SHIRLEY -B-

Oil · District 08 · Lease #44595

Operator: FIREBIRD ENERGY LLC

Cum Oil

75k BBL

Cum Gas

93k MCF

casinghead

Wells

1

Production

2012-09 — 2026-04

Peak Month

2012-10

Production History

Cum Oil: 74,809 BBL Cum Gas: 92,819 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

719 BBL/mo

Di (annual)

9.0%

b-factor

0.0

EUR

94,406 BBL

R-squared

0.334

type

exponential

Operator History (from monthly production reports)

2022-12 — 2026-07 DIAMONDBACK E&P LLC 44 mo
2022-06 — 2022-11 FIREBIRD ENERGY LLC 6 mo
2019-02 — 2022-05 DIAMONDBACK E&P LLC 40 mo
2012-09 — 2019-01 ENERGEN RESOURCES CORPORATION 77 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3815RDIAMONDBACK E&P LLC311,0002012-04-18