JAMES, MARY L. ETAL

Oil · District 01 · Lease #1628

Operator: U. D. MAN, INC.

Fields: SOMERSET

Cum Oil

41k BBL

Cum Gas

19 MCF

casinghead

Wells

6

Production

1993-01 — 2026-02

Peak Month

2004-07

Production History

Cum Oil: 41,466 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

274 BBL/mo

Di (annual)

9.7%

b-factor

0.2

EUR

39,681 BBL

R-squared

0.409

type

hyperbolic

Operator History (from monthly production reports)

2023-08 — 2026-07 KOKO SKADI, LLC 36 mo

2005-02 — 2023-07 U. D. MAN, INC. 222 mo

1995-02 — 2005-01 AMINEX USA, INC. 120 mo

1993-10 — 1995-01 CASPEN OPERATING COMPANY 16 mo

1993-01 — 1993-09 DEVON ENERGY CORPORATION(NEVADA) 9 mo

Wells (6)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-029-30657	KOKO SKADI LLC	2	1,500	2015-11-30
4	42-029-30749	KOKO SKADI LLC	2	1,544	2013-01-11
5	42-029-30815	KOKO SKADI LLC	2	1,482	2013-01-11
6	42-029-30816	KOKO SKADI LLC	2	1,498	2012-07-23
1	42-029-01977	KOKO SKADI LLC	--	--	--
2	42-029-80282	KOKO SKADI LLC	--	--	--