APPLING, HESTER

Oil · District 01 · Lease #3803

Operator: ROLLERT CO., INC., THE

Fields: DUNLAP

Cum Oil

27k BBL

Cum Gas

22k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

1996-07

Production History

Cum Oil: 26,620 BBL Cum Gas: 22,452 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

204 BBL/mo

Di (annual)

11.4%

b-factor

0.0

EUR

21,338 BBL

R-squared

0.739

type

exponential

Operator History (from monthly production reports)

2026-01 — 2026-07 GAUGE OIL COMPANY 7 mo
2014-08 — 2025-12 COLBY PRODUCTION RESOURCES, LLC 137 mo
2000-09 — 2014-07 FIVE STAR ENERGY, INC. 167 mo
1993-01 — 2000-08 ROLLERT CO., INC., THE 92 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8GAUGE OIL COMPANY12,4001981-10-19
7GAUGE OIL COMPANY12,4001980-07-21
142-187-03159GAUGE OIL COMPANY------
242-187-03291GAUGE OIL COMPANY------
342-187-03292GAUGE OIL COMPANY------
442-187-03293GAUGE OIL COMPANY------
642-187-03393GAUGE OIL COMPANY------