OPERATORS · TEXAS · P-5 NUMBER 877060

Union Texas Petroleum Corp.

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 339 Recompletion 79 Other 9 Reenter 4

56 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jun 20, 1990	374345	Drill	Mitchell	Westbrook SW Unit #404R	3,200	—	33533543	—
Aug 30, 1989	361504	Drill	Mitchell	Wswu 15 #9	3,350	Final completion	33533481	Now Grayrock Energy II LLC
Aug 30, 1989	361503	Drill	Mitchell	Wswu 15 #8	3,350	Final completion	33533482	Now Grayrock Energy II LLC
Aug 21, 1989	362451	Drill	Mitchell	Westbrook Southwest Unit #1015WI	3,250	—	33533484	—
Aug 9, 1989	362452	Drill	Mitchell	Westbrook Southwest Unit #4027	3,250	—	33533483	—
Nov 27, 1985	291395	Drill	Mitchell	Westbrook Southwest Unit 19 #7	3,200	Final completion	33533101	Now Grayrock Energy II LLC
Nov 26, 1985	291147	Drill	Mitchell	Westbrook Southwest Unit 19 #J1	3,200	Final completion	33533094	Now Grayrock Energy II LLC
Nov 26, 1985	291151	Drill	Mitchell	Westbrook Southwest Unit 19 #J2	3,200	Final completion	33533096	Now Grayrock Energy II LLC
Nov 26, 1985	291155	Drill	Mitchell	Westbrook Southwest Unit 19 #J3	3,200	Final completion	33533098	Now Grayrock Energy II LLC
Nov 26, 1985	291149	Drill	Mitchell	Westbrook Southwest Unit 19 #J4	3,200	Final completion	33533095	Now Grayrock Energy II LLC
Nov 26, 1985	291153	Drill	Mitchell	Westbrook Southwest Unit 19 #6	3,200	Final completion	33533097	Now Grayrock Energy II LLC
Sep 20, 1983	219583	Drill	Mitchell	Westbrook, Southwest Unit #512	3,400	Final completion	33532546	Now Grayrock Energy II LLC
Jun 8, 1983	198588	Drill	Mitchell	Westbrook, Southwest Unit #242	3,400	Final completion	33532526	Now Grayrock Energy II LLC
Jun 8, 1983	198587	Drill	Mitchell	Westbrook, Southwest Unit #234	3,400	Final completion	33532528	Now Grayrock Energy II LLC
Jun 8, 1983	198584	Drill	Mitchell	Westbrook, Southwest Unit #235	3,400	Final completion	33532527	Now Grayrock Energy II LLC
May 23, 1983	195958	Drill	Mitchell	Westbrook Southwest Unit #511 W	3,400	Final completion	33532547	Now Grayrock Energy II LLC
Aug 17, 1982	169758	Drill	Mitchell	Westbrook, Southwest Unit #176	3,500	Final completion	33532353	Now Grayrock Energy II LLC
Aug 17, 1982	169755	Drill	Mitchell	Westbrook, Southwest Unit #205	3,500	Final completion	33532352	Now Grayrock Energy II LLC
Aug 17, 1982	169753	Drill	Mitchell	Westbrook, Southwest Unit #113A	3,500	Final completion	33532355	Now Grayrock Energy II LLC
Aug 12, 1982	169608	Drill	Mitchell	Westbrook, Southwest Unit #111A	3,500	Final completion	33532357	Now Grayrock Energy II LLC
Aug 12, 1982	169602	Drill	Mitchell	Westbrook, Southwest Unit #112A	3,500	Final completion	33532356	Now Grayrock Energy II LLC
Aug 11, 1982	168924	Drill	Mitchell	Westbrook, Southwest Unit #17	3,097	—	33500057	Now Grayrock Energy II LLC
Sep 15, 1981	135759	Drill	Mitchell	Westbrook Southwest Unit #1302	3,300	Final completion	33532090	Now Grayrock Energy II LLC
Aug 6, 1981	129100	Drill	Mitchell	Westbrook-Southwest Unit #425WI	3,300	—	33532092	Now Grayrock Energy II LLC
Aug 6, 1981	129098	Drill	Mitchell	Westbrook-Southwest Unit #423WI	3,300	—	33532086	Now Grayrock Energy II LLC
Aug 6, 1981	128909	Drill	Mitchell	Westbrook Southwest Unit #1906WI	3,300	Spudded	33532091	Now Grayrock Energy II LLC
Aug 4, 1981	128911	Drill	Mitchell	Westbrook Southwest Unit #425	3,300	Final completion	33532092	Now Grayrock Energy II LLC
Aug 4, 1981	128908	Drill	Mitchell	Westbrook Southwest Unit #1906	3,300	Final completion	33532091	Now Grayrock Energy II LLC
Aug 4, 1981	128907	Drill	Mitchell	Westbrook Southwest Unit #424	3,300	Final completion	33532087	Now Grayrock Energy II LLC
Aug 4, 1981	128906	Drill	Mitchell	Westbrook Southwest Unit #1006	3,300	Final completion	33532089	Now Grayrock Energy II LLC
Aug 4, 1981	128905	Drill	Mitchell	Westbrook Southwest Unit #426WI	3,300	—	33532088	Now Grayrock Energy II LLC
Aug 4, 1981	128904	Drill	Mitchell	Westbrook Southwest Unit #426	3,300	Final completion	33532088	Now Grayrock Energy II LLC
Aug 4, 1981	128898	Drill	Mitchell	Westbrook Southwest Unit #422	3,300	Final completion	33532093	Now Grayrock Energy II LLC
Aug 4, 1981	128844	Drill	Mitchell	Westbrook Southwest Unit #423	3,300	Final completion	33532086	Now Grayrock Energy II LLC
Jul 15, 1981	125223	Drill	Mitchell	Westbrook Southwest Unit #9 WS	550	—	33532059	—
Nov 9, 1979	63734	Drill	Mitchell	Westbrook Southwest Unit #10-21	3,350	Final completion	33531549	Now Grayrock Energy II LLC
Nov 9, 1979	63731	Drill	Mitchell	Westbrook, Southwest Unit #4-21	3,350	Final completion	33531543	Now Grayrock Energy II LLC
Oct 23, 1979	63479	Drill	Mitchell	Westbrook Southwest Unit #10-18	3,350	Final completion	33531546	Now Grayrock Energy II LLC
Oct 23, 1979	63478	Drill	Mitchell	Westbrook Southwest Unit #10-19	3,350	Final completion	33531547	Now Grayrock Energy II LLC
Oct 23, 1979	63475	Drill	Mitchell	Westbrook Southwest Unit #10-20	3,350	Final completion	33531548	Now Grayrock Energy II LLC
Oct 23, 1979	63473	Drill	Mitchell	Westbrook Southwest Unit #11-5	3,350	Final completion	33531544	Now Grayrock Energy II LLC
Oct 23, 1979	63470	Drill	Mitchell	Westbrook Southwest Unit #11-6	3,350	Final completion	33531545	Now Grayrock Energy II LLC
Oct 23, 1979	63468	Drill	Mitchell	Westbrook Southwest Unit #4-18	4,100	Final completion	33531540	Now Grayrock Energy II LLC
Oct 23, 1979	63466	Drill	Mitchell	Westbrook Southwest Unit #4-19	3,350	Final completion	33531541	Now Grayrock Energy II LLC
Oct 23, 1979	63463	Drill	Mitchell	Westbrook Southwest Unit #4-20	3,350	Final completion	33531542	Now Grayrock Energy II LLC
Sep 21, 1978	34189	Drill	Mitchell	Westbrook, S. W. Unit #10-16	3,250	Final completion	33531382	Now Grayrock Energy II LLC
Sep 21, 1978	34188	Drill	Mitchell	Westbrook, S. W. Unit #10-15	3,250	Final completion	33531377	Now Grayrock Energy II LLC
Sep 21, 1978	34187	Drill	Mitchell	Westbrook, S. W. Unit #4-17	3,250	Final completion	33531378	Now Grayrock Energy II LLC
Sep 21, 1978	34186	Drill	Mitchell	Westbrook, S. W. Unit #4-16	3,250	Final completion	33531379	Now Grayrock Energy II LLC
Sep 21, 1978	34178	Drill	Mitchell	Westbrook, S. W. Unit #21-6	3,250	Final completion	33531376	Now Grayrock Energy II LLC