MCKEICHAN -A-

Oil · District 7B · Lease #9817

Operator: WHITE ROCK EXPLORATION, INC.

Cum Oil

13k BBL

Cum Gas

88k MCF

casinghead

Wells

3

Production

1993-01 — 2009-04

Peak Month

1996-05

Production History

Cum Oil: 13,171 BBL Cum Gas: 87,952 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

630 BBL/mo

Di (annual)

82.0%

b-factor

0.0

EUR

9,213 BBL

R-squared

0.516

type

exponential

Operator History (from monthly production reports)

2008-01 — 2026-07 POWELL-MCCARROLL PARTNERSHIP 223 mo
2006-04 — 2007-12 WHITE ROCK EXPLORATION, INC. 21 mo
2003-10 — 2006-03 CLAY, JERRY H. 30 mo
1993-01 — 2003-09 GOOPCO, INC. 129 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1POWELL-MCCARROLL PARTNERSHIP14,3802008-04-28
2POWELL-MCCARROLL PARTNERSHIP24,9992008-02-07
1 D42-447-00233TURNER & DUVALL------