< leases

WIER

Oil · District 01 · Lease #12528

Operator: WSM LLC

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

23k BBL

Cum Gas

43 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-04

Production History

Cum Oil: 23,004 BBL Cum Gas: 43 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2025-07 — 2026-07 AARONMARK SERVICES, LLC 13 mo
2023-12 — 2025-06 WSM LLC 19 mo
2018-08 — 2023-11 WSM 64 mo
2007-02 — 2018-07 WEN-BE 138 mo
2005-08 — 2007-01 LEASE ROLLOVER OPERATIONS, INC. 18 mo
2002-08 — 2005-07 NORTHSTAR ENERGY, INC. 36 mo
2000-02 — 2002-07 MR OPERATING, INC. 30 mo
1994-06 — 2000-01 OLMOS PARTNERS, INC. 68 mo
1993-01 — 1994-05 PENWELL ENERGY, INC. 17 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-163-32686AARONMARK SERVICES, LLC19,5001990-03-28