CROMWELL

Oil · District 01 · Lease #15595

Operator: SILVERBOW RESOURCES OPER, LLC

Cum Oil

897k BBL

Cum Gas

878k MCF

casinghead

Wells

7

Production

2011-06 — 2026-04

Peak Month

2012-06

Production History

Cum Oil: 896,919 BBL Cum Gas: 877,831 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,193 BBL/mo

Di (annual)

148.5%

b-factor

1.0

EUR

879,951 BBL

R-squared

0.765

type

hyperbolic

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
2011-06 — 2024-04 CHEYENNE PETROLEUM COMPANY 155 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7HSILVERBOW RESOURCES OPER, LLC38,8002018-12-31
8HSILVERBOW RESOURCES OPER, LLC28,8002018-12-31
6HSILVERBOW RESOURCES OPER, LLC18,8002012-05-10
5HSILVERBOW RESOURCES OPER, LLC18,8002012-05-09
4HSILVERBOW RESOURCES OPER, LLC212,0002011-07-08
3HSILVERBOW RESOURCES OPER, LLC212,0002011-02-11
2HSILVERBOW RESOURCES OPER, LLC18,6352011-02-03