OPERATORS · TEXAS · P-5 NUMBER 190468

Cross Timbers Operating Company

WindowAll time 90 days 1 year 3 years 10 years

CountyTerry 119 Freestone 66 Andrews 64 Crockett 56 Gregg 54 Harrison 32 Haskell 22 Robertson 19 Coke 8 Limestone 7

467 PERMITS · PAGE 1 OF 10 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jun 20, 2001	509405	Drill	Gregg	WSGU1 ( Lacy, E. -15) #15	8,500	Final completion	18331478	Now Faulconer Energy LLC
May 31, 2001	509590	Drill	Freestone	Cochrum Gas Unit #8	13,500	Final completion	16132094	Now Hilcorp Energy Company
May 29, 2001	509272	Drill	Freestone	McWatters, T. H. #20	13,500	Final completion	16132091	Now Hilcorp Energy Company
May 25, 2001	509354	Drill	Freestone	Gibson #5	14,000	Final completion	16132092	Now Hilcorp Energy Company
May 22, 2001	508021	Drill	Limestone	Lyons Gas Unit No. 1 #10	14,000	Final completion	29331406	Now Hilcorp Energy Company
May 21, 2001	509161	Drill	Freestone	Barnard Gas Unit #2	13,500	Final completion	16132089	Now Hilcorp Energy Company
May 11, 2001	508785	Drill	Limestone	Standley Gas Unit No. 1 #3	14,000	—	29331412	Now Hilcorp Energy Company
May 11, 2001	508784	Drill	Limestone	Gibson #4	14,000	Final completion	29331413	Now Hilcorp Energy Company
May 1, 2001	508308	Drill	Gregg	WSGU11 (Gray -6) #7	12,000	Final completion	18331475	Now Faulconer Energy LLC
Apr 30, 2001	508192	Drill	Gregg	Pine Tree I.S.D. #5	12,000	Final completion	18331473	Now Faulconer Energy LLC
Apr 27, 2001	508234	Drill	Freestone	Hall, F. L. #3	14,000	Final completion	16132070	Now Hilcorp Energy Company
Apr 26, 2001	508193	Drill	Gregg	WSGU7 (Horton-Dickson -31) #31	12,000	Final completion	18331474	Now Faulconer Energy LLC
Apr 24, 2001	508020	Drill	Limestone	Lyons Gas Unit No. 1 #8	14,000	—	29331407	—
Apr 20, 2001	507938	Drill	Limestone	Lyons Gas Unit No. 1 #9	14,000	Final completion	29331404	Now Hilcorp Energy Company
Apr 19, 2001	507851	Drill	Limestone	Jacoby-Harris Gas Unit No. 1 #2	14,000	Final completion	29331401	Now Hilcorp Energy Company
Apr 18, 2001	507850	Drill	Limestone	Triple H Ranch Gas Unit No. 1 #5	14,000	Final completion	29331402	Now Hilcorp Energy Company
Apr 12, 2001	507660	Drill	Robertson	Duncan Gas Unit No. 2 #2	13,600	Final completion	39530663	Now Hilcorp Energy Company
Apr 6, 2001	507423	Drill	Robertson	Merryman Gas Unit No. 1 #4	13,600	Final completion	39530659	Now Hilcorp Energy Company
Apr 6, 2001	507422	Drill	Robertson	Martin #6	13,600	Final completion	39530661	Now Hilcorp Energy Company
Apr 6, 2001	507421	Drill	Robertson	Duncan Gas Unit No. 1 #4	13,600	Final completion	39530660	Now Hilcorp Energy Company
Mar 30, 2001	507219	Drill	Terry	Prentice Northeast Unit #523	7,315	Side one multi completion	44531961	Now Highmark Energy Operating LLC
Mar 30, 2001	507218	Drill	Terry	Prentice Northeast Unit #534	7,400	Final completion	44531962	Now Highmark Energy Operating LLC
Mar 28, 2001	507012	Drill	Robertson	Floyd Turner Gas Unit No. 1 #4	13,600	Final completion	39530655	Now Hilcorp Energy Company
Mar 28, 2001	505840	Drill	Robertson	Beal Estate #6	13,600	Final completion	39530645	Now Hilcorp Energy Company
Mar 23, 2001	506852	Drill	Robertson	Merryman Gas Unit No. 1 #3	13,600	Final completion	39530653	Now Hilcorp Energy Company
Mar 23, 2001	506764	Drill	Robertson	Duncan Gas Unit No. 2 #3	13,600	Final completion	39530652	Now Hilcorp Energy Company
Mar 20, 2001	506712	Drill	Terry	Prentice Northeast Unit #547	7,300	Final completion	44531958	Now Highmark Energy Operating LLC
Mar 20, 2001	506711	Drill	Terry	Prentice Northeast Unit #587	7,450	Side one multi completion	44531957	Now Highmark Energy Operating LLC
Mar 20, 2001	506710	Drill	Terry	Prentice Northeast Unit #589	7,450	Side one multi completion	44531956	Now Highmark Energy Operating LLC
Mar 20, 2001	506709	Drill	Terry	Prentice Northeast Unit #646	7,400	Side one multi completion	44531955	Now Highmark Energy Operating LLC
Mar 20, 2001	506708	Drill	Terry	Prentice Northeast Unit #590	7,380	Side one multi completion	44531954	Now Highmark Energy Operating LLC
Mar 20, 2001	506707	Drill	Terry	Prentice Northeast Unit #688	7,125	Side one multi completion	44531953	Now Highmark Energy Operating LLC
Mar 20, 2001	506706	Drill	Terry	Prentice Northeast Unit #724	7,300	Final completion	44531952	Now Highmark Energy Operating LLC
Mar 20, 2001	506705	Drill	Terry	Prentice Northeast Unit #299	7,450	Final completion	44531951	Now Highmark Energy Operating LLC
Mar 14, 2001	506445	Drill	Robertson	Duncan Gas Unit No. 1 #3	13,600	—	39530649	Now Hilcorp Energy Company
Mar 14, 2001	506445	Drill	Robertson	Duncan Gas Unit No. 1 #3	13,600	Final completion	39530649	Now Hilcorp Energy Company
Mar 13, 2001	506398	Drill	Robertson	Zieglschmid #2	13,600	Final completion	39530648	Now Hilcorp Energy Company
Mar 9, 2001	504955	Drill	Gregg	WSGU1 (Lacy, E. -14) #14	12,000	Final completion	18331457	Now Faulconer Energy LLC
Mar 6, 2001	506056	Drill	Freestone	Worthy 'A' #2	14,000	—	16132035	Now Hilcorp Energy Company
Mar 6, 2001	506056	Drill	Freestone	Worthy 'A' #2	14,000	Final completion	16132035	Now Hilcorp Energy Company
Mar 6, 2001	504797	Drill	Gregg	WSGU1 (Lacy, E. -13) #13	12,000	Final completion	18331456	Now Faulconer Energy LLC
Mar 6, 2001	504159	Drill	Gregg	WSGU1 (Lacy, E. -12) #12	12,000	Final completion	18331452	Now Faulconer Energy LLC
Mar 2, 2001	505942	Drill	Robertson	Lee Martin Gas Unit No. 1 #5	13,600	Final completion	39530647	Now Hilcorp Energy Company
Mar 1, 2001	505889	Drill	Robertson	Carter Gas Unit 1 #3	13,600	Final completion	39530646	Now Hilcorp Energy Company
Feb 28, 2001	505839	Drill	Robertson	Beal Estate #7	13,600	Final completion	39530644	Now Hilcorp Energy Company
Feb 16, 2001	505299	Drill	Gregg	Wscgu (Horton-Dickson) #529	12,000	Final completion	18331459	Now Faulconer Energy LLC
Feb 12, 2001	503804	Drill	Robertson	Mitchell Unit III #9	13,600	—	39530631	Now Hilcorp Energy Company
Feb 12, 2001	503660	Drill	Robertson	Mitchell Unit II #7	13,600	—	39530630	Now Hilcorp Energy Company
Jan 31, 2001	504663	Drill	Freestone	Miller-Hanson #1R	11,000	—	16131991	Now XTO Energy Inc.
Jan 31, 2001	504663	Drill	Freestone	Miller-Hanson #1R	12,000	Final completion	16131991	Now XTO Energy Inc.