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COX

Oil · District 08 · Lease #43078

Operator: ROCK FISH OPERATING LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

40k BBL

Cum Gas

57k MCF

casinghead

Wells

1

Production

2012-08 — 2026-04

Peak Month

2012-10

Production History

Cum Oil: 39,999 BBL Cum Gas: 57,299 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

785 BBL/mo

Di (annual)

39.9%

b-factor

0.3

EUR

33,384 BBL

R-squared

0.485

type

hyperbolic

Operator History (from monthly production reports)

2026-04 — 2026-07 ROCK FISH OPERATING LLC 4 mo
2022-10 — 2026-03 FLAT TOP OPERATING, LLC 42 mo
2021-03 — 2022-09 HEXP OPERATING, LLC 19 mo
2020-06 — 2021-02 BAM PERMIAN OPERATING, LLC 9 mo
2018-06 — 2020-05 PARSLEY ENERGY OPERATIONS, LLC 24 mo
2015-02 — 2018-05 ENCANA OIL & GAS(USA) INC. 40 mo
2014-04 — 2015-01 ATHLON HOLDINGS LP 10 mo
2012-08 — 2014-03 PIEDRA OPERATING, LLC 20 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-317-37687ROCK FISH OPERATING LLC111,0002012-04-16