TSP Name: Northwest Pipeline LLC TSP: 67977322
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 09/29/2021 2:55 PM MCT
Notice Eff D/T: 09/29/2021 2:55 PM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Notice ID: 21-147
Subject: Cisco to Moab ILI Investigations
As illustrated in the annual maintenance call materials,
Northwest will be running In-Line Inspection tools(ILI)in
between the Cisco and Moab Compressor stations.
Due to operational requirements, the ILI tools require
southbound gas flow direction between Cisco and Moab for gas
days November 2nd,4th, and 9th, 2021 for volumes up to 100,000
Dth/d. During these three days, Northwest will not be able to
mitigate gas flow in the northern direction.
Further and pursuant to Section 32.1(l), if, as part of the
integrity management program to perform ILI work, when
Northwest requires minimum flow levels where scheduled
quantities are insufficient to provide the required flow
levels, Northwest may buy and sell gas to create such flows.
Interested counterparties must have a current NAESB Base
Contract in place with Northwest. The contract form is
available Northwest’s Portal located at
http://www.northwest.williams.com. To access the agreement,
select the “Other” section on the Portal and then see
Miscellaneous Downloads section; complete the ‘Base Contract
for Sale & Purchase of Natural Gas’ form and send to your
Commercial Services Representative.
On November 2nd, 4th, and 9th, 2021, if southbound flows do not
meet the required volumes to move the ILI tools, Northwest will
facilitate flows per section 32.1(l).
Additionally, if nominations exceed the operationally available
capacity of 0 Dth/d northbound through Cisco, Northwest will
declare a Deficiency Period based on the Cisco Compressor
design of 286,000 Dth/d. Deliveries to primary markets located
between the Cisco and Moab Compressor stations will not be
impacted during the work.
Northwest will continue to mitigate nominations to the best
If you have any questions, please contact your Commercial
Services Representative or the hotline at (713) 215-6301.