GRIFFEN

Oil · District 08 · Lease #28139

Operator: PERMIAN RESOURCES, INC.

Cum Oil

22k BBL

Cum Gas

151k MCF

casinghead

Wells

2

Production

1993-01 — 2011-01

Peak Month

1993-07

Production History

Cum Oil: 22,243 BBL Cum Gas: 151,217 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

156 BBL/mo

Di (annual)

6.9%

b-factor

0.0

EUR

26,337 BBL

R-squared

0.313

type

exponential

Operator History (from monthly production reports)

2003-04 — 2020-10 ENDEAVOR ENERGY RESOURCES L.P. 211 mo
1993-01 — 2003-03 PERMIAN RESOURCES, INC. 123 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ENDEAVOR ENERGY RESOURCES L.P.18,1001986-05-20
1ENDEAVOR ENERGY RESOURCES L.P.18,0001983-04-15