SOUTHWESTERN MEDICAL FOUNDATION

Oil · District 06 · Lease #14389

Operator: SAMSON LONE STAR LP

Cum Oil

27k BBL

Cum Gas

1.7M MCF

casinghead

Wells

6

Production

2005-04 — 2021-08

Peak Month

2007-06

Production History

Cum Oil: 27,064 BBL Cum Gas: 1,741,078 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

789 BBL/mo

Di (annual)

74.5%

b-factor

0.3

EUR

17,968 BBL

R-squared

0.897

type

hyperbolic

Operator History (from monthly production reports)

2017-10 — 2021-09 ROCKCLIFF ENERGY OPERATING LLC 48 mo
2007-07 — 2017-09 SAMSON LONE STAR, LLC 123 mo
2005-04 — 2007-06 SAMSON LONE STAR LP 27 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6TGNR EAST TEXAS II LLC110,5002005-08-11
5TGNR EAST TEXAS II LLC110,5002005-06-02
3ROCKCLIFF ENERGY OPERATING LLC110,5002005-01-05
2TGNR EAST TEXAS II LLC210,5002004-09-09
2ATGNR EAST TEXAS II LLC210,5002004-09-09
1ROCKCLIFF ENERGY OPERATING LLC210,2002004-06-15