OPERATORS · TEXAS · P-5 NUMBER 871137

Tri-Union Development Corp.

23 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Jan 13, 2003527044DrillChambersWhaley, Bessie #211,600Final completion07132242Now Wagner Oil Company
Dec 9, 2002525604DrillLavacaMelnar, Fred #414,000—28533225Now Capital Star Oil & Gas Inc.
Jan 23, 2002517045DrillGrimesChampion #1HH20,000Final completion18530665Now Akg Operating Company
Sep 24, 2001513876DrillJeffersonDoyle #314,875—24532303—
Mar 29, 2000493480DrillGoliadSchorlemmer #38,300—17533236—
Jan 15, 1999482055DrillGoliadHeinrich Heirs #113,500Spudded17533135Acquired from Tri-C Resources, Inc.
Jan 15, 1999482055DrillGoliadHeinrich Heirs #113,800Final completion17533135—
May 4, 1998472877DrillGoliadSchorlemmer #211,400Final completion17533062Now Linc Gulf Coast Petroleum Inc.
Dec 30, 1997471733DrillGoliadSchorlemmer #111,700Spudded17533053Acquired from Kebo Oil & Gas, Inc.
Dec 30, 1997471733DrillGoliadSchorlemmer #111,700Final completion17533053Acquired from Kebo Oil & Gas, Inc.
Mar 19, 1997460057DrillGoliadDanklefs #18,500Final completion17532970Acquired from Teco Oil & Gas, Inc. -
Feb 17, 1993409096DrillDuvalReady #115,000Final completion13137678Acquired from Dantex Oil & Gas, Inc.
Feb 17, 1993409096DrillDuvalReady #115,500Spudded13137678Acquired from Dantex Oil & Gas, Inc.
Nov 21, 1990381375DrillBrazoriaMoeller, W. A. #17,100Final completion03932414Acquired from Texas Meridian Operating Co.,inc
May 1, 1985274102DrillMatgrda IS-LBState Tract 563-L #58,500Final completion70330333Acquired from Conquest Exploration Company
Nov 7, 1984257471DrillMatgrda IS-LBState Tract 563-L #59,300—70330333Acquired from Conquest Exploration Company
Oct 22, 1984255099DrillMatgrda IS-LBState Tract 562-L #27,500Final completion70330331Acquired from Conquest Exploration Company
Aug 23, 1984249208DrillMatgrda IS-LBState Tract 563-L #48,600Final completion70330328Acquired from Conquest Exploration Company
Jun 25, 1984242916DrillMatgrda IS-LBState Tract 563-L #36,000Final completion70330325Acquired from Conquest Exploration Company
May 25, 1984240213DrillMatgrda IS-LBState Tract 563-L #29,500Final completion70330321Acquired from Conquest Exploration Company
May 25, 1984240213DrillMatgrda IS-LBState Tract 563-L #28,800—70330321Acquired from Conquest Exploration Company
Apr 23, 1984236343DrillMatgrda IS-LBState Tract 562-L #18,900Final completion70330320Acquired from Conquest Exploration Company
Oct 18, 1983217452DrillMatgrda IS-LBState Tract 563-L #18,000Final completion70330310Acquired from Conquest Exploration Company