ROCKER B -C-

Oil · District 7C · Lease #4476

Operator: JM COX RESOURCES, L.P.

Cum Oil

117k BBL

Cum Gas

1.7M MCF

casinghead

Wells

13

Production

1993-01 — 2018-10

Peak Month

1993-03

Production History

Cum Oil: 117,244 BBL Cum Gas: 1,749,628 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

973 BBL/mo

Di (annual)

113.6%

b-factor

0.0

EUR

10,275 BBL

R-squared

0.734

type

exponential

Operator History (from monthly production reports)

2018-09 — 2019-01 DISCOVERY NATURAL RESOURCES LLC 5 mo
2003-10 — 2018-08 JM COX RESOURCES, L.P. 179 mo
1993-11 — 2003-09 COX, JOHN L. 119 mo
1993-01 — 1993-10 GRAHAM ROYALTY, LTD. 10 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14DISCOVERY NATURAL RESOURCES LLC111,0002015-12-03
13DISCOVERY NATURAL RESOURCES LLC17,2001996-11-27
12DISCOVERY NATURAL RESOURCES LLC17,3001985-11-19
11DISCOVERY NATURAL RESOURCES LLC17,2001985-08-26
10DISCOVERY NATURAL RESOURCES LLC17,4001985-04-22
9DISCOVERY NATURAL RESOURCES LLC17,4001983-12-08
3 XDISCOVERY NATURAL RESOURCES LLC17,4001982-04-07
7 XDISCOVERY NATURAL RESOURCES LLC17,4001982-04-01
1 XDISCOVERY NATURAL RESOURCES LLC17,0001981-05-28
5XDISCOVERY NATURAL RESOURCES LLC17,5001980-05-12
442-383-10074DISCOVERY NATURAL RESOURCES LLC------
642-383-10076DISCOVERY NATURAL RESOURCES LLC------
842-383-10078DISCOVERY NATURAL RESOURCES LLC------