OIL & GAS FIELD EXPLORATION SERVICES

Latest SC 13G/A SEC Filings
Statement of acquisition of beneficial ownership by individuals: [Amend]

DAWSON GEOPHYSICAL CO, SC 13G/A, 2001-01-10
VERITAS DGC INC, SC 13G/A, 2001-01-10
HOME STAKE OIL & GAS CO, SC 13G/A, 2000-12-12
HURRICANE HYDROCARBONS LTD, SC 13G/A, 2000-11-06
VERITAS DGC INC, SC 13G/A, 2000-10-23
AMG OIL LTD, SC 13G/A, 2000-08-29
SEVEN SEAS PETROLEUM INC, SC 13G/A, 2000-07-06
VERITAS DGC INC, SC 13G/A, 2000-03-30
PETROLEUM GEO SERVICES ASA, SC 13G/A, 2000-02-16
HURRICANE HYDROCARBONS LTD, SC 13G/A, 2000-02-14
DAWSON GEOPHYSICAL CO, SC 13G/A, 2000-02-14
DAWSON GEOPHYSICAL CO, SC 13G/A, 2000-02-11
VERITAS DGC INC, SC 13G/A, 2000-02-11
VERITAS DGC INC, SC 13G/A, 2000-01-31
VERITAS DGC INC, SC 13G/A, 2000-01-06
VERITAS DGC INC, SC 13G/A, 1999-03-10
SEVEN SEAS PETROLEUM INC, SC 13G/A, 1999-02-23
SEVEN SEAS PETROLEUM INC, SC 13G/A, 1999-02-18
FX ENERGY INC, SC 13G/A, 1999-02-17
FX ENERGY INC, SC 13G/A, 1999-02-16
SEVEN SEAS PETROLEUM INC, SC 13G/A, 1999-02-12
VERITAS DGC INC, SC 13G/A, 1999-02-12
DAWSON GEOPHYSICAL CO, SC 13G/A, 1999-02-09
OMNI ENERGY SERVICES CORP, SC 13G/A, 1999-02-08
DAWSON GEOPHYSICAL CO, SC 13G/A, 1998-10-13
DAWSON GEOPHYSICAL CO, SC 13G/A, 1998-09-10
VENTURE SEISMIC LTD, SC 13G/A, 1998-08-06
HOME STAKE OIL & GAS CO, SC 13G/A, 1998-04-24
VERITAS DGC INC, SC 13G/A, 1998-02-17
HOME STAKE ROYALTY CORP /OK/, SC 13G/A, 1998-02-11
DAWSON GEOPHYSICAL CO, SC 13G/A, 1998-02-11
VERITAS DGC INC, SC 13G/A, 1998-02-11
DAWSON GEOPHYSICAL CO, SC 13G/A, 1998-02-10
HOUSTON EXPLORATION CO, SC 13G/A, 1998-02-06
FX ENERGY INC, SC 13G/A, 1997-02-20
FX ENERGY INC, SC 13G/A, 1997-02-19
FX ENERGY INC, SC 13G/A, 1997-02-14
DAWSON GEOPHYSICAL CO, SC 13G/A, 1997-02-14
VERITAS DGC INC, SC 13G/A, 1997-02-14
VERITAS DGC INC, SC 13G/A, 1997-02-04
UNIVERSAL SEISMIC ASSOCIATES INC, SC 13G/A, 1996-09-10
DIGICON INC, SC 13G/A, 1996-02-20
SEITEL INC, SC 13G/A, 1996-02-14
DIGICON INC, SC 13G/A, 1996-02-13
DAWSON GEOPHYSICAL CO, SC 13G/A, 1996-02-07
DIGICON INC, SC 13G/A, 1996-02-07
DIGICON INC, SC 13G/A, 1995-01-24


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