NORTH ROBERTSON UNIT

Oil // district 11 // lease#65930

op: SABINAL ENERGY OPERATING, LLC

fields: ROBERTSON, N. (CLEAR FORK 7100)

cum_oil

25.6M BBL

cum_gas

0 MCF

wells

562

production

1993-01 — 2026-03

peak_month

1996-10

-- production_history

cum_oil: 25,647,754 BBL cum_gas: 0 MCF

-- decline_curve_analysis

104,986 BBL/mo

Di (annual)

4.2%

b-factor

0.0

EUR

26,365,211 BBL

R-squared

0.707

type

exponential

-- wells (562)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1706	42-165-37501	ENERGEN RESOURCES CORPORATION	1	7,500	2012-01-13
1891	42-165-37499	ENERGEN RESOURCES CORPORATION	2	7,500	2012-01-11
2008	42-165-37502	ENERGEN RESOURCES CORPORATION	1	7,500	2012-01-05
1111W	42-165-37484	ENERGEN RESOURCES CORPORATION	1	7,500	2011-10-10
4110W	42-165-37473	ENERGEN RESOURCES CORPORATION	1	7,500	2011-09-20
917W	42-165-37474	ENERGEN RESOURCES CORPORATION	1	7,500	2011-09-20
918W	42-165-37475	ENERGEN RESOURCES CORPORATION	1	7,500	2011-09-20
1022	42-165-37326	ENERGEN RESOURCES CORPORATION	1	7,500	2011-07-28
1109	42-165-37331	ENERGEN RESOURCES CORPORATION	1	7,500	2011-07-28
1110	42-165-37329	ENERGEN RESOURCES CORPORATION	1	7,500	2011-07-28
4109	42-165-37330	ENERGEN RESOURCES CORPORATION	1	7,500	2011-07-28
914	42-165-37333	ENERGEN RESOURCES CORPORATION	1	7,500	2011-07-28
915	42-165-37334	ENERGEN RESOURCES CORPORATION	1	7,500	2011-07-28
916	42-165-37332	ENERGEN RESOURCES CORPORATION	1	7,500	2011-07-28
2908	42-165-37382	ENERGEN RESOURCES CORPORATION	1	7,500	2011-06-07
1803	42-165-37381	ENERGEN RESOURCES CORPORATION	1	7,500	2011-06-02
2007	42-165-37328	ENERGEN RESOURCES CORPORATION	2	7,500	2011-04-01
1705	42-165-37336	ENERGEN RESOURCES CORPORATION	1	7,500	2011-03-09
1804W	42-165-37338	ENERGEN RESOURCES CORPORATION	1	7,500	2011-03-09
3904	42-165-37335	ENERGEN RESOURCES CORPORATION	1	7,500	2011-03-09
1023W	42-165-37304	ENERGEN RESOURCES CORPORATION	1	7,500	2011-02-07
1024W	42-165-37305	ENERGEN RESOURCES CORPORATION	1	7,500	2011-02-07
1025W	42-165-37306	ENERGEN RESOURCES CORPORATION	1	7,500	2011-02-07
1026W	42-165-37307	ENERGEN RESOURCES CORPORATION	1	7,500	2011-02-07
2906	42-165-37102	ENERGEN RESOURCES CORPORATION	1	7,500	2010-04-02
1019	42-165-37116	ENERGEN RESOURCES CORPORATION	1	7,500	2010-03-18
1020	42-165-37117	ENERGEN RESOURCES CORPORATION	1	7,500	2010-03-18
1021	42-165-37118	ENERGEN RESOURCES CORPORATION	1	7,500	2010-03-18
3559	42-165-37112	ENERGEN RESOURCES CORPORATION	1	7,500	2010-03-18
3560	42-165-37113	ENERGEN RESOURCES CORPORATION	1	7,500	2010-03-18
2006	42-165-37136	ENERGEN RESOURCES CORPORATION	1	7,500	2010-03-11
1206W	42-165-37137	ENERGEN RESOURCES CORPORATION	1	7,500	2010-03-09
2244	42-165-37135	ENERGEN RESOURCES CORPORATION	1	7,500	2010-03-09
1902W	42-165-37122	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-24
2121W	42-165-37121	ENERGEN RESOURCES CORPORATION	2	7,500	2010-02-24
2122W	42-165-37120	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-24
2904W	42-165-37119	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-24
3330W	42-165-37126	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-24
3558	42-165-37125	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-24
3561W	42-165-37124	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-24
3562W	42-165-37123	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-24
1609	42-165-37110	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-22
3557	42-165-37111	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-22
1605	42-165-37103	ENERGEN RESOURCES CORPORATION	1	7,500	2010-02-17
1607W	42-165-37105	ENERGEN RESOURCES CORPORATION	2	7,500	2010-02-17
1608W	42-165-37106	ENERGEN RESOURCES CORPORATION	2	7,500	2010-02-17
4105	42-165-35997	ENERGEN RESOURCES CORPORATION	2	7,500	2009-10-20
2001	42-165-02603	ENERGEN RESOURCES CORPORATION	1	7,500	2009-06-02
2001W	42-165-02603	ENERGEN RESOURCES CORPORATION	1	7,500	2009-06-02
220	42-165-36859	ENERGEN RESOURCES CORPORATION	1	7,900	2008-02-08
412	42-165-36860	ENERGEN RESOURCES CORPORATION	1	7,900	2008-02-08
3703	42-165-36858	ENERGEN RESOURCES CORPORATION	1	7,900	2008-01-11
3806	42-165-36853	ENERGEN RESOURCES CORPORATION	1	7,900	2008-01-11
2005	42-165-36851	ENERGEN RESOURCES CORPORATION	1	7,900	2008-01-08
316	42-165-36850	ENERGEN RESOURCES CORPORATION	1	7,900	2008-01-08
3556	42-165-36852	ENERGEN RESOURCES CORPORATION	1	7,900	2008-01-08
3556W	42-165-36852	ENERGEN RESOURCES CORPORATION	1	7,900	2008-01-08
17WS	42-165-36810	ENERGEN RESOURCES CORPORATION	1	200	2007-08-28
18WS	42-165-36811	ENERGEN RESOURCES CORPORATION	1	200	2007-08-28
19WS	42-165-36812	ENERGEN RESOURCES CORPORATION	1	200	2007-08-28
3610	42-165-36724	ENERGEN RESOURCES CORPORATION	1	7,500	2007-02-07
1016	42-165-36725	ENERGEN RESOURCES CORPORATION	1	7,500	2007-01-26
1017	42-165-36728	ENERGEN RESOURCES CORPORATION	1	7,500	2007-01-26
1018	42-165-36729	ENERGEN RESOURCES CORPORATION	1	7,500	2007-01-26
1108	42-165-36730	ENERGEN RESOURCES CORPORATION	1	7,500	2007-01-26
1108W	42-165-36730	ENERGEN RESOURCES CORPORATION	1	7,500	2007-01-26
4108	42-165-36732	ENERGEN RESOURCES CORPORATION	1	7,500	2007-01-26
913	42-165-36726	ENERGEN RESOURCES CORPORATION	1	7,500	2007-01-26
3805W	42-165-36723	ENERGEN RESOURCES CORPORATION	1	7,500	2007-01-24
3804	42-165-36717	ENERGEN RESOURCES CORPORATION	1	7,500	2007-01-18
1304	42-165-36516	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
1516W	42-165-36527	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
2239W	42-165-36524	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
2240W	42-165-36525	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
2242W	42-165-36526	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
2243	42-165-36523	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
2711W	42-165-36521	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
2810W	42-165-36522	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
3111W	42-165-36528	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
3112W	42-165-36518	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
3113W	42-165-36519	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
3114W	42-165-36520	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
3329W	42-165-36517	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-03
508	42-165-36512	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-02
1410	42-165-36515	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-01
2238	42-165-36510	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-01
2241	42-165-36513	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-01
3328	42-165-36511	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-01
912W	42-165-36509	ENERGEN RESOURCES CORPORATION	1	7,500	2006-03-01
3035W	42-165-36361	ENERGEN RESOURCES CORPORATION	1	7,500	2005-04-04
1205	42-165-36356	ENERGEN RESOURCES CORPORATION	1	7,500	2005-03-24
3031W	42-165-36357	ENERGEN RESOURCES CORPORATION	1	7,500	2005-03-24
3032W	42-165-36358	ENERGEN RESOURCES CORPORATION	1	7,500	2005-03-24
3033W	42-165-36360	ENERGEN RESOURCES CORPORATION	1	7,500	2005-03-24
3034W	42-165-36359	ENERGEN RESOURCES CORPORATION	1	7,500	2005-03-24
3218	42-165-36348	ENERGEN RESOURCES CORPORATION	1	7,500	2005-03-03
3219	42-165-36347	ENERGEN RESOURCES CORPORATION	1	7,500	2005-03-03
111W	42-165-36325	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-22
2808W	42-165-36332	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-22
506W	42-165-36336	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-22
2233	42-165-36334	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-18
2234	42-165-36333	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-18
2809	42-165-36331	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-18
3326	42-165-36337	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-18
3609W	42-165-36330	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-18
3702W	42-165-36329	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-18
411W	42-165-36321	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-18
709	42-165-36335	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-18
3327	42-165-36320	ENERGEN RESOURCES CORPORATION	1	7,500	2005-02-16
1409W	42-165-36210	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-27
2235W	42-165-36213	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-27
2236W	42-165-36214	ENERGEN RESOURCES CORPORATION	2	7,500	2004-09-27
3216W	42-165-36218	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-27
3217W	42-165-36219	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-27
3325W	42-165-36221	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-27
3608W	42-165-36224	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-27
707W	42-165-36232	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-27
313W	42-165-36227	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-24
3324W	42-165-36220	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-24
3551W	42-165-36222	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-24
3552W	42-165-36223	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-24
4107W	42-165-36225	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-24
1107W	42-165-36209	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-23
2119W	42-165-36211	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-23
2120W	42-165-36212	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-23
2237W	42-165-36215	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-23
2707W	42-165-36216	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-23
2807W	42-165-36217	ENERGEN RESOURCES CORPORATION	1	7,500	2004-09-23
110W	42-165-36130	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
1303	42-165-36139	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
219W	42-165-36133	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
2903	42-165-36145	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
3027	42-165-36144	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
3028	42-165-36143	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
3109	42-165-36141	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
3110	42-165-36142	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
315W	42-165-36135	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
3555	42-165-36137	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
708W	42-165-36129	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-17
1407	42-165-36140	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-15
218W	42-165-36134	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-15
312W	42-165-36132	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-15
314W	42-165-36131	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-15
3554	42-165-36138	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-15
3607	42-165-36136	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-15
3030	42-165-36127	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-02
3023W	42-165-36125	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-01
3024W	42-165-36122	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-01
3029	42-165-36121	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-01
606W	42-165-36123	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-01
607W	42-165-36124	ENERGEN RESOURCES CORPORATION	1	7,500	2004-03-01
1106	42-165-36088	ENERGEN RESOURCES CORPORATION	1	7,500	2003-12-19
2117	42-165-36091	ENERGEN RESOURCES CORPORATION	1	7,500	2003-12-19
2118	42-165-36090	ENERGEN RESOURCES CORPORATION	1	7,500	2003-12-19
2806	42-165-36085	ENERGEN RESOURCES CORPORATION	1	7,500	2003-12-19
3025	42-165-36086	ENERGEN RESOURCES CORPORATION	1	7,500	2003-12-19
3026	42-165-36087	ENERGEN RESOURCES CORPORATION	1	7,500	2003-12-19
3215	42-165-36089	ENERGEN RESOURCES CORPORATION	1	7,500	2003-12-19
4106	42-165-36084	ENERGEN RESOURCES CORPORATION	1	7,500	2003-12-19
911	42-165-36083	ENERGEN RESOURCES CORPORATION	1	7,500	2003-12-19
608	42-165-36060	ENERGEN RESOURCES CORPORATION	1	7,500	2003-11-13
1105	42-165-35998	ENERGEN RESOURCES CORPORATION	1	7,500	2003-06-20
2116	42-165-35993	ENERGEN RESOURCES CORPORATION	1	7,500	2003-06-20
2232	42-165-35992	ENERGEN RESOURCES CORPORATION	1	7,500	2003-06-20
2606	42-165-35995	ENERGEN RESOURCES CORPORATION	1	7,500	2003-06-20
2606W	42-165-35995	ENERGEN RESOURCES CORPORATION	1	7,500	2003-06-20
3021	42-165-36000	ENERGEN RESOURCES CORPORATION	1	7,500	2003-06-20
3022	42-165-35999	ENERGEN RESOURCES CORPORATION	1	7,500	2003-06-20
3323	42-165-36001	ENERGEN RESOURCES CORPORATION	1	7,500	2003-06-20
706	42-165-35994	ENERGEN RESOURCES CORPORATION	1	7,500	2003-06-20
1013	42-165-35936	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
1014	42-165-35941	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
109W	42-165-35942	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
217W	42-165-35943	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
2506	42-165-35949	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
2508W	42-165-35939	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
2709W	42-165-35938	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
311W	42-165-35940	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
3213	42-165-35937	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
3321	42-165-35946	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
3322	42-165-35945	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
3606	42-165-35944	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
908	42-165-35948	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
909	42-165-35947	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-31
1012	42-165-35922	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-27
108W	42-165-35920	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-27
216W	42-165-35921	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-27
2507W	42-165-35924	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-27
2708W	42-165-35923	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-27
410W	42-165-35925	ENERGEN RESOURCES CORPORATION	1	7,500	2003-01-27
1011R	42-165-35894	ENERGEN RESOURCES CORPORATION	1	7,500	2002-10-31
2229	42-165-35870	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-30
3549	42-165-35871	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-30
3549W	42-165-35871	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-30
106	42-165-35858	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
107	42-165-35857	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
2004	42-165-35849	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
2114	42-165-35852	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
2115	42-165-35853	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
214	42-165-35855	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
215	42-165-35856	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
2230	42-165-35866	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
2231	42-165-35847	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
2605	42-165-35860	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
2706	42-165-35864	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
2805	42-165-35861	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
3020	42-165-35865	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
309	42-165-35859	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
309W	42-165-35859	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
310	42-165-35854	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
310W	42-165-35854	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
3320	42-165-35851	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
3548	42-165-35868	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
3548W	42-165-35868	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
3550	42-165-35867	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
3550W	42-165-35867	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
3605	42-165-35848	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
3803	42-165-35869	ENERGEN RESOURCES CORPORATION	2	7,500	2002-07-29
605	42-165-35863	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
705	42-165-35862	ENERGEN RESOURCES CORPORATION	1	7,500	2002-07-29
105	42-165-35780	FIRST PERMIAN, L.L.C.	2	7,350	2001-07-27
1515W	42-165-35776	FIRST PERMIAN, L.L.C.	2	7,500	2001-07-27
213	42-165-35779	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-27
2505	42-165-35775	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-27
3543	42-165-35774	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-27
3546	42-165-35773	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-27
3547	42-165-35772	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-27
3547W	42-165-35772	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-27
409	42-165-35778	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-27
805	42-165-35777	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-27
3544	42-165-35771	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-20
3545	42-165-35770	FIRST PERMIAN, L.L.C.	1	7,350	2001-07-20
2113	42-165-35753	FIRST PERMIAN, L.L.C.	1	7,350	2001-05-30
408	42-165-35752	FIRST PERMIAN, L.L.C.	1	7,350	2001-05-30
1010	42-165-35587	FIRST PERMIAN, L.L.C.	1	7,350	2000-08-15
2112	42-165-35586	FIRST PERMIAN, L.L.C.	1	7,350	2000-08-15
407	42-165-35588	FIRST PERMIAN, L.L.C.	1	7,350	2000-08-15
211	42-165-35585	FIRST PERMIAN, L.L.C.	1	7,350	2000-07-27
212	42-165-35581	FIRST PERMIAN, L.L.C.	1	7,350	2000-07-27
3540	42-165-35582	FIRST PERMIAN, L.L.C.	1	7,350	2000-07-27
3541	42-165-35583	FIRST PERMIAN, L.L.C.	1	7,350	2000-07-27
3542	42-165-35584	FIRST PERMIAN, L.L.C.	1	7,350	2000-07-27
1514	42-165-35369	FINA OIL & CHEMICAL COMPANY	1	7,500	1998-09-28
3019	42-165-35367	FINA OIL & CHEMICAL COMPANY	1	7,500	1998-09-28
1511	42-165-35034	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-07-22
1512	42-165-35035	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-07-22
3018	42-165-35036	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-07-22
3538	42-165-35029	FINA OIL & CHEMICAL COMPANY	1	7,500	1996-06-28
3539W	42-165-35030	FINA OIL & CHEMICAL COMPANY	1	7,500	1996-06-28
3604	42-165-35031	FINA OIL & CHEMICAL COMPANY	1	7,500	1996-06-28
3537	42-165-35028	FINA OIL & CHEMICAL COMPANY	1	7,500	1996-06-25
3533	42-165-34970	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-14
3017	42-165-34966	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-12
3319	42-165-34967	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-12
3532	42-165-34968	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-12
3534	42-165-34972	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-12
3536W	42-165-34971	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-12
1509	42-165-34965	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-06
1510W	42-165-34969	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-06
2705	42-165-34963	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-06
3535	42-165-34973	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-06
505	42-165-34964	FINA OIL & CHEMICAL COMPANY	1	7,350	1996-03-06
1204	42-165-34217	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-15
3212	42-165-34218	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-15
3315	42-165-34216	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-15
3316	42-165-34224	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-15
3317	42-165-34219	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-15
3318	42-165-34220	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-15
3529	42-165-34222	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-15
3530	42-165-34223	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-15
3531	42-165-34221	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-15
293	42-165-34235	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-03
293W	42-165-34235	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-03
3691	42-165-34233	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-03
492	42-165-34234	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-03
492W	42-165-34234	FINA OIL & CHEMICAL COMPANY	1	7,500	1990-10-03
907	42-165-34100	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-09-19
2101	42-165-34097	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-08-31
3903	42-165-34095	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-08-31
4104	42-165-34096	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-08-31
1104	42-165-34093	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-08-30
1704	42-165-34092	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-08-30
2109	42-165-34094	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-08-30
2228	42-165-34091	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-08-18
1802	42-165-34082	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-07-27
3309	42-165-34080	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-07-24
3313	42-165-34079	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-07-24
906	42-165-34081	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-07-24
1203	42-165-34077	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-07-12
1604	42-165-34078	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-07-12
1508	42-165-34060	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-24
295	42-165-34057	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-24
295W	42-165-34057	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-24
3014	42-165-34061	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-24
3015	42-165-34058	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-24
3016	42-165-34056	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-24
4201	42-165-34059	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-24
4201W	42-165-34059	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-24
1593	42-165-34036	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-19
4203	42-165-34053	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-12
2902	42-165-34051	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-04-03
1406	42-165-34035	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
1701	42-165-34044	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
1701WI	42-165-34044	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
1703	42-165-34043	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
3013	42-165-34037	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
3106	42-165-34034	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
3107	42-165-34042	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
3108	42-165-34041	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
3211	42-165-34039	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
3312	42-165-34046	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
3314	42-165-34038	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-10
1302	42-165-34047	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-09
3105	42-165-34033	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-09
3210	42-165-34040	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-09
3310	42-165-34045	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-03-09
1103	42-165-34025	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-02-23
3311	42-165-34024	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-02-23
2110	42-165-34020	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-02-02
4103	42-165-34021	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-02-02
905	42-165-34019	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-02-02
2111	42-165-34018	FINA OIL & CHEMICAL COMPANY	1	7,350	1989-01-31
2226	42-165-33977	TENNECO OIL CO.	1	7,350	1988-06-15
3009	42-165-33979	TENNECO OIL CO.	1	7,350	1988-06-14
3524	42-165-33980	TENNECO OIL CO.	1	7,400	1988-06-14
3528	42-165-33981	TENNECO OIL CO.	1	7,400	1988-06-14
3202	42-165-02836	TEXAS PACIFIC OIL COMPANY, INC.	2	7,309	1988-06-03
1505	42-165-33962	TENNECO OIL CO.	1	7,350	1988-04-27
2225	42-165-33963	TENNECO OIL CO.	1	7,350	1988-04-27
3207	42-165-33960	TENNECO OIL CO.	1	7,350	1988-04-27
704	42-165-33961	TENNECO OIL CO.	1	7,350	1988-04-27
1507	42-165-33948	TENNECO OIL CO.	1	7,350	1988-03-28
2503	42-165-33949	TENNECO OIL CO.	1	7,350	1988-03-28
2804	42-165-33950	TENNECO OIL CO.	1	7,350	1988-03-28
3010	42-165-33951	TENNECO OIL CO.	1	7,350	1988-03-28
3012	42-165-33952	TENNECO OIL CO.	1	7,350	1988-03-28
504	42-165-33947	TENNECO OIL CO.	1	7,350	1988-03-28
1405	42-165-33928	TENNECO OIL CO.	1	7,350	1988-03-09
2217	42-165-33922	TENNECO OIL CO.	1	7,350	1988-03-09
2218	42-165-33923	TENNECO OIL CO.	1	7,400	1988-03-09
2219	42-165-33929	TENNECO OIL CO.	1	7,350	1988-03-09
2220	42-165-33921	TENNECO OIL CO.	1	7,350	1988-03-09
2221	42-165-33930	TENNECO OIL CO.	1	7,400	1988-03-09
2222	42-165-33924	TENNECO OIL CO.	1	7,350	1988-03-09
2224	42-165-33925	TENNECO OIL CO.	1	7,350	1988-03-09
2227	42-165-33926	TENNECO OIL CO.	1	7,350	1988-03-09
3208	42-165-33931	TENNECO OIL CO.	1	7,350	1988-03-09
3209	42-165-33927	TENNECO OIL CO.	1	7,350	1988-03-09
2703	42-165-33916	TENNECO OIL CO.	1	7,350	1988-03-04
2704	42-165-33917	TENNECO OIL CO.	1	7,350	1988-03-04
603	42-165-33915	TENNECO OIL CO.	2	7,350	1988-03-04
2803	42-165-33900	TENNECO OIL CO.	1	7,350	1988-02-19
503	42-165-33899	TENNECO OIL CO.	1	7,350	1988-02-10
703	42-165-33898	TENNECO OIL CO.	1	7,350	1988-02-10
2108	42-165-33880	TENNECO OIL CO.	1	7,400	1988-01-25
3520	42-165-33879	TENNECO OIL CO.	1	7,350	1988-01-25
1391	42-165-33878	TENNECO OIL CO.	1	7,350	1988-01-20
3517	42-165-33830	TENNECO OIL CO.	1	7,400	1987-12-29
3518	42-165-33832	TENNECO OIL CO.	1	7,400	1987-12-29
3519	42-165-33831	TENNECO OIL CO.	1	7,400	1987-12-29
2502	42-165-33814	TENNECO OIL CO.	1	7,350	1987-12-18
2504	42-165-33812	TENNECO OIL CO.	1	7,350	1987-12-18
2603	42-165-33817	TENNECO OIL CO.	1	7,350	1987-12-18
2604	42-165-33813	TENNECO OIL CO.	1	7,350	1987-12-18
305	42-165-33815	TENNECO OIL CO.	1	7,350	1987-12-18
306	42-165-33818	TENNECO OIL CO.	1	7,350	1987-12-18
307	42-165-33808	TENNECO OIL CO.	1	7,350	1987-12-18
308	42-165-33810	TENNECO OIL CO.	1	7,350	1987-12-18
405	42-165-33811	TENNECO OIL CO.	1	7,350	1987-12-18
406	42-165-33809	TENNECO OIL CO.	1	7,350	1987-12-18
604	42-165-33816	TENNECO OIL CO.	1	7,350	1987-12-18
1404	42-165-33760	TENNECO OIL CO.	1	7,309	1987-10-01
3011	42-165-33716	TENNECO OIL CO.	1	7,350	1987-09-08
3521	42-165-33712	TENNECO OIL CO.	1	7,400	1987-09-04
3523	42-165-33714	TENNECO OIL CO.	1	7,400	1987-09-04
3525	42-165-33713	TENNECO OIL CO.	1	7,400	1987-09-04
1591	42-165-33717	TENNECO OIL CO.	1	7,350	1987-08-31
2701WI	42-165-33715	TENNECO OIL CO.	1	7,350	1987-08-31
1491	42-165-33671	TENNECO OIL CO.	1	7,350	1987-07-31
1492	42-165-33672	TENNECO OIL CO.	1	7,350	1987-07-31
3294	42-165-33673	TENNECO OIL CO.	1	7,350	1987-07-31
3391	42-165-33670	TENNECO OIL CO.	1	7,350	1987-07-31
3394	42-165-33674	TENNECO OIL CO.	1	7,350	1987-07-31
3527	42-165-33668	TENNECO OIL CO.	1	7,350	1987-07-31
2223	42-165-33664	TENNECO OIL CO.	1	7,350	1987-07-16
210	42-165-33661	TENNECO OIL CO.	1	7,350	1987-07-15
103	42-165-33662	TENNECO OIL CO.	1	7,235	1987-07-14
208	42-165-33659	TENNECO OIL CO.	1	7,350	1987-07-14
209	42-165-33660	TENNECO OIL CO.	1	7,350	1987-07-14
803	42-165-33663	TENNECO OIL CO.	1	7,350	1987-07-14
1006	42-165-33606	TENNECO OIL CO.	1	7,235	1987-03-31
1007	42-165-33607	TENNECO OIL CO.	1	7,235	1987-03-31
1008	42-165-33608	TENNECO OIL CO.	1	7,400	1987-03-31
1009	42-165-33609	TENNECO OIL CO.	1	7,400	1987-03-31
804	42-165-33610	TENNECO OIL CO.	1	7,235	1987-03-31
104	42-165-33603	TENNECO OIL CO.	1	7,235	1987-03-25
3522	42-165-33604	TENNECO OIL CO.	1	7,400	1987-03-25
207	42-165-33599	TENNECO OIL CO.	1	7,400	1987-03-03
3701	42-165-03301	TENNECO OIL CO.	1	7,200	1986-08-13
3526	42-165-33669	TENNECO OIL CO.	2	7,500	1986-07-31
2209	42-165-32643	MOBIL PRODUCING TX. & N.M. INC.	1	7,400	1983-09-08
2209W	42-165-32643	MOBIL PRODUCING TX. & N.M. INC.	1	7,400	1983-09-08
2210	42-165-32645	MOBIL PRODUCING TX. & N.M. INC.	1	7,400	1983-09-08
2214	42-165-32646	MOBIL PRODUCING TX. & N.M. INC.	1	7,400	1983-09-08
2215	42-165-32644	MOBIL PRODUCING TX. & N.M. INC.	1	7,400	1983-09-08
1506	42-165-32375	NATIONAL COOP REFINERY ASSOC	1	7,300	1982-06-16
1005	42-165-31845	TENNECO OIL CO.	1	7,500	1980-07-31
701	42-165-31842	TENNECO OIL CO.	1	7,500	1980-07-31
702	42-165-31841	TENNECO OIL CO.	1	7,500	1980-07-31
702W	42-165-31841	TENNECO OIL CO.	1	7,500	1980-07-31
801	42-165-31844	TENNECO OIL CO.	1	7,500	1980-07-31
801W	42-165-31844	TENNECO OIL CO.	1	7,500	1980-07-31
802	42-165-31843	TENNECO OIL CO.	1	7,300	1980-07-31
3007	42-165-03274	EXXON CORP.	1	9,450	1979-10-04
3007W	42-165-03274	EXXON CORP.	1	9,450	1979-10-04
3401	42-165-31673	TRI-SERVICE DRILLING CO.	1	7,500	1979-09-25
301	42-165-02814	TENNECO OIL CO.	1	7,250	1979-05-09
302	42-165-02789	TENNECO OIL CO.	1	7,250	1979-05-09
303	42-165-02790	TENNECO OIL CO.	1	7,250	1979-05-09
3001	42-165-03277	EXXON CORP.	1	7,245	1977-07-19
1001	42-165-02745	--	--	--	--
1001W	42-165-02745	--	--	--	--
1002	42-165-02746	--	--	--	--
1002W	42-165-02746	--	--	--	--
1003	42-165-02753	--	--	--	--
1003W	42-165-02753	--	--	--	--
1004	42-165-02755	--	--	--	--
1004WI	42-165-02755	--	--	--	--
101	42-165-02809	--	--	--	--
102	42-165-02792	--	--	--	--
102W	42-165-02792	--	--	--	--
1101	42-165-02739	--	--	--	--
1101W	42-165-02739	--	--	--	--
1102	42-165-02740	--	--	--	--
1201	42-165-00875	--	--	--	--
1202	42-165-00872	--	--	--	--
1403	42-165-00874	--	--	--	--
1502	42-165-03219	--	--	--	--
1502W	42-165-03219	--	--	--	--
1504	42-165-03218	--	--	--	--
1601	42-165-02160	--	--	--	--
1702	42-165-03268	--	--	--	--
1702W	42-165-03268	--	--	--	--
1801	42-165-03267	--	--	--	--
1901	42-165-00365	--	--	--	--
2002	42-165-02601	--	--	--	--
2002W	42-165-02601	--	--	--	--
2003	42-165-02602	--	--	--	--
201	42-165-02816	--	--	--	--
202	42-165-02819	--	--	--	--
203	42-165-02817	--	--	--	--
204	42-165-02813	--	--	--	--
206	42-165-02791	--	--	--	--
2102	42-165-02120	--	--	--	--
2103	42-165-02096	--	--	--	--
2103WI	42-165-02096	--	--	--	--
2104	42-165-02091	--	--	--	--
2104WI	42-165-02091	--	--	--	--
2105	42-165-02093	--	--	--	--
2106	42-165-02094	--	--	--	--
2107	42-165-02095	--	--	--	--
2201	42-165-02606	--	--	--	--
2202	42-165-10119	--	--	--	--
2203	42-165-10088	--	--	--	--
2204	42-165-10317	--	--	--	--
2204W	42-165-10317	--	--	--	--
2205	42-165-10134	--	--	--	--
2205W	42-165-10134	--	--	--	--
2206	42-165-10012	--	--	--	--
2207	42-165-10114	--	--	--	--
2207W	42-165-10114	--	--	--	--
2208	42-165-10099	--	--	--	--
2208W	42-165-10099	--	--	--	--
2211	42-165-10081	--	--	--	--
2212	42-165-10133	--	--	--	--
2213	42-165-02604	--	--	--	--
2216	42-165-02605	--	--	--	--
2501	42-165-02974	--	--	--	--
2601	42-165-02976	--	--	--	--
2601WI	42-165-02976	--	--	--	--
2602	42-165-02975	--	--	--	--
2702	42-165-03048	--	--	--	--
2801	42-165-02978	--	--	--	--
2802	42-165-02977	--	--	--	--
2901	42-165-03213	--	--	--	--
3002	42-165-03278	--	--	--	--
3003	42-165-03273	--	--	--	--
3004	42-165-03272	--	--	--	--
3005	42-165-03276	--	--	--	--
3006	42-165-03275	--	--	--	--
3006W	42-165-03275	--	--	--	--
3008	42-165-03271	--	--	--	--
304	42-165-02810	--	--	--	--
304 W	42-165-02810	--	--	--	--
3101	42-165-00441	--	--	--	--
3102	42-165-00438	--	--	--	--
3103	42-165-00440	--	--	--	--
3104	42-165-00439	--	--	--	--
3201	42-165-02838	--	--	--	--
3203	42-165-02839	--	--	--	--
3203W	42-165-02839	--	--	--	--
3205	42-165-02840	--	--	--	--
3205W	42-165-02840	--	--	--	--
3206	42-165-02837	--	--	--	--
3302	42-165-02847	--	--	--	--
3303	42-165-02848	--	--	--	--
3305	42-165-02849	--	--	--	--
3306	42-165-02843	--	--	--	--
3306W	42-165-02843	--	--	--	--
3307	42-165-02845	--	--	--	--
3307W	42-165-02845	--	--	--	--
3308	42-165-02844	--	--	--	--
3501	42-165-02617	--	--	--	--
3502	42-165-10318	--	--	--	--
3502W	42-165-10318	--	--	--	--
3503	42-165-10319	--	--	--	--
3504	42-165-10315	--	--	--	--
3504W	42-165-10315	--	--	--	--
3505	42-165-02616	--	--	--	--
3506	42-165-10040	--	--	--	--
3507	42-165-10098	--	--	--	--
3508	42-165-10038	--	--	--	--
3509	42-165-02615	--	--	--	--
3510	42-165-10145	--	--	--	--
3510WI	42-165-10145	--	--	--	--
3511	42-165-10014	--	--	--	--
3512	42-165-10100	--	--	--	--
3512W	42-165-10100	--	--	--	--
3513	42-165-02612	--	--	--	--
3513WI	42-165-02612	--	--	--	--
3514	42-165-02613	--	--	--	--
3514W	42-165-02613	--	--	--	--
3515	42-165-02614	--	--	--	--
3516	42-165-01709	--	--	--	--
3602	42-165-03300	--	--	--	--
3602W	42-165-03300	--	--	--	--
3603	42-165-03302	--	--	--	--
3802	42-165-10265	--	--	--	--
3802W	42-165-10265	--	--	--	--
4001	42-165-10293	--	--	--	--
401	42-165-02812	--	--	--	--
401WI	42-165-02812	--	--	--	--
402	42-165-02830	--	--	--	--
403	42-165-02811	--	--	--	--
403W	42-165-02811	--	--	--	--
404	42-165-02815	--	--	--	--
4101	42-165-03280	--	--	--	--
4102	42-165-03281	--	--	--	--
4202	42-165-00870	--	--	--	--
501	42-165-10103	--	--	--	--
502	42-165-02738	--	--	--	--
502W	42-165-02738	--	--	--	--
601	42-165-02737	--	--	--	--
601W	42-165-02737	--	--	--	--
602	42-165-02736	--	--	--	--
6504W	42-165-10315	--	--	--	--
901	42-165-02742	--	--	--	--
902	42-165-02743	--	--	--	--
902W	42-165-02743	--	--	--	--
903	42-165-02754	--	--	--	--
903W	42-165-02754	--	--	--	--
904	42-165-02744	--	--	--	--