ROCKER B -Q-

Oil · District 7C · Lease #5289

Operator: JM COX RESOURCES, L.P.

Cum Oil

412k BBL

Cum Gas

1.8M MCF

casinghead

Wells

22

Production

1993-01 — 2020-07

Peak Month

1993-01

Production History

Cum Oil: 412,059 BBL Cum Gas: 1,809,809 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,633 BBL/mo

Di (annual)

6.5%

b-factor

0.0

EUR

466,974 BBL

R-squared

0.855

type

exponential

Operator History (from monthly production reports)

2018-09 — 2026-07 DISCOVERY NATURAL RESOURCES LLC 95 mo
2003-10 — 2018-08 JM COX RESOURCES, L.P. 179 mo
1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (22)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
26DISCOVERY NATURAL RESOURCES LLC17,0001991-12-27
27DISCOVERY NATURAL RESOURCES LLC17,0001991-12-23
25DISCOVERY NATURAL RESOURCES LLC17,2001984-05-11
23DISCOVERY NATURAL RESOURCES LLC17,4001984-03-26
21DISCOVERY NATURAL RESOURCES LLC17,4001984-03-21
22DISCOVERY NATURAL RESOURCES LLC17,3001983-12-22
24DISCOVERY NATURAL RESOURCES LLC17,3001983-12-22
20DISCOVERY NATURAL RESOURCES LLC17,3001983-09-21
19DISCOVERY NATURAL RESOURCES LLC17,4001983-06-21
18DISCOVERY NATURAL RESOURCES LLC17,0001983-04-05
17DISCOVERY NATURAL RESOURCES LLC17,5001983-02-22
4 XDISCOVERY NATURAL RESOURCES LLC17,4001982-09-02
8 XDISCOVERY NATURAL RESOURCES LLC17,4001982-09-02
14 XDISCOVERY NATURAL RESOURCES LLC17,4001982-08-16
3 XDISCOVERY NATURAL RESOURCES LLC17,5001981-12-31
2XDISCOVERY NATURAL RESOURCES LLC17,0001981-04-08
1142-383-11226DISCOVERY NATURAL RESOURCES LLC------
1242-383-11215DISCOVERY NATURAL RESOURCES LLC------
1542-383-11246DISCOVERY NATURAL RESOURCES LLC------
1D42-383-11253DISCOVERY NATURAL RESOURCES LLC------
642-383-11242DISCOVERY NATURAL RESOURCES LLC------
942-383-20435DISCOVERY NATURAL RESOURCES LLC------