SHIRLEY

Oil · District 08 · Lease #40349

Operator: SUMMIT PETROLEUM LLC

Cum Oil

129k BBL

Cum Gas

183k MCF

casinghead

Wells

3

Production

2010-06 — 2026-04

Peak Month

2013-05

Production History

Cum Oil: 128,967 BBL Cum Gas: 183,291 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,113 BBL/mo

Di (annual)

128.0%

b-factor

1.1

EUR

138,334 BBL

R-squared

0.797

type

hyperbolic

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
2012-03 — 2019-01 ENERGEN RESOURCES CORPORATION 83 mo
2010-06 — 2012-02 SUMMIT PETROLEUM LLC 21 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3808DIAMONDBACK E&P LLC111,5002012-09-13
3807DIAMONDBACK E&P LLC111,5002010-07-30
3806DIAMONDBACK E&P LLC111,5002010-02-05