EXHIBIT I (REVISED)
<TABLE>
<CAPTION>
CLOSE
DATE PURCHASER PURCHASE PRICE SELLER NAME ASSET DESCRIPTION ASSET LOCATION
---- ---------------------------------------- ----------------- ----------- ----------------- --------------
<S> <C> <C> <C> <C> <C>
10/15/99 Whiting Petroleum Corporation 1,890,261 Force Energy Inc. Gas Wells Michigan
11/15/99 Whiting Petroleum Corporation 16,057,312 Collins and Ware Inc. Oil Wells North Dakota
12/07/99 Whiting Petroleum Corporation 236,549 Delta Oil Company Gas Wells Michigan
12/31/99 Whiting Petroleum Corporation 425,000 BWAB Incorporated Oil Wells North Dakota
01/04/00 Whiting Petroleum Corporation 6,603,763 Williams Corporation Oil Wells North Dakota
01/11/00 Whiting Petroleum Corporation 4,219,370 Delta Oil Company Gas Wells Michigan
01/27/00 Whiting Petroleum Corporation 392,500 Force Energy Inc. Gas Wells Michigan
02/10/00 Whiting Petroleum Corporation 285,819 Cheaspeake Energy Corp Oil Wells North Dakota
02/17/00 Whiting Petroleum Corporation 38,000 Phillips Petroleum Company Oil Wells Texas
03/20/00 Whiting Petroleum Corporation 17,512,875 Duncan Oil Partners Oil Wells North Dakota
03/30/00 Whiting Petroleum Corporation 7,307,578 Petromark Energy L.L.C Gas Wells Oklahoma
04/12/00 Whiting Petroleum Corporation 4,362,010 Soverign Energy L.L.C. Oil Wells Colorado
04/15/00 Whiting Petroleum Corporation 18,500 Edge Petroleum Company Oil Wells Texas
04/19/00 Whiting Petroleum Corporation 3,236,872 KO-OP XVI RTD Oil Wells North Dakota
06/15/00 Whiting Petroleum Corporation 31,418,000 Shell SWEP L.P. Gas Wells Michigan
06/28/00 Whiting Petroleum Corporation 4,102 Guenter Reif Gas Wells Texas
08/03/00 Whiting Petroleum Corporation 884,224 KWB Oil Wells Colorado
08/15/00 Whiting Petroleum Corporation 4,819,427 Burlington Resources Oil Wells North Dakota
07/06/00 Whiting Petroleum Corporation 11,060 Trinity Energy Gas Wells Colorado
08/30/00 Whiting Petroleum Corporation 1,992,310 Delta Oil VII Gas Wells Michigan
09/12/00 Whiting Petroleum Corporation 87,205 Silver Canyon Oil Wells Oklahoma
09/12/00 Whiting Petroleum Corporation 104,318 WADI Gas Wells Gulf of Mexico
10/20/00 Whiting Petroleum Corporation 550,000 TransGlobe Oil Wells Montana
01/03/00 Alliant Energy Industrial Services, Inc. 4,072,555 COGS Energy Co., L.P. NG Pipeline Texas
10/20/00 Alliant Energy Industrial Services, Inc. 870,000 Samedan Oil Corporation NG Pipeline Lousiana
-----------------
107,399,610
=================
Various Whiting Petroleum Corporation 17,531,165 Drilling, Acq. Of Leaseholds, Seismic and Other
-----------------
-----------------
TOTAL 124,930,775
=================
</TABLE>
