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

58 FILINGS · 49 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Dec 17, 1999	490471	Drill	Duval	Wernecke, Ernest D. East #1	18,500	—	13138361	Now Block T Petroleum Inc.
Dec 17, 1999	490471Amendment	Drill	Duval	Wernecke, Ernest D. East #1	18,500	—	13138361	Now Block T Petroleum Inc.
Sep 2, 1998	479201	Drill	Duval	Kilgore-Wernecke Gas Unit #3	17,200	Final completion	13138289	Now NI Energy LLC
Feb 19, 1998	473564	Drill	Duval	Weatherby, L.C. East #1	17,900	Final completion	13138236	Now NI Energy LLC
May 8, 1997	462136	Drill	Duval	Kilgore-Wernecke Gas Unit #2	17,200	Final completion	13138191	Now Block T Petroleum Inc.
Mar 11, 1997	459755	Drill	Duval	L.C. Weatherby Gas Unit #7	15,900	Final completion	13138174	Now NI Energy LLC
Jan 16, 1997	457421	Recompletion	Duval	Hubberd, A. R. "A" #4	11,700	—	13138023	Now NI Energy LLC
Jan 7, 1997	457083	Recompletion	Duval	Wernecke, E. D. #3	13,000	Final completion	13133004	Now NI Energy LLC
Dec 13, 1996	456322	Drill	Duval	Weatherby-Wernecke Gas Unit #8	11,750	Unperforated completion	13138158	Now EOG Resources Inc.
Nov 8, 1996	454956	Recompletion	Duval	Kilgore-Wernecke Gas Unit #1	16,250	Final completion	13137442	Now Block T Petroleum Inc.
Oct 15, 1996	453867	Recompletion	Duval	Hubberd-Frost Nat'l Bank G/U #3	13,960	—	13132929	Now NI Energy LLC
Aug 13, 1996	451456	Drill	Duval	Weatherby - Weatherby Gas Unit #5	16,500	Final completion	13138133	Now Block T Petroleum Inc.
Jul 31, 1996	450989	Recompletion	Duval	L. C. Weatherby Gas Unit #2	14,795	Final completion	13135119	Now Block T Petroleum Inc.
Sep 5, 1995	439571Amendment	Drill	Duval	Moore, D.M. #1	12,800	Plugged dry hole (P&A)	13138052	—
Jun 14, 1995	436873	Drill	Duval	Lloyd, F. B. #9	13,700	—	13138041	—
Jun 14, 1995	436873Amendment	Drill	Duval	Lloyd, F. B. #9	13,700	—	13138041	—
Jun 14, 1995	436873Amendment	Drill	Duval	Lloyd, F. B. #9	13,700	Plugged dry hole (P&A)	13138041	—
May 4, 1995	435511	Drill	Duval	Lloyd, F. B. #8	13,500	—	13138031	—
May 4, 1995	435511Amendment	Drill	Duval	Lloyd, F. B. #8	13,500	Plugged dry hole (P&A)	13138031	—
Mar 14, 1995	433779	Drill	Duval	Hubberd-Frost Nat'l Bank G/U #7	13,400	—	13138023	Now NI Energy LLC
Mar 14, 1995	433779Amendment	Drill	Duval	Hubberd-Frost Nat'l Bank G/U #7	13,400	Final completion	13138023	Now NI Energy LLC
Feb 3, 1995	431083	Drill	Duval	Lloyd, F. B. #7	13,400	Final completion	13138002	Now NI Energy LLC
Jan 27, 1995	432327	Drill	Duval	Frost National Bank #1	10,400	—	13138012	Now Rockdale Energy LLC
Jan 27, 1995	432327Amendment	Drill	Duval	Frost National Bank #1STH	10,400	Final completion	13138012	Now Rockdale Energy LLC
Dec 8, 1994	430780	Drill	Duval	Hubberd-Frost Nat'l Bank G/U #6	13,400	Final completion	13137998	Now Block T Petroleum Inc.
Jul 26, 1994	426301	Drill	Duval	Lloyd, F. B. #6	12,900	Spudded	13137957	Now EOG Resources Inc.
Jul 26, 1994	426301Amendment	Drill	Duval	Lloyd, F. B. #6	12,900	Final completion	13137957	Now EOG Resources Inc.
Jul 26, 1994	426300	Drill	Duval	Hubberd-Frost Nat'l Bank G/U #5	13,300	Final completion	13137958	Now NI Energy LLC
May 12, 1994	423879	Recompletion	Duval	Hubberd-Frost Nat'l Bank G/U #2	13,800	Final completion	13134481	Now Block T Petroleum Inc.
May 12, 1994	423878	Recompletion	Duval	Lloyd, F. B. #1	14,236	—	13132007	Now EOG Resources Inc.
Apr 13, 1992	398316	Recompletion	Duval	Weatherby - Wernecke Gas Unit #7	12,055	Final completion	13137291	Now NI Energy LLC
Apr 18, 1991	386899	Drill	Duval	Weatherby-Weatherby Gas Unit #4	16,000	—	13137477	Now Block T Petroleum Inc.
Apr 18, 1991	386899Amendment	Drill	Duval	Weatherby-Weatherby Gas Unit #4	17,000	Final completion	13137477	Now Block T Petroleum Inc.
Jan 9, 1991	383261	Drill	Duval	Weatherby - Weatherby Gas Unit #3	16,500	Final completion	13137448	Now Block T Petroleum Inc.
Dec 18, 1990	382493	Drill	Duval	Kilgore #1	16,800	Final completion	13137442	Now Block T Petroleum Inc.
Aug 31, 1990	377260	Drill	Duval	Weatherby, L. C. #A 6	10,200	Final completion	13137394	Now Block T Petroleum Inc.
Aug 31, 1990	377260Amendment	Drill	Duval	Weatherby, L. C. #A 6	9,800	—	13137394	Now Block T Petroleum Inc.
Jun 17, 1990	379569	Drill	Duval	Hubberd-Frost Nat. Bank Gas Unit #4	13,488	Final completion	13137414	Now Block T Petroleum Inc.
May 14, 1990	373222	Drill	Duval	Weatherby-Weatherby Gas Unit #2	20,000	Final completion	13137362	Now Block T Petroleum Inc.
Mar 19, 1990	370939	Drill	Duval	L. C. Weatherby Gas Unit #6	15,500	Final completion	13137341	Now Block T Petroleum Inc.
Nov 9, 1989	366169	Drill	Duval	Weatherby-Wernecke Gas Unit #7	12,300	Final completion	13137291	Now NI Energy LLC
Jul 28, 1989	362002	Drill	Duval	Weatherby - Wernecke Gas Unit #6	15,000	Final completion	13137255	Now EOG Resources Inc.
Apr 10, 1989	357887	Drill	Duval	L. C. Weatherby Gas Unit #5	15,500	Final completion	13137220	Now Block T Petroleum Inc.
Sep 14, 1988	351171	Drill	Duval	L. C. Weatherby Gas Unit #4	14,500	Final completion	13137153	Now Block T Petroleum Inc.
Feb 16, 1988	342692	Drill	Duval	Hubberd, A. R. "A" #3	15,500	Final completion	13137092	Now Block T Petroleum Inc.
Nov 23, 1987	339165	Drill	Duval	Weatherby-Wernecke Gas Unit #5	16,000	Final completion	13137067	Now NI Energy LLC
Sep 14, 1987	335720	Drill	Duval	A. R. Hubberd Gas Unit #4	12,500	Final completion	13137040	Now EOG Resources Inc.
May 19, 1987	330298	Drill	Duval	L. C. Weatherby Gas Unit #3	15,500	Final completion	13137012	Now Block T Petroleum Inc.
Apr 14, 1987	328869	Recompletion	Duval	Wernecke-Weatherby Gas Unit #1	15,345	Final completion	13132502	—
Jul 31, 1985	281609	Drill	Duval	Welder, J. F. Heirs "A" #2	11,100	Plugged dry hole (P&A)	13136765	—