLE>
<CAPTION>
                                         Position(s) with
         Name             Age        Swift and Other Companies
         ----             ---        -------------------------
<S>                       <C>   <C>
                                DIRECTORS

A. Earl Swift             64    Chief Executive Officer and
                                Chairman of the Board

Virgil N. Swift           69    Executive Vice President - Business
                                Development, Vice Chairman of the Board

G. Robert Evans           66    Director of Swift; Chairman of the Board,
                                Material Sciences Corporation;
                                Director, Consolidated Freightways, Inc.,
                                Fibreboard  Corporation,   Elco  Industries,
                                and Old Second Bancorp

Raymond O. Loen           73    Director of Swift; President, R. O. Loen
                                Company

Henry C. Montgomery       62    Director of Swift; Chairman of the Board,
                                Montgomery Financial Services Corporation;
                                Director, Southwall Technology Corporation

Clyde W. Smith, Jr.       49    Director of Swift; President, Somerset
                                Properties, Inc.

Harold J. Withrow         70    Director of Swift

                                EXECUTIVE OFFICERS

Terry E. Swift            42    President, Chief Operating Officer

John R. Alden             52    Senior Vice President - Finance,
                                Chief Financial Officer and Secretary

Bruce H. Vincent          50    Senior Vice President - Funds Management

James M. Kitterman        53    Senior Vice President - Operations

Joe A. D'Amico            49    Senior Vice President- Exploration and
                                Development

Alton D. Heckaman, Jr.    40    Vice President - Finance and
                                Controller
</TABLE>


                                     III-1


<PAGE>


          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.


         From time to time, Swift as Managing General Partner of the Partnership
purchases Units in the  Partnership  from investors who offer the Units pursuant
to their right of  presentment,  which  purchases are made pursuant to terms set
out in the  Partnership's  original Limited  Partnership  Agreement.  Due to the
frequency  and  large  number  of  these   transactions,   Swift  reports  these
transactions  under  Section  16 of the  Securities  Exchange  Act of 1934 on an
annual  rather than a monthly  basis.  In some cases such annual  reporting  may
constitute a late filing of the required Section 16 reports under the applicable
Section 16 rules.

Item 11.  Executive Compensation

         As  noted  in  Item  10,  "Directors  and  Executive  Officers  of  the
Registrant,"  above,  the Partnership has no executive  officers.  The executive
officers of Swift and VJM are not compensated by the Partnership.

         Certain fees and  allowances  contemplated  by the Limited  Partnership
Agreement  have been paid by the  Partnership  to Swift and VJM. See Note (4) in
Notes  To  Financial   Statements   (Related-Party   Transactions)  for  further
discussion.

Item 12.  Security Ownership of Certain Beneficial Owners and Management

         No  single  limited  partner  is  known  to the  Partnership  to be the
beneficial owner of more than five percent of the Partnership's Units.

         Swift and VJM are not aware of any arrangement,  the operation of which
may at a subsequent date result in a change in control of the Partnership.

Item 13.  Certain Relationships and Related Transactions

         As  noted  in  Item  10,  "Directors  and  Executive  Officers  of  the
Registrant," above, the Partnership has no executive officers or directors,  and
thus has not  engaged  in any  transactions  in which  any  such  person  had an
interest.  The Partnership is permitted to engage in certain  transactions  with
Swift as Managing General Partner and VJM as Special General Partner, subject to
extensive  guidelines  and  restrictions  as  described  in  the  "Conflicts  of
Interest"  section  of the  Amended  Prospectus  contained  in the  Registration
Statement, which is incorporated herein by reference.

         Summarized  below are the  principal  transactions  that have  occurred
between the Partnership,  on one hand, and Swift, VJM and their  affiliates,  on
the other.

Certain Transactions with General Partners

         1.  As  described  in  Item  1,  "Business,"  above,  during  1990  the
Partnership  entered into an NP/OR  Agreement  with the  Operating  Partnership,
which is also managed by Swift and VJM.  Pursuant to such NP/OR  Agreement,  the
Operating Partnership acquired the oil and gas properties described under Item 2
above and conveyed nonoperating interests therein to the Partnership.

         2.  Swift  acts  as  operator  for  many  of the  wells  in  which  the
Partnership has  nonoperating  interests and has received  compensation for such
activities in accordance with standard industry operating agreements.

         3. The  Partnership  paid to Swift and VJM certain fees as contemplated
by the  Limited  Partnership  Agreement.  See Note  (4) in  Notes  To  Financial
Statements (Related-Party Transactions) for further discussion.

                                     III-2

<PAGE>

          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.

                                     PART IV
<TABLE>
<CAPTION>
Item 14. Exhibits, Financial Statement Schedules and Reports on Form 8-K

      a(1)     FINANCIAL STATEMENTS                                   PAGE NO.
                                                                      --------
               <S>                                                      <C>
               Report of Independent Public Accountants                 IV-3

               Statement of Net Assets in Process of Liquidation
                  as of December 31, 1997                               IV-4

               Balance Sheet as of December 31, 1996                    IV-5

               Statement of Changes in Net Assets in Process of 
                  Liquidation for the period from December 1, 1997
                  to December 31, 1997                                  IV-6

               Statements of Operations for the period from
                  January 1, 1997 to November 30, 1997 and for
                  the years ended December 31, 1996 and 1995            IV-7

               Statements of Partners' Capital for the period from
                  January 1, 1997 to November 30, 1997 and for the
                  years ended December 31, 1996 and 1995                IV-8

               Statements of Cash Flows for the period from 
                  January 1, 1997 to November 30, 1997 and for
                  the years ended December 31, 1996 and 1995            IV-9

               Notes to Financial Statements                            IV-10
</TABLE>

       a(2)    FINANCIAL STATEMENT SCHEDULES

               All schedules required by the SEC are either  inapplicable or the
               required information is included in the Financial Statements, the
               Notes thereto, or in other information included elsewhere in this
               report.

       a(3)    EXHIBITS

               3.1    Limited  Partnership  Agreement  of Swift  Energy  Managed
                      Pension Assets Partnership  1990-C,  Ltd., dated September
                      30,  1990.  (Form 10-K for year ended  December  31, 1990,
                      Exhibit 3.1).

               3.2    Certificate of Limited Partnership of Swift Energy Managed
                      Pension  Assets   Partnership   1990-C,   Ltd.,  as  filed
                      September  27,  1990,  with the Texas  Secretary of State.
                      (Form 10-K for year ended December 31, 1990, Exhibit 3.2).

               10.1   Net  Profits and  Overriding  Royalty  Interest  Agreement
                      between Swift Energy Managed  Pension  Assets  Partnership
                      1990-C Ltd. and Swift Energy Income  Partners  1990-C Ltd.
                      dated  September  30,  1990.  (Form  10-K for  year  ended
                      December 31, 1990, Exhibit 10.1).

               99.1   A copy of the following section of the Amended  Prospectus
                      dated  November  13,  1987,  contained  in  Post-Effective
                      Amendment No. 1 to Registration  Statement No. 33-15998 on
                      Form S-1 for Swift Energy  Managed  Pension Assets Fund I,
                      as filed on November 3, 1988, which have been incorporated
                      herein by reference:  "Proposed  Activities"  (pp 38 - 48)
                      and  "Conflicts of Interest" (pp. 70 - 79). (Form 10-K for
                      year ended December 31, 1990, Exhibit 28.1).

  b(1) REPORTS ON FORM 8-K

          No  reports  on Form 8-K have been  filed  during  the  quarter  ended
December 31, 1997.

                                      IV-1


<PAGE>


          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.


Supplemental  Information to be Furnished with Reports Filed Pursuant to Section
15(d) of the Act by Registrants Which Have Not Registered Securities Pursuant to
Section 12 of the Act.

         No annual report to security  holders covering the  Partnership's  1997
fiscal  year,  or proxy  statement,  form of proxy  or  other  proxy  soliciting
material has been sent to Limited Partners of the Partnership.


                                      IV-2


<PAGE>


                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS


To Swift Energy Managed Pension Assets Partnership 1990-C, Ltd.:

         We have audited the accompanying  balance sheet of Swift Energy Managed
Pension Assets  Partnership  1990-C,  Ltd., (a Texas limited  partnership) as of
December 31, 1996, the related  statements of operations,  partners' capital and
cash flows for the period  from  January 1, 1997 to  November  30,  1997 and the
statements of operations,  partners'  capital and cash flows for the years ended
December 31, 1996 and 1995.  In addition,  we have audited the  statement of net
assets in process of  liquidation  as of  December  31,  1997,  and the  related
statement of changes in net assets in process of liquidation for the period from
December  1, 1997 to December  31,  1997.  These  financial  statements  are the
responsibility of the Managing General Partner's management.  Our responsibility
is to express an opinion on these financial statements based on our audits.

         We conducted our audits in accordance with generally  accepted auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

         As  described  in  Note  1 to the  financial  statements,  the  limited
partners  of Swift  Energy  Managed  Pension  Assets  Partnership  1990-C,  Ltd.
approved a plan of liquidation on December 9, 1997 and the Partnership commenced
liquidation  shortly  thereafter.  As a result,  the Partnership has changed its
basis of  accounting  for periods  subsequent  to November  30,  1997,  from the
historical cost basis to the liquidation basis. Accordingly,  the carrying value
of the  remaining  assets as of December  31, 1997,  are  presented at estimated
realizable  values and all  liabilities  are  presented at estimated  settlement
amounts.

         In our opinion,  the  financial  statements  referred to above  present
fairly, in all material respects, the financial position of Swift Energy Managed
Pension  Assets  Partnership  1990-C,  Ltd.,  as of December 31,  1996,  and the
results of its operations and its cash flows for the period from January 1, 1997
to November 30, 1997 and for the years ended December 31, 1996 and 1995, its net
assets in process of liquidation as of December 31, 1997, and the changes in its
net assets in process of  liquidation  for the period  from  December 1, 1997 to
December 31, 1997, in conformity with generally accepted  accounting  principles
applied on the bases described in the preceding paragraph.

         As discussed in Note 1 to the financial statements, it is not presently
determinable  whether  the  amounts  realizable  from  the  disposition  of  the
remaining  assets or the amounts that creditors agree to accept in settlement of
the  obligations  due them will differ  materially from the amounts shown in the
accompanying financial statements.  The accompanying financial statements do not
include any adjustments that might result from the outcome of this uncertainty.



                                     ARTHUR ANDERSEN LLP




Houston, Texas
February 10, 1997


                                      IV-3


<PAGE>


                          SWIFT ENERGY MANAGED PENSION
                         ASSETS PARTNERSHIP 1990-C, LTD.
      STATEMENT OF NET ASSETS IN PROCESS OF LIQUIDATION - DECEMBER 31, 1997


<TABLE>
<CAPTION>
                                                                                             1997
                                                                                       ---------------
         <S>                                                                           <C>           
         ASSETS:

              Cash and cash equivalents                                                $      284,197
              Nonoperating interests income receivable                                        105,007
              Nonoperating interest in oil and gas properties                                 583,996
                                                                                       ---------------
                  Total Assets                                                                973,200
                                                                                       ---------------


         LIABILITIES:

              Accounts Payable                                                                  2,155
                                                                                       ---------------
                  Total Liabilities                                                             2,155
                                                                                       ---------------
              Net Assets in Process of Liquidation                                     $      971,045
                                                                                       ===============
</TABLE>


                 See accompanying notes to financial statements.

                                      IV-4


<PAGE>


                          SWIFT ENERGY MANAGED PENSION
                         ASSETS PARTNERSHIP 1990-C, LTD.
                                 BALANCE SHEET
                               DECEMBER 31, 1996



<TABLE>
<CAPTION>
                                                                                            1996
                                                                                      ----------------
         <S>                                                                           <C>           
         ASSETS:

         Current Assets:
              Cash and cash equivalents                                                $       41,471
              Nonoperating interests income receivable                                         46,590
                                                                                      ----------------
                  Total Current Assets                                                         88,061
                                                                                      ----------------

         Nonoperating interest in oil and gas
              properties, using full cost accounting                                        3,521,496
         Less-Accumulated amortization                                                     (2,887,376)
                                                                                      ----------------
                                                                                              634,120
                                                                                      ----------------
                                                                                       $      722,181
                                                                                      ================


         LIABILITIES AND PARTNERS' CAPITAL:

         Current Liabilities:
              Accounts Payable                                                         $       10,552
                                                                                      ----------------

         Limited Partners' Capital (36,546.22 Limited Partnership Units;
                                    $100 per unit)                                            676,316
         General Partners' Capital                                                             35,313
                                                                                      ----------------
                  Total Partners' Capital                                                     711,629
                                                                                      ----------------
                                                                                       $      722,181
                                                                                      ================
</TABLE>


                 See accompanying notes to financial statements.

                                      IV-5


<PAGE>


                          SWIFT ENERGY MANAGED PENSION
                         ASSETS PARTNERSHIP 1990-C, LTD.
          STATEMENT OF CHANGES IN NET ASSETS IN PROCESS OF LIQUIDATION
            FOR THE PERIOD FROM DECEMBER 1, 1997 TO DECEMBER 31, 1997



<TABLE>
         <S>                                                                           <C>            
         LIQUIDATION TRANSACTIONS:
              Increase (decrease) in net assets resulting from -
                Sales of oil and gas properties                                        $      (65,093)
                Net changes in other assets and liabilities                                  (164,805)
                                                                                       ---------------
                                                                                             (229,898)
                                                                                       ---------------

         OPERATIONS:

              Income from nonoperting interest                                         $        9,612
              General and administrative costs                                                  7,329
                                                                                       ---------------
                                                                                               16,941
                                                                                       ---------------

         FINANCING:

              Interest income                                                                      --
              Interest expense                                                                     --
                                                                                       ---------------

              Change in Net Assets                                                           (212,957)

              Net Assets in Process of Liquidation at December 1, 1997                      1,184,002
                                                                                       ---------------
              Net Assets in Process of Liquidation at December 31, 1997                $      971,045
                                                                                       ===============
</TABLE>


                 See accompanying notes to financial statements.

                                      IV-6

<PAGE>


                          SWIFT ENERGY MANAGED PENSION
                         ASSETS PARTNERSHIP 1990-C, LTD.
                            STATEMENTS OF OPERATIONS
        FOR THE PERIOD FROM JANUARY 1, 1997 THROUGH NOVEMBER 30, 1997 AND
                 FOR THE YEARS ENDED DECEMBER 31, 1996 AND 1995



<TABLE>
<CAPTION>
                                                                 Eleven Months       Year              Year
                                                                    Ended            Ended             Ended
                                                                  November 30,    December 31,      December 31,
                                                                    1997             1996               1995
                                                                ---------------  ---------------   ---------------
<S>                                                             <C>              <C>               <C>            
REVENUES:
   Income from nonoperating interests                           $       148,534  $       250,607   $       169,296
   Interest income                                                        2,307               77                82
                                                                ---------------  ---------------   ---------------
                                                                        150,841          250,684           169,378
                                                                ---------------  ---------------   ---------------

COSTS AND EXPENSES:
   Amortization -
      Normal provision                                                   76,685          143,895           141,307
      Additional provision                                                   --               --           248,067
   General and administrative                                            47,442           62,671            44,659
                                                                ---------------  ---------------   ---------------
                                                                        124,127          206,566           434,033
                                                                ---------------  ---------------   ---------------
Income (Loss) Before Adoption
   Of Liquidation Basis Of Acccounting                          $        26,714  $        44,118   $      (264,655)
                                                                ---------------  ---------------   ---------------

Effect Of Adoption Of Liquidation
   Basis Of Accounting                                                  550,025               --                --
                                                                ---------------  ---------------   ---------------

Income (Loss)                                                   $       576,739  $        44,118   $      (264,655)
                                                                ===============  ===============   ===============
</TABLE>


                 See accompanying notes to financial statements.

                                      IV-7

<PAGE>


                          SWIFT ENERGY MANAGED PENSION
                         ASSETS PARTNERSHIP 1990-C, LTD.
                        STATEMENTS OF PARTNER'S CAPTIAL
          FOR THE PERIOD FROM JANUARY 1, 1997 THROUGH NOVEMER 30, 1997
               AND FOR THE YEARS ENDED DECEMBER 31, 1996 AND 1995

<TABLE>
<CAPTION>
                                                  Limited          General          Combining
                                                  Partners         Partners         Adjustment            Total
                                              ---------------   ---------------  ---------------    ---------------
<S>                                           <C>               <C>              <C>                 <C>           
Balance,
    December 31, 1994                         $       943,848   $        45,329  $       114,007     $    1,103,184

Income (Loss)                                        (238,443)           10,852          (37,064)          (264,655)

Cash Distributions                                    (46,600)          (14,151)              --            (60,751)
                                              ---------------   ---------------  ---------------    ---------------
Balance,
    December 31, 1995                                 658,805            42,030           76,943            777,778
                                              ---------------   ---------------  ---------------    ---------------

Income (Loss)                                          42,876            13,550          (12,308)            44,118

Cash Distributions                                    (90,000)          (20,267)              --           (110,267)
                                              ---------------   ---------------  ---------------    ---------------
Balance,
    December 31, 1996                                 611,681            35,313           64,635            711,629
                                              ---------------   ---------------  ---------------    ---------------

Income (Loss)                                         523,414            61,377           (8,052)           576,739

Cash Distributions                                    (86,700)          (17,666)              --           (104,366)
                                              ---------------   ---------------  ---------------    ---------------
Balance,
    November 30, 1997                         $     1,048,395   $        79,024  $        56,583     $    1,184,002
                                              ===============   ===============  ===============    ===============

Limited Partners' net income (loss)
    per unit

      1995     Income (Loss)                  $         (6.52)
                                              ===============
      1996     Income (Loss)                  $          1.17
                                              ===============
      1997     Income (Loss) Before
                   Adoption of Liquidation
                   Basis of Accounting        $           .78
                                              ---------------
                   Effect of Adoption of
                   Liquidation Basis of
                   Accounting                 $         13.54
                                              ---------------
                   Income (Loss)              $         14.32
                                              ===============
</TABLE>


                 See accompanying notes to financial statements.

                                      IV-8

<PAGE>

                          SWIFT ENERGY MANAGED PENSION
                         ASSETS PARTNERSHIP 1990-C, LTD.
                            STATEMENTS OF CASH FLOWS
         FOR THE PERIOD FROM JANUARY 1, 1997 THROUGH NOVEMBER 30, 1997
               AND FOR THE YEARS ENDED DECEMBER 31, 1996 AND 1995


<TABLE>
<CAPTION>
                                                                                  Eleven Months        Year              Year
                                                                                      Ended            Ended             Ended
                                                                                  November 30,     December 31,      December 31,
                                                                                      1997             1996              1995
                                                                                  ------------     ------------      ------------
<S>                                                                          <C>               <C>              <C>             
CASH FLOWS FROM OPERATING ACTIVITIES:
    Income (Loss)                                                            $       576,739   $        44,118  $      (264,655)
    Adjustments to reconcile income (loss) to
      net cash provided by operations:
      Effect of adoption of liquidation basis of accounting                         (550,025)               --               --
      Amortization                                                                    76,685           143,895          389,374
      Change in assets and liabilities:
        (Increase) decrease in nonoperating interests income receivable             (216,755)           51,630           (7,729)
        Increase (decrease) in accounts payable                                       (8,397)         (342,768)         (26,192)
                                                                             ---------------   ---------------  ---------------
                  Net cash provided by (used in) operating activities               (121,753)         (103,125)          90,798
                                                                             ---------------   ---------------  ---------------
CASH FLOWS FROM INVESTING ACTIVITIES:
    Additions to nonoperating interests in oil and gas properties                         --           (55,304)         (30,476)
    Proceeds from sales on nonoperating interests in oil and gas properties          228,473           308,670              510
                                                                             ---------------   ---------------  ---------------
                  Net cash provided by (used in) investing activities                228,473           253,366          (29,966)
                                                                             ---------------   ---------------  ---------------
CASH FLOWS FROM FINANCING ACTIVITIES:
    Cash distributions to partners                                                  (104,366)         (110,267)         (60,751)
                                                                             ---------------   ---------------  ---------------
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS                                   2,354            39,974               81
                                                                             ---------------   ---------------  ---------------
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD                                      41,471             1,497            1,416
                                                                             ---------------   ---------------  ---------------
CASH AND CASH EQUIVALENTS AT END OF PERIOD                                   $        43,825   $        41,471  $         1,497
                                                                             ===============   ===============  ===============
</TABLE>


                 See accompanying notes to financial statements.

                                      IV-9

<PAGE>

          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.
                          NOTES TO FINANCIAL STATEMENTS


(1) Organization and Terms of Partnership Agreement -

         Swift Energy Managed Pension Assets Partnership  1990-C,  Ltd., a Texas
limited partnership ("the  Partnership"),  was formed on September 30, 1990, for
the purpose of purchasing net profits  interests,  overriding  royalty interests
and royalty interests (collectively,  "nonoperating interests") in producing oil
and gas properties  within the continental  United States.  Swift Energy Company
("Swift"),  a Texas  corporation,  and VJM  Corporation  ("VJM"),  a  California
corporation,  serve as Managing  General  Partner and Special General Partner of
the Partnership,  respectively.  The general partners are required to contribute
up to 1/99th of limited partner net contributions. The 425 limited partners made
total capital contributions of $3,654,622.

         The limited partners of the Partnership approved the dissolution of the
Partnership on December 9, 1997. As a result,  the  Partnership  has changed its
basis of accounting,  effective December 1, 1997, from the historical cost basis
to the  liquidation  basis.  Under  the  liquidation  basis of  accounting,  the
Partnership's  assets  at  December  31,  1997 are  reported  at  estimated  net
realizable value, and the  Partnership's  liabilities are presented at estimated
settlement  amounts.  The net  effect of the  revaluation  of the  Partnership's
assets  and  liabilities  due  to  the  adoption  of the  liquidation  basis  of
accounting was an upward adjustment of $550,025.

         Oil and gas  properties  at  December  31, 1997  reflect  the  Managing
General Partner's estimate of value, in the absence of third party appraisals or
evaluations, based on future net revenues of the properties,  discounted at 10%,
as of December 31, 1997.  This estimate is based on its assessment of the impact
of selling  existing  assets based on current  market  conditions  and estimated
disposal  costs.  The net proceeds from the sales of oil and gas  properties may
vary substantially due to changes in oil and gas prices,  subsequent  production
and other factors which may be applied by buyers.

         For all other assets and liabilities presented on the liquidation basis
of  accounting,  the Managing  General  Partner  believes that  historical  cost
approximates  fair  value  due to the  short-term  nature  of  such  assets  and
liabilities.

         The accompanying  statements of operations,  partners' capital and cash
flows for the  period  from  January  1, 1997  through  November  30,  1997 were
prepared using the historical cost basis of accounting.

(2) Significant Accounting Policies -

Use of Estimates --

         The  preparation of financial  statements in conformity  with generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that affect the reported  amounts of assets and  liabilities at the
date of the  financial  statements  and the  reported  amounts of  revenues  and
expenses  during  the  reporting  period.   Actual  results  could  differ  from
estimates.

Nonoperating Interests in Oil and Gas Properties --

         The  Partnership  accounts  for its  ownership  interest in oil and gas
properties   using  the   proportionate   consolidation   method,   whereby  the
Partnership's share of assets, liabilities, revenues and expenses is included in
the appropriate classification in the financial statements.

         For  financial   reporting   purposes,   the  Partnership  follows  the
"full-cost"  method of  accounting  for  nonoperating  interests  in oil and gas
properties.  Under  this  method  of  accounting,  all  costs  incurred  in  the
acquisition of nonoperating interests in oil and gas properties are capitalized.
The  unamortized  cost of  nonoperating  interests in oil and gas  properties is
limited to the "ceiling limitation", (calculated separately for the Partnership,
limited partners, and general partners).  The "ceiling limitation" is calculated
on a quarterly  basis and  represents  the  estimated  future net revenues  from
nonoperating interests in proved properties using current prices,  discounted at
ten percent.  Proceeds from the sale or disposition of nonoperating interests in
oil  and  gas  properties  are  treated  as a  reduction  of  the  cost  of  the
nonoperating  interests with no gains or losses recognized except in significant
transactions.

                                      IV-10

<PAGE>

          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.
                    NOTES TO FINANCIAL STATEMENTS (CONTINUED)


         The Partnership computes the provision for amortization of nonoperating
interests in oil and gas  properties on the  units-of-production  method.  Under
this method,  the provision is calculated by multiplying  the total  unamortized
cost of  nonoperating  interests  in oil and gas  properties  by an overall rate
determined  by dividing  the physical  units of oil and gas produced  during the
period by the total estimated units of proved oil and gas reserves  attributable
to the Partnership's nonoperating interests at the beginning of the period.

         The  calculation  of the "ceiling  limitation"  and the  provision  for
amortization  is based on  estimates  of proved  reserves.  There  are  numerous
uncertainties  inherent  in  estimating  quantities  of proved  reserves  and in
projecting the future rates of production,  timing and plan of development.  The
accuracy of any reserve  estimate is a function of the quality of available data
and of  engineering  and  geological  interpretation  and  judgment.  Results of
drilling,  testing and  production  subsequent  to the date of the  estimate may
justify  revision of such  estimate.  Accordingly,  reserve  estimates are often
different from the quantities of oil and gas that are ultimately recovered.

Cash and Cash Equivalents --

         Highly liquid debt instruments with an initial maturity of three months
or less are considered to be cash equivalents.

Reclassifications --

         Certain  reclassifications have been made to the prior year balances to
conform with the current year presentation.

(3) Acquisition of Nonoperating Interests in Oil and Gas Property Costs -

         Effective  September  30,  1990,  the  Partnership  entered  into a Net
Profits and Overriding Royalty Interests Agreement "NP/OR Agreement") with Swift
Energy Income Partners 1990-C, Ltd. ("Operating Partnership"), managed by Swift,
for the purpose of  acquiring  interests in  producing  oil and gas  properties.
Under the terms of the NP/OR  Agreement,  the  Partnership  has been  conveyed a
nonoperating  interest in the aggregate net profits (i.e., oil and gas sales net
of  related   operating   costs)  of  the  properties   acquired  equal  to  its
proportionate  share of the property  acquisition  costs,  as defined.  Property
acquisition costs are amounts actually paid by the Operating Partnership for the
properties  plus costs  incurred by the Operating  Partnership  in acquiring the
properties  and costs  related to screening and  evaluation  of  properties  not
acquired. In 1996 and 1995, the Partnership acquired  nonoperating  interests in
producing oil and gas properties for $55,304 and $30,476, respectively.

         During 1995, the  Partnership's  unamortized oil and gas property costs
exceeded the quarterly  calculations of the "ceiling limitation" resulting in an
additional  provision for  amortization  of $248,067.  In addition,  the limited
partners'  share  of  unamortized  oil and gas  property  costs  exceeded  their
"ceiling  limitation" in 1995,  resulting in a valuation  allowance of $219,757.
This  amount is  included  in the  income  (loss)  attributable  to the  limited
partners shown in the statement of partners'  capital together with a "combining
adjustment" for the difference between the limited partners' valuation allowance
and the Partnership's  full cost ceiling write down. The "combining  adjustment"
changes quarterly as the Partnership's  total amortization  provision is more or
less than the combined  amortization  provision  attributable to the general and
limited partners.

(4) Related-Party Transactions -

         An  affiliate  of the  Special  General  Partner,  as  Dealer  Manager,
received $91,366 for managing and overseeing the offering of limited partnership
units.

         A  one-time  management  fee of  $91,366  was paid to Swift in 1990 for
services  performed  for the  Partnership.  During  1997,  1996  and  1995,  the
Partnership paid Swift $17,810, $46,946 and $29,066,  respectively, as a general
and administrative overhead allowance.

                                      IV-11

<PAGE>


          SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD.
                    NOTES TO FINANCIAL STATEMENTS (CONTINUED)


(5) Federal Income Taxes -

         The Partnership is not a tax-paying entity. No provision is made in the
accounts of the Partnership for federal or state income taxes,  since such taxes
are liabilities of the individual partners,  and the amounts thereof depend upon
their respective tax situations.

         The tax returns and the amount of distributable  Partnership income are
subject to  examination  by the federal  and state  taxing  authorities.  If the
Partnership's  royalty  income for federal  income tax  purposes  is  ultimately
changed by the taxing  authorities,  the tax  liability of the limited  partners
could be changed  accordingly.  Royalty  income  reported  on the  Partnership's
federal  return of income for the years ended  December 31, 1997,  1996 and 1995
was  $(104,067),  $309,574 and $115,520,  respectively.  The difference  between
royalty income for federal income tax purposes  reported by the  Partnership and
income or loss from  nonoperating  interests  reported herein primarily  results
from the exclusion of  amortization  (as described  below) from ordinary  income
reported in the Partnership's federal return of income.

         For  federal  income  tax  purposes,   amortization   with  respect  to
nonoperating  interests in oil and gas properties is computed  separately by the
partners  and not by the  Partnership.  Since  the  amount  of  amortization  on
nonoperating  interests in oil and gas is not computed at the Partnership level,
amortization is not included in the Partnership's  income for federal income tax
purposes but is charged directly to the partners' capital accounts to the extent
of the cost of the nonoperating interests in oil and gas properties, and thus is
treated as a separate  item on the  partners'  Schedule  K-1.  Amortization  for
federal income tax purposes may vary from that computed for financial  reporting
purposes in cases where a ceiling adjustment is recorded,  as such amount is not
recognized for tax purposes.

(6) Vulnerability Due to Certain Concentrations -

         The Partnership's revenues are primarily the result of sales of its oil
and natural gas  production.  Market prices of oil and natural gas may fluctuate
and adversely affect operating results.

         In the normal  course of  business,  the  Partnership  extends  credit,
primarily  in the form of  monthly  oil and gas sales  receivables,  to  various
companies in the oil and gas industry which results in a concentration of credit
risk. This  concentration  of credit risk may be affected by changes in economic
or other conditions and may accordingly impact the Partnership's  overall credit
risk. However,  the Managing General Partner believes that the risk is mitigated
by the size,  reputation,  and nature of the companies to which the  Partnership
extends  credit.  In  addition,  the  Partnership  generally  does  not  require
collateral or other security to support customer receivables.

(7) Fair Value of Financial Instruments -

         The  Partnership's  financial  instruments  consist  of cash  and  cash
equivalents  and  short-term  receivables  and  payables.  The carrying  amounts
approximate  fair  value  due to the  highly  liquid  nature  of the  short-term
instruments.


                                     IV-12


<PAGE>


           SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD

                                   SIGNATURES



Pursuant to the  requirements of Section 13 or 15(d) of the Securities  Exchange
Act of 1934,  the  Registrant  has duly  caused  this report to be signed on its
behalf by the undersigned thereunto duly authorized.


                                             SWIFT ENERGY MANAGED PENSION
                                             ASSETS PARTNERSHIP 1990-C
                                             (Registrant)

                                    By:      SWIFT ENERGY COMPANY
                                              General Partner

Date:      February 10, 1998                 By:      s/b A. Earl Swift
           -----------------                 -----------------------------------
                                             A. Earl Swift
                                             Chief Executive Officer

Date:      February 10, 1998                 By:      s/b John R. Alden
           -----------------                 -----------------------------------
                                             John R. Alden
                                             Principal Financial Officer

Date:      February 10, 1998                 By:      s/b Alton D. Heckaman, Jr.
           -----------------                 -----------------------------------
                                             Alton D. Heckaman, Jr.
                                             Principal Accounting Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following  persons on behalf of the  Registrant and
in the capacities and on the dates indicated.

                                             SWIFT ENERGY MANAGED PENSION
                                             ASSETS PARTNERSHIP 1990-C
                                             (Registrant)

                                    By:      SWIFT ENERGY COMPANY
                                              General Partner

Date:      February 10, 1998                 By:      s/b A. Earl Swift
           -----------------                 -----------------------------------
                                             A. Earl Swift
                                             Director and Principal
                                             Executive Officer

Date:      February 10, 1998                 By:      s/b Virgil N. Swift
           -----------------                 -----------------------------------
                                             Virgil N. Swift
                                             Director and Executive
                                             Vice President - Business
                                             Development


                                      IV-13


<PAGE>


           SWIFT ENERGY MANAGED PENSION ASSETS PARTNERSHIP 1990-C, LTD


Date:      February 10, 1998                 By:      s/b G. Robert Evans
           -----------------                 -----------------------------------
                                             G. Robert Evans
                                             Director

Date:      February 10, 1998                 By:      s/b Raymond O. Loen
           -----------------                 -----------------------------------
                                             Raymond O. Loen
                                             Director

Date:      February 10, 1998                 By:      s/b Henry C. Montgomery
           -----------------                 -----------------------------------
                                             Henry C. Montgomery
                                             Director

Date:      February 10, 1998                 By:      s/b Clyde W. Smith, Jr.
           -----------------                 -----------------------------------
                                             Clyde W. Smith, Jr.
                                             Director

Date:      February 10, 1998                 By:      s/b Harold J. Withrow
           -----------------                 -----------------------------------
                                             Harold J. Withrow
                                             Director


                                      IV-14



<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
Swift Energy Managed Pension Assets Partners 1990-C, Ltd., was in the process of
liquidation as of December 31, 1997 and as such is governed by liquidation basis
accounting.  This schedule contains summary financial information extracted from
Swift Energy Managed Pension Assets  Partners  1990-C,  Ltd.'s  Statement of Net
Assets in  Process  of  Liquidation  and  Statement  of Changes in Net Assets in
Process of Liquidation in its Form 10-K for the year ended December 31, 1997 and
is qualified in its entirety by reference to such financial statements.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                              DEC-31-1997
<PERIOD-END>                                   DEC-31-1997
<CASH>                                         284,197
<SECURITIES>                                   0
<RECEIVABLES>                                  105,007
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                               389,204
<PP&E>                                         583,996
<DEPRECIATION>                                 0
<TOTAL-ASSETS>                                 973,200
<CURRENT-LIABILITIES>                          2,155
<BONDS>                                        0
                          0
                                    0
<COMMON>                                       0
<OTHER-SE>                                     0
<TOTAL-LIABILITY-AND-EQUITY>                   2,155
<SALES>                                        9,612
<TOTAL-REVENUES>                               9,612
<CGS>                                          0
<TOTAL-COSTS>                                  0<F1>
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                                0
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                            0
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   0
<EPS-PRIMARY>                                  0
<EPS-DILUTED>                                  0
<FN>
<F1>Includes lease operating expenses and production taxes. Excludes general and
administrative and interest expense.
</FN>
        

</TABLE>


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