DOUBLE BARREL UNIT

Oil · District 01 · Lease #12925

Operator: ZORRA OIL & GAS

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

81k BBL

Cum Gas

20 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 80,607 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,157 BBL/mo

Di (annual)

231.2%

b-factor

1.3

EUR

43,732 BBL

R-squared

0.454

type

hyperbolic

Operator History (from monthly production reports)

2023-05 — 2026-07 BRITANCO, L.L.C. 39 mo

1999-07 — 2023-04 ZORRA OIL & GAS 286 mo

1998-01 — 1999-06 PETRO-GUARD PRODUCTION,L.L.C. 18 mo

1993-01 — 1997-12 PETRO-GUARD COMPANY, INC. 60 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-163-32984	BRITANCO, L.L.C.	2	6,820	1991-01-22