MANSFIELD "B"

Oil · District 09 · Lease #30891

Operator: GONZENBACH OIL & GAS, LLC

Cum Oil

1k BBL

Cum Gas

282k MCF

casinghead

Wells

1

Production

2007-11 — 2025-06

Peak Month

2007-12

Production History

Cum Oil: 1,007 BBL Cum Gas: 281,546 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2020-01 — 2025-11 EXTECH OPERATING, LLC 71 mo
2017-01 — 2019-12 GONZENBACH OIL & GAS, LLC 36 mo
2007-11 — 2016-12 GLEN D. GONZENBACH, LLC 110 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3EXTECH OPERATING, LLC26,2002007-11-06