STATE OF TEXAS "14"

Oil · District 08 · Lease #38779

Operator: VANGUARD OPERATING, LLC

Cum Oil

60k BBL

Cum Gas

104k MCF

casinghead

Wells

1

Production

2007-12 — 2026-04

Peak Month

2009-05

Production History

Cum Oil: 60,304 BBL Cum Gas: 104,041 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

873 BBL/mo

Di (annual)

42.8%

b-factor

0.9

EUR

69,521 BBL

R-squared

0.636

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
2021-02 — 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
2007-12 — 2015-10 EAGLE ROCK OPERATING COMPANY,LLC 95 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CRESCENT ENERGY OPERATING, LLC39,5002008-04-04