PROCTOR -28-

Oil · District 7C · Lease #13601

Operator: STEPHENS, AUTRY C.

Fields: CALVIN (DEAN)

Cum Oil

14k BBL

Cum Gas

34k MCF

casinghead

Wells

1

Production

1993-11 — 1995-10

Peak Month

1995-10

Production History

Cum Oil: 14,147 BBL Cum Gas: 34,381 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

973 BBL/mo

Di (annual)

213.3%

b-factor

2.0

EUR

74,714 BBL

R-squared

0.346

type

hyperbolic

Operator History (from monthly production reports)

1993-11 — 1996-02 STEPHENS, AUTRY C. 28 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENDEAVOR ENERGY RESOURCES L.P.49,2001994-04-05