PEMBROOK, RALPH -A-

Oil · District 7C · Lease #5918

Operator: STEPHENS, AUTRY C.

Cum Oil

135k BBL

Cum Gas

187k MCF

casinghead

Wells

4

Production

1993-01 — 2018-10

Peak Month

2000-10

Production History

Cum Oil: 135,049 BBL Cum Gas: 186,979 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

874 BBL/mo

Di (annual)

7.3%

b-factor

0.0

EUR

139,845 BBL

R-squared

0.418

type

exponential

Operator History (from monthly production reports)

2000-09 — 2023-04 ENDEAVOR ENERGY RESOURCES L.P. 272 mo
1995-02 — 2000-08 STEPHENS, AUTRY C. 67 mo
1994-08 — 1995-01 MIDPAR L.P. 6 mo
1993-01 — 1994-07 PG&E RESOURCES COMPANY 19 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENDEAVOR ENERGY RESOURCES L.P.17,2801979-08-31
2ENDEAVOR ENERGY RESOURCES L.P.16,8081979-02-13
342-461-01891ENDEAVOR ENERGY RESOURCES L.P.------
442-461-01892ENDEAVOR ENERGY RESOURCES L.P.------