CAVE "9N"

Oil · District 08 · Lease #40140

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

75k BBL

Cum Gas

39k MCF

casinghead

Wells

2

Production

2010-06 — 2026-04

Peak Month

2014-06

Production History

Cum Oil: 75,411 BBL Cum Gas: 38,805 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

554 BBL/mo

Di (annual)

10.3%

b-factor

0.5

EUR

92,990 BBL

R-squared

0.644

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2010-06 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 175 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002013-05-06
2DIAMONDBACK E&P LLC312,0002013-05-06