ONA 44-3 E

Oil · District 08 · Lease #52934

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

410k BBL

Cum Gas

2.3M MCF

casinghead

Wells

1

Production

2019-09 — 2026-04

Peak Month

2019-12

Production History

Cum Oil: 410,467 BBL Cum Gas: 2,320,552 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,367 BBL/mo

Di (annual)

172.7%

b-factor

0.7

EUR

525,727 BBL

R-squared

0.993

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 64 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
261DIAMONDBACK E&P LLC111,0002019-03-07