CAUBLE 21-30

Oil · District 7C · Lease #20368

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

1.2M BBL

Cum Gas

8.6M MCF

casinghead

Wells

4

Production

2019-05 — 2026-04

Peak Month

2019-09

Production History

Cum Oil: 1,179,146 BBL Cum Gas: 8,614,647 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

73,466 BBL/mo

Di (annual)

202.9%

b-factor

0.9

EUR

1,717,807 BBL

R-squared

0.961

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-05 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 68 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
221DIAMONDBACK E&P LLC111,0002018-12-07
231DIAMONDBACK E&P LLC111,0002018-12-07
241DIAMONDBACK E&P LLC111,0002018-12-07
242DIAMONDBACK E&P LLC211,0002018-12-07