OPERATORS · TEXAS · P-5 NUMBER 748194

Santos USA Corp.

92 FILINGS · 72 PERMITS · PAGE 2 OF 2 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Jan 28, 2002517159DrillDe WittOelrich, Zelda #114,500Spudded12331919—
Jan 28, 2002517159AmendmentDrillDe WittOelrich, Zelda #114,500Plugged dry hole (P&A)12331919—
Jan 24, 2002517037AmendmentDrillLive OakPerkins, Crocker #214,500Spudded29734457Now Magnum Producing LP
Oct 30, 2001514036DrillBrazoriaPoole #114,000Unperforated completion03932753Acquired from Esenjay Exploration, Inc
Oct 25, 2001552734DrillMatagordaSelkirk Island GU #116,500Plugged dry hole (P&A)32132032—
Jul 17, 2001511541DrillDuvalSerna, Donato "A" #29,500Final completion13138518Now Vaquero Operating
Jun 19, 2001510484DrillDuvalSerna, Donato #19,500—13138514—
Jun 19, 2001510484AmendmentDrillDuvalSerna, Donato #19,500Plugged dry hole (P&A)13138514—
Jun 12, 2001510201DrillDuvalGeoghegan, Dennis #19,500—13138513Now Diamond G Production
Jun 12, 2001510201AmendmentDrillDuvalGeoghegan, Dennis #19,500Final completion13138513Now Diamond G Production
May 29, 2001509611DrillDuvalGarcia-Perez #19,500—13138510Now BZG E&P LLC
May 29, 2001509611AmendmentDrillDuvalGarcia-Perez #19,500Final completion13138510Now BZG E&P LLC
Apr 24, 2001508126DrillDe WittWhitfield #112,500—12331908Acquired from Esenjay Exploration, Inc
Apr 24, 2001508126AmendmentDrillDe WittWhitfield #112,500Final completion12331908Acquired from Esenjay Exploration, Inc
Apr 2, 2001507204DrillGoliadHamman & Anderson Gas Unit No. 2 #314,500Final completion17533337Acquired from Esenjay Exploration, Inc
Sep 26, 2000499770DrillGoliadPereira Children's Trust #216,000Final completion17533286Acquired from Esenjay Exploration, Inc
Sep 14, 2000499588DrillKarnesWood et Al #114,000Unperforated completion25531422Acquired from Esenjay Exploration, Inc
May 23, 2000495330DrillVictoriaHolzheauser/Dincans Gas Unit #26,000Spudded46933484Acquired from Esenjay Exploration, Inc
May 23, 2000495330AmendmentDrillVictoriaHolzheauser/Dincans Gas Unit #26,000Final completion46933484Acquired from Esenjay Exploration, Inc
May 15, 2000495080DrillDuvalMew #19,500Final completion13138402Now Diamond G Production
Mar 14, 2000493048RecompletionKarnesScott Hall Gas Unit #213,200—25531408Acquired from Esenjay Exploration, Inc
Feb 14, 2000492001DrillLive OakRiser Family #414,000Spudded29734387Acquired from Esenjay Exploration, Inc
Feb 14, 2000492001AmendmentDrillLive OakRiser Family #414,000Final completion29734387Acquired from Esenjay Exploration, Inc
Dec 10, 1999490194DrillLive OakRiser Family #313,500—29734374Acquired from Esenjay Exploration, Inc
Dec 10, 1999490194AmendmentDrillLive OakRiser Family #314,000—29734374Acquired from Esenjay Exploration, Inc
Dec 10, 1999490194AmendmentDrillLive OakRiser Family #315,000Spudded29734374Acquired from Esenjay Exploration, Inc
Dec 10, 1999490194AmendmentDrillLive OakRiser Family Gas Unit #315,000Final completion29734374Acquired from Esenjay Exploration, Inc
Dec 10, 1999490193DrillLive OakRiser Family #213,500Unperforated completion29734373Acquired from Esenjay Exploration, Inc
Oct 12, 1999488430DrillLive OakCrocker-Perkins #113,500Final completion29734370Acquired from Esenjay Exploration, Inc
Sep 16, 1999487394DrillDuvalGarcia, A. #18,900Plugged dry hole (P&A)13138344—
Aug 30, 1999487121DrillKarnesScott Hall Gas Unit #213,200Final completion25531408Acquired from Esenjay Exploration, Inc
Aug 13, 1998478707RecompletionColoradoWalker, Virginia A. #19,616—08931775—
Aug 5, 1998478518DrillLive OakRiser #114,000Side one multi completion29734336Acquired from Esenjay Petroleum Corp.
Jun 24, 1998477404RecompletionColoradoCarey #19,500Final completion08931887Now Lone Oak Energy Inc
Apr 3, 1998474994DrillGoliadPereira #19,000Unperforated completion17533081Acquired from Esenjay Petroleum Corp.
Sep 4, 1996452251RecompletionLavacaBaum, G. K. #110,702Final completion28532233Now Lone Oak Energy Inc
Oct 18, 1995441004DrillColoradoCarey Unit #310,650Final completion08931951Now Lone Oak Energy Inc
May 14, 1992399017RecompletionColoradoWalker, Virginia A. #18,485Final completion08931775Acquired from Caskids Operating Company
Jun 8, 1990374124RecompletionColoradoWalker, Virginia A. #110,000Final completion08931775Acquired from Big "6" Drilling Company
Sep 19, 1989364055DrillColoradoWalker, Virginia A. #110,000Final completion08931775Acquired from Big "6" Drilling Company
Jul 18, 1988348875DrillDe WittWilder, H. M. et Al. #112,500—12331579Acquired from Weeks Exploration Company
Jul 18, 1988348875AmendmentDrillDe WittWilder, H. M. et Al. #112,500Final completion12331579Acquired from Weeks Exploration Company