GRAHAM LAKE

Oil · District 7B · Lease #27526

Operator: HEART LAND PETROLEUM CORPORATION

Cum Oil

9k BBL

Cum Gas

10k MCF

casinghead

Wells

1

Production

1994-12 — 2002-10

Peak Month

1994-12

Production History

Cum Oil: 9,099 BBL Cum Gas: 9,628 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

477 BBL/mo

Di (annual)

277.0%

b-factor

0.6

EUR

4,732 BBL

R-squared

0.623

type

hyperbolic

Operator History (from monthly production reports)

1994-12 — 2008-03 HEART LAND PETROLEUM CORPORATION 160 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEART LAND PETROLEUM CORPORATION14,5001994-10-28