WITCHER, J. E.

Oil · District 08 · Lease #21532

Operator: OCCIDENTAL PERMIAN LTD.

Fields: FOSTER

Cum Oil

5.1M BBL

Cum Gas

1.4M MCF

casinghead

Wells

112

Production

1993-01 — 2026-04

Peak Month

2001-05

Production History

Cum Oil: 5,090,929 BBL Cum Gas: 1,361,410 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

31,092 BBL/mo

Di (annual)

9.7%

b-factor

0.0

EUR

3,815,406 BBL

R-squared

0.969

type

exponential

Operator History (from monthly production reports)

2000-05 — 2026-07 OCCIDENTAL PERMIAN LTD. 315 mo

1997-03 — 2000-04 ALTURA ENERGY LTD. 38 mo

1993-01 — 1997-02 AMOCO PRODUCTION COMPANY 50 mo

Wells (112)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
138	42-135-43349	OCCIDENTAL PERMIAN LTD.	1	4,600	2015-05-15
139	42-135-43348	OCCIDENTAL PERMIAN LTD.	1	4,600	2015-05-15
137	42-135-41242	OCCIDENTAL PERMIAN LTD.	2	4,600	2011-06-24
136	42-135-39095	OCCIDENTAL PERMIAN LTD.	1	4,600	2006-05-09
135	42-135-38397	OCCIDENTAL PERMIAN LTD.	1	4,600	2003-03-27
128	42-135-38238	OCCIDENTAL PERMIAN LTD.	1	4,600	2002-06-20
132	42-135-38239	OCCIDENTAL PERMIAN LTD.	1	4,600	2002-06-20
134	42-135-38240	OCCIDENTAL PERMIAN LTD.	1	4,600	2002-06-20
127	42-135-38235	OCCIDENTAL PERMIAN LTD.	1	4,600	2002-06-17
129	42-135-38221	OCCIDENTAL PERMIAN LTD.	1	4,600	2002-06-13
131	42-135-38218	OCCIDENTAL PERMIAN LTD.	2	4,600	2002-05-29
133	42-135-38219	OCCIDENTAL PERMIAN LTD.	2	4,600	2002-05-29
126	42-135-38179	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-11-19
124	42-135-38143	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-08-01
125	42-135-38144	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-08-01
118	42-135-38136	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-07-31
119	42-135-38137	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-07-31
120	42-135-38138	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-07-31
121	42-135-38139	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-07-31
122	42-135-38140	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-07-31
123	42-135-38141	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-07-31
110	42-135-38032	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-03-12
112	42-135-38033	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-03-12
114	42-135-38034	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-03-12
116	42-135-38031	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-03-12
117	42-135-38035	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-03-12
113	42-135-38003	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-02-15
115	42-135-37993	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-01-31
111	42-135-37992	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-01-30
107W	42-135-37956	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-01-05
108W	42-135-37955	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-01-05
109W	42-135-37957	OCCIDENTAL PERMIAN LTD.	1	4,600	2001-01-05
96	42-135-37921	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-11-09
99	42-135-37920	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-11-09
100	42-135-37908	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-11-06
97	42-135-37905	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-11-02
98	42-135-37904	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-11-02
104	42-135-37897	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-10-17
105	42-135-37896	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-10-17
102	42-135-37895	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-10-12
101	42-135-37890	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-10-10
103	42-135-37892	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-10-10
95	42-135-37891	OCCIDENTAL PERMIAN LTD.	1	4,600	2000-10-10
94	42-135-36677	OCCIDENTAL PERMIAN LTD.	2	9,300	1992-11-17
93	42-135-35882	OCCIDENTAL PERMIAN LTD.	1	4,800	1988-05-23
90	42-135-35684	OCCIDENTAL PERMIAN LTD.	2	4,700	1987-11-10
85	42-135-35615	OCCIDENTAL PERMIAN LTD.	2	4,750	1987-09-14
87	42-135-35614	OCCIDENTAL PERMIAN LTD.	1	4,750	1987-09-14
88	42-135-35613	OCCIDENTAL PERMIAN LTD.	2	4,650	1987-09-14
89	42-135-35611	OCCIDENTAL PERMIAN LTD.	1	4,650	1987-08-12
86	42-135-35595	OCCIDENTAL PERMIAN LTD.	1	4,750	1987-07-21
82	42-135-35501	OCCIDENTAL PERMIAN LTD.	1	4,625	1987-04-03
83	42-135-35502	OCCIDENTAL PERMIAN LTD.	1	4,625	1987-04-03
61	42-135-30616	OCCIDENTAL PERMIAN LTD.	2	9,500	1987-03-30
62	42-135-30643	OCCIDENTAL PERMIAN LTD.	1	9,190	1987-03-30
66	42-135-31053	OCCIDENTAL PERMIAN LTD.	1	9,050	1987-03-30
77	42-135-34206	OCCIDENTAL PERMIAN LTD.	2	9,200	1986-12-09
63	42-135-30644	OCCIDENTAL PERMIAN LTD.	1	9,000	1986-07-23
73W	42-135-32985	OCCIDENTAL PERMIAN LTD.	1	4,500	1978-04-28
74W	42-135-32986	OCCIDENTAL PERMIAN LTD.	1	4,500	1978-04-28
71	42-135-32971	OCCIDENTAL PERMIAN LTD.	1	4,500	1978-04-13
72	42-135-32965	OCCIDENTAL PERMIAN LTD.	1	4,500	1978-03-30
70	42-135-32839	OCCIDENTAL PERMIAN LTD.	1	4,700	1977-10-25
3W	42-135-32802	OCCIDENTAL PERMIAN LTD.	1	4,700	1977-10-13
1	42-135-06893	OCCIDENTAL PERMIAN LTD.	--	--	--
10	42-135-06902	OCCIDENTAL PERMIAN LTD.	--	--	--
11W	42-135-06903	OCCIDENTAL PERMIAN LTD.	--	--	--
12W	42-135-06904	OCCIDENTAL PERMIAN LTD.	--	--	--
13	42-135-06905	OCCIDENTAL PERMIAN LTD.	--	--	--
14	42-135-06906	OCCIDENTAL PERMIAN LTD.	--	--	--
17	42-135-06909	OCCIDENTAL PERMIAN LTD.	--	--	--
18W	42-135-06910	OCCIDENTAL PERMIAN LTD.	--	--	--
19W	42-135-06911	OCCIDENTAL PERMIAN LTD.	--	--	--
21W	42-135-06913	OCCIDENTAL PERMIAN LTD.	--	--	--
23	42-135-06915	OCCIDENTAL PERMIAN LTD.	--	--	--
24W	42-135-06916	OCCIDENTAL PERMIAN LTD.	--	--	--
25W	42-135-06917	OCCIDENTAL PERMIAN LTD.	--	--	--
26W	42-135-06918	OCCIDENTAL PERMIAN LTD.	--	--	--
29	42-135-06921	OCCIDENTAL PERMIAN LTD.	--	--	--
2W	42-135-06894	OCCIDENTAL PERMIAN LTD.	--	--	--
3	42-135-06895	OCCIDENTAL PERMIAN LTD.	--	--	--
30W	42-135-06922	OCCIDENTAL PERMIAN LTD.	--	--	--
31W	42-135-06923	OCCIDENTAL PERMIAN LTD.	--	--	--
34	42-135-06926	OCCIDENTAL PERMIAN LTD.	--	--	--
35	42-135-06927	OCCIDENTAL PERMIAN LTD.	--	--	--
36W	42-135-06928	OCCIDENTAL PERMIAN LTD.	--	--	--
37W	42-135-06929	OCCIDENTAL PERMIAN LTD.	--	--	--
38W	42-135-06930	OCCIDENTAL PERMIAN LTD.	--	--	--
39	42-135-06931	OCCIDENTAL PERMIAN LTD.	--	--	--
4	42-135-06896	OCCIDENTAL PERMIAN LTD.	--	--	--
40W	42-135-06932	OCCIDENTAL PERMIAN LTD.	--	--	--
41W	42-135-06933	OCCIDENTAL PERMIAN LTD.	--	--	--
42W	42-135-06934	OCCIDENTAL PERMIAN LTD.	--	--	--
43W	42-135-06935	OCCIDENTAL PERMIAN LTD.	--	--	--
44W	42-135-06936	OCCIDENTAL PERMIAN LTD.	--	--	--
45W	42-135-06937	OCCIDENTAL PERMIAN LTD.	--	--	--
46	42-135-06938	OCCIDENTAL PERMIAN LTD.	--	--	--
46W	42-135-06938	OCCIDENTAL PERMIAN LTD.	--	--	--
47	42-135-06939	OCCIDENTAL PERMIAN LTD.	--	--	--
48	42-135-20312	OCCIDENTAL PERMIAN LTD.	--	--	--
5	42-135-06897	OCCIDENTAL PERMIAN LTD.	--	--	--
52	42-135-20311	OCCIDENTAL PERMIAN LTD.	--	--	--
54W	42-135-06941	OCCIDENTAL PERMIAN LTD.	--	--	--
55W	42-135-06943	OCCIDENTAL PERMIAN LTD.	--	--	--
56	42-135-06945	OCCIDENTAL PERMIAN LTD.	--	--	--
57	42-135-06942	OCCIDENTAL PERMIAN LTD.	--	--	--
58W	42-135-06944	OCCIDENTAL PERMIAN LTD.	--	--	--
60	42-135-30358	OCCIDENTAL PERMIAN LTD.	--	--	--
64	42-135-30668	OCCIDENTAL PERMIAN LTD.	--	--	--
65W	42-135-30760	OCCIDENTAL PERMIAN LTD.	--	--	--
7W	42-135-06899	OCCIDENTAL PERMIAN LTD.	--	--	--
9W	42-135-06901	OCCIDENTAL PERMIAN LTD.	--	--	--

WITCHER, J. E.

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 (112)

Production History