THORNBERRY -7-

Oil · District 08 · Lease #26664

Operator: SHERIDAN PRODUCTION COMPANY, LLC

Cum Oil

128k BBL

Cum Gas

117k MCF

casinghead

Wells

13

Production

1993-01 — 2026-04

Peak Month

2007-02

Production History

Cum Oil: 127,936 BBL Cum Gas: 117,430 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,038 BBL/mo

Di (annual)

11.7%

b-factor

0.0

EUR

106,086 BBL

R-squared

0.335

type

exponential

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
2004-12 — 2010-07 OK ARENA OPERATING COMPANY 68 mo
1993-01 — 2004-11 FRIEMEL, PAUL D. & ASSOC., INC. 143 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5CRESCENT ENERGY OPERATING, LLC34,8022015-05-06
11CRESCENT ENERGY OPERATING, LLC14,9002012-04-26
13CRESCENT ENERGY OPERATING, LLC14,9002011-10-11
14CRESCENT ENERGY OPERATING, LLC14,9002011-08-19
9CRESCENT ENERGY OPERATING, LLC14,9002011-04-08
8CRESCENT ENERGY OPERATING, LLC14,9002010-07-20
7CRESCENT ENERGY OPERATING, LLC14,9002008-09-12
6CRESCENT ENERGY OPERATING, LLC14,9002006-12-13
3CRESCENT ENERGY OPERATING, LLC14,8002005-12-07
4CRESCENT ENERGY OPERATING, LLC14,8002005-12-07
1CRESCENT ENERGY OPERATING, LLC14,9501981-04-09
2CRESCENT ENERGY OPERATING, LLC14,9501981-04-09
2WICRESCENT ENERGY OPERATING, LLC14,9501981-04-09