WINDHAM TXL C9

Oil · District 7C · Lease #20159

Operator: COG OPERATING LLC

Cum Oil

258k BBL

Cum Gas

2.6M MCF

casinghead

Wells

1

Production

2018-10 — 2026-04

Peak Month

2018-12

Production History

Cum Oil: 257,938 BBL Cum Gas: 2,609,741 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28,311 BBL/mo

Di (annual)

185.9%

b-factor

0.3

EUR

261,191 BBL

R-squared

0.878

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5206BHCOG OPERATING LLC111,0002017-11-16