AMERICAN NATIONAL LIFE INS. CO.

Oil · District 08 · Lease #7341

Operator: VANGUARD OPERATING, LLC

Cum Oil

25k BBL

Cum Gas

57k MCF

casinghead

Wells

9

Production

1993-01 — 2021-07

Peak Month

1994-06

Production History

Cum Oil: 25,081 BBL Cum Gas: 57,235 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

298 BBL/mo

Di (annual)

413.0%

b-factor

1.4

EUR

8,783 BBL

R-squared

0.589

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
2008-05 — 2015-10 EAGLE ROCK OPERATING COMPANY,LLC 90 mo
2004-08 — 2008-04 STANOLIND OPERATING CORP. 45 mo
1993-01 — 2004-07 MR OIL COMPANY 139 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
52EAGLE ROCK OPERATING COMPANY LLC35,2002013-11-12
38WCRESCENT ENERGY OPERATING LLC12,6001977-08-26
40WCRESCENT ENERGY OPERATING LLC12,6001977-08-26
2342-475-02809CRESCENT ENERGY OPERATING LLC------
3342-475-02819CRESCENT ENERGY OPERATING LLC------
3442-475-30796CRESCENT ENERGY OPERATING LLC------
3542-475-30795CRESCENT ENERGY OPERATING LLC------
3642-475-30841CRESCENT ENERGY OPERATING LLC------
37W42-475-30842CRESCENT ENERGY OPERATING LLC------