STEPHENS 6-31 H1

Oil · District 08 · Lease #60529

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

230k BBL

Cum Gas

454k MCF

casinghead

Wells

1

Production

2023-07 — 2026-04

Peak Month

2024-02

Production History

Cum Oil: 229,695 BBL Cum Gas: 453,908 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28,200 BBL/mo

Di (annual)

244.7%

b-factor

0.2

EUR

173,321 BBL

R-squared

0.917

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2023-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
181RDIAMONDBACK E&P LLC111,0002023-05-19