BIG MAX 25 NW

Oil · District 08 · Lease #41740

Operator: WINDSOR PERMIAN LLC

Cum Oil

131k BBL

Cum Gas

121k MCF

casinghead

Wells

2

Production

2011-06 — 2026-04

Peak Month

2011-12

Production History

Cum Oil: 130,774 BBL Cum Gas: 121,433 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,119 BBL/mo

Di (annual)

9.2%

b-factor

0.0

EUR

144,876 BBL

R-squared

0.470

type

exponential

Operator History (from monthly production reports)

2024-10 — 2026-07 SABALO II OPERATING, LLC 22 mo
2012-07 — 2024-09 DIAMONDBACK E&P LLC 147 mo
2011-06 — 2012-06 WINDSOR PERMIAN LLC 13 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SABALO II OPERATING, LLC112,0002012-10-02
6SABALO II OPERATING, LLC111,2002011-02-18