GRANGER

Oil · District 8A · Lease #69083

Operator: CLARK, JOHN M., INC.

Cum Oil

83k BBL

Cum Gas

10k MCF

casinghead

Wells

1

Production

2007-04 — 2026-04

Peak Month

2007-05

Production History

Cum Oil: 82,999 BBL Cum Gas: 9,772 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

642 BBL/mo

Di (annual)

10.2%

b-factor

0.0

EUR

75,116 BBL

R-squared

0.472

type

exponential

Operator History (from monthly production reports)

2007-04 — 2026-07 CLARK, JOHN M., INC. 232 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CLARK, JOHN M., INC.16,0002007-01-29