< leases

UNIVERSITY "18-4"

Oil · District 08 · Lease #26163

Operator: PERCUSSION PETROLEUM OPER II,LLC

Fields: WAR-WINK, S. (WOLFCAMP)

Cum Oil

162k BBL

Cum Gas

141k MCF

casinghead

Wells

2

Production

1993-01 — 2022-03

Peak Month

1995-07

Production History

Cum Oil: 162,364 BBL Cum Gas: 140,696 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,705 BBL/mo

Di (annual)

16.8%

b-factor

0.2

EUR

148,978 BBL

R-squared

0.698

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2023-08 — 2024-07 CALLON PERMIAN II, LLC 12 mo
2021-03 — 2023-07 PERCUSSION PETROLEUM OPER II,LLC 29 mo
2019-12 — 2021-02 OASIS PETROLEUM PERMIAN LLC 15 mo
1999-10 — 2019-11 EOG RESOURCES, INC. 242 mo
1993-01 — 1999-09 ENRON OIL & GAS COMPANY 81 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-475-32169APACHE CORPORATION113,5001980-08-08
242-475-31989APACHE CORPORATION112,2001979-11-20