BUCHANAN 30

Oil · District 08 · Lease #21892

Operator: JM COX RESOURCES, L.P.

Cum Oil

121k BBL

Cum Gas

315k MCF

casinghead

Wells

2

Production

1993-01 — 2025-09

Peak Month

2000-07

Production History

Cum Oil: 120,687 BBL Cum Gas: 314,584 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

868 BBL/mo

Di (annual)

10.8%

b-factor

0.0

EUR

96,111 BBL

R-squared

0.767

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 66 mo
2018-08 — 2019-06 DE3 OPERATING LLC 11 mo
2003-10 — 2018-07 JM COX RESOURCES, L.P. 178 mo
1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC19,2002000-02-15
2DIAMONDBACK E&P LLC19,2001985-04-10