ROCKER-B "12"

Oil · District 7C · Lease #11105

Operator: JM COX RESOURCES, L.P.

Cum Oil

9k BBL

Cum Gas

129k MCF

casinghead

Wells

2

Production

1993-01 — 2018-01

Peak Month

1993-07

Production History

Cum Oil: 8,713 BBL Cum Gas: 129,129 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

43 BBL/mo

Di (annual)

6.3%

b-factor

0.0

EUR

7,817 BBL

R-squared

0.326

type

exponential

Operator History (from monthly production reports)

2018-08 — 2026-07 DISCOVERY NATURAL RESOURCES LLC 96 mo
2003-10 — 2018-07 JM COX RESOURCES, L.P. 178 mo
1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DISCOVERY NATURAL RESOURCES LLC17,5001984-10-10
2DISCOVERY NATURAL RESOURCES LLC17,5001984-10-10