< leases

ANGIE "A"

Oil · District 08 · Lease #39675

Operator: SUMMIT PETROLEUM LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

121k BBL

Cum Gas

200k MCF

casinghead

Wells

3

Production

2009-09 — 2022-08

Peak Month

2010-02

Production History

Cum Oil: 120,627 BBL Cum Gas: 200,012 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,058 BBL/mo

Di (annual)

42.5%

b-factor

0.0

EUR

114,626 BBL

R-squared

0.845

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2020-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 54 mo
2019-02 — 2020-06 DIAMONDBACK E&P LLC 17 mo
2012-03 — 2019-01 ENERGEN RESOURCES CORPORATION 83 mo
2009-09 — 2012-02 SUMMIT PETROLEUM LLC 30 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
310142-329-36316DIAMONDBACK E&P LLC111,0002009-07-07
310542-329-36317DIAMONDBACK E&P LLC111,0002009-07-07
311342-329-36309DIAMONDBACK E&P LLC111,0002009-05-21