TXL "3A"

Oil · District 08 · Lease #36858

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

121k BBL

Cum Gas

197k MCF

casinghead

Wells

2

Production

2002-01 — 2024-01

Peak Month

2002-09

Production History

Cum Oil: 121,159 BBL Cum Gas: 197,140 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,427 BBL/mo

Di (annual)

21.5%

b-factor

0.0

EUR

79,429 BBL

R-squared

0.876

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2002-01 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 276 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4DIAMONDBACK E&P LLC111,0002002-01-24
2DIAMONDBACK E&P LLC111,0002001-10-10