WINDHAM

Oil · District 7C · Lease #18266

Operator: SUMMIT PETROLEUM LLC

Cum Oil

83k BBL

Cum Gas

365k MCF

casinghead

Wells

2

Production

2013-03 — 2026-04

Peak Month

2015-03

Production History

Cum Oil: 83,354 BBL Cum Gas: 364,989 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

820 BBL/mo

Di (annual)

9.1%

b-factor

0.0

EUR

107,385 BBL

R-squared

0.339

type

exponential

Operator History (from monthly production reports)

2013-03 — 2026-07 SUMMIT PETROLEUM LLC 161 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SUMMIT PETROLEUM LLC410,5002015-01-05
202SUMMIT PETROLEUM LLC110,8002012-12-07