SHIRLEY "A"

Oil · District 08 · Lease #41264

Operator: SUMMIT PETROLEUM LLC

Cum Oil

60k BBL

Cum Gas

82k MCF

casinghead

Wells

2

Production

2011-04 — 2023-01

Peak Month

2013-05

Production History

Cum Oil: 59,856 BBL Cum Gas: 81,636 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

709 BBL/mo

Di (annual)

25.6%

b-factor

0.0

EUR

33,170 BBL

R-squared

0.410

type

exponential

Operator History (from monthly production reports)

2022-12 — 2024-03 DIAMONDBACK E&P LLC 16 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
2011-04 — 2012-02 SUMMIT PETROLEUM LLC 11 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3409DIAMONDBACK E&P LLC111,5002012-09-13
3411DIAMONDBACK E&P LLC211,1002011-01-11