KOGER "4"

Oil · District 08 · Lease #41399

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

126k BBL

Cum Gas

136k MCF

casinghead

Wells

4

Production

2011-07 — 2026-04

Peak Month

2014-09

Production History

Cum Oil: 126,162 BBL Cum Gas: 136,282 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,236 BBL/mo

Di (annual)

36.0%

b-factor

2.0

EUR

209,474 BBL

R-squared

0.709

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2011-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 162 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4DIAMONDBACK E&P LLC313,0002017-08-18
1DIAMONDBACK E&P LLC212,0002015-03-20
3DIAMONDBACK E&P LLC112,0002013-09-26
2DIAMONDBACK E&P LLC112,0002013-04-30