COLE RANCH "44"

Oil · District 08 · Lease #38310

Operator: REEF EXPLORATION, L.P.

Cum Oil

59k BBL

Cum Gas

143k MCF

casinghead

Wells

3

Production

2007-04 — 2026-04

Peak Month

2007-09

Production History

Cum Oil: 59,210 BBL Cum Gas: 142,674 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

980 BBL/mo

Di (annual)

441.0%

b-factor

1.7

EUR

39,979 BBL

R-squared

0.592

type

hyperbolic

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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC111,5002012-08-10
2DIAMONDBACK E&P LLC18,7502007-01-05
1DIAMONDBACK E&P LLC28,7502006-12-14