PHILLIPS

Oil · District 08 · Lease #35263

Operator: STEPHENS, AUTRY C.

Fields: B.C. (DEAN)

Cum Oil

49k BBL

Cum Gas

50k MCF

casinghead

Wells

1

Production

1997-02 — 2002-12

Peak Month

1997-04

Production History

Cum Oil: 49,134 BBL Cum Gas: 49,974 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,893 BBL/mo

Di (annual)

53.2%

b-factor

0.1

EUR

47,368 BBL

R-squared

0.895

type

hyperbolic

Operator History (from monthly production reports)

2000-09 — 2005-06 ENDEAVOR ENERGY RESOURCES L.P. 58 mo
1998-12 — 2000-08 STEPHENS, AUTRY C. 21 mo
1997-02 — 1998-11 LYCO ENERGY CORPORATION 22 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ENDEAVOR ENERGY RESOURCES L.P.18,0001996-11-26