BUCHANAN "D"

Oil · District 08 · Lease #40237

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

149k BBL

Cum Gas

400k MCF

casinghead

Wells

3

Production

2005-04 — 2026-04

Peak Month

2016-01

Production History

Cum Oil: 149,401 BBL Cum Gas: 399,563 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,010 BBL/mo

Di (annual)

83.5%

b-factor

0.9

EUR

144,322 BBL

R-squared

0.677

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2005-04 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 237 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
235DIAMONDBACK E&P LLC312,5002015-06-01
1DIAMONDBACK E&P LLC112,0002005-03-18
135DIAMONDBACK E&P LLC112,0002005-03-18