PHILLIPS

Oil · District 7B · Lease #30877

Operator: WINDOW OPERATING CO., THE

Cum Oil

7k BBL

Cum Gas

25k MCF

casinghead

Wells

1

Production

2011-07 — 2026-04

Peak Month

2011-09

Production History

Cum Oil: 6,721 BBL Cum Gas: 24,624 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

176 BBL/mo

Di (annual)

100.5%

b-factor

0.8

EUR

6,344 BBL

R-squared

0.603

type

hyperbolic

Operator History (from monthly production reports)

2026-04 — 2026-07 SANDS ENERGY LLC 4 mo
2011-07 — 2026-03 WINDOW OPERATING CO., THE 177 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7SANDS ENERGY LLC14,0002011-07-11