RUSSELL RANCH

Oil · District 7C · Lease #5372

Operator: TEXAS WESTERN OIL COMPANY

Cum Oil

68k BBL

Cum Gas

5k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 67,535 BBL Cum Gas: 4,620 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

755 BBL/mo

Di (annual)

45.7%

b-factor

1.0

EUR

62,860 BBL

R-squared

0.538

type

hyperbolic

Operator History (from monthly production reports)

2022-07 — 2026-07 ALLISON LEASE SERVICES LLC 49 mo
2017-08 — 2022-06 RUSSELL PRODUCING, LLC 59 mo
2013-10 — 2017-07 MEXTEX OPERATING COMPANY 46 mo
1997-05 — 2013-09 TEXAS WESTERN OIL COMPANY 197 mo
1993-01 — 1997-04 PATTON, LLOYD 52 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6ALLISON LEASE SERVICES LLC24,9992013-07-12
5ALLISON LEASE SERVICES LLC14,9992013-07-08
142-327-10227ALLISON LEASE SERVICES LLC------
242-327-10230ALLISON LEASE SERVICES LLC------
342-327-30020ALLISON LEASE SERVICES LLC------