HEFLEY 13

Oil · District 10 · Lease #7601

Operator: SAMSON LONE STAR LP

Cum Oil

32k BBL

Cum Gas

456k MCF

casinghead

Wells

1

Production

2005-07 — 2009-01

Peak Month

2005-07

Production History

Cum Oil: 31,577 BBL Cum Gas: 456,354 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,165 BBL/mo

Di (annual)

115.0%

b-factor

0.3

EUR

32,132 BBL

R-squared

0.946

type

hyperbolic

Operator History (from monthly production reports)

2007-07 — 2009-06 SAMSON LONE STAR, LLC 24 mo
2005-07 — 2007-06 SAMSON LONE STAR LP 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3MMGL TXPH, LLC113,5002005-02-16