LONG-BRISTOW "21-22"

Oil · District 08 · Lease #38742

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

120k BBL

Cum Gas

231k MCF

casinghead

Wells

2

Production

2008-04 — 2026-04

Peak Month

2010-10

Production History

Cum Oil: 119,590 BBL Cum Gas: 231,304 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,151 BBL/mo

Di (annual)

14.4%

b-factor

0.3

EUR

127,754 BBL

R-squared

0.663

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2008-04 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 201 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002017-06-16
2DIAMONDBACK E&P LLC212,0002016-10-13