HERREN "5-8"

Oil · District 08 · Lease #39339

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

216k BBL

Cum Gas

941k MCF

casinghead

Wells

5

Production

2008-09 — 2026-04

Peak Month

2010-11

Production History

Cum Oil: 216,278 BBL Cum Gas: 940,657 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,182 BBL/mo

Di (annual)

48.6%

b-factor

0.6

EUR

216,595 BBL

R-squared

0.898

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2008-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 196 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC212,0002018-03-13
4DIAMONDBACK E&P LLC212,0002018-01-30
1DIAMONDBACK E&P LLC212,0002018-01-26
5DIAMONDBACK E&P LLC212,0002018-01-25
3DIAMONDBACK E&P LLC212,0002009-09-10