EL REY 28-16

Oil · District 08 · Lease #62721

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

875k BBL

Cum Gas

511k MCF

casinghead

Wells

5

Production

2024-12 — 2026-04

Peak Month

2025-06

Production History

Cum Oil: 874,516 BBL Cum Gas: 510,927 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

149,766 BBL/mo

Di (annual)

440.4%

b-factor

1.2

EUR

3,136,117 BBL

R-squared

0.979

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2024-12 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 1 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2WBDIAMONDBACK E&P LLC110,0002025-10-03
1WBDIAMONDBACK E&P LLC211,0002024-08-16
1DNDIAMONDBACK E&P LLC211,0002024-08-15
1LSDIAMONDBACK E&P LLC211,0002024-08-15
1WADIAMONDBACK E&P LLC211,0002024-08-15