ROCKER B 42 "A"

Oil · District 7C · Lease #11327

Operator: ZACHRY OPERATING

Cum Oil

30k BBL

Cum Gas

310k MCF

casinghead

Wells

3

Production

1993-01 — 2020-04

Peak Month

2016-07

Production History

Cum Oil: 30,391 BBL Cum Gas: 309,693 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

710 BBL/mo

Di (annual)

106.6%

b-factor

0.8

EUR

24,422 BBL

R-squared

0.656

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
1994-03 — 2003-09 YOCHAM OIL AND GAS COMPANY 115 mo
1993-01 — 1994-02 PARKER & PARSLEY DEVELOPMENT CO. 14 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
42NDISCOVERY NATURAL RESOURCES LLC210,9002012-08-02
2DISCOVERY NATURAL RESOURCES LLC17,5001985-01-22
1DISCOVERY NATURAL RESOURCES LLC17,5001984-11-29