MASSIE 7-8 H

Oil · District 7C · Lease #21908

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

414k BBL

Cum Gas

1.3M MCF

casinghead

Wells

2

Production

2022-10 — 2026-04

Peak Month

2022-12

Production History

Cum Oil: 414,216 BBL Cum Gas: 1,298,351 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

34,698 BBL/mo

Di (annual)

226.7%

b-factor

0.9

EUR

739,723 BBL

R-squared

0.984

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2022-10 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 27 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
281DIAMONDBACK E&P LLC111,0002022-03-03
282DIAMONDBACK E&P LLC111,0002022-03-03