ERNST

Oil · District 7C · Lease #15298

Operator: LONE STAR PRODUCTION

Cum Oil

23k BBL

Cum Gas

3k MCF

casinghead

Wells

1

Production

2002-09 — 2018-07

Peak Month

2002-12

Production History

Cum Oil: 22,954 BBL Cum Gas: 3,029 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,175 BBL/mo

Di (annual)

191.0%

b-factor

0.7

EUR

20,591 BBL

R-squared

0.905

type

hyperbolic

Operator History (from monthly production reports)

2011-02 — 2019-11 LONE STAR PRODUCTION 106 mo
2007-06 — 2011-01 CEDAR OIL COMPANY 44 mo
2002-09 — 2007-05 BEX, INC. 57 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ALONE STAR PRODUCTION24,7002019-01-07