THOMAS "5"

Oil · District 08 · Lease #38289

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

90k BBL

Cum Gas

96k MCF

casinghead

Wells

1

Production

2007-06 — 2025-01

Peak Month

2007-11

Production History

Cum Oil: 90,134 BBL Cum Gas: 95,999 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,177 BBL/mo

Di (annual)

51.4%

b-factor

0.5

EUR

94,319 BBL

R-squared

0.799

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2007-06 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 211 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002018-07-06