E. H. BROWN -A-

Oil · District 08 · Lease #26217

Operator: PIONEER NATURAL RES. USA, INC.

Fields: IATAN, EAST HOWARD

Cum Oil

700k BBL

Cum Gas

69k MCF

casinghead

Wells

Production

1993-01 — 2026-04

Peak Month

2001-01

Production History

Cum Oil: 700,234 BBL Cum Gas: 68,960 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

5,317 BBL/mo

Di (annual)

20.5%

b-factor

0.8

EUR

663,433 BBL

R-squared

0.944

type

hyperbolic

Operator History (from monthly production reports)

2011-04 — 2026-07 BASA RESOURCES, INC. 184 mo

2002-11 — 2011-03 CROWNQUEST OPERATING, LLC 101 mo

2001-08 — 2002-10 BC OPERATING, INC. 15 mo

1999-10 — 2001-07 CROWNQUEST OPERATING, LLC 22 mo

1997-09 — 1999-09 PIONEER NATURAL RES. USA, INC. 25 mo

1997-02 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 7 mo

1993-01 — 1997-01 CARRLAND OIL & GAS INC. 49 mo

Wells (45)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
54	42-335-34776	BASA RESOURCES, INC.	1	3,600	2007-09-17
52	42-335-34777	BASA RESOURCES, INC.	2	3,600	2007-09-11
55	42-335-34775	BASA RESOURCES, INC.	1	3,600	2007-06-08
57W	42-335-34782	BASA RESOURCES, INC.	1	3,600	2007-05-01
53	42-335-34204	BASA RESOURCES, INC.	1	3,500	2000-12-11
56	42-335-34200	BASA RESOURCES, INC.	1	3,500	2000-12-05
48	42-335-34148	BASA RESOURCES, INC.	1	3,500	2000-07-27
49	42-335-34149	BASA RESOURCES, INC.	1	3,500	2000-07-27
50W	42-335-34150	BASA RESOURCES, INC.	1	3,500	2000-07-27
51W	42-335-34151	BASA RESOURCES, INC.	1	3,500	2000-07-27
40W	42-335-34140	BASA RESOURCES, INC.	1	3,500	2000-07-07
39	42-335-34098	BASA RESOURCES, INC.	1	3,500	2000-04-06
35W	42-335-34117	BASA RESOURCES, INC.	1	3,500	2000-03-16
38	42-335-34101	BASA RESOURCES, INC.	1	3,500	2000-03-16
44W	42-335-34111	BASA RESOURCES, INC.	1	3,500	2000-03-08
45W	42-335-34112	BASA RESOURCES, INC.	1	3,500	2000-03-08
46W	42-335-34113	BASA RESOURCES, INC.	1	3,500	2000-03-08
30	42-335-34078	BASA RESOURCES, INC.	1	3,500	2000-03-01
32	42-335-34089	BASA RESOURCES, INC.	1	3,500	2000-02-15
33	42-335-34088	BASA RESOURCES, INC.	1	3,500	2000-02-15
34W	42-335-34086	BASA RESOURCES, INC.	1	3,500	2000-02-14
36W	42-335-34094	BASA RESOURCES, INC.	1	3,500	2000-02-14
37W	42-335-34087	BASA RESOURCES, INC.	1	3,500	2000-02-14
26	42-335-34077	BASA RESOURCES, INC.	1	3,500	2000-01-28
31	42-335-34079	BASA RESOURCES, INC.	1	3,500	2000-01-28
27	42-335-34073	BASA RESOURCES, INC.	1	3,500	2000-01-27
28	42-335-34074	BASA RESOURCES, INC.	1	3,500	2000-01-27
29	42-335-34075	BASA RESOURCES, INC.	1	3,500	2000-01-27
5	42-335-32292	BASA RESOURCES, INC.	2	3,400	1999-03-01
6	42-335-32466	BASA RESOURCES, INC.	2	3,550	1999-03-01
22	42-335-34052	BASA RESOURCES, INC.	1	3,450	1998-03-05
16	42-335-34045	BASA RESOURCES, INC.	1	3,450	1998-01-22
20	42-335-34044	BASA RESOURCES, INC.	1	3,450	1998-01-22
23W	42-335-34041	BASA RESOURCES, INC.	1	3,450	1998-01-22
24W	42-335-34042	BASA RESOURCES, INC.	1	3,450	1998-01-22
12	42-335-34026	BASA RESOURCES, INC.	1	3,450	1997-11-20
13	42-335-34025	BASA RESOURCES, INC.	1	3,450	1997-11-20
15	42-335-34024	BASA RESOURCES, INC.	1	3,450	1997-11-20
10	42-335-33976	BASA RESOURCES, INC.	1	3,450	1997-09-03
9	42-335-33977	BASA RESOURCES, INC.	1	3,450	1997-09-03
7	42-335-33949	BASA RESOURCES, INC.	1	3,450	1997-06-03
4	42-335-32291	BASA RESOURCES, INC.	1	3,400	1982-04-22
2	42-335-31792	BASA RESOURCES, INC.	1	3,500	1980-08-13
3	42-335-31793	BASA RESOURCES, INC.	1	3,500	1980-08-13
301	42-335-30310	BASA RESOURCES, INC.	--	--	--

E. H. BROWN -A-

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 (45)

Production History