WELCH -168-

Oil · District 7C · Lease #11983

Operator: PIMA ENERGY, LLC

Fields: JAMESON (STRAWN)

Cum Oil

9k BBL

Cum Gas

136k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1995-08

Production History

Cum Oil: 8,835 BBL Cum Gas: 135,973 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

109 BBL/mo

Di (annual)

20.1%

b-factor

0.2

EUR

7,981 BBL

R-squared

0.768

type

hyperbolic

Operator History (from monthly production reports)

2016-02 — 2026-07 PIMA ENERGY, LLC 126 mo

2006-10 — 2016-01 AXIS ENERGY CORPORATION 112 mo

2002-01 — 2006-09 OCCIDENTAL ENERGY COMPANY, INC. 57 mo

1999-11 — 2001-12 AXIS ENERGY CORPORATION 26 mo

1994-01 — 1999-10 4D ENERGY CO. 70 mo

1993-01 — 1993-12 GCO DRILLING COMPANY 12 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-431-31820	PIMA ENERGY, LLC	1	7,500	1986-06-27
1	42-431-31819	PIMA ENERGY, LLC	1	7,500	1986-06-26