D.C.R.C.

Oil · District 04 · Lease #8256

Operator: MANLEY, JOHN D. III, OPER., INC

Cum Oil

51k BBL

Cum Gas

3k MCF

casinghead

Wells

2

Production

1993-01 — 1997-06

Peak Month

1993-08

Production History

Cum Oil: 51,216 BBL Cum Gas: 2,721 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,673 BBL/mo

Di (annual)

37.1%

b-factor

0.0

EUR

54,028 BBL

R-squared

0.631

type

exponential

Operator History (from monthly production reports)

2024-01 — 2026-07 KEBO OIL & GAS, INC. 31 mo
2016-03 — 2023-12 FIRSTRIKE ENERGY CORPORATION 94 mo
1993-01 — 2016-02 MANLEY, JOHN D. III, OPER., INC 278 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2288SUN EXPLORATION INC.15,6001978-02-13
128842-131-31120KEBO OIL & GAS INC.------