COLE RANCH "45"

Oil · District 08 · Lease #38311

Operator: REEF EXPLORATION, L.P.

Cum Oil

21k BBL

Cum Gas

59k MCF

casinghead

Wells

1

Production

2007-04 — 2026-02

Peak Month

2007-11

Production History

Cum Oil: 20,500 BBL Cum Gas: 59,413 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

167 BBL/mo

Di (annual)

10.6%

b-factor

0.0

EUR

18,757 BBL

R-squared

0.410

type

exponential

Operator History (from monthly production reports)

2019-02 — 2026-07 DIAMONDBACK E&P LLC 90 mo
2011-07 — 2019-01 ENERGEN RESOURCES CORPORATION 91 mo
2007-04 — 2011-06 REEF EXPLORATION, L.P. 51 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC28,7502006-12-14