WALKER

Oil · District 8A · Lease #62037

Operator: RANGER 40 PETROLEUM, LLC

Fields: BRAHANEY

Cum Oil

34k BBL

Cum Gas

46 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2010-04

Production History

Cum Oil: 33,768 BBL Cum Gas: 46 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

120 BBL/mo

Di (annual)

5.7%

b-factor

0.0

EUR

23,862 BBL

R-squared

0.351

type

exponential

Operator History (from monthly production reports)

2022-01 — 2026-07 GRACE PETROLEUM OPERATING, LLC 55 mo
2008-08 — 2021-12 RANGER 40 PETROLEUM, LLC 161 mo
2001-05 — 2008-07 GAP EXPLORATION, LTD. 87 mo
2000-02 — 2001-04 AROC (TEXAS) INC. 15 mo
1997-07 — 2000-01 FAMCOR OIL, INC. 31 mo
1993-01 — 1997-06 M-T PETROLEUM, INC. 54 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GRACE PETROLEUM OPERATING, LLC15,5001977-10-18