< leases

O'BRIEN 44

Oil · District 08 · Lease #25295

Operator: PARSLEY ENERGY OPERATIONS, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

40k BBL

Cum Gas

28k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1993-08

Production History

Cum Oil: 40,135 BBL Cum Gas: 28,299 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2020-12 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 49 mo
2017-05 — 2020-11 PARSLEY ENERGY OPERATIONS, LLC 43 mo
2016-11 — 2017-04 DE OPERATING LLC 6 mo
2004-01 — 2016-10 NORTHSTAR OPERATING COMPANY 154 mo
1996-02 — 2003-12 LIMARK CORPORATION 95 mo
1993-01 — 1996-01 MWJ PRODUCING COMPANY 37 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-329-30814DIAMONDBACK E&P LLC18,6001978-10-16