IRVIN FAMILY UNIT A

Oil · District 01 · Lease #15729

Operator: SILVERBOW RESOURCES OPER, LLC

Cum Oil

1.2M BBL

Cum Gas

1.0M MCF

casinghead

Wells

5

Production

2011-04 — 2026-04

Peak Month

2017-09

Production History

Cum Oil: 1,178,260 BBL Cum Gas: 1,011,842 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

23,667 BBL/mo

Di (annual)

29.0%

b-factor

0.0

EUR

979,677 BBL

R-squared

0.631

type

exponential

Operator History (from monthly production reports)

2026-05 — 2026-07 CRESCENT ENERGY OPERATING, LLC 3 mo
2024-05 — 2026-04 SILVERBOW RESOURCES OPER, LLC 24 mo
2011-04 — 2024-04 CHEYENNE PETROLEUM COMPANY 157 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HSILVERBOW RESOURCES OPER, LLC18,5292017-02-02
5HSILVERBOW RESOURCES OPER, LLC18,5292017-02-02
2HSILVERBOW RESOURCES OPER, LLC18,5292017-01-25
3HSILVERBOW RESOURCES OPER, LLC18,5292017-01-25
1HSILVERBOW RESOURCES OPER, LLC38,5002010-08-02