< leases

FUHRMAN, ET AL -A-

Oil · District 08 · Lease #25508

Operator: UMC PETROLEUM CORPORATION

Fields: FUHRMAN-MASCHO

Cum Oil

95k BBL

Cum Gas

31k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

2008-05

Production History

Cum Oil: 94,816 BBL Cum Gas: 30,658 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,910 BBL/mo

Di (annual)

104.8%

b-factor

1.0

EUR

87,024 BBL

R-squared

0.566

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2006-07 — 2021-01 LEGACY RESERVES OPERATING LP 175 mo
2006-03 — 2006-06 KINDER MORGAN PRODUCTION CO LP 4 mo
2000-09 — 2006-02 JOURNEY OPERATING, L.L.C. 66 mo
1999-04 — 2000-08 MERIT ENERGY COMPANY 17 mo
1998-08 — 1999-03 OCEAN ENERGY, INC. 8 mo
1993-01 — 1998-07 UMC PETROLEUM CORPORATION 67 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-003-40436EXTEX OPERATING COMPANY24,7502008-03-07
242-003-40433EXTEX OPERATING COMPANY14,7502008-03-05
342-003-40435EXTEX OPERATING COMPANY14,7502008-03-05
142-003-31799EXTEX OPERATING COMPANY17,0001979-01-29