CRAWFORD -7-

Oil · District 08 · Lease #35880

Operator: STEPHENS, AUTRY C.

Cum Oil

59k BBL

Cum Gas

114k MCF

casinghead

Wells

2

Production

1998-07 — 2019-10

Peak Month

2001-10

Production History

Cum Oil: 59,432 BBL Cum Gas: 113,717 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

836 BBL/mo

Di (annual)

33.9%

b-factor

0.8

EUR

72,209 BBL

R-squared

0.674

type

hyperbolic

Operator History (from monthly production reports)

2000-09 — 2020-04 ENDEAVOR ENERGY RESOURCES L.P. 236 mo
1999-10 — 2000-08 STEPHENS, AUTRY C. 11 mo
1998-07 — 1999-09 MIDLAND ENERGY, INC. 15 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
107ENDEAVOR ENERGY RESOURCES L.P.312,5002001-09-13
1PIONEER NATURAL RES. USA INC.19,8001981-07-29