ROCKER "B" 41

Oil · District 7C · Lease #9725

Operator: ZACHRY OPERATING

Cum Oil

53k BBL

Cum Gas

273k MCF

casinghead

Wells

4

Production

1993-01 — 2024-02

Peak Month

2014-08

Production History

Cum Oil: 53,180 BBL Cum Gas: 272,936 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

959 BBL/mo

Di (annual)

55.8%

b-factor

0.5

EUR

38,468 BBL

R-squared

0.747

type

hyperbolic

Operator History (from monthly production reports)

2014-09 — 2026-07 DISCOVERY NATURAL RESOURCES LLC 143 mo
2011-02 — 2014-08 FIML NATURAL RESOURCES, LLC 43 mo
2003-10 — 2011-01 ZACHRY OPERATING 88 mo
1993-07 — 2003-09 YOCHAM OIL AND GAS COMPANY 123 mo
1993-01 — 1993-06 PARKER & PARSLEY DEVELOPMENT CO. 6 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
41HDISCOVERY NATURAL RESOURCES LLC310,0002012-09-20
42IDISCOVERY NATURAL RESOURCES LLC310,5002012-09-20
2DISCOVERY NATURAL RESOURCES LLC17,5001982-04-01
1DISCOVERY NATURAL RESOURCES LLC17,5001982-02-09