< leases

UNIVERSITY "20-18"

Oil · District 08 · Lease #25021

Operator: SOUTHWEST ROYALTIES, INC.

Fields: WAR-WINK, S. (WOLFCAMP)

Cum Oil

318k BBL

Cum Gas

440k MCF

casinghead

Wells

5

Production

1993-01 — 2026-02

Peak Month

2010-08

Production History

Cum Oil: 318,329 BBL Cum Gas: 440,055 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,287 BBL/mo

Di (annual)

18.0%

b-factor

0.0

EUR

219,471 BBL

R-squared

0.734

type

exponential

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
2018-05 — 2021-02 OASIS PETROLEUM PERMIAN LLC 34 mo
2017-12 — 2018-04 NBL PERMIAN LLC 5 mo
2005-07 — 2017-11 SOUTHWEST ROYALTIES, INC. 149 mo
1993-01 — 2005-06 RMS ENERGY, INC. 150 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-475-32177APACHE CORPORATION212,0002022-04-22
5 R42-475-35643APACHE CORPORATION211,7002022-04-22
442-475-35562APACHE CORPORATION111,7002010-04-09
342-475-35516APACHE CORPORATION111,7002009-11-09
142-475-31684APACHE CORPORATION213,9002002-01-16