< leases

CREDO-STARK

Oil · District 08 · Lease #27758

Operator: VANGUARD OPERATING, LLC

Fields: CATLYNN,W.(CLEAR FORK,LOWER)

Cum Oil

43k BBL

Cum Gas

97k MCF

casinghead

Wells

8

Production

1993-01 — 2020-07

Peak Month

1995-11

Production History

Cum Oil: 43,043 BBL Cum Gas: 96,912 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

215 BBL/mo

Di (annual)

18.8%

b-factor

0.0

EUR

13,603 BBL

R-squared

0.322

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
2021-02 — 2021-12 CONTANGO RESOURCES, INC. 11 mo
2019-09 — 2021-01 GRIZZLY OP OF DELAWARE, LLC 17 mo
2015-11 — 2019-08 VANGUARD OPERATING, LLC 46 mo
2008-05 — 2015-10 EAGLE ROCK OPERATING COMPANY,LLC 90 mo
2005-03 — 2008-04 STANOLIND OPERATING CORP. 38 mo
1996-03 — 2005-02 THREE-B OIL COMPANY, THE 108 mo
1993-01 — 1996-02 THOMAS, J. C. INC. 38 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
842-371-35141CRESCENT ENERGY OPERATING LLC13,7001984-09-17
642-371-35085CRESCENT ENERGY OPERATING LLC13,7001984-08-06
742-371-35084CRESCENT ENERGY OPERATING LLC13,7001984-08-06
542-371-34926CRESCENT ENERGY OPERATING LLC13,7001984-05-02
442-371-34771CRESCENT ENERGY OPERATING LLC13,8001984-03-12
342-371-04205CRESCENT ENERGY OPERATING LLC11,5001983-09-30
242-371-34551CRESCENT ENERGY OPERATING LLC13,8001983-09-13
142-371-34001CRESCENT ENERGY OPERATING LLC13,8001982-09-01