BROCK UNIT

Oil · District 7B · Lease #6610

Operator: ZERO OIL COMPANY

Cum Oil

2k BBL

Cum Gas

48 MCF

casinghead

Wells

5

Production

1993-01 — 1998-09

Peak Month

1996-12

Production History

Cum Oil: 1,822 BBL Cum Gas: 48 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

59 BBL/mo

Di (annual)

173.0%

b-factor

0.0

EUR

403 BBL

R-squared

0.311

type

exponential

Operator History (from monthly production reports)

1997-01 — 2008-03 EXPANDING ENERGY CORPORATION 135 mo
1995-11 — 1996-12 AMERICAN ENERGY 14 mo
1993-01 — 1995-10 ZERO OIL COMPANY 34 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4 BEXPANDING ENERGY CORPORATION12,0001981-08-25
6 HEXPANDING ENERGY CORPORATION12,0001981-08-25
2 H42-059-01654EXPANDING ENERGY CORPORATION------
3B42-059-01645EXPANDING ENERGY CORPORATION------
3G42-059-01652EXPANDING ENERGY CORPORATION------