COOPER 27-26 SOUTH UNIT

Oil · District 08 · Lease #51726

Operator: PERMIAN RESOURCES OPERATING, LLC

Cum Oil

1.5M BBL

Cum Gas

2.8M MCF

casinghead

Wells

4

Production

2019-01 — 2026-04

Peak Month

2019-03

Production History

Cum Oil: 1,467,141 BBL Cum Gas: 2,771,049 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

173,691 BBL/mo

Di (annual)

682.3%

b-factor

1.1

EUR

2,190,622 BBL

R-squared

0.930

type

hyperbolic

Operator History (from monthly production reports)

2024-11 — 2026-07 PERMIAN RESOURCES OPERATING, LLC 21 mo
2019-01 — 2024-10 OXY USA WTP LP 70 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
83WHPERMIAN RESOURCES OPERATING, LLC214,0002018-08-29
15WHPERMIAN RESOURCES OPERATING, LLC214,0002018-04-20
84WHPERMIAN RESOURCES OPERATING, LLC214,0002018-04-20
14WHPERMIAN RESOURCES OPERATING, LLC214,0002018-04-19