ROBERTSON

Oil · District 7C · Lease #9316

Operator: CHARTER PETROLEUM COMPANY

Cum Oil

2k BBL

Cum Gas

118k MCF

casinghead

Wells

1

Production

1993-01 — 2005-02

Peak Month

1994-05

Production History

Cum Oil: 2,373 BBL Cum Gas: 117,978 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19 BBL/mo

Di (annual)

11.5%

b-factor

0.0

EUR

1,914 BBL

R-squared

0.402

type

exponential

Operator History (from monthly production reports)

1993-01 — 2008-03 CHARTER PETROLEUM COMPANY 183 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6CHARTER PETROLEUM COMPANY36,1001982-02-22