FROST NATIONAL BANK TRUST

Gas · District 01 · Lease #133985

Operator: SAN ANTONIO GAS & OIL, INC.

Cum Oil

0 BBL

Cum Gas

256k MCF

Wells

1

Production

1993-01 — 2012-08

Peak Month

1993-07

Production History

Cum Oil: 0 BBL Cum Gas: 256,257 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

1998-10 — 2014-10 CARRIZO EXPLORATION, INC. 193 mo
1993-01 — 1998-09 SAN ANTONIO GAS & OIL, INC. 69 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8CARRIZO EXPLORATION INC.14,0001990-02-12