WINDHAM TXL C1

Oil · District 7C · Lease #20117

Operator: COG OPERATING LLC

Cum Oil

339k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2018-10 — 2026-04

Peak Month

2018-11

Production History

Cum Oil: 338,679 BBL Cum Gas: 1,029,140 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,608 BBL/mo

Di (annual)

137.0%

b-factor

0.5

EUR

351,056 BBL

R-squared

0.941

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5308LHCOG OPERATING LLC211,0002017-12-14