COWDEN, R. B. - AB -

Oil · District 08 · Lease #34171

Operator: STEPHENS, AUTRY C.

Cum Oil

34k BBL

Cum Gas

95k MCF

casinghead

Wells

2

Production

1994-03 — 2024-07

Peak Month

1995-12

Production History

Cum Oil: 34,275 BBL Cum Gas: 94,669 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

612 BBL/mo

Di (annual)

68.3%

b-factor

0.9

EUR

34,306 BBL

R-squared

0.562

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 OCTANE ENERGY OPERATING, LLC 9 mo
2023-11 — 2025-10 FIVESTONES ENERGY LLC 24 mo
2000-09 — 2023-10 ENDEAVOR ENERGY RESOURCES L.P. 278 mo
1996-02 — 2000-08 STEPHENS, AUTRY C. 55 mo
1994-03 — 1996-01 AMOCO PRODUCTION COMPANY 23 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8OCTANE ENERGY OPERATING, LLC48,6002024-05-22
8COCTANE ENERGY OPERATING, LLC48,6002024-05-22