CUSTERS, R. F. -A-

Oil · District 09 · Lease #17964

Operator: O'NEAL OIL COMPANY

Cum Oil

111k BBL

Cum Gas

21 MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1999-06

Production History

Cum Oil: 111,145 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,031 BBL/mo

Di (annual)

22.4%

b-factor

0.2

EUR

68,384 BBL

R-squared

0.859

type

hyperbolic

Operator History (from monthly production reports)

1998-08 — 2026-07 O'NEAL OIL COMPANY 336 mo
1997-08 — 1998-07 O'NEAL OIL CO. 12 mo
1993-01 — 1997-07 O'NEAL, LINDELL 55 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9O'NEAL OIL COMPANY12,2501989-04-05
342-337-81510O'NEAL OIL COMPANY------
642-337-30502O'NEAL OIL COMPANY------
7A42-337-30563O'NEAL OIL COMPANY------