WINDHAM "A"

Oil · District 7C · Lease #17547

Operator: COG OPERATING LLC

Cum Oil

3.6M BBL

Cum Gas

23.7M MCF

casinghead

Wells

10

Production

2011-04 — 2026-04

Peak Month

2017-01

Production History

Cum Oil: 3,624,539 BBL Cum Gas: 23,726,094 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

221,142 BBL/mo

Di (annual)

108.2%

b-factor

0.3

EUR

3,501,593 BBL

R-squared

0.916

type

hyperbolic

Operator History (from monthly production reports)

2011-04 — 2026-07 COG OPERATING LLC 184 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
104BHCOG OPERATING LLC112,0002016-04-22
103BHCOG OPERATING LLC212,0002016-04-20
101BHCOG OPERATING LLC112,0002016-04-19
102BHCOG OPERATING LLC112,0002016-04-19
103LHCOG OPERATING LLC112,0002016-03-24
104LHCOG OPERATING LLC112,0002016-03-24
101LHCOG OPERATING LLC112,0002016-03-22
102LHCOG OPERATING LLC112,0002016-03-22
2COG OPERATING LLC112,0002013-07-09
1COG OPERATING LLC212,0002010-10-27