GRAHAM "5"

Oil · District 08 · Lease #37749

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

175k BBL

Cum Gas

248k MCF

casinghead

Wells

2

Production

2005-09 — 2026-04

Peak Month

2005-11

Production History

Cum Oil: 174,897 BBL Cum Gas: 248,174 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,001 BBL/mo

Di (annual)

5.6%

b-factor

0.0

EUR

202,047 BBL

R-squared

0.379

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2005-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 232 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC312,0002018-03-22
2ADIAMONDBACK E&P LLC211,0002017-11-14