OPERATORS · TEXAS · P-5 NUMBER 170181

Concho Resources Inc.

192 FILINGS · 177 PERMITS · PAGE 2 OF 4 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
May 12, 2000494902DrillGlasscockTXL AA #58,750Final completion17333029Now Civitas Permian Operating LLC
May 12, 2000494901DrillUptonNeal, H. F. 28 #48,750Final completion46134045Now Civitas Permian Operating LLC
May 11, 2000494900DrillUptonNeal, H. F. 24 #48,700Final completion46134046Now Pioneer Natural Res. USA Inc.
Apr 5, 2000493721RecompletionCraneCrane 11 "O" #29,800—10334510Now Sundown Energy LP
Mar 28, 2000490994DrillGlasscockBooks, E. C. #68,975Final completion17333017Now Hunt Oil Company
Mar 7, 2000492808ReenterEctorOrion 34 #24,450Plugged dry hole (P&A)13537391Acquired from OXY USA Inc.
Jan 10, 2000490449RecompletionCraneCrane N Fee #19,790Final completion10334431Now Sundown Energy LP
Jan 6, 2000489982DrillReaganAldwell C #28,600Final completion38335029Now Civitas Permian Operating LLC
Jan 6, 2000489782DrillMartinScharbauer B #169,700Final completion31734247Now Civitas Permian Operating LLC
Jan 4, 2000490064DrillMartinMildred #38,950Final completion31734252Now Pioneer Natural Res. USA Inc.
Dec 22, 1999489776DrillGlasscockTXL A #38,600Final completion17333007Now Civitas Permian Operating LLC
Dec 22, 1999489773DrillGlasscockTexaco 7 #38,600—17333005—
Dec 22, 1999489772DrillGlasscockWrage-Hendrickson B #58,600Final completion17333006Now Civitas Permian Operating LLC
Dec 9, 1999490067DrillMartinEpley 31 #29,250Final completion31734253Now Pioneer Natural Res. USA Inc.
Dec 9, 1999490065DrillMartinWainwright #29,200Final completion31734254Now Civitas Permian Operating LLC
Dec 7, 1999489985DrillReaganChriesman #38,000—38335030Now Diamondback E&P LLC
Dec 7, 1999489985AmendmentDrillReaganChriesman #38,000Final completion38335030Now Diamondback E&P LLC
Dec 7, 1999489984DrillMartinTom, Rosalie #39,600Final completion31734251Now Endeavor Energy Resources L.P.
Dec 2, 1999489283DrillGlasscockLane, W. H. "A" #48,550Final completion17333002Now Diamondback E&P LLC
Nov 29, 1999489781DrillGlasscockHutchison #48,600Final completion17333010Now Civitas Permian Operating LLC
Nov 29, 1999489780DrillGlasscockWrage Hendrickson #88,650Final completion17333008Now Diamondback E&P LLC
Nov 29, 1999489779DrillMartinScharbauer A #259,700Final completion31734248Now Pioneer Natural Res. USA Inc.
Nov 29, 1999489778DrillMartinScharbauer A #249,700Final completion31734249Now Civitas Permian Operating LLC
Nov 29, 1999489777DrillMartinScharbauer A #239,700Final completion31734250Now Civitas Permian Operating LLC
Nov 29, 1999489775DrillGlasscockMcDaniel B #48,400Final completion17333009Now Civitas Permian Operating LLC
Nov 29, 1999489774DrillMidlandTXL AC #38,700—32934224—
Nov 22, 1999489547DrillUptonNeal, H. F. "16" #28,600Final completion46134018Now Civitas Permian Operating LLC
Nov 15, 1999489284DrillGlasscockMeadors #78,500Final completion17333003Now Diamondback E&P LLC
Nov 15, 1999488625DrillGlasscockCook, G. P. #38,600Final completion17332997Now Civitas Permian Operating LLC
Nov 15, 1999488624DrillGlasscockCalverley, J. B. B #98,600Final completion17332995Now Civitas Permian Operating LLC
Nov 15, 1999488622DrillGlasscockHuegler, Ivy #58,600Final completion17332996Now Diamondback E&P LLC
Nov 10, 1999489282DrillMidlandCoffee, R. B. #98,650Final completion32934216Now Civitas Permian Operating LLC
Oct 25, 1999488381DrillSuttonWhitehead #2039,000Final completion43535010Now Upp Operating LLC
Oct 18, 1999488382DrillSuttonWhitehead #6029,000Final completion43534995Now Upp Operating LLC
Oct 11, 1999488191DrillMartinScharbauer B #159,700Final completion31734239Now Pioneer Natural Res. USA Inc.
Oct 11, 1999487446DrillMidlandBoone, K. S. #58,600Final completion32934193Now Civitas Permian Operating LLC
Sep 17, 1999486751DrillGlasscockCalverley, J. B. A #58,550Final completion17332980Now Civitas Permian Operating LLC
Sep 16, 1999487445DrillGlasscockCalverley B #88,600Final completion17332988Now Civitas Permian Operating LLC
Sep 15, 1999487565DrillMartinScharbauer "A" #229,700Final completion31734237Now Civitas Permian Operating LLC
Sep 15, 1999487564DrillMartinScharbauer "A" #219,700Final completion31734236Now Pioneer Natural Res. USA Inc.
Sep 8, 1999487321DrillMidlandSchrock "A" #88,700Final completion32934190Now Civitas Permian Operating LLC
Sep 8, 1999487320DrillMidlandCoffee, R. B. #88,700Final completion32934189Now Civitas Permian Operating LLC
Sep 8, 1999487086DrillUptonWindham C #59,300Final completion46134001Now Civitas Permian Operating LLC
Sep 8, 1999487084DrillDawsonDean Ranch #18,500Final completion11533034Now Salt Creek Production Inc.
Sep 2, 1999486472DrillGlasscockReed "A" #38,550Final completion17332977Now Civitas Permian Operating LLC
Aug 31, 1999487087DrillUptonNeal 16 "A" #49,400Final completion46134000Now Civitas Permian Operating LLC
Aug 31, 1999487085DrillGlasscockCalverley B #78,600Final completion17332983Now Civitas Permian Operating LLC
Aug 24, 1999486752DrillGlasscockMeadors #68,500Final completion17332981Now Diamondback E&P LLC
Aug 19, 1999486753DrillMartinRhodes, Myrtle "A" #29,000Final completion31734233Now Pioneer Natural Res. USA Inc.
Aug 9, 1999486478DrillGlasscockHarris, B. A. #48,600Final completion17332976Now Civitas Permian Operating LLC