< leases

WEST PARKS "31"

Oil · District 08 · Lease #35596

Operator: SUMMIT PETROLEUM LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

138k BBL

Cum Gas

228k MCF

casinghead

Wells

4

Production

1997-11 — 2026-04

Peak Month

2010-11

Production History

Cum Oil: 137,999 BBL Cum Gas: 227,543 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,147 BBL/mo

Di (annual)

173.0%

b-factor

0.8

EUR

94,194 BBL

R-squared

0.937

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2020-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 54 mo
2019-02 — 2020-06 DIAMONDBACK E&P LLC 17 mo
2012-06 — 2019-01 ENERGEN RESOURCES CORPORATION 80 mo
2010-03 — 2012-05 SUMMIT PETROLEUM LLC 27 mo
2002-01 — 2010-02 BP AMERICA PRODUCTION COMPANY 98 mo
1997-11 — 2001-12 ARCO PERMIAN 50 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
311042-329-36610DIAMONDBACK E&P LLC111,0002010-06-04
311442-329-36611DIAMONDBACK E&P LLC111,0002010-06-04
310242-329-36609DIAMONDBACK E&P LLC111,0002010-05-10
142-329-33852DIAMONDBACK E&P LLC110,2001997-08-11