HAMBRICK

Oil · District 8A · Lease #68437

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

33k BBL

Cum Gas

58k MCF

casinghead

Wells

2

Production

2002-05 — 2026-04

Peak Month

2004-05

Production History

Cum Oil: 33,288 BBL Cum Gas: 58,154 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

415 BBL/mo

Di (annual)

18.9%

b-factor

0.0

EUR

26,238 BBL

R-squared

0.857

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2002-05 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 272 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC39,4002004-02-27
1DIAMONDBACK E&P LLC39,4002002-03-21