OPERATORS · TEXAS · P-5 NUMBER 337106

Gruy Petroleum Management Co.

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 481 Recompletion 105 Reclass 4 Reenter 3 Field transfer 2

96 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Apr 5, 2006	617000	Drill	Mitchell	Westbrook Southwest Unit #311A	3,600	Final completion	33534593	Now Grayrock Energy II LLC
Apr 5, 2006	616999	Drill	Mitchell	Westbrook Southwest Unit #138	3,600	Final completion	33534592	Now Grayrock Energy II LLC
Apr 5, 2006	616997	Drill	Mitchell	Westbrook Southwest Unit #124	3,600	Final completion	33534591	Now Grayrock Energy II LLC
Apr 5, 2006	616995	Drill	Mitchell	Westbrook Southwest Unit #2014	3,600	Final completion	33534587	Now Grayrock Energy II LLC
Apr 5, 2006	616994	Drill	Mitchell	Westbrook Southwest Unit #2010	3,600	Final completion	33534588	Now Grayrock Energy II LLC
Apr 5, 2006	616992	Drill	Mitchell	Westbrook Southwest Unit #1510	3,600	Final completion	33534589	Now Grayrock Energy II LLC
Apr 5, 2006	616991	Drill	Mitchell	Westbrook Southwest Unit #812	3,600	Final completion	33534590	Now Grayrock Energy II LLC
Apr 5, 2006	616990	Drill	Mitchell	Westbrook Southwest Unit #459	3,600	Final completion	33534585	Now Grayrock Energy II LLC
Apr 5, 2006	616989	Drill	Mitchell	Westbrook Southwest Unit #452	3,600	Final completion	33534594	Now Grayrock Energy II LLC
Apr 5, 2006	616988	Drill	Mitchell	Westbrook Southwest Unit #316	3,600	Final completion	33534586	Now Grayrock Energy II LLC
Dec 27, 2005	611486	Drill	Mitchell	Westbrook Southwest Unit #2015	3,600	Final completion	33534537	Now Grayrock Energy II LLC
Dec 22, 2005	611491	Drill	Mitchell	Westbrook Southwest Unit #128	3,600	Final completion	33534538	Now Grayrock Energy II LLC
Dec 22, 2005	611490	Drill	Mitchell	Westbrook Southwest Unit #218	3,600	Final completion	33534539	Now Grayrock Energy II LLC
Dec 22, 2005	611489	Drill	Mitchell	Westbrook Southwest Unit #236	3,600	Final completion	33534534	Now Grayrock Energy II LLC
Dec 22, 2005	611485	Drill	Mitchell	Westbrook Southwest Unit #451	3,600	Final completion	33534547	Now Grayrock Energy II LLC
Dec 22, 2005	611484	Drill	Mitchell	Westbrook Southwest Unit #450	3,600	Final completion	33534544	Now Grayrock Energy II LLC
Dec 22, 2005	611483	Drill	Mitchell	Westbrook Southwest Unit #449	3,600	Final completion	33534531	Now Grayrock Energy II LLC
Dec 22, 2005	611482	Drill	Mitchell	Westbrook Southwest Unit #448	3,600	Final completion	33534548	Now Grayrock Energy II LLC
Dec 22, 2005	611481	Drill	Mitchell	Westbrook Southwest Unit #2012	3,600	Final completion	33534546	Now Grayrock Energy II LLC
Dec 22, 2005	611480	Drill	Mitchell	Westbrook Southwest Unit #310	3,600	Final completion	33534543	Now Grayrock Energy II LLC
Dec 22, 2005	611479	Drill	Mitchell	Westbrook Southwest Unit #1111	3,600	Final completion	33534545	Now Grayrock Energy II LLC
Dec 22, 2005	611478	Drill	Mitchell	Westbrook Southwest Unit #39	3,600	Final completion	33534542	Now Grayrock Energy II LLC
Dec 22, 2005	611477	Drill	Mitchell	Westbrook Southwest Unit #38	3,600	Final completion	33534541	Now Grayrock Energy II LLC
Dec 22, 2005	611476	Drill	Mitchell	Westbrook Southwest Unit #37	3,600	Final completion	33534540	Now Grayrock Energy II LLC
Dec 22, 2005	611475	Drill	Mitchell	Westbrook Southwest Unit #137	3,600	Final completion	33534536	Now Grayrock Energy II LLC
Dec 22, 2005	611474	Drill	Mitchell	Westbrook Southwest Unit #131	3,600	Final completion	33534530	Now Grayrock Energy II LLC
Dec 22, 2005	611471	Drill	Mitchell	Westbrook Southwest Unit #133	3,600	Final completion	33534535	Now Grayrock Energy II LLC
Dec 22, 2005	611470	Drill	Mitchell	Westbrook Southwest Unit #126	3,600	Final completion	33534533	Now Grayrock Energy II LLC
Dec 22, 2005	611468	Drill	Mitchell	Westbrook Southwest Unit #125	3,600	Final completion	33534532	Now Grayrock Energy II LLC
Aug 15, 2005	604938	Reclass	Mitchell	Westbrook Southwest Unit #442	3,400	—	33534161	Now Grayrock Energy II LLC
Aug 12, 2005	604923	Reclass	Mitchell	Westbrook Southwest Unit #441	3,400	Final completion	33534160	Now Grayrock Energy II LLC
Jul 6, 2004	547848	Drill	Mitchell	Westbrook Southwest Unit #209	3,600	Final completion	33534420	Now Grayrock Energy II LLC
Apr 29, 2004	545115	Drill	Mitchell	Westbrook Southwest Unit #1304	3,600	—	33534411	—
Apr 29, 2004	544890	Drill	Mitchell	Westbrook Southwest Unit #1110	3,600	Unperforated completion	33534403	Now Grayrock Energy II LLC
Apr 28, 2004	544898	Drill	Mitchell	Westbrook Southwest Unit #1033	3,600	Final completion	33534404	Now Grayrock Energy II LLC
Apr 28, 2004	544896	Drill	Mitchell	Westbrook Southwest Unit #444	3,600	Final completion	33534408	Now Grayrock Energy II LLC
Apr 28, 2004	544887	Drill	Mitchell	Westbrook Southwest Unit #22	3,600	Final completion	33534400	Now Grayrock Energy II LLC
Apr 26, 2004	544982	Drill	Mitchell	Westbrook Southwest Unit #35	3,600	Final completion	33534410	Now Grayrock Energy II LLC
Apr 26, 2004	544952	Drill	Mitchell	Westbrook Southwest Unit #34	3,600	Final completion	33534409	Now Grayrock Energy II LLC
Apr 23, 2004	544895	Drill	Mitchell	Westbrook Southwest Unit #443	3,600	Final completion	33534407	Now Grayrock Energy II LLC
Apr 23, 2004	544893	Drill	Mitchell	Westbrook Southwest Unit #208	3,600	Final completion	33534406	Now Grayrock Energy II LLC
Apr 23, 2004	544891	Drill	Mitchell	Westbrook Southwest Unit #207	3,600	Final completion	33534405	Now Grayrock Energy II LLC
Apr 23, 2004	544889	Drill	Mitchell	Westbrook Southwest Unit #206	3,600	Final completion	33534402	Now Grayrock Energy II LLC
Apr 23, 2004	544888	Drill	Mitchell	Westbrook Southwest Unit #122	3,600	Final completion	33534401	Now Grayrock Energy II LLC
Jun 27, 2003	533616	Recompletion	Mitchell	Westbrook Southwest Unit #801	3,200	Final completion	33500765	Now Grayrock Energy II LLC
Jun 27, 2003	533615	Recompletion	Mitchell	Westbrook Southwest Unit #803	3,200	—	33500767	Now Grayrock Energy II LLC
Jun 2, 2003	532621	Recompletion	Mitchell	Westbrook Southwest Unit #12	3,200	Final completion	33500084	Now Grayrock Energy II LLC
May 19, 2003	531353	Drill	Mitchell	Westbrook Southwest Unit #1019	3,600	Final completion	33534322	Now Grayrock Energy II LLC
May 6, 2003	531363	Drill	Mitchell	Westbrook Southwest Unit #1018	3,600	Final completion	33534332	Now Grayrock Energy II LLC
May 6, 2003	531362	Drill	Mitchell	Westbrook Southwest Unit #5117	3,600	Final completion	33534331	Now Grayrock Energy II LLC