ROCKER B -82-

Oil · District 7C · Lease #6371

Operator: JM COX RESOURCES, L.P.

Cum Oil

64k BBL

Cum Gas

361k MCF

casinghead

Wells

8

Production

1993-01 — 2020-02

Peak Month

2015-05

Production History

Cum Oil: 63,941 BBL Cum Gas: 360,991 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,701 BBL/mo

Di (annual)

91.2%

b-factor

0.0

EUR

22,371 BBL

R-squared

0.330

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 (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9DISCOVERY NATURAL RESOURCES LLC111,0002013-08-02
10DISCOVERY NATURAL RESOURCES LLC111,0002013-07-18
242-235-30318DISCOVERY NATURAL RESOURCES LLC------
342-235-30435DISCOVERY NATURAL RESOURCES LLC------
442-235-30436DISCOVERY NATURAL RESOURCES LLC------
542-235-30366DISCOVERY NATURAL RESOURCES LLC------
742-235-30376DISCOVERY NATURAL RESOURCES LLC------
842-235-30390DISCOVERY NATURAL RESOURCES LLC------