COWDEN, R,B, -A-

Oil · District 08 · Lease #34169

Operator: STEPHENS, AUTRY C.

Cum Oil

19k BBL

Cum Gas

40k MCF

casinghead

Wells

2

Production

1994-04 — 2010-09

Peak Month

1995-03

Production History

Cum Oil: 19,393 BBL Cum Gas: 40,176 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

852 BBL/mo

Di (annual)

38.3%

b-factor

0.4

EUR

42,736 BBL

R-squared

0.683

type

hyperbolic

Operator History (from monthly production reports)

2000-09 — 2013-07 ENDEAVOR ENERGY RESOURCES L.P. 155 mo
1996-02 — 2000-08 STEPHENS, AUTRY C. 55 mo
1994-04 — 1996-01 AMOCO PRODUCTION COMPANY 22 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7ENDEAVOR ENERGY RESOURCES L.P.28,7001992-11-13
7CENDEAVOR ENERGY RESOURCES L.P.28,7001992-11-13