STEPHENS 6-31 E

Oil · District 08 · Lease #60005

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

1.5M BBL

Cum Gas

2.7M MCF

casinghead

Wells

5

Production

2023-02 — 2026-04

Peak Month

2024-03

Production History

Cum Oil: 1,483,992 BBL Cum Gas: 2,727,220 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

149,128 BBL/mo

Di (annual)

144.9%

b-factor

0.1

EUR

1,373,396 BBL

R-squared

0.961

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2023-02 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 23 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
254DIAMONDBACK E&P LLC111,0002022-09-23
151DIAMONDBACK E&P LLC111,0002022-09-19
152DIAMONDBACK E&P LLC111,0002022-09-19
153DIAMONDBACK E&P LLC111,0002022-09-19
255DIAMONDBACK E&P LLC111,0002022-09-19