< leases

SANTA RITA UNIVERSITY 9-35

Oil · District 7C · Lease #17521

Operator: SINCLAIR DEVELOPMENT, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

4k BBL

Cum Gas

13k MCF

casinghead

Wells

1

Production

2011-06 — 2017-12

Peak Month

2011-12

Production History

Cum Oil: 4,050 BBL Cum Gas: 13,245 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

287 BBL/mo

Di (annual)

90.2%

b-factor

0.1

EUR

4,215 BBL

R-squared

0.611

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
2014-08 — 2016-04 AMERICAN ENERGY-PERM BASIN, LLC 21 mo
2013-09 — 2014-07 SINCLAIR DEVELOPMENT, LLC 11 mo
2011-06 — 2013-08 BC OPERATING, INC. 27 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-383-37212PERMIAN RESOURCES OPERATING LLC211,0002011-03-11