UNIVERSITY "4-10"

Oil · District 7C · Lease #8061

Operator: SABLE PERMIAN RESOURCES, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

96k BBL

Cum Gas

872k MCF

casinghead

Wells

5

Production

1993-01 — 2019-11

Peak Month

1995-07

Production History

Cum Oil: 96,147 BBL Cum Gas: 872,321 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,808 BBL/mo

Di (annual)

30.8%

b-factor

0.3

EUR

98,697 BBL

R-squared

0.856

type

hyperbolic

Operator History (from monthly production reports)

2023-11 — 2026-07 PERMIAN RESOURCES OPERATING, LLC 33 mo

2022-05 — 2023-10 EARTHSTONE OPERATING, LLC 18 mo

2021-02 — 2022-04 FDL OPERATING, LLC 15 mo

2019-01 — 2021-01 SABLE PERMIAN RESOURCES, LLC 25 mo

2017-07 — 2018-12 SABLE PERMIAN RESOURCES LAND,LLC 18 mo

2016-05 — 2017-06 PERMIAN RESOURCES, LLC 14 mo

2015-08 — 2016-04 AMERICAN ENERGY-PERM BASIN, LLC 9 mo

2006-04 — 2015-07 CHEVRON MIDCONTINENT, L.P. 112 mo

2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo

1994-12 — 2001-12 HALLWOOD PETROLEUM, INC. 85 mo

1993-01 — 1994-11 HALLWOOD ENERGY CORPORATION 23 mo

Wells (5)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
5	42-383-34333	PERMIAN RESOURCES OPERATING LLC	1	7,500	1995-01-10
4	42-383-34294	PERMIAN RESOURCES OPERATING LLC	1	7,500	1994-08-18
3	42-383-34267	SABLE PERMIAN RESOURCES, LLC	2	7,550	1994-04-18
1	42-383-31440	PERMIAN RESOURCES OPERATING LLC	1	7,425	1979-09-13
2	42-383-31441	PERMIAN RESOURCES OPERATING LLC	1	7,425	1979-09-13

UNIVERSITY "4-10"

Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (5)

Production History