HALL-PORTER 621-596 UNIT 1

Oil · District 08 · Lease #53631

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

1.3M BBL

Cum Gas

7.7M MCF

casinghead

Wells

10

Production

2019-10 — 2026-04

Peak Month

2022-07

Production History

Cum Oil: 1,294,071 BBL Cum Gas: 7,718,342 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

23,847 BBL/mo

Di (annual)

15.9%

b-factor

0.0

EUR

1,800,098 BBL

R-squared

0.307

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-10 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 63 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
231RDIAMONDBACK E&P LLC111,0002019-10-25
132DIAMONDBACK E&P LLC312,0002019-03-22
233DIAMONDBACK E&P LLC312,0002019-03-22
142DIAMONDBACK E&P LLC112,0002019-03-19
224DIAMONDBACK E&P LLC212,0002019-03-19
241DIAMONDBACK E&P LLC112,0002019-03-19
112DIAMONDBACK E&P LLC112,0002019-03-15
122DIAMONDBACK E&P LLC112,0002019-03-15
211DIAMONDBACK E&P LLC112,0002019-03-15
221DIAMONDBACK E&P LLC112,0002019-03-15