ROCKER B -H-

Oil · District 7C · Lease #4586

Operator: JM COX RESOURCES, L.P.

Cum Oil

96k BBL

Cum Gas

1.0M MCF

casinghead

Wells

8

Production

1993-01 — 2023-09

Peak Month

1993-04

Production History

Cum Oil: 95,953 BBL Cum Gas: 1,000,107 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

581 BBL/mo

Di (annual)

7.3%

b-factor

0.0

EUR

93,454 BBL

R-squared

0.571

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
1993-11 — 2003-09 COX, JOHN L. 119 mo
1993-01 — 1993-10 GRAHAM ROYALTY, LTD. 10 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8DISCOVERY NATURAL RESOURCES LLC17,2501991-12-09
7DISCOVERY NATURAL RESOURCES LLC17,3001984-04-30
6DISCOVERY NATURAL RESOURCES LLC17,4001983-06-09
5DISCOVERY NATURAL RESOURCES LLC17,5001983-03-31
142-383-10096DISCOVERY NATURAL RESOURCES LLC------
242-383-10097DISCOVERY NATURAL RESOURCES LLC------
342-383-10098DISCOVERY NATURAL RESOURCES LLC------
442-383-10099DISCOVERY NATURAL RESOURCES LLC------