STEPHENS FEE '6'

Oil · District 08 · Lease #45300

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

579k BBL

Cum Gas

1.7M MCF

casinghead

Wells

11

Production

2014-07 — 2026-04

Peak Month

2015-07

Production History

Cum Oil: 579,181 BBL Cum Gas: 1,681,571 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,033 BBL/mo

Di (annual)

63.5%

b-factor

0.5

EUR

570,086 BBL

R-squared

0.960

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2014-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 126 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11DIAMONDBACK E&P LLC112,5002015-05-27
7DIAMONDBACK E&P LLC112,0002014-12-22
8DIAMONDBACK E&P LLC112,0002014-12-08
10DIAMONDBACK E&P LLC112,0002014-11-14
9DIAMONDBACK E&P LLC112,0002014-10-10
4DIAMONDBACK E&P LLC112,0002014-05-16
5DIAMONDBACK E&P LLC112,0002014-05-16
6DIAMONDBACK E&P LLC212,0002014-05-16
3DIAMONDBACK E&P LLC112,0002014-05-08
2DIAMONDBACK E&P LLC112,0002014-04-12
1DIAMONDBACK E&P LLC112,0002014-04-02