SHACKELFORD SPRABERRY UNIT

Oil · District 08 · Lease #18187

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

36.3M BBL

Cum Gas

103.7M MCF

casinghead

Wells

637

Production

1993-01 — 2026-04

Peak Month

1997-10

Production History

Cum Oil: 36,301,688 BBL Cum Gas: 103,719,424 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

240,258 BBL/mo

Di (annual)

15.2%

b-factor

0.4

EUR

27,671,018 BBL

R-squared

0.669

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo

1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo

1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (637)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3907H	42-329-47495	PIONEER NATURAL RES. USA, INC.	1	8,875	2024-11-12
3908H	42-329-47496	PIONEER NATURAL RES. USA, INC.	1	8,875	2024-11-12
301H	42-329-47353	PIONEER NATURAL RES. USA, INC.	1	8,765	2024-09-04
304H	42-329-47354	PIONEER NATURAL RES. USA, INC.	1	8,765	2024-09-04
307H	42-329-47355	PIONEER NATURAL RES. USA, INC.	2	8,765	2024-09-04
3104H	42-329-47356	PIONEER NATURAL RES. USA, INC.	1	8,765	2024-09-04
4106H	42-329-45245	PIONEER NATURAL RES. USA, INC.	1	8,520	2021-10-28
4107H	42-329-45247	PIONEER NATURAL RES. USA, INC.	1	8,520	2021-10-28
4108H	42-329-45248	PIONEER NATURAL RES. USA, INC.	2	8,520	2021-10-28
4101H	42-329-45237	PIONEER NATURAL RES. USA, INC.	1	8,520	2021-10-20
4102H	42-329-45238	PIONEER NATURAL RES. USA, INC.	1	8,520	2021-10-20
4103H	42-329-45239	PIONEER NATURAL RES. USA, INC.	1	8,520	2021-10-20
4104H	42-329-45242	PIONEER NATURAL RES. USA, INC.	1	8,520	2021-10-20
4105H	42-329-45243	PIONEER NATURAL RES. USA, INC.	1	8,520	2021-10-20
3901H	42-329-44652	PIONEER NATURAL RES. USA, INC.	1	8,685	2021-02-05
3902H	42-329-44654	PIONEER NATURAL RES. USA, INC.	1	8,685	2021-02-05
3903H	42-329-44655	PIONEER NATURAL RES. USA, INC.	1	8,685	2021-02-05
3904H	42-329-44541	PIONEER NATURAL RES. USA, INC.	1	8,685	2020-12-04
3905H	42-329-44542	PIONEER NATURAL RES. USA, INC.	1	8,685	2020-12-04
3906H	42-329-44543	PIONEER NATURAL RES. USA, INC.	1	8,685	2020-12-04
102D	42-329-39559	PIONEER NATURAL RES. USA, INC.	1	5,300	2014-07-30
182D	42-329-39324	PIONEER NATURAL RES. USA, INC.	2	5,200	2014-05-15
3002H	42-329-38996	PIONEER NATURAL RES. USA, INC.	1	8,500	2014-01-14
3001H	42-329-38991	PIONEER NATURAL RES. USA, INC.	1	8,762	2013-12-20
0101H	42-329-38911	PIONEER NATURAL RES. USA, INC.	1	8,475	2013-10-25
0102H	42-329-38912	PIONEER NATURAL RES. USA, INC.	1	8,174	2013-10-25
6840A	42-329-36016	PIONEER NATURAL RES. USA, INC.	2	9,500	2008-08-20
6838A	42-329-36014	PIONEER NATURAL RES. USA, INC.	1	9,500	2008-07-25
4916A	42-329-36012	PIONEER NATURAL RES. USA, INC.	1	9,500	2008-07-24
4917A	42-329-36011	PIONEER NATURAL RES. USA, INC.	1	9,500	2008-07-24
6837A	42-329-36013	PIONEER NATURAL RES. USA, INC.	1	9,500	2008-07-24
6839A	42-329-36015	PIONEER NATURAL RES. USA, INC.	1	9,500	2008-07-24
5705A	42-329-35249	PIONEER NATURAL RES. USA, INC.	1	9,000	2005-03-21
1911A	42-329-35242	PIONEER NATURAL RES. USA, INC.	1	9,500	2005-03-18
4915A	42-329-35251	PIONEER NATURAL RES. USA, INC.	1	9,000	2005-02-09
4913A	42-329-35207	PIONEER NATURAL RES. USA, INC.	2	9,000	2005-02-08
2010A	42-329-35239	PIONEER NATURAL RES. USA, INC.	1	9,500	2005-01-27
6920A	42-329-35241	PIONEER NATURAL RES. USA, INC.	1	9,500	2005-01-27
6704A	42-329-35238	PIONEER NATURAL RES. USA, INC.	1	9,500	2005-01-26
4505A	42-329-35224	PIONEER NATURAL RES. USA, INC.	1	9,000	2005-01-14
4308A	42-329-35213	PIONEER NATURAL RES. USA, INC.	1	9,000	2005-01-06
4208A	42-329-35210	PIONEER NATURAL RES. USA, INC.	1	9,000	2004-12-31
4307A	42-329-35057	PIONEER NATURAL RES. USA, INC.	1	9,000	2004-03-22
4404A	42-329-35062	PIONEER NATURAL RES. USA, INC.	1	9,000	2004-02-20
6115A	42-329-35064	PIONEER NATURAL RES. USA, INC.	1	9,000	2004-02-20
4504A	42-329-35055	PIONEER NATURAL RES. USA, INC.	1	9,000	2004-01-29
6217A	42-329-35056	PIONEER NATURAL RES. USA, INC.	1	9,100	2004-01-29
4604A	42-329-35027	PIONEER NATURAL RES. USA, INC.	2	9,050	2003-12-30
6216A	42-329-35018	PIONEER NATURAL RES. USA, INC.	1	9,100	2003-12-12
6304A	42-329-35017	PIONEER NATURAL RES. USA, INC.	1	9,100	2003-12-12
6407A	42-329-35015	PIONEER NATURAL RES. USA, INC.	1	9,100	2003-12-12
6408A	42-329-35016	PIONEER NATURAL RES. USA, INC.	1	9,100	2003-12-12
402	42-329-01230	PIONEER NATURAL RES. USA, INC.	2	11,700	2002-01-08
1505A	42-329-34436	PIONEER NATURAL RES. USA, INC.	1	8,800	2000-12-06
169A	42-329-34435	PIONEER NATURAL RES. USA, INC.	1	8,880	2000-12-06
225A	42-329-34432	PIONEER NATURAL RES. USA, INC.	1	8,930	2000-12-06
226A	42-329-34434	PIONEER NATURAL RES. USA, INC.	1	8,930	2000-12-06
2107A	42-329-34433	PIONEER NATURAL RES. USA, INC.	1	8,880	2000-11-10
2108A	42-329-34437	PIONEER NATURAL RES. USA, INC.	1	8,900	2000-11-10
7313A	42-329-34394	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-11-09
7316A	42-329-34395	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-11-09
7508A	42-329-34397	PIONEER NATURAL RES. USA, INC.	1	9,150	2000-11-09
7217A	42-329-34393	PIONEER NATURAL RES. USA, INC.	1	9,080	2000-10-10
7315A	42-329-34396	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-10-10
2708A	42-329-34357	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-10-04
2206A	42-329-34376	PIONEER NATURAL RES. USA, INC.	1	8,930	2000-09-22
6834A	42-329-34375	PIONEER NATURAL RES. USA, INC.	1	9,080	2000-09-22
6835A	42-329-34377	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-09-22
5015A	42-329-34354	PIONEER NATURAL RES. USA, INC.	1	9,150	2000-09-14
7108A	42-329-34332	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-08-29
4114A	42-329-34345	PIONEER NATURAL RES. USA, INC.	1	9,100	2000-08-25
4115A	42-329-34333	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-08-16
5115A	42-329-34344	PIONEER NATURAL RES. USA, INC.	1	9,080	2000-08-01
5116A	42-329-34334	PIONEER NATURAL RES. USA, INC.	1	9,080	2000-07-21
6915A	42-329-34335	PIONEER NATURAL RES. USA, INC.	1	9,100	2000-07-21
6916A	42-329-34336	PIONEER NATURAL RES. USA, INC.	1	9,100	2000-07-21
7010A	42-329-34337	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-07-21
2446A	42-329-34328	PIONEER NATURAL RES. USA, INC.	1	9,000	2000-07-12
6612A	42-329-34327	PIONEER NATURAL RES. USA, INC.	1	9,050	2000-06-29
6917A	42-329-34325	PIONEER NATURAL RES. USA, INC.	1	9,050	2000-06-29
6918A	42-329-34326	PIONEER NATURAL RES. USA, INC.	1	9,080	2000-06-29
2707A	42-329-34282	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-04-06
2444A	42-329-34275	PIONEER NATURAL RES. USA, INC.	1	9,080	2000-03-30
168A	42-329-34278	PIONEER NATURAL RES. USA, INC.	1	8,880	2000-03-29
1910A	42-329-34277	PIONEER NATURAL RES. USA, INC.	1	8,880	2000-03-29
224A	42-329-34276	PIONEER NATURAL RES. USA, INC.	1	8,930	2000-03-29
5204A	42-329-34272	PIONEER NATURAL RES. USA, INC.	1	9,150	2000-03-29
6833A	42-329-34271	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-03-29
7009A	42-329-34270	PIONEER NATURAL RES. USA, INC.	1	9,130	2000-03-29
7216A	42-329-34269	PIONEER NATURAL RES. USA, INC.	1	9,080	2000-03-29
4113A	42-329-34274	PIONEER NATURAL RES. USA, INC.	2	9,130	2000-03-17
5014A	42-329-34273	PIONEER NATURAL RES. USA, INC.	1	9,180	2000-03-16
3607A	42-329-34281	PIONEER NATURAL RES. USA, INC.	1	8,880	2000-03-15
6611A	42-329-34268	PIONEER NATURAL RES. USA, INC.	1	9,050	2000-02-29
2106A	42-329-34263	PIONEER NATURAL RES. USA, INC.	1	8,880	2000-02-23
5114A	42-329-34264	PIONEER NATURAL RES. USA, INC.	1	9,080	2000-02-23
7215A	42-329-34243	PIONEER NATURAL RES. USA, INC.	2	9,200	2000-02-14
1716A	42-329-34252	PIONEER NATURAL RES. USA, INC.	1	8,925	2000-02-10
2445A	42-329-34253	PIONEER NATURAL RES. USA, INC.	1	9,050	2000-02-10
7404A	42-329-34236	PIONEER NATURAL RES. USA, INC.	1	9,125	2000-01-14
1715A	42-329-34233	PIONEER NATURAL RES. USA, INC.	1	8,850	2000-01-07
3503A	42-329-34232	PIONEER NATURAL RES. USA, INC.	1	8,850	2000-01-07
3504A	42-329-34234	PIONEER NATURAL RES. USA, INC.	1	8,875	2000-01-07
2441A	42-329-34228	PIONEER NATURAL RES. USA, INC.	1	9,025	1999-12-29
7008A	42-329-34238	PIONEER NATURAL RES. USA, INC.	1	9,100	1999-12-21
2443A	42-329-34237	PIONEER NATURAL RES. USA, INC.	1	9,100	1999-12-17
4008A	42-329-34227	PIONEER NATURAL RES. USA, INC.	1	9,090	1999-12-03
2442A	42-329-34222	PIONEER NATURAL RES. USA, INC.	1	9,100	1999-11-23
6829A	42-329-34223	PIONEER NATURAL RES. USA, INC.	1	9,100	1999-11-23
1005A	42-329-34207	PIONEER NATURAL RES. USA, INC.	1	9,100	1999-10-18
222A	42-329-34208	PIONEER NATURAL RES. USA, INC.	1	9,030	1999-10-18
223A	42-329-34209	PIONEER NATURAL RES. USA, INC.	1	9,050	1999-10-18
2604A	42-329-34206	PIONEER NATURAL RES. USA, INC.	1	9,230	1999-10-18
314A	42-329-34091	PIONEER NATURAL RES. USA, INC.	2	8,850	1999-10-18
1104A	42-329-34198	PIONEER NATURAL RES. USA, INC.	1	9,050	1999-10-11
2304A	42-329-34199	PIONEER NATURAL RES. USA, INC.	1	8,950	1999-10-11
167A	42-329-34203	PIONEER NATURAL RES. USA, INC.	2	9,000	1999-09-23
2517A	42-329-34205	PIONEER NATURAL RES. USA, INC.	2	9,100	1999-09-23
6610A	42-329-34204	PIONEER NATURAL RES. USA, INC.	2	9,200	1999-09-23
4007A	42-329-34196	PIONEER NATURAL RES. USA, INC.	1	8,900	1999-09-16
6830A	42-329-34197	PIONEER NATURAL RES. USA, INC.	2	9,200	1999-09-16
6831A	42-329-34195	PIONEER NATURAL RES. USA, INC.	2	9,200	1999-09-15
3912A	42-329-34192	PIONEER NATURAL RES. USA, INC.	1	8,950	1999-09-08
5113A	42-329-34191	PIONEER NATURAL RES. USA, INC.	1	9,000	1999-09-08
2440A	42-329-34187	PIONEER NATURAL RES. USA, INC.	2	9,100	1999-09-03
6832A	42-329-34186	PIONEER NATURAL RES. USA, INC.	2	9,230	1999-09-03
716 A	42-329-31854	PIONEER NATURAL RES. USA, INC.	2	11,200	1998-08-12
2439A	42-329-33954	PIONEER NATURAL RES. USA, INC.	1	8,900	1997-11-21
2516A	42-329-33907	PIONEER NATURAL RES. USA, INC.	1	9,000	1997-10-14
7007A	42-329-33893	PIONEER NATURAL RES. USA, INC.	1	9,075	1997-10-08
7507A	42-329-33892	PIONEER NATURAL RES. USA, INC.	1	9,100	1997-10-08
7214A	42-329-33894	PIONEER NATURAL RES. USA, INC.	1	9,050	1997-10-01
2438A	42-329-33883	PIONEER NATURAL RES. USA, INC.	1	9,050	1997-09-26
3707A	42-329-33884	PIONEER NATURAL RES. USA, INC.	1	8,975	1997-09-26
3805A	42-329-33886	PIONEER NATURAL RES. USA, INC.	1	9,000	1997-09-26
3911A	42-329-33885	PIONEER NATURAL RES. USA, INC.	1	9,075	1997-09-26
608A	42-329-33846	PIONEER NATURAL RES. USA, INC.	1	8,850	1997-08-29
166A	42-329-33840	PIONEER NATURAL RES. USA, INC.	1	8,800	1997-08-20
221A	42-329-33839	PIONEER NATURAL RES. USA, INC.	1	8,875	1997-08-20
5304A	42-329-33841	PIONEER NATURAL RES. USA, INC.	1	9,150	1997-08-20
2515AR	42-329-33844	PIONEER NATURAL RES. USA, INC.	1	8,950	1997-07-29
6914A	42-329-33845	PIONEER NATURAL RES. USA, INC.	1	9,075	1997-07-29
1207A	42-329-33788	PIONEER NATURAL RES. USA, INC.	1	9,030	1997-07-22
2105A	42-329-33789	PIONEER NATURAL RES. USA, INC.	1	8,860	1997-07-22
4804A	42-329-33796	PIONEER NATURAL RES. USA, INC.	1	8,875	1997-07-22
6215A	42-329-33797	PIONEER NATURAL RES. USA, INC.	1	8,900	1997-07-22
804A	42-329-33787	PIONEER NATURAL RES. USA, INC.	1	8,925	1997-07-22
904A	42-329-33791	PIONEER NATURAL RES. USA, INC.	1	8,975	1997-07-22
2434A	42-329-33744	PIONEER NATURAL RES. USA, INC.	1	9,100	1997-06-10
2437A	42-329-33744	PIONEER NATURAL RES. USA, INC.	1	9,100	1997-06-10
4603A	42-329-33754	PIONEER NATURAL RES. USA, INC.	1	8,850	1997-06-09
715A	42-329-33755	PIONEER NATURAL RES. USA, INC.	1	8,950	1997-06-09
2009A	42-329-33747	PIONEER NATURAL RES. USA, INC.	1	8,900	1997-06-06
2435A	42-329-33749	PIONEER NATURAL RES. USA, INC.	1	9,100	1997-06-06
2436A	42-329-33750	PIONEER NATURAL RES. USA, INC.	1	8,900	1997-06-06
3910A	42-329-33748	PIONEER NATURAL RES. USA, INC.	1	9,050	1997-06-06
607A	42-329-33745	PIONEER NATURAL RES. USA, INC.	1	8,900	1997-06-06
6114A	42-329-33710	PIONEER NATURAL RES. USA, INC.	1	8,850	1997-06-03
1313A	42-329-33740	PIONEER NATURAL RES. USA, INC.	1	8,800	1997-06-02
164	42-329-33741	PIONEER NATURAL RES. USA, INC.	2	8,950	1997-06-02
164A	42-329-33741	PIONEER NATURAL RES. USA, INC.	2	8,950	1997-06-02
165A	42-329-33742	PIONEER NATURAL RES. USA, INC.	1	8,850	1997-06-02
4911A	42-329-33739	PIONEER NATURAL RES. USA, INC.	1	8,900	1997-06-02
5013A	42-329-33712	PIONEER NATURAL RES. USA, INC.	2	9,050	1997-05-22
6609A	42-329-33708	PIONEER NATURAL RES. USA, INC.	1	8,950	1997-05-22
6827A	42-329-33711	PIONEER NATURAL RES. USA, INC.	1	9,050	1997-05-22
6828A	42-329-33709	PIONEER NATURAL RES. USA, INC.	1	9,100	1997-05-22
163A	42-329-33725	PIONEER NATURAL RES. USA, INC.	1	8,850	1997-05-21
714A	42-329-33758	PIONEER NATURAL RES. USA, INC.	1	8,950	1997-05-20
162A	42-329-33713	PIONEER NATURAL RES. USA, INC.	1	8,800	1997-05-13
4802 A	42-329-33620	PIONEER NATURAL RES. USA, INC.	1	8,875	1996-11-21
1409A	42-329-33565	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-10-28
3404 A	42-329-33566	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-10-28
4503A	42-329-33603	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-10-16
1714A	42-329-33564	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-10-15
4909 A	42-329-33556	PIONEER NATURAL RES. USA, INC.	2	9,500	1996-10-15
4910A	42-329-33557	PIONEER NATURAL RES. USA, INC.	2	9,500	1996-10-15
7107A	42-329-33540	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-10-15
220A	42-329-33534	PIONEER NATURAL RES. USA, INC.	2	9,500	1996-10-08
6826A	42-329-33539	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-10-08
6913A	42-329-33541	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-10-08
7213A	42-329-33538	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-10-08
7314A	42-329-33537	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-10-08
4502A	42-329-33593	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-10-01
4602 A	42-329-33577	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-09-19
4602A	42-329-33577	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-09-19
161	42-329-30797	PIONEER NATURAL RES. USA, INC.	3	11,500	1996-09-17
1804A	42-329-33555	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-09-09
2514A	42-329-33554	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-09-09
3604A	42-329-33559	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-09-09
3603 A	42-329-33551	PIONEER NATURAL RES. USA, INC.	1	8,825	1996-09-05
3605A	42-329-33546	PIONEER NATURAL RES. USA, INC.	1	8,875	1996-09-04
4402A	42-329-33547	PIONEER NATURAL RES. USA, INC.	1	8,825	1996-09-04
4703	42-329-33545	PIONEER NATURAL RES. USA, INC.	1	8,275	1996-09-04
4704	42-329-33527	PIONEER NATURAL RES. USA, INC.	1	8,300	1996-08-15
160 A	42-329-33523	PIONEER NATURAL RES. USA, INC.	1	9,000	1996-08-07
313A	42-329-33520	PIONEER NATURAL RES. USA, INC.	1	9,000	1996-08-07
3606A	42-329-33521	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-08-07
4112A	42-329-33522	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-08-07
5112A	42-329-33519	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-08-07
6214A	42-329-33518	PIONEER NATURAL RES. USA, INC.	1	9,500	1996-08-07
1713A	42-329-33506	PIONEER NATURAL RES. USA, INC.	1	8,900	1996-07-17
7212A	42-329-33507	PIONEER NATURAL RES. USA, INC.	1	9,050	1996-07-17
7312A	42-329-33508	PIONEER NATURAL RES. USA, INC.	1	9,075	1996-07-17
156 A	42-329-33500	PIONEER NATURAL RES. USA, INC.	1	8,800	1996-07-16
1712A	42-329-33502	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-07-16
312A	42-329-33501	PIONEER NATURAL RES. USA, INC.	1	8,775	1996-07-16
2513A	42-329-33499	PIONEER NATURAL RES. USA, INC.	1	8,950	1996-07-15
2705A	42-329-33498	PIONEER NATURAL RES. USA, INC.	1	9,050	1996-07-15
4006A	42-329-33497	PIONEER NATURAL RES. USA, INC.	1	9,100	1996-07-15
6825A	42-329-33494	PIONEER NATURAL RES. USA, INC.	1	9,050	1996-07-03
1408A	42-329-33489	PIONEER NATURAL RES. USA, INC.	2	8,800	1996-06-21
155A	42-329-33482	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-06-18
157A	42-329-33485	PIONEER NATURAL RES. USA, INC.	1	8,800	1996-06-18
6113A	42-329-33484	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-06-18
7403A	42-329-33487	PIONEER NATURAL RES. USA, INC.	1	9,125	1996-06-18
7505A	42-329-33483	PIONEER NATURAL RES. USA, INC.	1	9,125	1996-06-18
7506A	42-329-33486	PIONEER NATURAL RES. USA, INC.	1	9,150	1996-06-18
2434 A	42-329-33479	PIONEER NATURAL RES. USA, INC.	1	9,050	1996-06-14
4005A	42-329-33480	PIONEER NATURAL RES. USA, INC.	1	9,000	1996-06-14
6912A	42-329-33478	PIONEER NATURAL RES. USA, INC.	1	9,050	1996-06-11
158A	42-329-33472	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-06-06
159A	42-329-33473	PIONEER NATURAL RES. USA, INC.	1	8,850	1996-06-06
1803A	42-329-33474	PIONEER NATURAL RES. USA, INC.	1	8,800	1996-06-06
1909 A	42-329-33475	PIONEER NATURAL RES. USA, INC.	1	8,800	1996-06-06
3909A	42-329-33476	PIONEER NATURAL RES. USA, INC.	1	9,025	1996-06-06
7006A	42-329-33477	PIONEER NATURAL RES. USA, INC.	1	9,100	1996-06-06
7005A	42-329-33471	PIONEER NATURAL RES. USA, INC.	1	9,100	1996-06-05
1406A	42-329-33469	PIONEER NATURAL RES. USA, INC.	1	8,800	1996-05-16
2706A	42-329-33466	PIONEER NATURAL RES. USA, INC.	1	9,100	1996-05-13
3004A	42-329-33465	PIONEER NATURAL RES. USA, INC.	1	8,825	1996-05-13
3207A	42-329-33464	PIONEER NATURAL RES. USA, INC.	1	8,800	1996-05-13
4111A	42-329-33463	PIONEER NATURAL RES. USA, INC.	1	9,100	1996-05-13
7106A	42-329-33435	PIONEER NATURAL RES. USA, INC.	1	9,100	1996-02-05
7504A	42-329-33406	PIONEER NATURAL RES. USA, INC.	1	9,150	1995-11-01
2008A	42-329-33394	PIONEER NATURAL RES. USA, INC.	1	8,800	1995-10-05
3907A	42-329-33395	PIONEER NATURAL RES. USA, INC.	1	9,075	1995-10-05
4110A	42-329-33393	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-10-05
7210A	42-329-33392	PIONEER NATURAL RES. USA, INC.	1	9,025	1995-10-05
7211A	42-329-33391	PIONEER NATURAL RES. USA, INC.	1	9,075	1995-10-05
5012A	42-329-33372	PIONEER NATURAL RES. USA, INC.	1	9,150	1995-09-20
1312A	42-329-33373	PIONEER NATURAL RES. USA, INC.	1	8,800	1995-09-19
7105A	42-329-33375	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-09-18
7311A	42-329-33374	PIONEER NATURAL RES. USA, INC.	1	9,150	1995-09-18
1311A	42-329-33362	PIONEER NATURAL RES. USA, INC.	1	8,800	1995-09-05
3908A	42-329-33360	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-09-05
6824A	42-329-33364	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-09-05
6911A	42-329-33365	PIONEER NATURAL RES. USA, INC.	1	9,075	1995-09-05
712A	42-329-33359	PIONEER NATURAL RES. USA, INC.	1	8,950	1995-09-05
7309A	42-329-33361	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-09-05
7310A	42-329-33363	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-09-05
1103	42-329-33356	PIONEER NATURAL RES. USA, INC.	1	8,800	1995-08-22
1103A	42-329-33356	PIONEER NATURAL RES. USA, INC.	1	8,800	1995-08-22
1711A	42-329-33355	PIONEER NATURAL RES. USA, INC.	1	8,875	1995-08-22
6823A	42-329-33354	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-08-22
7308A	42-329-33353	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-08-22
5109A	42-329-33345	PIONEER NATURAL RES. USA, INC.	1	9,075	1995-08-03
5110A	42-329-33349	PIONEER NATURAL RES. USA, INC.	1	9,025	1995-08-03
5111A	42-329-33348	PIONEER NATURAL RES. USA, INC.	1	9,050	1995-08-03
6821A	42-329-33347	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-08-03
6822A	42-329-33346	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-08-03
2303A	42-329-33341	PIONEER NATURAL RES. USA, INC.	1	9,000	1995-08-01
2430A	42-329-33344	PIONEER NATURAL RES. USA, INC.	1	9,050	1995-08-01
2431A	42-329-33339	PIONEER NATURAL RES. USA, INC.	1	8,875	1995-08-01
2432A	42-329-33342	PIONEER NATURAL RES. USA, INC.	1	8,900	1995-08-01
3206A	42-329-33343	PIONEER NATURAL RES. USA, INC.	1	8,800	1995-08-01
3304A	42-329-33340	PIONEER NATURAL RES. USA, INC.	1	8,825	1995-08-01
2512A	42-329-33335	PIONEER NATURAL RES. USA, INC.	1	9,000	1995-07-17
2904A	42-329-33330	PIONEER NATURAL RES. USA, INC.	1	8,825	1995-07-17
5011A	42-329-33331	PIONEER NATURAL RES. USA, INC.	1	8,975	1995-07-17
5703A	42-329-33332	PIONEER NATURAL RES. USA, INC.	1	8,825	1995-07-17
6819A	42-329-33333	PIONEER NATURAL RES. USA, INC.	1	9,050	1995-07-17
6820A	42-329-33334	PIONEER NATURAL RES. USA, INC.	1	9,050	1995-07-17
4306A	42-329-33328	PIONEER NATURAL RES. USA, INC.	1	8,825	1995-07-14
2511A	42-329-33327	PIONEER NATURAL RES. USA, INC.	1	9,050	1995-07-13
153A	42-329-33321	PIONEER NATURAL RES. USA, INC.	1	8,800	1995-07-03
2510A	42-329-33322	PIONEER NATURAL RES. USA, INC.	1	9,025	1995-07-03
3706A	42-329-33323	PIONEER NATURAL RES. USA, INC.	1	8,950	1995-07-03
6818A	42-329-33324	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-07-03
2433A	42-329-33315	PIONEER NATURAL RES. USA, INC.	1	9,025	1995-06-28
2509A	42-329-33314	PIONEER NATURAL RES. USA, INC.	1	9,000	1995-06-22
4206A	42-329-33313	PIONEER NATURAL RES. USA, INC.	1	8,850	1995-06-22
154A	42-329-33312	PIONEER NATURAL RES. USA, INC.	1	8,825	1995-06-21
5403A	42-329-33307	PIONEER NATURAL RES. USA, INC.	1	8,775	1995-06-09
2603A	42-329-33306	PIONEER NATURAL RES. USA, INC.	1	9,075	1995-06-07
1908A	42-329-33305	PIONEER NATURAL RES. USA, INC.	1	8,875	1995-06-06
2423A	42-329-33302	PIONEER NATURAL RES. USA, INC.	1	8,925	1995-06-06
6817A	42-329-33303	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-06-06
7004A	42-329-33304	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-06-06
1004A	42-329-33300	PIONEER NATURAL RES. USA, INC.	1	8,950	1995-05-26
5010A	42-329-33299	PIONEER NATURAL RES. USA, INC.	1	9,150	1995-05-26
1710A	42-329-33297	PIONEER NATURAL RES. USA, INC.	1	8,825	1995-05-22
1310A	42-329-33293	PIONEER NATURAL RES. USA, INC.	1	8,775	1995-05-11
5009A	42-329-33292	PIONEER NATURAL RES. USA, INC.	1	9,150	1995-05-11
5108A	42-329-33295	PIONEER NATURAL RES. USA, INC.	1	9,025	1995-05-11
903A	42-329-33294	PIONEER NATURAL RES. USA, INC.	1	8,975	1995-05-11
217A	42-329-33287	PIONEER NATURAL RES. USA, INC.	1	8,925	1995-05-02
218A	42-329-33288	PIONEER NATURAL RES. USA, INC.	1	8,900	1995-05-02
219A	42-329-33289	PIONEER NATURAL RES. USA, INC.	1	8,875	1995-05-02
803A	42-329-33290	PIONEER NATURAL RES. USA, INC.	1	8,925	1995-05-02
2428A	42-329-33285	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-05-01
6910A	42-329-33286	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-05-01
2007A	42-329-33280	PIONEER NATURAL RES. USA, INC.	1	8,875	1995-04-21
6816A	42-329-33281	PIONEER NATURAL RES. USA, INC.	1	9,075	1995-04-21
6608A	42-329-33279	PIONEER NATURAL RES. USA, INC.	1	9,050	1995-04-20
2429A	42-329-33276	PIONEER NATURAL RES. USA, INC.	1	9,200	1995-04-19
2205A	42-329-33269	PIONEER NATURAL RES. USA, INC.	1	8,925	1995-04-06
2803A	42-329-33268	PIONEER NATURAL RES. USA, INC.	1	8,825	1995-04-06
2903A	42-329-33267	PIONEER NATURAL RES. USA, INC.	1	8,825	1995-04-06
4908A	42-329-33266	PIONEER NATURAL RES. USA, INC.	1	8,975	1995-04-04
6504A	42-329-33261	PIONEER NATURAL RES. USA, INC.	1	8,975	1995-03-23
6909A	42-329-33262	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-03-23
6406A	42-329-33257	PIONEER NATURAL RES. USA, INC.	1	8,975	1995-03-16
5303A	42-329-33255	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-03-07
7103A	42-329-33254	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-03-07
7104A	42-329-33253	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-03-07
2427A	42-329-33247	PIONEER NATURAL RES. USA, INC.	1	9,000	1995-02-28
3705A	42-329-33246	PIONEER NATURAL RES. USA, INC.	1	9,000	1995-02-27
5203A	42-329-33245	PIONEER NATURAL RES. USA, INC.	1	9,125	1995-02-27
6112A	42-329-33244	PIONEER NATURAL RES. USA, INC.	1	8,850	1995-02-27
7307A	42-329-33243	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-02-27
151A	42-329-33241	PIONEER NATURAL RES. USA, INC.	1	8,850	1995-02-16
7209A	42-329-33239	PIONEER NATURAL RES. USA, INC.	1	9,075	1995-02-16
134A	42-329-33231	PIONEER NATURAL RES. USA, INC.	2	8,875	1995-02-13
147A	42-329-33230	PIONEER NATURAL RES. USA, INC.	1	8,850	1995-02-13
148A	42-329-33229	PIONEER NATURAL RES. USA, INC.	1	8,825	1995-02-10
150A	42-329-33228	PIONEER NATURAL RES. USA, INC.	1	8,800	1995-02-09
152A	42-329-33225	PIONEER NATURAL RES. USA, INC.	1	8,850	1995-02-07
2425A	42-329-33223	PIONEER NATURAL RES. USA, INC.	1	8,925	1995-02-06
4109A	42-329-33222	PIONEER NATURAL RES. USA, INC.	1	9,100	1995-02-06
4205A	42-329-33221	PIONEER NATURAL RES. USA, INC.	1	8,850	1995-02-06
149A	42-329-33220	PIONEER NATURAL RES. USA, INC.	1	8,850	1995-02-03
2424A	42-329-33218	PIONEER NATURAL RES. USA, INC.	1	8,950	1995-02-03
606A	42-329-33219	PIONEER NATURAL RES. USA, INC.	1	8,850	1995-02-03
1206A	42-329-33217	PIONEER NATURAL RES. USA, INC.	1	9,050	1995-02-02
145A	42-329-33192	PIONEER NATURAL RES. USA, INC.	1	8,850	1994-12-31
7208A	42-329-33191	PIONEER NATURAL RES. USA, INC.	1	9,050	1994-12-31
216A	42-329-33201	PIONEER NATURAL RES. USA, INC.	1	8,890	1994-12-30
7306A	42-329-33193	PIONEER NATURAL RES. USA, INC.	1	9,125	1994-12-13
144A	42-329-33188	PIONEER NATURAL RES. USA, INC.	1	8,835	1994-12-12
6111A	42-329-33189	PIONEER NATURAL RES. USA, INC.	1	8,885	1994-12-12
7003A	42-329-33190	PIONEER NATURAL RES. USA, INC.	1	9,125	1994-12-12
143A	42-329-33179	PIONEER NATURAL RES. USA, INC.	1	8,845	1994-12-05
2704A	42-329-33178	PIONEER NATURAL RES. USA, INC.	1	9,125	1994-12-05
6303A	42-329-33180	PIONEER NATURAL RES. USA, INC.	1	8,960	1994-12-05
3815A	42-329-33165	PIONEER NATURAL RES. USA, INC.	1	9,060	1994-11-18
6815A	42-329-33165	PIONEER NATURAL RES. USA, INC.	1	9,060	1994-11-18
2703A	42-329-33163	PIONEER NATURAL RES. USA, INC.	1	9,075	1994-11-14
1309A	42-329-33151	PIONEER NATURAL RES. USA, INC.	1	8,770	1994-10-21
2426A	42-329-33152	PIONEER NATURAL RES. USA, INC.	1	9,050	1994-10-21
3403A	42-329-33153	PIONEER NATURAL RES. USA, INC.	1	8,840	1994-10-21
4108A	42-329-33154	PIONEER NATURAL RES. USA, INC.	1	9,125	1994-10-21
309A	42-329-33148	PIONEER NATURAL RES. USA, INC.	1	8,850	1994-10-18
3906A	42-329-33150	PIONEER NATURAL RES. USA, INC.	1	9,025	1994-10-18
2422A	42-329-33145	PIONEER NATURAL RES. USA, INC.	1	9,125	1994-10-17
2302A	42-329-33142	PIONEER NATURAL RES. USA, INC.	1	8,975	1994-10-10
311A	42-329-33141	PIONEER NATURAL RES. USA, INC.	1	8,825	1994-10-10
5107A	42-329-33137	PIONEER NATURAL RES. USA, INC.	1	9,150	1994-09-29
1205A	42-329-33127	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-09-27
5008A	42-329-33129	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-09-27
711A	42-329-33128	PIONEER NATURAL RES. USA, INC.	1	9,150	1994-09-27
7207A	42-329-33115	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-09-08
7503A	42-329-33116	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-09-08
3804A	42-329-33113	PIONEER NATURAL RES. USA, INC.	1	9,150	1994-09-06
5006A	42-329-33114	PIONEER NATURAL RES. USA, INC.	1	9,150	1994-09-06
7402A	42-329-33112	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-09-06
2203A	42-329-33110	PIONEER NATURAL RES. USA, INC.	1	9,100	1994-08-17
4003A	42-329-33107	PIONEER NATURAL RES. USA, INC.	2	9,150	1994-08-17
5007A	42-329-33109	PIONEER NATURAL RES. USA, INC.	1	9,150	1994-08-17
5106A	42-329-33108	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-08-17
2204A	42-329-33103	PIONEER NATURAL RES. USA, INC.	1	9,100	1994-08-10
2420A	42-329-33106	PIONEER NATURAL RES. USA, INC.	1	9,150	1994-08-10
3905A	42-329-33104	PIONEER NATURAL RES. USA, INC.	1	9,150	1994-08-10
6607A	42-329-33105	PIONEER NATURAL RES. USA, INC.	1	9,150	1994-08-10
3904A	42-329-33085	PIONEER NATURAL RES. USA, INC.	1	9,100	1994-07-15
4004A	42-329-33084	PIONEER NATURAL RES. USA, INC.	1	9,100	1994-07-15
504A	42-329-33087	PIONEER NATURAL RES. USA, INC.	1	8,875	1994-07-15
604A	42-329-33086	PIONEER NATURAL RES. USA, INC.	1	8,900	1994-07-15
710A	42-329-33081	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-07-07
1102A	42-329-33073	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-06-20
4107A	42-329-33072	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-06-20
6813A	42-329-33065	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-06-13
4106A	42-329-33063	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-06-10
6814A	42-329-33064	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-06-10
1907A	42-329-33057	PIONEER NATURAL RES. USA, INC.	1	9,050	1994-06-02
3003A	42-329-33059	PIONEER NATURAL RES. USA, INC.	1	9,100	1994-06-02
605A	42-329-33058	PIONEER NATURAL RES. USA, INC.	1	9,100	1994-06-02
215A	42-329-33055	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-05-24
2421A	42-329-33053	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-05-24
2508A	42-329-33054	PIONEER NATURAL RES. USA, INC.	1	8,950	1994-05-24
6908A	42-329-33052	PIONEER NATURAL RES. USA, INC.	1	9,200	1994-05-24
7206A	42-329-33008	PIONEER NATURAL RES. USA, INC.	1	9,100	1994-02-11
7305A	42-329-33009	PIONEER NATURAL RES. USA, INC.	1	9,020	1994-02-11
6907A	42-329-33002	PIONEER NATURAL RES. USA, INC.	1	9,100	1994-02-01
2006A	42-329-32999	PIONEER NATURAL RES. USA, INC.	1	8,900	1994-01-25
4105A	42-329-32997	PIONEER NATURAL RES. USA, INC.	1	9,050	1994-01-18
2103A	42-329-32993	PIONEER NATURAL RES. USA, INC.	1	8,900	1994-01-07
3402A	42-329-32992	PIONEER NATURAL RES. USA, INC.	1	8,500	1994-01-05
208A	42-329-32990	PIONEER NATURAL RES. USA, INC.	1	9,050	1994-01-04
6702A	42-329-32989	PIONEER NATURAL RES. USA, INC.	1	9,050	1994-01-03
2507A	42-329-32987	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-12-31
2104A	42-329-32986	PIONEER NATURAL RES. USA, INC.	1	8,925	1993-12-29
213A	42-329-31545	PIONEER NATURAL RES. USA, INC.	2	11,600	1993-12-29
2416A	42-329-32985	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-12-29
212A	42-329-31500	PIONEER NATURAL RES. USA, INC.	2	11,300	1993-12-20
2602A	42-329-31641	PIONEER NATURAL RES. USA, INC.	2	11,300	1993-12-20
1003A	42-329-32980	PIONEER NATURAL RES. USA, INC.	1	9,000	1993-12-10
2418A	42-329-32981	PIONEER NATURAL RES. USA, INC.	1	9,000	1993-12-10
3205A	42-329-32982	PIONEER NATURAL RES. USA, INC.	1	8,825	1993-12-10
1504A	42-329-32973	PIONEER NATURAL RES. USA, INC.	1	8,825	1993-12-07
2417A	42-329-32988	PIONEER NATURAL RES. USA, INC.	1	8,900	1993-12-03
1706A	42-329-32979	PIONEER NATURAL RES. USA, INC.	1	8,900	1993-12-02
1707A	42-329-32967	PIONEER NATURAL RES. USA, INC.	1	8,900	1993-12-01
1708A	42-329-32969	PIONEER NATURAL RES. USA, INC.	1	8,900	1993-12-01
2802A	42-329-32966	PIONEER NATURAL RES. USA, INC.	1	8,800	1993-12-01
6605A	42-329-32968	PIONEER NATURAL RES. USA, INC.	1	9,050	1993-12-01
708A	42-329-32965	PIONEER NATURAL RES. USA, INC.	1	8,975	1993-11-30
6405A	42-329-32962	PIONEER NATURAL RES. USA, INC.	1	9,050	1993-11-17
6606A	42-329-32961	PIONEER NATURAL RES. USA, INC.	1	9,050	1993-11-17
211A	42-329-32960	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-11-12
5402A	42-329-32959	PIONEER NATURAL RES. USA, INC.	2	8,850	1993-11-04
210A	42-329-32955	PIONEER NATURAL RES. USA, INC.	1	8,900	1993-11-02
214A	42-329-32956	PIONEER NATURAL RES. USA, INC.	1	8,975	1993-11-02
5702A	42-329-32957	PIONEER NATURAL RES. USA, INC.	1	8,875	1993-11-02
209A	42-329-32953	PIONEER NATURAL RES. USA, INC.	1	8,870	1993-11-01
4907A	42-329-32950	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-11-01
6812A	42-329-32951	PIONEER NATURAL RES. USA, INC.	1	9,050	1993-11-01
709A	42-329-32952	PIONEER NATURAL RES. USA, INC.	1	8,975	1993-11-01
138A	42-329-32947	PIONEER NATURAL RES. USA, INC.	1	8,925	1993-10-27
707A	42-329-32948	PIONEER NATURAL RES. USA, INC.	1	9,200	1993-10-27
4305A	42-329-32943	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-10-21
1709A	42-329-32936	PIONEER NATURAL RES. USA, INC.	1	9,000	1993-10-12
802A	42-329-32935	PIONEER NATURAL RES. USA, INC.	1	9,100	1993-10-08
2419A	42-329-32933	PIONEER NATURAL RES. USA, INC.	1	9,000	1993-10-07
4204A	42-329-32932	PIONEER NATURAL RES. USA, INC.	1	8,925	1993-10-06
3703A	42-329-32930	PIONEER NATURAL RES. USA, INC.	1	9,100	1993-09-30
5202A	42-329-32929	PIONEER NATURAL RES. USA, INC.	1	9,300	1993-09-29
5302A	42-329-32928	PIONEER NATURAL RES. USA, INC.	1	9,300	1993-09-29
6905A	42-329-32927	PIONEER NATURAL RES. USA, INC.	1	9,250	1993-09-29
6906A	42-329-32926	PIONEER NATURAL RES. USA, INC.	1	9,250	1993-09-29
902A	42-329-32916	PIONEER NATURAL RES. USA, INC.	1	9,200	1993-09-13
3801A	42-329-32913	PIONEER NATURAL RES. USA, INC.	1	9,100	1993-09-03
3802A	42-329-32914	PIONEER NATURAL RES. USA, INC.	1	9,100	1993-09-03
3803A	42-329-32909	PIONEER NATURAL RES. USA, INC.	1	9,100	1993-08-30
706D	42-329-32891	PIONEER NATURAL RES. USA, INC.	1	5,700	1993-08-10
2202A	42-329-32889	PIONEER NATURAL RES. USA, INC.	1	9,100	1993-08-09
2505A	42-329-32881	PIONEER NATURAL RES. USA, INC.	1	9,200	1993-08-04
2005A	42-329-32874	PIONEER NATURAL RES. USA, INC.	1	9,050	1993-08-02
2413A	42-329-32873	PIONEER NATURAL RES. USA, INC.	1	9,200	1993-08-02
2414A	42-329-32869	PIONEER NATURAL RES. USA, INC.	1	9,050	1993-07-23
6404A	42-329-32859	PIONEER NATURAL RES. USA, INC.	1	9,050	1993-07-08
4304A	42-329-32856	PIONEER NATURAL RES. USA, INC.	1	8,925	1993-07-07
6502A	42-329-32852	PIONEER NATURAL RES. USA, INC.	1	9,050	1993-07-02
4203A	42-329-32849	PIONEER NATURAL RES. USA, INC.	1	8,925	1993-06-29
6209A	42-329-32847	PIONEER NATURAL RES. USA, INC.	1	8,825	1993-06-29
6210A	42-329-32848	PIONEER NATURAL RES. USA, INC.	1	8,825	1993-06-29
6110A	42-329-32845	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-06-23
1308A	42-329-32844	PIONEER NATURAL RES. USA, INC.	1	8,850	1993-06-17
4906A	42-329-32843	PIONEER NATURAL RES. USA, INC.	1	9,050	1993-06-15
1802A	42-329-32842	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-06-11
1405A	42-329-32834	PIONEER NATURAL RES. USA, INC.	1	8,800	1993-05-27
2506D	42-329-32832	PIONEER NATURAL RES. USA, INC.	2	5,700	1993-05-19
141A	42-329-32828	PIONEER NATURAL RES. USA, INC.	1	8,900	1993-05-14
140A	42-329-32827	PIONEER NATURAL RES. USA, INC.	1	8,900	1993-05-04
142A	42-329-32823	PIONEER NATURAL RES. USA, INC.	1	8,850	1993-04-21
5150A	42-329-32820	PIONEER NATURAL RES. USA, INC.	1	9,200	1993-04-19
6604A	42-329-32819	PIONEER NATURAL RES. USA, INC.	1	9,100	1993-04-19
6809A	42-329-32821	PIONEER NATURAL RES. USA, INC.	1	9,250	1993-04-19
6810A	42-329-32818	PIONEER NATURAL RES. USA, INC.	1	9,200	1993-04-19
6811D	42-329-32813	PIONEER NATURAL RES. USA, INC.	1	5,600	1993-04-13
4403B	42-329-30110	PIONEER NATURAL RES. USA, INC.	2	10,518	1993-03-15
1503D	42-329-32793	PIONEER NATURAL RES. USA, INC.	1	5,600	1993-03-08
6503D	42-329-32792	PIONEER NATURAL RES. USA, INC.	1	5,600	1993-03-08
207A	42-329-32776	PIONEER NATURAL RES. USA, INC.	1	9,100	1993-02-19
206A	42-329-32775	PIONEER NATURAL RES. USA, INC.	1	9,100	1993-02-17
1203A	42-329-32761	PIONEER NATURAL RES. USA, INC.	1	9,250	1993-01-22
1204A	42-329-32760	PIONEER NATURAL RES. USA, INC.	1	9,250	1993-01-22
137A	42-329-32762	PIONEER NATURAL RES. USA, INC.	1	8,925	1993-01-22
306A	42-329-32763	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-01-22
3303A	42-329-32759	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-01-22
307A	42-329-32758	PIONEER NATURAL RES. USA, INC.	1	8,950	1993-01-21
139D	42-329-32756	PIONEER NATURAL RES. USA, INC.	1	5,600	1993-01-20
3502A	42-329-32752	PIONEER NATURAL RES. USA, INC.	1	9,000	1993-01-14
6108A	42-329-32751	PIONEER NATURAL RES. USA, INC.	1	8,925	1993-01-14
133A	42-329-32744	PIONEER NATURAL RES. USA, INC.	1	9,250	1992-12-31
2415A	42-329-32743	PIONEER NATURAL RES. USA, INC.	1	9,100	1992-12-31
6208A	42-329-32742	PIONEER NATURAL RES. USA, INC.	1	9,000	1992-12-31
131A	42-329-32741	PIONEER NATURAL RES. USA, INC.	1	8,950	1992-12-30
1306A	42-329-32740	PIONEER NATURAL RES. USA, INC.	1	8,925	1992-12-22
1307A	42-329-32739	PIONEER NATURAL RES. USA, INC.	1	8,925	1992-12-22
135A	42-329-32729	PIONEER NATURAL RES. USA, INC.	1	8,950	1992-12-17
4303A	42-329-32727	PIONEER NATURAL RES. USA, INC.	1	8,925	1992-12-17
5005A	42-329-32726	PIONEER NATURAL RES. USA, INC.	1	9,100	1992-12-17
7205A	42-329-32725	PIONEER NATURAL RES. USA, INC.	1	9,200	1992-12-17
128A	42-329-32707	PIONEER NATURAL RES. USA, INC.	1	8,925	1992-11-20
129A	42-329-32706	PIONEER NATURAL RES. USA, INC.	1	8,925	1992-11-20
308A	42-329-32705	PIONEER NATURAL RES. USA, INC.	1	8,950	1992-11-20
4903A	42-329-32704	PIONEER NATURAL RES. USA, INC.	1	9,050	1992-11-20
4905A	42-329-32703	PIONEER NATURAL RES. USA, INC.	1	9,050	1992-11-20
4904A	42-329-32689	PIONEER NATURAL RES. USA, INC.	1	9,050	1992-11-13
130A	42-329-32687	PIONEER NATURAL RES. USA, INC.	1	8,950	1992-11-12
4803B	42-329-30096	PIONEER NATURAL RES. USA, INC.	1	11,730	1987-07-16
1407B	42-329-30257	PIONEER NATURAL RES. USA, INC.	1	11,800	1986-07-08
27	42-329-30248	PIONEER NATURAL RES. USA, INC.	1	11,600	1985-07-24
6211B	42-329-30198	PIONEER NATURAL RES. USA, INC.	1	11,080	1985-06-24
6213B	42-329-31539	PIONEER NATURAL RES. USA, INC.	1	9,300	1985-06-03
6212B	42-329-31450	PIONEER NATURAL RES. USA, INC.	1	9,300	1984-12-04
133	42-329-31007	PIONEER NATURAL RES. USA, INC.	1	8,000	1981-07-14
6107	42-329-31005	PIONEER NATURAL RES. USA, INC.	1	8,000	1981-06-26
6207	42-329-31004	PIONEER NATURAL RES. USA, INC.	1	8,000	1981-06-26
1906W	42-329-30923	PIONEER NATURAL RES. USA, INC.	1	8,100	1980-07-10
132	42-329-30920	PIONEER NATURAL RES. USA, INC.	1	8,100	1980-07-07
101	42-329-01126	PIONEER NATURAL RES. USA, INC.	--	--	--
103	42-329-01132	PIONEER NATURAL RES. USA, INC.	--	--	--
104	42-329-01133	PIONEER NATURAL RES. USA, INC.	--	--	--
105W	42-329-01134	PIONEER NATURAL RES. USA, INC.	--	--	--
106	42-329-01135	PIONEER NATURAL RES. USA, INC.	--	--	--
108	42-329-01137	PIONEER NATURAL RES. USA, INC.	--	--	--
109	42-329-01120	PIONEER NATURAL RES. USA, INC.	--	--	--
10WS	42-329-80869	PIONEER NATURAL RES. USA, INC.	--	--	--
110	42-329-01121	PIONEER NATURAL RES. USA, INC.	--	--	--
111	42-329-01122	PIONEER NATURAL RES. USA, INC.	--	--	--
112	42-329-01123	PIONEER NATURAL RES. USA, INC.	--	--	--
113	42-329-01107	PIONEER NATURAL RES. USA, INC.	--	--	--
115	42-329-01109	PIONEER NATURAL RES. USA, INC.	--	--	--
116	42-329-01110	PIONEER NATURAL RES. USA, INC.	--	--	--
118	42-329-01112	PIONEER NATURAL RES. USA, INC.	--	--	--
119	42-329-01113	PIONEER NATURAL RES. USA, INC.	--	--	--
11WS	42-329-80897	PIONEER NATURAL RES. USA, INC.	--	--	--
120	42-329-01114	PIONEER NATURAL RES. USA, INC.	--	--	--
122	42-329-01116	PIONEER NATURAL RES. USA, INC.	--	--	--
123	42-329-01117	PIONEER NATURAL RES. USA, INC.	--	--	--
124	42-329-01118	PIONEER NATURAL RES. USA, INC.	--	--	--
125	42-329-01119	PIONEER NATURAL RES. USA, INC.	--	--	--
126	42-329-10342	PIONEER NATURAL RES. USA, INC.	--	--	--
12WS	42-329-80861	PIONEER NATURAL RES. USA, INC.	--	--	--
1302	42-329-00922	PIONEER NATURAL RES. USA, INC.	--	--	--
1303	42-329-00930	PIONEER NATURAL RES. USA, INC.	--	--	--
1304	42-329-00932	PIONEER NATURAL RES. USA, INC.	--	--	--
13WS	42-329-80860	PIONEER NATURAL RES. USA, INC.	--	--	--
1401	42-329-00920	PIONEER NATURAL RES. USA, INC.	--	--	--
1402	42-329-00925	PIONEER NATURAL RES. USA, INC.	--	--	--
1501	42-329-00746	PIONEER NATURAL RES. USA, INC.	--	--	--
1502W	42-329-00515	PIONEER NATURAL RES. USA, INC.	--	--	--
16WS	42-329-80870	PIONEER NATURAL RES. USA, INC.	--	--	--
1701	42-329-00744	PIONEER NATURAL RES. USA, INC.	--	--	--
1704	42-329-00726	PIONEER NATURAL RES. USA, INC.	--	--	--
1705	42-329-00728	PIONEER NATURAL RES. USA, INC.	--	--	--
17WS	42-329-80898	PIONEER NATURAL RES. USA, INC.	--	--	--
1801	42-329-01565	PIONEER NATURAL RES. USA, INC.	--	--	--
18WS	42-329-80871	PIONEER NATURAL RES. USA, INC.	--	--	--
1904	42-329-01394	PIONEER NATURAL RES. USA, INC.	--	--	--
1905	42-329-01398	PIONEER NATURAL RES. USA, INC.	--	--	--
19WS	42-329-80872	PIONEER NATURAL RES. USA, INC.	--	--	--
1WS	42-329-80892	PIONEER NATURAL RES. USA, INC.	--	--	--
2002	42-329-00054	PIONEER NATURAL RES. USA, INC.	--	--	--
2004	42-329-00056	PIONEER NATURAL RES. USA, INC.	--	--	--
201	42-329-00676	PIONEER NATURAL RES. USA, INC.	--	--	--
203	42-329-00679	PIONEER NATURAL RES. USA, INC.	--	--	--
20WS	42-329-80876	PIONEER NATURAL RES. USA, INC.	--	--	--
2101	42-329-01410	PIONEER NATURAL RES. USA, INC.	--	--	--
2102	42-329-01371	PIONEER NATURAL RES. USA, INC.	--	--	--
21WS	42-329-80873	PIONEER NATURAL RES. USA, INC.	--	--	--
22WS	42-329-80864	PIONEER NATURAL RES. USA, INC.	--	--	--
2301	42-329-01248	PIONEER NATURAL RES. USA, INC.	--	--	--
23WS	42-329-80874	PIONEER NATURAL RES. USA, INC.	--	--	--
2407	42-329-01777	PIONEER NATURAL RES. USA, INC.	--	--	--
2411	42-329-01797	PIONEER NATURAL RES. USA, INC.	--	--	--
24WS	42-329-80877	PIONEER NATURAL RES. USA, INC.	--	--	--
25WS	42-329-80875	PIONEER NATURAL RES. USA, INC.	--	--	--
26WS	42-329-80899	PIONEER NATURAL RES. USA, INC.	--	--	--
27WS	42-329-80900	PIONEER NATURAL RES. USA, INC.	--	--	--
2801	42-329-00513	PIONEER NATURAL RES. USA, INC.	--	--	--
29WS	42-329-80901	PIONEER NATURAL RES. USA, INC.	--	--	--
3001W	42-329-00919	PIONEER NATURAL RES. USA, INC.	--	--	--
301	42-329-01521	PIONEER NATURAL RES. USA, INC.	--	--	--
302W	42-329-01522	PIONEER NATURAL RES. USA, INC.	--	--	--
303	42-329-01523	PIONEER NATURAL RES. USA, INC.	--	--	--
304	42-329-01524	PIONEER NATURAL RES. USA, INC.	--	--	--
305	42-329-01525	PIONEER NATURAL RES. USA, INC.	--	--	--
30WS	42-329-80902	PIONEER NATURAL RES. USA, INC.	--	--	--
31WS	42-329-80903	PIONEER NATURAL RES. USA, INC.	--	--	--
3201	42-329-01496	PIONEER NATURAL RES. USA, INC.	--	--	--
3203	42-329-01500	PIONEER NATURAL RES. USA, INC.	--	--	--
3204	42-329-01502	PIONEER NATURAL RES. USA, INC.	--	--	--
3208	42-329-30046	PIONEER NATURAL RES. USA, INC.	--	--	--
32WS	42-329-80904	PIONEER NATURAL RES. USA, INC.	--	--	--
33WS	42-329-80905	PIONEER NATURAL RES. USA, INC.	--	--	--
3501	42-329-00514	PIONEER NATURAL RES. USA, INC.	--	--	--
3601	42-329-00921	PIONEER NATURAL RES. USA, INC.	--	--	--
3602	42-329-00926	PIONEER NATURAL RES. USA, INC.	--	--	--
3702	42-329-00129	PIONEER NATURAL RES. USA, INC.	--	--	--
3903W	42-329-01956	PIONEER NATURAL RES. USA, INC.	--	--	--
3WS	42-329-80893	PIONEER NATURAL RES. USA, INC.	--	--	--
4102	42-329-01247	PIONEER NATURAL RES. USA, INC.	--	--	--
4201	42-329-00115	PIONEER NATURAL RES. USA, INC.	--	--	--
4202	42-329-00121	PIONEER NATURAL RES. USA, INC.	--	--	--
4301	42-329-00485	PIONEER NATURAL RES. USA, INC.	--	--	--
4302	42-329-00487	PIONEER NATURAL RES. USA, INC.	--	--	--
4401	42-329-00119	PIONEER NATURAL RES. USA, INC.	--	--	--
4601	42-329-00483	PIONEER NATURAL RES. USA, INC.	--	--	--
4801	42-329-00155	PIONEER NATURAL RES. USA, INC.	--	--	--
4901	42-329-01456	PIONEER NATURAL RES. USA, INC.	--	--	--
4901D	42-329-01456	PIONEER NATURAL RES. USA, INC.	--	--	--
4902	42-329-01665	PIONEER NATURAL RES. USA, INC.	--	--	--
4WS	42-329-80894	PIONEER NATURAL RES. USA, INC.	--	--	--
503	42-329-01558	PIONEER NATURAL RES. USA, INC.	--	--	--
5104	42-329-00156	PIONEER NATURAL RES. USA, INC.	--	--	--
5401	42-329-00507	PIONEER NATURAL RES. USA, INC.	--	--	--
5802	42-329-00085	PIONEER NATURAL RES. USA, INC.	--	--	--
5901	42-329-01755	PIONEER NATURAL RES. USA, INC.	--	--	--
5902	42-329-01749	PIONEER NATURAL RES. USA, INC.	--	--	--
5WS	42-329-80895	PIONEER NATURAL RES. USA, INC.	--	--	--
604	42-329-01868	PIONEER NATURAL RES. USA, INC.	--	--	--
6103	42-329-01461	PIONEER NATURAL RES. USA, INC.	--	--	--
6104	42-329-01462	PIONEER NATURAL RES. USA, INC.	--	--	--
6105	42-329-01463	PIONEER NATURAL RES. USA, INC.	--	--	--
6106	42-329-01464	PIONEER NATURAL RES. USA, INC.	--	--	--
6201	42-329-01102	PIONEER NATURAL RES. USA, INC.	--	--	--
6202	42-329-01103	PIONEER NATURAL RES. USA, INC.	--	--	--
6204	42-329-01105	PIONEER NATURAL RES. USA, INC.	--	--	--
6205	42-329-01106	PIONEER NATURAL RES. USA, INC.	--	--	--
6301	42-329-00720	PIONEER NATURAL RES. USA, INC.	--	--	--
6302	42-329-00722	PIONEER NATURAL RES. USA, INC.	--	--	--
6401	42-329-00719	PIONEER NATURAL RES. USA, INC.	--	--	--
6402	42-329-00721	PIONEER NATURAL RES. USA, INC.	--	--	--
6501	42-329-01945	PIONEER NATURAL RES. USA, INC.	--	--	--
6602	42-329-00136	PIONEER NATURAL RES. USA, INC.	--	--	--
6603	42-329-00143	PIONEER NATURAL RES. USA, INC.	--	--	--
6701	42-329-00725	PIONEER NATURAL RES. USA, INC.	--	--	--
6WS	42-329-80863	PIONEER NATURAL RES. USA, INC.	--	--	--
701	42-329-01656	PIONEER NATURAL RES. USA, INC.	--	--	--
702	42-329-00128	PIONEER NATURAL RES. USA, INC.	--	--	--
7202	42-329-00140	PIONEER NATURAL RES. USA, INC.	--	--	--
7WS	42-329-80867	PIONEER NATURAL RES. USA, INC.	--	--	--
8WS	42-329-80896	PIONEER NATURAL RES. USA, INC.	--	--	--
9WS	42-329-80868	PIONEER NATURAL RES. USA, INC.	--	--	--

SHACKELFORD SPRABERRY UNIT

Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (637)

Production History