MCKEICHEN "A"

Oil · District 7B · Lease #27995

Operator: WHITE ROCK EXPLORATION, INC.

Cum Oil

7k BBL

Cum Gas

29k MCF

casinghead

Wells

1

Production

1996-10 — 2015-01

Peak Month

2010-07

Production History

Cum Oil: 7,290 BBL Cum Gas: 29,334 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

530 BBL/mo

Di (annual)

82.9%

b-factor

0.0

EUR

7,667 BBL

R-squared

0.348

type

exponential

Operator History (from monthly production reports)

2018-02 — 2026-07 ROBUCK PETROLEUM, LLC 102 mo
2017-10 — 2018-01 GOOPCO, INC. 4 mo
2009-05 — 2017-09 POWELL-MCCARROLL PARTNERSHIP 101 mo
2006-04 — 2009-04 WHITE ROCK EXPLORATION, INC. 37 mo
2003-10 — 2006-03 CLAY, JERRY H. 30 mo
1996-10 — 2003-09 GOOPCO, INC. 84 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
B 1POWELL-MCCARROLL PARTNERSHIP23,4001996-08-29