BARNSLEY -4-

Oil · District 08 · Lease #29428

Operator: PERMIAN RESOURCES, INC.

Cum Oil

15k BBL

Cum Gas

2k MCF

casinghead

Wells

1

Production

1993-01 — 2020-02

Peak Month

1997-10

Production History

Cum Oil: 15,184 BBL Cum Gas: 2,097 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

76 BBL/mo

Di (annual)

7.9%

b-factor

0.0

EUR

11,338 BBL

R-squared

0.458

type

exponential

Operator History (from monthly production reports)

2021-09 — 2026-07 EXTEX OPERATING COMPANY 59 mo
2003-04 — 2021-08 ENDEAVOR ENERGY RESOURCES L.P. 221 mo
1998-10 — 2003-03 PERMIAN RESOURCES, INC. 54 mo
1995-05 — 1998-09 LION PRODUCTION, INC. 41 mo
1993-01 — 1995-04 OIL MANAGEMENT CORPORATION 28 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
310EXTEX OPERATING COMPANY14,8501984-12-28