ANSON, LOUISE "B"

Oil · District 7C · Lease #11991

Operator: VANGUARD PERMIAN, LLC

Fields: H-J (STRAWN)

Cum Oil

278k BBL

Cum Gas

186k MCF

casinghead

Wells

9

Production

1993-01 — 2026-04

Peak Month

1993-10

Production History

Cum Oil: 277,704 BBL Cum Gas: 185,949 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,610 BBL/mo

Di (annual)

19.8%

b-factor

0.5

EUR

263,394 BBL

R-squared

0.874

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
2015-05 — 2019-08 VANGUARD OPERATING, LLC 52 mo
2008-03 — 2015-04 VANGUARD PERMIAN, LLC 86 mo
1998-09 — 2008-02 APACHE CORPORATION 114 mo
1993-01 — 1998-08 MW PETROLEUM CORPORATION 68 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
20CRESCENT ENERGY OPERATING, LLC26,0002010-04-09
22CRESCENT ENERGY OPERATING, LLC16,1001989-10-02
24CRESCENT ENERGY OPERATING, LLC16,1001989-10-02
1042-451-00701CRESCENT ENERGY OPERATING, LLC------
1142-451-00702CRESCENT ENERGY OPERATING, LLC------
1242-451-00704CRESCENT ENERGY OPERATING, LLC------
1342-451-00689CRESCENT ENERGY OPERATING, LLC------
1442-451-00690CRESCENT ENERGY OPERATING, LLC------
1642-451-00692CRESCENT ENERGY OPERATING, LLC------