TUNNELL "6"

Oil · District 08 · Lease #38384

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

326k BBL

Cum Gas

686k MCF

casinghead

Wells

2

Production

2007-09 — 2026-04

Peak Month

2018-05

Production History

Cum Oil: 325,665 BBL Cum Gas: 686,121 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,683 BBL/mo

Di (annual)

26.7%

b-factor

0.2

EUR

206,091 BBL

R-squared

0.650

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2007-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 208 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002018-07-06
2DIAMONDBACK E&P LLC312,0002014-07-01