OPERATORS · TEXAS · P-5 NUMBER 190468

Cross Timbers Operating Company

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 395 Recompletion 180 Reenter 2 Reclass 1

122 FILINGS · 114 PERMITS · PAGE 1 OF 3 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Mar 30, 2001	507219	Drill	Terry	Prentice Northeast Unit #523	7,315	Side one multi completion	44531961	Now Highmark Energy Operating LLC
Mar 30, 2001	507218	Drill	Terry	Prentice Northeast Unit #534	7,400	Final completion	44531962	Now Highmark Energy Operating LLC
Mar 20, 2001	506712	Drill	Terry	Prentice Northeast Unit #547	7,300	Final completion	44531958	Now Highmark Energy Operating LLC
Mar 20, 2001	506711	Drill	Terry	Prentice Northeast Unit #587	7,450	Side one multi completion	44531957	Now Highmark Energy Operating LLC
Mar 20, 2001	506710	Drill	Terry	Prentice Northeast Unit #589	7,450	Side one multi completion	44531956	Now Highmark Energy Operating LLC
Mar 20, 2001	506709	Drill	Terry	Prentice Northeast Unit #646	7,400	Side one multi completion	44531955	Now Highmark Energy Operating LLC
Mar 20, 2001	506708	Drill	Terry	Prentice Northeast Unit #590	7,380	Side one multi completion	44531954	Now Highmark Energy Operating LLC
Mar 20, 2001	506707	Drill	Terry	Prentice Northeast Unit #688	7,125	Side one multi completion	44531953	Now Highmark Energy Operating LLC
Mar 20, 2001	506706	Drill	Terry	Prentice Northeast Unit #724	7,300	Final completion	44531952	Now Highmark Energy Operating LLC
Mar 20, 2001	506705	Drill	Terry	Prentice Northeast Unit #299	7,450	Final completion	44531951	Now Highmark Energy Operating LLC
Aug 10, 2000	498305	Drill	Terry	Prentice Northeast Unit #502	7,425	Final completion	44531928	Now Highmark Energy Operating LLC
Aug 10, 2000	498304	Drill	Terry	Prentice Northeast Unit #684	7,125	Final completion	44531927	Now Highmark Energy Operating LLC
Jul 26, 2000	497641	Drill	Terry	Prentice Northeast Unit #584	7,365	Final completion	44531925	Now Highmark Energy Operating LLC
Jul 26, 2000	497640	Drill	Terry	Prentice Northeast Unit #564	7,420	Final completion	44531924	Now Highmark Energy Operating LLC
Jul 26, 2000	497639	Drill	Terry	Prentice Northeast Unit #532	7,365	Final completion	44531923	Now Highmark Energy Operating LLC
Jul 26, 2000	497638	Drill	Terry	Prentice Northeast Unit #280	7,440	Final completion	44531922	Now Highmark Energy Operating LLC
Mar 23, 2000	493276	Drill	Terry	Prentice Northeast Unit #552	7,270	Final completion	44531917	Now Highmark Energy Operating LLC
Mar 23, 2000	493275	Drill	Terry	Prentice Northeast Unit #585	7,365	Final completion	44531916	Now Highmark Energy Operating LLC
Mar 23, 2000	493274	Drill	Terry	Prentice Northeast Unit #296	7,300	Side one multi completion	44531915	Now Highmark Energy Operating LLC
Mar 23, 2000	493273	Drill	Terry	Prentice Northeast Unit #536	7,450	Side one multi completion	44531914	Now Highmark Energy Operating LLC
Mar 23, 2000	493271	Drill	Terry	Prentice Northeast Unit #577	7,315	Final completion	44531913	Now Highmark Energy Operating LLC
Oct 29, 1999	488989	Drill	Terry	Prentice Northeast Unit #295	7,400	Side one multi completion	44531890	Now Highmark Energy Operating LLC
Oct 29, 1999	488983	Drill	Terry	Prentice Northeast Unit #555	7,360	Side one multi completion	44531889	Now Highmark Energy Operating LLC
Oct 29, 1999	488982	Drill	Terry	Prentice Northeast Unit #594	7,450	Final completion	44531888	Now Highmark Energy Operating LLC
Oct 29, 1999	488577	Reclass	Terry	Prentice Northeast Unit #667	7,100	Final completion	44531723	Now Highmark Energy Operating LLC
Aug 23, 1999	486856	Recompletion	Terry	Prentice Northeast Unit #181HH	6,719	Final completion	44531311	Now Highmark Energy Operating LLC
Jul 27, 1999	486185	Drill	Terry	Prentice Northeast Unit #507	7,360	Final completion	44531882	Now Highmark Energy Operating LLC
Jul 27, 1999	486184	Drill	Terry	Prentice Northeast Unit #557	7,360	Side one multi completion	44531881	Now Highmark Energy Operating LLC
Jul 27, 1999	486183	Drill	Terry	Prentice Northeast Unit #592	7,360	Final completion	44531880	Now Highmark Energy Operating LLC
Jul 27, 1999	486182	Drill	Terry	Prentice Northeast Unit #575	7,360	Side one multi completion	44531879	Now Highmark Energy Operating LLC
Jul 27, 1999	486181	Drill	Terry	Prentice Northeast Unit #582	7,360	Side one multi completion	44531878	Now Highmark Energy Operating LLC
Aug 25, 1998	478797	Recompletion	Terry	Prentice Northeast Unit #154H	6,890	—	44531075	Now Highmark Energy Operating LLC
Sep 12, 1997	466920	Drill	Terry	Prentice Northeast Unit #554	7,400	Final completion	44531840	Now Highmark Energy Operating LLC
Sep 9, 1997	467326	Drill	Terry	Prentice Northeast Unit #287	7,400	Final completion	44531841	Now Highmark Energy Operating LLC
Aug 27, 1997	466721	Drill	Terry	Prentice Northeast Unit #614	7,400	Final completion	44531838	Now Highmark Energy Operating LLC
Aug 27, 1997	466720	Drill	Terry	Prentice Northeast Unit #529	7,400	Final completion	44531837	Now Highmark Energy Operating LLC
Aug 27, 1997	466719	Drill	Terry	Prentice Northeast Unit #273	7,400	Final completion	44531836	Now Highmark Energy Operating LLC
Aug 27, 1997	466718	Drill	Terry	Prentice Northeast Unit #263	7,400	Final completion	44531835	Now Highmark Energy Operating LLC
Aug 27, 1997	466717	Drill	Terry	Prentice Northeast Unit #262	7,400	Final completion	44531834	Now Highmark Energy Operating LLC
May 9, 1997	462046	Drill	Terry	Prentice Northeast Unit #592	7,400	—	44531880	Now Highmark Energy Operating LLC
May 9, 1997	462045	Drill	Terry	Prentice Northeast Unit #545	7,400	Final completion	44531819	Now Highmark Energy Operating LLC
May 9, 1997	462044	Drill	Terry	Prentice Northeast Unit #605	7,400	Final completion	44531818	Now Highmark Energy Operating LLC
May 9, 1997	462043	Drill	Terry	Prentice Northeast Unit #548	7,400	Final completion	44531817	Now Highmark Energy Operating LLC
May 9, 1997	462042	Drill	Terry	Prentice Northeast Unit #546	7,400	Final completion	44531816	Now Highmark Energy Operating LLC
Dec 2, 1996	455755	Drill	Terry	Prentice Northeast Unit #751	7,250	Final completion	44531804	Now Highmark Energy Operating LLC
Oct 21, 1996	454035	Drill	Terry	Prentice Northeast Unit #753	7,300	—	44531796	—
Oct 21, 1996	454034	Drill	Terry	Prentice Northeast Unit #747	7,150	—	44531795	—
Oct 21, 1996	454033	Drill	Terry	Prentice Northeast Unit #695	7,300	Final completion	44531802	Now Highmark Energy Operating LLC
Oct 21, 1996	454032	Drill	Terry	Prentice Northeast Unit #689	7,150	Final completion	44531801	Now Highmark Energy Operating LLC
Oct 21, 1996	454031	Drill	Terry	Prentice Northeast Unit #687	7,150	—	44531800	—