COLLIE A WEST

Oil · District 08 · Lease #51588

Operator: PERMIAN RESOURCES OPERATING, LLC

Cum Oil

314k BBL

Cum Gas

1.4M MCF

casinghead

Wells

1

Production

2019-02 — 2026-04

Peak Month

2019-02

Production History

Cum Oil: 313,517 BBL Cum Gas: 1,365,846 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,283 BBL/mo

Di (annual)

168.2%

b-factor

0.7

EUR

398,997 BBL

R-squared

0.887

type

hyperbolic

Operator History (from monthly production reports)

2023-03 — 2026-07 PERMIAN RESOURCES OPERATING, LLC 41 mo
2021-09 — 2023-02 COLGATE OPERATING, LLC 18 mo
2019-02 — 2021-08 OXY USA INC. 31 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
S 81HPERMIAN RESOURCES OPERATING, LLC213,0002018-09-06