HUBBARD "18-B"

Oil · District 08 · Lease #37193

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

53k BBL

Cum Gas

235k MCF

casinghead

Wells

2

Production

2003-09 — 2026-02

Peak Month

2004-01

Production History

Cum Oil: 52,988 BBL Cum Gas: 234,760 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,729 BBL/mo

Di (annual)

514.9%

b-factor

1.4

EUR

44,197 BBL

R-squared

0.776

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2003-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 256 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002017-09-29
2DIAMONDBACK E&P LLC211,0002017-09-29