IRVIN FAMILY UNIT D

Oil · District 01 · Lease #16381

Operator: SILVERBOW RESOURCES OPER, LLC

Cum Oil

49k BBL

Cum Gas

176k MCF

casinghead

Wells

2

Production

2010-11 — 2025-07

Peak Month

2012-04

Production History

Cum Oil: 49,142 BBL Cum Gas: 175,830 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,524 BBL/mo

Di (annual)

80.9%

b-factor

0.5

EUR

43,085 BBL

R-squared

0.605

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
2011-03 — 2024-04 CHEYENNE PETROLEUM COMPANY 158 mo
2011-01 — 2011-02 AURORA RESOURCES CORPORATION 2 mo
2010-11 — 2010-12 PHILLIPS, JACK L. CO. 2 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCRESCENT ENERGY OPERATING LLC28,7002010-04-19
2CRESCENT ENERGY OPERATING LLC28,7002010-04-19