WINDHAM TXL C8

Oil · District 7C · Lease #20158

Operator: COG OPERATING LLC

Cum Oil

304k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2018-10 — 2026-04

Peak Month

2018-12

Production History

Cum Oil: 304,116 BBL Cum Gas: 1,042,250 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

29,665 BBL/mo

Di (annual)

166.7%

b-factor

0.3

EUR

305,201 BBL

R-squared

0.869

type

hyperbolic

Operator History (from monthly production reports)

2018-10 — 2026-07 COG OPERATING LLC 94 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5206LHCOG OPERATING LLC111,0002017-11-20