GRANTHAM 46

Oil · District 08 · Lease #41001

Operator: ENERGEN RESOURCES CORPORATION

Cum Oil

137k BBL

Cum Gas

600k MCF

casinghead

Wells

3

Production

2011-03 — 2026-04

Peak Month

2011-09

Production History

Cum Oil: 136,799 BBL Cum Gas: 600,226 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,328 BBL/mo

Di (annual)

48.9%

b-factor

0.6

EUR

119,912 BBL

R-squared

0.401

type

hyperbolic

Operator History (from monthly production reports)

2019-02 — 2026-07 DIAMONDBACK E&P LLC 90 mo
2011-12 — 2019-01 ENERGEN RESOURCES CORPORATION 86 mo
2011-03 — 2011-11 COBRA OIL & GAS CORPORATION 9 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002013-03-19
3DIAMONDBACK E&P LLC112,0002012-03-08
2DIAMONDBACK E&P LLC112,0002011-09-03