EILAND 23A

Oil · District 08 · Lease #42616

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

94k BBL

Cum Gas

319k MCF

casinghead

Wells

2

Production

2012-03 — 2026-04

Peak Month

2012-06

Production History

Cum Oil: 93,975 BBL Cum Gas: 318,864 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,352 BBL/mo

Di (annual)

18.0%

b-factor

0.0

EUR

90,338 BBL

R-squared

0.501

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-06 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 67 mo
2018-04 — 2019-05 BIRCH OPERATIONS, INC. 14 mo
2013-10 — 2018-03 BREITBURN OPERATING L.P. 54 mo
2012-03 — 2013-09 CROWNQUEST OPERATING, LLC 19 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC112,0002014-07-24
1DIAMONDBACK E&P LLC111,9002011-09-08