OPERATORS · TEXAS · P-5 NUMBER 252014

Enduring Resources, LLC

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 376 Field transfer 23 Recompletion 14 Reenter 1

159 FILINGS · 118 PERMITS · PAGE 1 OF 4 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jan 13, 2009	656637Amendment	Recompletion	Rusk	Maxwell Gas Unit #2	11,300	Final completion	40134286	Now Cabot Oil & Gas Corporation
Sep 18, 2008	668966	Drill	Rusk	Green Gas Unit 1 #107	13,500	—	40134891	—
Sep 18, 2008	668963	Drill	Rusk	Green Gas Unit 1 #106	13,500	Final completion	40134890	Now Buckhorn Operating LLC
Sep 5, 2008	669149	Drill	Rusk	Wilder Gas Unit #102	13,500	Final completion	40134899	Now Buckhorn Operating LLC
Sep 5, 2008	669144	Drill	Rusk	Tufco Gas Unit 1 #101	13,500	Plugged dry hole (P&A)	40134898	—
Sep 5, 2008	668959	Drill	Rusk	Green Gas Unit 1 #102	13,500	Final completion	40134889	Now Buckhorn Operating LLC
Sep 4, 2008	668996	Drill	Rusk	Txu Gas Unit #101	13,500	Spudded	40134894	Now Buckhorn Operating LLC
Sep 4, 2008	668986	Drill	Rusk	Purdie Gas Unit 1 #103	13,500	Final completion	40134893	Now Buckhorn Operating LLC
Sep 4, 2008	668983	Drill	Rusk	Purdie Gas Unit 1 #102	13,500	Final completion	40134892	Now Buckhorn Operating LLC
Sep 4, 2008	668978	Drill	Rusk	Purdie Gas Unit 1 #101	13,500	Spudded	40134897	Now Buckhorn Operating LLC
Sep 4, 2008	668961	Drill	Rusk	Green Gas Unit 1 #105	13,500	Final completion	40134888	Now KJ Energy LLC
Aug 27, 2008	668553	Drill	Rusk	Wilder Gas Unit #101	13,500	Final completion	40134881	Now Buckhorn Operating LLC
Aug 27, 2008	668551	Drill	Rusk	Jarrell Gas Unit #101	13,500	—	40134880	—
Aug 27, 2008	668544	Drill	Rusk	Hughes Gas Unit #101	13,500	Final completion	40134879	Now Buckhorn Operating LLC
Aug 22, 2008	666780	Drill	Rusk	Green Gas Unit 1 #101	13,500	Final completion	40134860	Now Buckhorn Operating LLC
Aug 9, 2008	665878	Drill	Rusk	Tufco Gas Unit 1 #10	13,500	Final completion	40134849	Now Buckhorn Operating LLC
Aug 7, 2008	667124	Drill	Rusk	Jimmerson Gas Unit #2	13,500	—	40134866	—
Aug 6, 2008	667038	Drill	Rusk	Green Gas Unit 1 #6	13,500	Final completion	40134864	Now Buckhorn Operating LLC
Aug 2, 2008	666783	Drill	Rusk	Sparkman-Taylor Gas Unit #2	13,500	—	40134861	—
Jul 24, 2008	665876	Drill	Rusk	Wilder Gas Unit #6	13,500	Final completion	40134848	Now Buckhorn Operating LLC
Jul 22, 2008	665890	Drill	Rusk	Jarrell Gas Unit #4	13,500	Final completion	40134847	Now Buckhorn Operating LLC
Jul 22, 2008	665885	Drill	Rusk	Jarrell Gas Unit #3	13,500	Final completion	40134846	Now Buckhorn Operating LLC
Jul 22, 2008	665544	Drill	Rusk	Wilder Gas Unit #2	13,500	Spudded	40134839	Now Buckhorn Operating LLC
Jul 18, 2008	665545	Drill	Rusk	Wilder Gas Unit #7	13,500	Final completion	40134838	Now Buckhorn Operating LLC
Jul 16, 2008	665237	Drill	Rusk	Green Gas Unit 1 #5	13,500	Final completion	40134833	Now Buckhorn Operating LLC
Jul 11, 2008	665043	Drill	Rusk	Hays Gas Unit #4	13,500	Final completion	40134832	Now Buckhorn Operating LLC
Jul 9, 2008	664862	Drill	Rusk	Hays Gas Unit #3	13,500	Final completion	40134824	Now Buckhorn Operating LLC
Jun 16, 2008	663075	Drill	Rusk	Jimmerson Gas Unit #13	11,700	Spudded	40134800	Now Buckhorn Operating LLC
Jun 16, 2008	663075Amendment	Drill	Rusk	Jimmerson Gas Unit #13	13,500	Final completion	40134800	Now Buckhorn Operating LLC
Jun 16, 2008	663045	Drill	Rusk	Pirtle #2	11,700	Final completion	40134799	Now Cabot Oil & Gas Corporation
Jun 16, 2008	655152	Field transfer	Rusk	Txu Gas Unit #1	11,000	—	40133841	Now Buckhorn Operating LLC
Jun 16, 2008	655152Amendment	Field transfer	Rusk	Txu Gas Unit #1	13,500	Final completion	40133841	Now Buckhorn Operating LLC
Jun 10, 2008	662625	Drill	Rusk	Smith Trust Gas Unit #2	11,300	—	40134793	—
Jun 10, 2008	662625Amendment	Drill	Rusk	Smith Trust Gas Unit #2	13,500	—	40134793	—
Jun 10, 2008	662617	Drill	Rusk	Smith Trust Gas Unit #1	11,300	—	40134792	—
Jun 10, 2008	662617Amendment	Drill	Rusk	Smith Trust Gas Unit #1	13,500	—	40134792	—
Jun 10, 2008	662561	Drill	Rusk	Mims #1	11,300	Final completion	40134791	Now Buckhorn Operating LLC
Jun 2, 2008	661710	Drill	Rusk	Birdwell Gas Unit #12	11,500	Final completion	40134764	Now Buckhorn Operating LLC
May 29, 2008	661737	Drill	Rusk	Birdwell Gas Unit #6	11,500	—	40134765	Now Buckhorn Operating LLC
May 29, 2008	661737Amendment	Drill	Rusk	Birdwell Gas Unit #6	13,500	Final completion	40134765	Now Buckhorn Operating LLC
May 21, 2008	661159	Drill	Rusk	Birdwell Gas Unit #1	11,300	Unperforated completion	40134759	Now Faulconer Energy LLC
May 15, 2008	660695	Drill	Rusk	Hays Gas Unit #2	11,500	Final completion	40134754	Now Buckhorn Operating LLC
May 8, 2008	660492	Drill	Rusk	Pirtle #1	11,500	Final completion	40134752	Now Cabot Oil & Gas Corporation
Apr 25, 2008	659295	Drill	Rusk	Jarrell Gas Unit #2	11,300	Final completion	40134736	Now Buckhorn Operating LLC
Apr 24, 2008	659182	Drill	Rusk	Baxter #1	11,300	—	40134734	—
Apr 18, 2008	658746	Drill	Rusk	Wilder Gas Unit #1	11,400	Final completion	40134728	Now Buckhorn Operating LLC
Apr 10, 2008	658234	Field transfer	Rusk	Morris Gas Unit #1	11,300	Final completion	40134284	Now Cabot Oil & Gas Corporation
Apr 8, 2008	657899	Drill	Rusk	Tufco Gas Unit 1 #7	11,300	Final completion	40134713	Now Buckhorn Operating LLC
Apr 4, 2008	657905	Drill	Rusk	Tufco Gas Unit 1 #9	11,300	Final completion	40134715	Now Buckhorn Operating LLC
Apr 4, 2008	657902	Drill	Rusk	Tufco Gas Unit 1 #8	11,300	Final completion	40134714	Now Buckhorn Operating LLC