ELKIN "42A"

Oil · District 08 · Lease #37817

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

71k BBL

Cum Gas

98k MCF

casinghead

Wells

1

Production

2005-07 — 2026-04

Peak Month

2005-07

Production History

Cum Oil: 70,820 BBL Cum Gas: 97,823 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,615 BBL/mo

Di (annual)

188.0%

b-factor

1.5

EUR

86,960 BBL

R-squared

0.687

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2005-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 234 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HDIAMONDBACK E&P LLC415,5532005-04-22