OPERATORS · TEXAS · P-5 NUMBER 774720

Shell Western E&P Inc.

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 1536 Recompletion 579 Other 148 Reenter 10 Field transfer 1

71 FILINGS · 68 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jul 16, 1990	375384	Drill	Frio	Burns, Jane #3EH	7,852	Unsuccessful workover	16332777	Now Diamond Energy Services LP
Jul 16, 1990	375384Amendment	Drill	Frio	Burns, Jane #3EH	9,102	—	16332777	Now Diamond Energy Services LP
Jul 13, 1990	375274	Recompletion	Frio	Big Foot Olmos 'B' Sand Unit #408AHH	5,350	Final completion	16332337	Now Maverick Energy Group Inc.
Feb 17, 1987	326077	Recompletion	Frio	Webb Thompson "B" #23	3,693	Final completion	16300236	Now Diamond Energy Services LP
Mar 21, 1986	299946	Drill	Frio	Big Foot Olmos B Sand Unit #394A	4,000	—	16332512	—
Mar 21, 1986	299953	Drill	Frio	Big Foot Olmos B Sand Unit #404A	4,000	—	16332514	—
Mar 21, 1986	299950	Drill	Frio	Big Foot Olmos B Sand Unit #156A	4,000	—	16332513	—
Mar 12, 1986	299351	Drill	Frio	Big Foot Olmos B Sand Unit #163A	4,000	—	16332504	—
Mar 12, 1986	299388	Drill	Frio	Big Foot Olmos B Sand Unit #155A	4,000	Unsuccessful workover	16332509	Now Maverick Energy Group Inc.
Mar 12, 1986	299405	Drill	Frio	Big Foot Olmos B Sand Unit #130A	4,000	—	16332510	—
Mar 12, 1986	299384	Drill	Frio	Big Foot Olmos B Sand Unit #106A	4,000	—	16332506	—
Mar 12, 1986	299385	Drill	Frio	Big Foot Olmos B Sand Unit #88A	4,000	—	16332507	—
Mar 12, 1986	299387	Drill	Frio	Big Foot Olmos B Sand Unit #70A	4,000	—	16332508	—
Mar 10, 1986	299285	Drill	Frio	Big Foot Olmos B Sand Unit #163A I	4,000	Spudded	16332503	—
Mar 10, 1986	299288	Drill	Frio	Big Foot Olmos B Sand Unit #163A	4,000	Spudded	16332504	—
Mar 10, 1986	299982	Drill	Frio	Big Foot Olmos B Sand Unit #14A	4,000	—	16332515	—
Mar 4, 1986	298966	Drill	Frio	Big Foot Olmos B Sand Unit #79AI	4,000	Final completion	16332499	Now Maverick Energy Group Inc.
Mar 4, 1986	298966Amendment	Drill	Frio	Big Foot Olmos B Sand Unit #79AI	4,000	—	16332499	Now Maverick Energy Group Inc.
Mar 4, 1986	298965	Drill	Frio	Big Foot Olmos B Sand Unit #117I	4,000	—	16332498	—
Mar 4, 1986	298967	Drill	Frio	Big Foot Olmos B Sand Unit #97A I	4,000	—	16332500	—
Mar 3, 1986	298839	Drill	Frio	Big Foot Olmos B Sand Unit #227A	4,000	Final completion	16332496	Now Maverick Energy Group Inc.
Mar 3, 1986	298839Amendment	Drill	Frio	Big Foot Olmos B Sand Unit #227A	3,600	—	16332496	Now Maverick Energy Group Inc.
Feb 27, 1986	298685	Drill	Frio	Thompson, Dennis #14	4,000	Final completion	16332493	Now Watson Energy Investments LLC
Feb 27, 1986	298688	Drill	Frio	Big Foot Olmos B Sand Unit #298A	4,000	—	16332494	—
Feb 27, 1986	298689	Drill	Frio	Big Foot Olmos B Sand Unit #59AI	4,000	—	16332495	—
Feb 24, 1986	298306	Drill	Frio	Big Foot Olmos B Sand Unit #187A	4,000	Final completion	16332490	Now Maverick Energy Group Inc.
Feb 13, 1986	297669	Drill	Frio	Big Foot Olmos B Sand Unit #203A	4,000	Final completion	16332485	Now Maverick Energy Group Inc.
Feb 4, 1986	296852	Drill	Frio	Big Foot Olmos B Sand Unit #375A	4,000	Unsuccessful workover	16332482	Now Maverick Energy Group Inc.
Jan 31, 1986	296848	Drill	Frio	Big Foot Olmos B Sand Unit #59A	4,000	Final completion	16332479	Now Maverick Energy Group Inc.
Jan 31, 1986	296850	Drill	Frio	Big Foot Olmos B Sand Unit #79A	4,000	Final completion	16332480	Now Maverick Energy Group Inc.
Jan 31, 1986	296851	Drill	Frio	Big Foot Olmos B Sand Unit #344A	4,000	Final completion	16332481	Now Maverick Energy Group Inc.
Jan 30, 1986	296550	Drill	Frio	Big Foot Olmos B Sand Unit #406A	4,000	Final completion	16332478	Now Maverick Energy Group Inc.
Jan 23, 1986	296011	Drill	Frio	Big Foot Olmos B Sand Unit #97A	4,000	Final completion	16332474	Now Maverick Energy Group Inc.
Jan 23, 1986	296014	Drill	Frio	Big Foot Olmos B Sand Unit #311A	4,000	Final completion	16332475	Now Maverick Energy Group Inc.
Jan 23, 1986	296019	Drill	Frio	Big Foot Olmos B Sand Unit #376A	4,000	Final completion	16332476	Now Maverick Energy Group Inc.
Dec 12, 1985	292731	Drill	Frio	Rosenauer, Mattie #11	4,000	Long string casing	16332471	Now Watson Energy Investments LLC
Dec 12, 1985	292730	Drill	Frio	Thompson, Dennis #12	4,000	Final completion	16332470	Now Watson Energy Investments LLC
Dec 12, 1985	292717	Drill	Frio	Rosenauer, Mattie #12	4,000	Long string casing	16332469	Now Watson Energy Investments LLC
Dec 10, 1985	292379	Drill	Frio	Rosenauer, Mattie #15	4,000	Final completion	16332468	Now Watson Energy Investments LLC
Nov 27, 1985	291174	Drill	Frio	Rosenauer, Mattie #14	4,000	Final completion	16332463	Now Watson Energy Investments LLC
Nov 26, 1985	291120	Drill	Frio	Big Foot Olmos B Sand Unit #411 A	4,000	Long string casing	16332457	Now Maverick Energy Group Inc.
Nov 25, 1985	290989	Drill	Frio	Big Foot Olmos B Sand Unit #409A	4,000	Long string casing	16332456	Now Maverick Energy Group Inc.
Nov 22, 1985	291170	Drill	Frio	Thompson, Dennis #13	4,000	Long string casing	16332462	Now Watson Energy Investments LLC
Nov 22, 1985	291168	Drill	Frio	Rosenauer, Mattie #9	4,000	Long string casing	16332461	Now Watson Energy Investments LLC
Nov 22, 1985	291198	Drill	Frio	Rosenauer, Mattie #16	4,000	Final completion	16332465	Now Watson Energy Investments LLC
Nov 22, 1985	291167	Drill	Frio	Rosenauer, Mattie #10	4,000	Final completion	16332460	Now Watson Energy Investments LLC
Nov 22, 1985	291181	Drill	Frio	Rosenauer, Mattie #13	4,000	Final completion	16332464	Now Watson Energy Investments LLC
Nov 22, 1985	291121	Drill	Frio	Thompson, C. S. -A- #17	4,000	Long string casing	16332458	Now Maverick Energy Group Inc.
Nov 22, 1985	291122	Drill	Frio	Thompson, C. S. -A- #18	4,000	Final completion	16332459	Now Maverick Energy Group Inc.
Oct 8, 1985	286903	Other	Frio	Roche, Lucy #1	3,556	Final completion	16301747	—