HEADLEE DEVONIAN UNIT

Oil · District 08 · Lease #30921

Operator: FOUR STAR OIL AND GAS COMPANY

Cum Oil

30k BBL

Cum Gas

914k MCF

casinghead

Wells

1

Production

1993-01 — 2008-10

Peak Month

1997-07

Production History

Cum Oil: 30,388 BBL Cum Gas: 913,868 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

498 BBL/mo

Di (annual)

40.2%

b-factor

0.9

EUR

41,571 BBL

R-squared

0.678

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2009-02 FOUR STAR OIL AND GAS COMPANY 194 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6701FOUR STAR OIL AND GAS COMPANY112,1802008-12-08