ELROD "4A"

Oil · District 08 · Lease #38862

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

272k BBL

Cum Gas

442k MCF

casinghead

Wells

2

Production

2008-02 — 2026-04

Peak Month

2009-04

Production History

Cum Oil: 271,949 BBL Cum Gas: 441,582 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,617 BBL/mo

Di (annual)

38.1%

b-factor

1.0

EUR

341,727 BBL

R-squared

0.768

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2008-02 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 203 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC312,0002017-06-20
4DIAMONDBACK E&P LLC212,0002017-06-16