< leases

UNIVERSITY LANDS "BB"

Oil · District 08 · Lease #23956

Operator: SOUTHWEST ROYALTIES, INC.

Fields: WAR-WINK, W. (WOLFCAMP)

Cum Oil

549k BBL

Cum Gas

815k MCF

casinghead

Wells

8

Production

1993-01 — 2026-04

Peak Month

2008-04

Production History

Cum Oil: 549,117 BBL Cum Gas: 815,220 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,328 BBL/mo

Di (annual)

13.9%

b-factor

0.3

EUR

495,686 BBL

R-squared

0.709

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2019-01 — 2024-07 CALLON PETROLEUM OPERATING CO 67 mo
2018-08 — 2018-12 NOBLE ENERGY INC 5 mo
2017-12 — 2018-07 NBL PERMIAN LLC 8 mo
1993-01 — 2017-11 SOUTHWEST ROYALTIES, INC. 299 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-475-34490APACHE CORPORATION311,8002009-11-23
6H42-475-35353APACHE CORPORATION111,7002008-04-24
5H42-475-35282APACHE CORPORATION211,7002008-01-29
342-475-34491APACHE CORPORATION411,8002007-09-20
3H42-475-34491APACHE CORPORATION411,8002007-09-20
442-475-34668APACHE CORPORATION211,8002007-08-22
4H42-475-34668APACHE CORPORATION211,8002007-08-22
142-475-30682APACHE CORPORATION112,0052005-01-05