MARSHALL

Oil · District 09 · Lease #27589

Operator: PRECISION OPERATING INC.

Cum Oil

8k BBL

Cum Gas

26k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1993-01

Production History

Cum Oil: 8,204 BBL Cum Gas: 25,768 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

72 BBL/mo

Di (annual)

11.6%

b-factor

0.0

EUR

7,338 BBL

R-squared

0.466

type

exponential

Operator History (from monthly production reports)

2005-11 — 2026-07 BRAMMER PETROLEUM, INC. 249 mo
1999-09 — 2005-10 PRECISION OPERATING INC. 74 mo
1995-12 — 1999-08 GOINGS OIL & GAS 45 mo
1993-01 — 1995-11 AXIS OIL AND GAS CORPORATION 35 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BRAMMER PETROLEUM, INC.18,5001989-10-17