OPERATORS · TEXAS · P-5 NUMBER 223475

Dorchester Exploration, Inc.

WindowAll time 90 days 1 year 3 years 10 years

97 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jan 20, 1984	227621	Drill	Sterling	Terry 6 #4	7,335	—	43131955	Now Burk Royalty Co. Ltd.
Dec 19, 1983	230500	Recompletion	Sterling	Westbrook 27 #3	6,054	Final completion	43131007	Now American Cometra Inc.
Nov 16, 1983	220655	Drill	Sterling	Foster-Conger 5 #2A	7,650	Final completion	43131415	Now Burk Royalty Co. Ltd.
Sep 27, 1983	214736	Drill	Sterling	Terry 6 #3	8,950	Unsuccessful workover	43131356	Now Burk Royalty Co. Ltd.
Jul 25, 1983	205066	Drill	Sterling	Terry 6 #3	8,950	Final completion	43131356	Now Burk Royalty Co. Ltd.
Jun 29, 1983	199892	Drill	Sterling	Conger, F. 19 #4	8,850	Final completion	43131340	Now Burk Royalty Co. Ltd.
Nov 9, 1982	177691	Drill	Sterling	Terry 6 #4	7,460	—	43131955	Now Burk Royalty Co. Ltd.
Nov 9, 1982	177689	Drill	Sterling	Terry 6 #3	8,950	—	43131356	Now Burk Royalty Co. Ltd.
Oct 29, 1982	175914	Drill	Sterling	Terry 6 #5	8,850	Final completion	43131240	Now Range Production Company
Oct 21, 1982	174970	Drill	Sterling	Conger, F. 7 #3	7,500	—	43131951	Now Burk Royalty Co. Ltd.
Oct 21, 1982	174969	Drill	Sterling	Westbrook 33 #3	6,930	—	43131010	—
May 7, 1982	160264	Drill	Sterling	Conger, F. 19 #5	8,808	Final completion	43131139	Now Burk Royalty Co. Ltd.
Feb 17, 1982	151644	Drill	Sterling	Terry 6 #3	8,950	—	43131356	Now Burk Royalty Co. Ltd.
Jan 6, 1982	147247	Drill	Sterling	Terry 6 #4	7,460	—	43131955	Now Burk Royalty Co. Ltd.
Dec 21, 1981	144854	Drill	Sterling	Reynolds 2 #2	7,980	—	43131095	—
Dec 21, 1981	144853	Drill	Sterling	Reynolds 2 #3	8,060	—	43131094	—
Dec 16, 1981	144551	Drill	Sterling	Reynolds 3 #4	8,125	Final completion	43131089	Now Burk Royalty Co. Ltd.
Dec 7, 1981	142855	Drill	Sterling	Foster 8 #3	7,910	—	43131747	Now Burk Royalty Co. Ltd.
Dec 4, 1981	142755	Drill	Sterling	Conger F. 6 #4	9,060	Final completion	43131084	Now Burk Royalty Co. Ltd.
Dec 4, 1981	142736	Drill	Sterling	Westbrook 28 #3	8,685	—	43131083	—
Dec 4, 1981	142723	Drill	Sterling	Terry 15 #3	7,190	—	43131082	—
Nov 30, 1981	142014	Drill	Sterling	Westbrook 29 #3	8,830	Final completion	43131081	Now Burk Royalty Co. Ltd.
Nov 12, 1981	140440	Drill	Sterling	Terry 16 #4	7,340	—	43131071	—
Nov 12, 1981	140295	Drill	Sterling	Westbrook 32 #3	7,180	Final completion	43131069	Now EQT Production Texas LLC
Oct 29, 1981	138873	Drill	Sterling	Foster, R.T. 10 #4	7,860	—	43131061	—
Oct 29, 1981	138817	Drill	Sterling	Conger, F. 19 #4	8,900	—	43131060	—
Oct 29, 1981	138638	Drill	Sterling	Carper 12 #3	7,550	—	43131059	—
Oct 29, 1981	138634	Drill	Sterling	Foster, R.T. 10 #3	7,750	—	43131058	—
Oct 28, 1981	138517	Drill	Sterling	Foster 9 #4	7,800	Final completion	43131057	Now Burk Royalty Co. Ltd.
Oct 28, 1981	138497	Drill	Sterling	Foster 10 #1	9,090	Final completion	43131056	Now Burk Royalty Co. Ltd.
Oct 6, 1981	136187	Drill	Sterling	Foster, Lena 4 #3	7,975	Final completion	43131052	Now Burk Royalty Co. Ltd.
Sep 22, 1981	137399	Drill	Sterling	Terry 1 #1	148	—	43131039	—
Sep 11, 1981	132938	Drill	Sterling	Foster, R.T. 11 #3	7,560	Plugged dry hole (P&A)	43131042	—
Aug 31, 1981	131800	Drill	Sterling	Westbrook 29 #4	8,730	—	43131037	—
Aug 31, 1981	131798	Drill	Sterling	Conger, F. 30 #4	9,300	Final completion	43131036	Now Burk Royalty Co. Ltd.
Aug 27, 1981	131300	Drill	Sterling	Foster 5 #4	7,775	—	43131034	—
Aug 27, 1981	131299	Drill	Sterling	Foster 9 #3	—	Spudded	43131033	—
Aug 24, 1981	130845	Drill	Sterling	Westbrook 33 #4	6,930	—	43131028	—
Aug 24, 1981	130748	Drill	Sterling	Foster, R.T. 11 #4	7,625	Final completion	43131027	Now Burk Royalty Co. Ltd.
Aug 4, 1981	128430	Drill	Sterling	Reynolds 10 #2	7,842	—	43131456	Now Trek Resources Inc.
Jul 29, 1981	127563	Drill	Sterling	Foster 9 #3	7,886	Plugged dry hole (P&A)	43131020	—
Jul 29, 1981	127562	Drill	Sterling	Reynolds 10 #1	7,812	—	43131019	—
Jul 29, 1981	127560	Drill	Sterling	Reynolds 3 #3	7,890	Final completion	43131018	Now Burk Royalty Co. Ltd.
Jul 21, 1981	125958	Drill	Sterling	Terry 31 #4	8,625	Final completion	43131012	Now Range Production Company
Jul 21, 1981	125957	Drill	Sterling	Conger, F. 7 #3	7,500	—	43131951	Now Burk Royalty Co. Ltd.
Jul 21, 1981	125956	Drill	Sterling	Westbrook 33 #3	6,930	Final completion	43131010	—
Jul 14, 1981	125053	Drill	Sterling	Terry 18 #4	9,400	Final completion	43131008	Now Burk Royalty Co. Ltd.
Jul 9, 1981	124546	Drill	Sterling	Westbrook 27 #3	8,400	Final completion	43131007	Now American Cometra Inc.
Jul 9, 1981	124545	Drill	Sterling	Terry 7 #1	8,920	Final completion	43131006	Now Burk Royalty Co. Ltd.
Jul 9, 1981	124352	Drill	Sterling	Conger, F. 1 #4	8,780	Final completion	43131005	Now Burk Royalty Co. Ltd.