TEXON "28"

Oil · District 7C · Lease #10598

Operator: SUMMIT PETROLEUM LLC

Cum Oil

38k BBL

Cum Gas

165k MCF

casinghead

Wells

1

Production

1993-01 — 2023-10

Peak Month

2021-11

Production History

Cum Oil: 38,191 BBL Cum Gas: 164,646 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

204 BBL/mo

Di (annual)

22.2%

b-factor

0.9

EUR

25,834 BBL

R-squared

0.700

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2025-07 EXTEX OPERATING COMPANY 54 mo
2007-10 — 2021-01 LEGACY RESERVES OPERATING LP 160 mo
2007-05 — 2007-09 SUMMIT PETROLEUM LLC 5 mo
2001-04 — 2007-04 HENRY PETROLEUM LP 73 mo
1993-01 — 2001-03 HENRY PETROLEUM CORP. 99 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1EXTEX OPERATING COMPANY18,1501983-11-23