HOLCOMB "67"

Oil · District 08 · Lease #38426

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

295k BBL

Cum Gas

315k MCF

casinghead

Wells

5

Production

2007-08 — 2026-04

Peak Month

2010-01

Production History

Cum Oil: 295,042 BBL Cum Gas: 315,334 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,438 BBL/mo

Di (annual)

17.5%

b-factor

0.1

EUR

260,991 BBL

R-squared

0.823

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2007-08 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 209 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002015-04-23
3DIAMONDBACK E&P LLC212,0002015-04-23
2DIAMONDBACK E&P LLC412,0002015-04-22
4DIAMONDBACK E&P LLC212,0002015-04-15
5DIAMONDBACK E&P LLC212,0002013-02-25