< leases

STATE OF TEXAS -S-

Oil · District 08 · Lease #425

Operator: SHERIDAN PRODUCTION COMPANY, LLC

Fields: BLOCK 12

Cum Oil

17k BBL

Cum Gas

17k MCF

casinghead

Wells

4

Production

1993-01 — 2024-08

Peak Month

2012-07

Production History

Cum Oil: 16,537 BBL Cum Gas: 16,923 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

312 BBL/mo

Di (annual)

64.6%

b-factor

0.6

EUR

12,555 BBL

R-squared

0.381

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 CRESCENT ENERGY OPERATING, LLC 9 mo
2022-01 — 2025-10 CONTANGO RESOURCES, LLC 46 mo
2021-12 — 2021-12 CONTANGO RESOURCES, INC. 1 mo
2020-04 — 2021-11 FDL OPERATING, LLC 20 mo
2013-02 — 2020-03 SHERIDAN PRODUCTION COMPANY, LLC 86 mo
2010-08 — 2013-01 SANDRIDGE EXPL. AND PROD., LLC 30 mo
2009-08 — 2010-07 OK ARENA OPERATING COMPANY 12 mo
1998-11 — 2009-07 CENTURION GAS CORPORATION 129 mo
1993-01 — 1998-10 RASMUSSEN, HAL J. OPERATING, INC 70 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
542-003-42928CRESCENT ENERGY OPERATING LLC17,9002011-05-12
242-003-07081CONTANGO RESOURCES, LLC18,3502010-04-30
142-003-07174CONTANGO RESOURCES, LLC27,2302000-08-09
342-003-07172CONTANGO RESOURCES, LLC410,1831990-09-28