OPERATORS · TEXAS · P-5 NUMBER 907544

Welhausen Operating Company, LP

103 FILINGS · 95 PERMITS · PAGE 2 OF 3 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Feb 12, 2008654584DrillMcMullenWheeler, Lee-B- #911,000Spudded31134025Now GTG Operating LLC
Feb 12, 2008654584AmendmentOtherMcMullenWheeler, Lee-B- #911,000Final completion31134025Now GTG Operating LLC
Oct 8, 2007647202DrillMcMullenWheeler, Karen #511,000Plugged dry hole (P&A)31134005—
Sep 21, 2007646312DrillMcMullenQuintanilla -B- #B 210,000Final completion31134000Now GTG Operating LLC
Aug 15, 2007643311DrillMcMullenWheeler, Karen #411,000Final completion31133983Now GTG Operating LLC
Jul 31, 2007642735DrillMcMullenQuintanilla-B- #B 310,000Final completion31133982Now GTG Operating LLC
Apr 14, 2007635147DrillMcMullenZavisch "A" #A 1111,000—31133959—
Mar 23, 2007635440DrillMcMullenWheeler, Lee -B- #511,000Final completion31133951Now GTG Operating LLC
Mar 23, 2007635438DrillMcMullenWheeler, Lee -B- #811,000Final completion31133950Now GTG Operating LLC
Feb 13, 2007632784DrillMcMullenHorton R P #210,000Final completion31133943Now GTG Operating LLC
Sep 29, 2006626366DrillMcMullenJCB-Quintanilla #210,000Final completion31133918Now GTG Operating LLC
Aug 24, 2006624695DrillMcMullenHorton, R. P. -A- #A 510,000Final completion31133915Now GTG Operating LLC
Aug 17, 2006624168DrillMcMullenWheeler, Karen -A- #A 211,000Final completion31133914Now GTG Operating LLC
Aug 10, 2006623823DrillMcMullenWheeler, Lee -B- #311,000Final completion31133913Now GTG Operating LLC
Aug 10, 2006623817DrillMcMullenWheeler, Lee -B- #211,000Final completion31133912Now GTG Operating LLC
Aug 1, 2006623034DrillMcMullenWheeler, Karen #311,000Final completion31133911Now GTG Operating LLC
Jul 20, 2006622753RecompletionMcMullenBallard, Horton #99,629—31133777Now GTG Operating LLC
Jun 7, 2006620132DrillWebbBeasley-Meador "B" #127,500Final completion47939540Now Middleton Oil Company
Jun 7, 2006620128DrillWebbBeasley-Meador "A" #117,500Final completion47939539Now Middleton Oil Company
Mar 29, 2006616365DrillMcMullenHorton - Ballard #1010,000Final completion31133898Now GTG Operating LLC
Mar 29, 2006616364DrillMcMullenZavisch -A- #A 1011,000Final completion31133899Now GTG Operating LLC
Jan 20, 2006612444DrillMcMullenZavisch -A- #A 910,500Final completion31133886Now GTG Operating LLC
Jan 20, 2006612443DrillMcMullenZavisch -A- #810,500Final completion31133885Now GTG Operating LLC
Jan 20, 2006612442DrillMcMullenWheeler, Lee -B- #110,500Final completion31133884Now GTG Operating LLC
Sep 14, 2005606186RecompletionMcMullenHorton Ballard #99,629Final completion31133777Now GTG Operating LLC
Aug 19, 2005605122DrillMcMullenWheeler, Lee #710,500Final completion31133843Now GTG Operating LLC
Jul 6, 2005603007DrillMcMullenHorton RR -B- #180210,000Final completion31133827Now GTG Operating LLC
Jun 3, 2005601468DrillMcMullenQ-JCB-A #29,800Plugged dry hole (P&A)31133816—
Apr 1, 2005559618DrillMcMullenHorton, R P -B- #22029,800Final completion31133796Now GTG Operating LLC
Mar 22, 2005559341DrillMcMullenQuintanilla -B- #B 19,800Final completion31133795Now GTG Operating LLC
Dec 6, 2004554410DrillMcMullenHorton - Ballard #910,000Final completion31133777Now GTG Operating LLC
Oct 19, 2004552125DrillMcMullenQ-JCB-A #19,800Final completion31133765Now GTG Operating LLC
Oct 18, 2004552293DrillMcMullenQuintanilla, Paloma Horton #69,800—31134095Now GTG Operating LLC
Oct 11, 2004551968DrillMcMullenQuintanilla, Paloma Horton #59,800Spudded31133764—
Oct 11, 2004551968AmendmentDrillMcMullenQuintanilla, Paloma Horton #59,800Plugged dry hole (P&A)31133764—
Oct 7, 2004551885DrillMcMullenHorton, R P -A- #49,800Final completion31133762Now GTG Operating LLC
Oct 7, 2004551884DrillMcMullenQuintanilla, Paloma Horton #49,800—31133763—
Oct 7, 2004551884AmendmentDrillMcMullenQuintanilla, Paloma Horton #49,800Plugged dry hole (P&A)31133763—
Aug 17, 2004549461DrillWebbMeador, Beasley #97,000Final completion47938821Now Middleton Oil Company
Aug 17, 2004549460DrillWebbMeador, Beasley #107,000Final completion47938822Now Middleton Oil Company
Dec 9, 2003539384DrillMcMullenZavisch -A- #710,500Final completion31133725Now GTG Operating LLC
Nov 6, 2003538301DrillMcMullenWheeler, Lee #610,250Final completion31133722Now GTG Operating LLC
Nov 5, 2003538173DrillMcMullenWheeler, Lee #510,250Final completion31133720Now GTG Operating LLC
Sep 30, 2003536932DrillMcMullenPaloma-Horton-Quintanilla #110,000Final completion31133707Now GTG Operating LLC
Sep 22, 2003536643DrillMcMullenHorton-JCB #210,000Final completion31133706Now GTG Operating LLC
Nov 13, 2002525454DrillMcMullenQuintanilla - JCB #39,600Final completion31133674Now GTG Operating LLC
Oct 18, 2002524750DrillMcMullenPaloma-Horton Quintanilla #29,700Plugged dry hole (P&A)31133673—
Jun 27, 2002521254ReenterMcMullenQuintanilla San Miguel #39,251Final completion31132569Now GTG Operating LLC
Feb 15, 2001505335DrillMcMullenQuintanilla San Miguel #29,500Final completion31133641Acquired from Welhausen Operating Co., Inc.
Sep 6, 1995439493ReenterMcMullenWheeler, Charles "B" #B 21,556Final completion31101055Acquired from Welhausen Operating Co., Inc.