OPERATORS · TEXAS · P-5 NUMBER 257082

Expro Engineering, Inc.

WindowAll time 90 days 1 year 3 years 10 years

CountyMatagorda 37 Denton 21 Tarrant 13 Young 7 Shackelford 6 Dallas 5 Stephens 3 Archer 3 Knox 2 Wise 2

107 FILINGS · 87 PERMITS · PAGE 2 OF 3 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Sep 17, 2004	551152	Drill	Tarrant	Fossil Hill #4 HH	10,000	Final completion	43930996	Acquired from XTO Energy Inc.
Sep 2, 2004	548739	Recompletion	Nueces	State Tract 786 #3	11,047	Final completion	35502496	Now Petro-Smith Operating LLC
Mar 24, 2004	543613	Drill	Denton	Jones, Berniece #1	9,500	—	12132285	Acquired from Dark Horse Operating Co., L.L.C.
Mar 24, 2004	543613Amendment	Drill	Denton	Jones, Berniece #1	9,500	Final completion	12132285	Acquired from Dark Horse Operating Co., L.L.C.
Feb 13, 2004	541970	Drill	Denton	Springside-A #4	8,990	—	12132251	Acquired from Hess, Jerry Operating Co.
Feb 13, 2004	541970Amendment	Drill	Denton	Springside-A #4	8,990	Final completion	12132251	Acquired from Hess, Jerry Operating Co.
Feb 6, 2002	517378	Drill	Denton	Ford #1	8,999	—	12131411	Acquired from Hess, Jerry Operating Co.
Feb 6, 2002	517378Amendment	Drill	Denton	Ford #1	9,400	Unperforated completion	12131411	Acquired from Hess, Jerry Operating Co.
Nov 21, 2001	485788Amendment	Drill	Matagorda	McWilliams #1SW	3,000	Final completion	32131785	Now Alta Mesa Services LP
Jun 15, 2001	510361	Drill	Tarrant	West Comm #2	7,600	—	43930229	—
Jun 15, 2001	510360	Drill	Tarrant	West Comm #1	7,600	—	43930228	—
Jan 17, 2001	502897	Recompletion	Matagorda	Thompson Gas Unit #2	8,725	—	32101025	Now Gaither Petroleum Corporation
Nov 27, 2000	502314	Drill	Galveston	Tnct #3	10,000	Final completion	16731348	Acquired from Aspect Resources LLC
Jun 28, 2000	495379	Recompletion	Matagorda	Thompson Gas Unit #2	9,690	Final completion	32101025	Now Gaither Petroleum Corporation
Jun 12, 2000	496010	Reenter	Archer	Abercrombie, C. L. "G" #2	1,600	Final completion	00938823	Now J Ranger Oil & Gas LLC
Mar 7, 2000	492105	Recompletion	Matagorda	Lewis, J. C. #6	11,480	Final completion	32102139	Now Atlas Operating LLC
Jul 16, 1999	485788	Drill	Matagorda	McWilliams #1D	3,000	Spudded	32131785	Now Alta Mesa Services LP
May 6, 1998	474748	Recompletion	Matagorda	McWilliams Unit #2	10,200	Final completion	32131649	Now Atlas Operating LLC
Oct 7, 1996	452944	Recompletion	Matagorda	Lewis, J.C. #2	11,688	Final completion	32102135	Now Atlas Operating LLC
Aug 28, 1996	451946	Recompletion	Matagorda	Stoddard-Lewis Unit #2	10,310	—	32102142	Now Atlas Operating LLC
Feb 13, 1996	443411	Recompletion	Matagorda	E. L. Hicki Gas Unit #2	10,687	Final completion	32131419	Now Sandel Operating Company
Jul 12, 1995	437698	Recompletion	Matagorda	Wadsworth Ranch #2	8,920	—	32130461	—
Feb 7, 1995	432300	Recompletion	Matagorda	Lewis, J. C. #6	11,406	Final completion	32102139	Now Atlas Operating LLC
Jan 18, 1995	431900	Recompletion	Matagorda	Laraine Collup Gas Unit #3	9,514	—	32130461	—
Jan 18, 1995	431900Amendment	Recompletion	Matagorda	Wadsworth Ranch #2	9,514	Final completion	32130461	—
Apr 28, 1994	423375	Drill	Matagorda	Metzger SWD #4DR	2,500	—	32131704	Acquired from Comstock Oil & Gas, Inc.
Apr 28, 1994	423375Amendment	Drill	Matagorda	Metzger SWD #4DR	2,500	Final completion	32131704	Acquired from Comstock Oil & Gas, Inc.
Dec 29, 1993	419078	Drill	Wise	Buckner Unit "A" #1	7,000	Final completion	49733872	Acquired from Antle, E.
Nov 23, 1993	417756	Recompletion	Matagorda	Laraine Collup Oil Unit #1	8,849	Final completion	32130234	—
Aug 13, 1993	414195	Recompletion	Matagorda	Lewis, J.C. #3	11,533	Final completion	32102136	Now Atlas Operating LLC
Mar 23, 1992	396548Amendment	Recompletion	Matagorda	Lewis, J. C. #1	11,709	Final completion	32102134	Now Atlas Operating LLC
Feb 26, 1991	384887	Drill	Matagorda	McWilliams Unit #2	10,200	Spudded	32131649	Now Atlas Operating LLC
Feb 26, 1991	384887Amendment	Drill	Matagorda	McWilliams Unit #2	10,200	Final completion	32131649	Now Atlas Operating LLC
Oct 23, 1990	379712	Recompletion	Matagorda	Bruce McCallum Gas Unit #1	9,530	Final completion	32130488	—
May 25, 1990	373693	Recompletion	Matagorda	Wadsworth Ranch #2	9,500	Final completion	32130461	—
Oct 23, 1989	365350	Drill	Archer	McCarty Unit #1	5,400	Unsuccessful workover	00940149	—
Aug 8, 1988	349631	Recompletion	Andrews	Morgan Estate #1	8,806	Final completion	00310872	—
Feb 9, 1987	323727	Drill	Young	Young #2	4,999	Final completion	50339384	Acquired from Roye Operating Company
Jul 11, 1986	304062	Drill	Stephens	Woods Heirs #1	4,600	—	42934753	Acquired from Expro Engineering Co.
Jul 11, 1986	304062Amendment	Drill	Stephens	Woods Heirs #1	4,600	Final completion	42934753	Acquired from Expro Engineering Co.
Jul 11, 1986	304056	Drill	Stephens	Woods Heirs #1	4,600	—	42934753	Acquired from Expro Engineering Co.
May 6, 1986	301846	Drill	Young	Wadley #3	4,999	Final completion	50339250	Acquired from Roye Operating Company
Aug 15, 1985	282773	Drill	Young	Wadley #2	4,500	Final completion	50338902	Acquired from Roye Operating Company
Aug 15, 1985	282769	Drill	Young	Ferguson #1	4,600	Final completion	50338900	Acquired from Roye Operating Company
Aug 15, 1985	282771	Drill	Young	Young #1	4,600	Final completion	50338901	Acquired from Roye Operating Company
Jul 25, 1985	281031	Drill	Young	Wadley #1	4,600	Final completion	50338873	Acquired from Roye Operating Company
Jun 12, 1984	241707	Recompletion	Matagorda	Laraine Collup Gas Unit #2	9,530	—	32130488	Acquired from Amoco Production Co.-Alvin
Sep 23, 1983	214114	Drill	Archer	Abercrombie, C. L. #2	5,800	Final completion	00937768	Acquired from Enterprise Energy Corporation
Sep 23, 1983	214112	Drill	Clay	Kinder, R. C. #1D	6,500	Final completion	07733188	Acquired from Enterprise Energy Corporation
Jul 15, 1983	201681	Recompletion	Matagorda	McCallum Gas Unit #1	9,529	—	32130488	Acquired from Amoco Production Co.-Alvin