OPERATORS · TEXAS · P-5 NUMBER 160606

Cliffwood Production Co.

WindowAll time 90 days 1 year 3 years 10 years

CountyPecos 13 Madison 9 Duval 7 Webb 3 Karnes 3 McMullen 3 Refugio 3 Victoria 2 De Witt 1 Upshur 1

46 FILINGS · 42 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Dec 27, 2000	503343	Recompletion	Duval	DCR 79 #6	8,200	Final completion	13137826	Now Hilcorp Energy Company
Nov 22, 2000	502137	Recompletion	Duval	Foster, J. R. #54	8,200	Final completion	13132577	Now Hilcorp Energy Company
Nov 22, 2000	502135	Recompletion	Duval	DCR-State 366/74/64/54 D #5404F	7,700	—	13137685	Now Hilcorp Energy Company
Nov 14, 2000	501681	Recompletion	Duval	Foster, J. R. #68	8,115	Final completion	13136805	Now Hilcorp Energy Company
Jul 27, 2000	497623	Recompletion	McMullen	Atkinson, J. W. -A- #4	3,500	Final completion	31132982	Now Devon Energy Production Co L.P.
Jul 24, 2000	497505	Recompletion	Duval	DCR-State 366/76/64/54 D #3606D	7,510	Final completion	13137623	Now Hilcorp Energy Company
Jun 21, 2000	496349	Recompletion	Duval	DCR 208 #1	8,500	Final completion	13138007	Now Hilcorp Energy Company
Apr 13, 2000	493989	Recompletion	Duval	DCR-State 366/76/64/54/D #3605	7,872	Final completion	13137622	Now Hilcorp Energy Company
Feb 25, 2000	491377	Recompletion	De Witt	Kulawik #3	10,890	Final completion	12331765	Now P1 Energy LLC
Feb 8, 2000	491538	Recompletion	Madison	Osborne, G. J. "B" #3	9,500	Final completion	31330463	Now Omimex Energy Inc.
Feb 8, 2000	491538Amendment	Recompletion	Madison	Osborne, G. J. "B" #3	9,500	—	31330463	Now Omimex Energy Inc.
Dec 9, 1999	490019	Recompletion	Webb	The Dinn Mineral Trusts #2	12,000	Final completion	47934726	Now Hilcorp Energy Company
Nov 24, 1999	489465	Recompletion	Karnes	Falls City Unit #67	5,050	Final completion	25500019	Now Britanco L.L.C.
Nov 18, 1999	489467	Recompletion	Karnes	Moczygemba, V. T. #11	4,950	Final completion	25530156	Now Britanco L.L.C.
Nov 18, 1999	489466	Recompletion	Karnes	Olinick, James #2	4,471	Final completion	25500042	Now Britanco L.L.C.
May 5, 1999	484218	Recompletion	Lavaca	Harmon, R.M. et UX #1	5,000	Final completion	28532324	Now Marquee Corporation
Sep 23, 1998	479593	Recompletion	Victoria	Welder-Cole #2	6,200	Final completion	46933162	—
Sep 8, 1998	479207	Recompletion	McMullen	Atkinson, J. W. -A- #4	3,630	Final completion	31132982	Now Devon Energy Production Co L.P.
Apr 14, 1998	475046	Recompletion	McMullen	Atkinson, J. W. -A- #4	3,760	Final completion	31132982	Now Devon Energy Production Co L.P.
Apr 8, 1998	475045	Drill	Refugio	Rooke "A" #1	6,700	Spudded	39132235	Now Wofford C. J.
Apr 8, 1998	475045Amendment	Drill	Refugio	Rooke "A" #1	6,510	Final completion	39132235	Now Wofford C. J.
Apr 8, 1998	475044	Drill	Refugio	Rooke "B" #1	6,700	—	39132236	Now Wofford C. J.
May 15, 1997	462453	Reenter	Upshur	Buie, S. T. #5	3,760	Final completion	45900090	Now Krog Partners LLC
Jan 8, 1997	456981	Recompletion	Madison	Fannin, M. G. #5	8,710	Final completion	31330515	Now Southwest Operating Inc.-Tyler
Dec 13, 1996	456267	Recompletion	Webb	Wright-Richter Unit #7ST	6,700	Final completion	47935317	Acquired from Sonat Exploration Co. - Houston
May 31, 1996	448784	Drill	Victoria	Welder Cole #2	6,200	Unperforated completion	46933162	Acquired from Meridian Oil Inc.
Nov 13, 1992	405879	Drill	Madison	Cannon, Ernest "A" #A 4 A	9,000	Final completion	31330705	Acquired from Parten Oil Co.
Nov 13, 1992	405879Amendment	Drill	Madison	Cannon, Ernest "A" #4 A	10,000	Spudded	31330705	Acquired from Parten Oil Co.
Nov 13, 1992	405879Amendment	Drill	Madison	Cannon, Ernest "A" #4 A	8,900	—	31330705	Acquired from Parten Oil Co.
Oct 14, 1991	392873	Drill	Webb	Wright, L. A. #7	7,000	Final completion	47935317	Acquired from TDC Engineering, Inc.
Mar 9, 1988	343615	Recompletion	Pecos	Fort Stockton Unit #613	3,480	Unsuccessful workover	37133099	Acquired from Exxon Corp.
Sep 3, 1986	320186	Recompletion	Pecos	Fort Stockton Unit #217	3,475	—	37133257	Acquired from Exxon Corp.
Feb 6, 1986	298347	Recompletion	Pecos	Fort Stockton Unit #1526	3,380	—	37133316	Acquired from Exxon Corp.
Nov 15, 1985	290646	Recompletion	Pecos	Fort Stockton Unit #613	3,479	—	37133099	Acquired from Exxon Corp.
Oct 2, 1985	286250	Recompletion	Pecos	Fort Stockton Unit #1009	3,100	Unsuccessful workover	37133446	Acquired from Exxon Corp.
Dec 31, 1984	263335	Drill	Pecos	Fort Stockton #227	3,500	Final completion	37135293	Acquired from Exxon Corp.
Oct 12, 1982	174820	Drill	Madison	Evans-Cannon Unit #1	10,167	Final completion	31330332	Acquired from Parten, J. R.
Oct 22, 1981	137866	Drill	Pecos	Fort Stockton Unit #512	3,500	Final completion	37133609	Acquired from Exxon Corp.
Jul 22, 1981	126109	Drill	Pecos	Fort Stockton Unit #618	3,500	Final completion	37133491	Acquired from Exxon Corp.
Jun 17, 1981	121417	Drill	Pecos	Fort Stockton Unit #1009	3,350	Final completion	37133446	Acquired from Exxon Corp.
Jun 8, 1981	121150	Drill	Madison	Evans-Cannon Unit #1	11,000	Spudded	31330332	Acquired from Parten, J. R.
Jan 22, 1981	105846	Drill	Pecos	Fort Stockton Unit #1526	3,400	Final completion	37133316	Acquired from Exxon Corp.
Nov 17, 1980	99407	Drill	Pecos	Fort Stockton Unit #217	3,500	Final completion	37133257	Acquired from Exxon Corp.
May 22, 1980	81870	Drill	Pecos	Fort Stockton Unit #1623	3,500	Final completion	37133106	Acquired from Exxon Corp.
May 21, 1980	81761	Drill	Pecos	Fort Stockton Unit #613	3,500	Final completion	37133099	Acquired from Exxon Corp.
May 24, 1978	25092	Drill	Madison	Cannon, Ernest et al "A" #8	10,000	Spudded	31330219	Acquired from Parten, J. R.