ALEX '20'

Oil · District 08 · Lease #38128

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

146k BBL

Cum Gas

130k MCF

casinghead

Wells

2

Production

2007-02 — 2026-04

Peak Month

2008-07

Production History

Cum Oil: 145,808 BBL Cum Gas: 130,039 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,119 BBL/mo

Di (annual)

35.0%

b-factor

0.5

EUR

130,449 BBL

R-squared

0.832

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2007-02 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 215 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC312,0002016-10-14
2DIAMONDBACK E&P LLC312,0002016-10-14