CONCORD

Oil · District 7B · Lease #26500

Operator: WICHITA OPERATING COMPANY, INC.

Fields: ANDRIA (CADDO, LO)

Cum Oil

32k BBL

Cum Gas

125k MCF

casinghead

Wells

2

Production

1993-01 — 2010-06

Peak Month

1993-01

Production History

Cum Oil: 32,397 BBL Cum Gas: 124,865 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

687 BBL/mo

Di (annual)

32.0%

b-factor

0.2

EUR

32,005 BBL

R-squared

0.877

type

hyperbolic

Operator History (from monthly production reports)

2010-06 — 2012-02 COOPER OIL & GAS, LLC 21 mo

1999-08 — 2010-05 COOPER OIL & GAS, INC. 130 mo

1997-02 — 1999-07 CENTRAL ENERGY PRODUCING COMPANY 30 mo

1993-01 — 1997-01 WICHITA OPERATING COMPANY, INC. 49 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-447-35300	COOPER OIL & GAS LLC	1	4,999	1992-09-09
1	42-447-35252	COOPER OIL & GAS LLC	1	4,999	1992-02-27