COUNTISS HEIRS

Oil · District 04 · Lease #13597

Operator: HARPER HEFTE, INC.

Cum Oil

3k BBL

Cum Gas

0 MCF

Wells

1

Production

2010-03 — 2013-03

Peak Month

2010-03

Production History

Cum Oil: 2,826 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

229 BBL/mo

Di (annual)

81.6%

b-factor

0.1

EUR

3,724 BBL

R-squared

0.637

type

hyperbolic

Operator History (from monthly production reports)

2010-03 — 2015-10 HARPER HEFTE, INC. 68 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HARPER HEFTE INC.17,8002009-09-24