Northwest Pipeline LLC
NOTICE #31352
Vernal Corridor Hydrotest - Maintenace Update/Reminder posted on Sep 12 2023  1:19PM

TSP Name:  Northwest Pipeline LLC     TSP:  67977322

Critical:  Y
Notice Stat Desc:  INITIATE
Notice Type Desc:  MAINTENANCE
Post D/T:  09/12/2023 1:13 PM MCT
Notice Eff D/T:  09/12/2023 1:13 PM MCT
Notice End D/T:  
Reqrd Rsp Desc:  No response required
Rsp D/T:  

Notice ID:  23-187
Prior Notice:  
Subject:  Vernal Corridor Hydrotest - Maintenace Update/Reminder

Notice Text:

As posted in the maintenance schedule on Northwest Pipeline's&nbsp;<br />website, Northwest is performing a hydrotest in the Vernal&nbsp;<br />District beginning September 14, 2023 through September 23,&nbsp;<br />2023. As a reminder, Clay Basin will also be shut in from&nbsp;<br />Northwest Pipeline for the duration of this outage.<br /><br />During this outage, Northwest will not be able to schedule&nbsp;<br />nominations that are net greater than 0 Dth/d northbound at the&nbsp;<br />Vernal Compressor Station or net greater than 0 Dth/d&nbsp;<br />southbound at the Green River South Constraint.<br /><br />If the primary scheduled quantities during this outage exceed&nbsp;<br />the operationally available capacity of 0 Dth/d northbound at&nbsp;<br />the Vernal Compressor Station or 0 Dth/d southbound at the&nbsp;<br />Green River South Constraint (or whatever NWP cannot mitigate&nbsp;<br />during any day of the maintenance), pursuant to Sections 10.2&nbsp;<br />and 10.3 of Rate Schedule TF-1 in Northwest's Tariff, Northwest&nbsp;<br />will give notice of a Declared Deficiency Period based the&nbsp;<br />Vernal Compressor Station northbound design capacity of 353,000&nbsp;<br />Dth/d and the Green River South Constraint southbound design&nbsp;<br />capacity of 378,617. The deficiency period will continue&nbsp;<br />until the work is completed on September 23, 2023.&nbsp;<br /><br />Northwest&rsquo;s balancing flexibility during this period will be&nbsp;<br />extremely limited and the current Stage II (8%) Underrun&nbsp;<br />Entitlement North of Kemmerer remains active. Northwest&nbsp;<br />encourages its shippers to diligently manage natural gas&nbsp;<br />deliveries to ensure that they are in-line with customers&rsquo;&nbsp;<br />takes to avoid leaving excess gas on the system. Northwest&nbsp;<br />appreciates customer support during this upcoming period and&nbsp;<br />will provide system updates based on changing operating&nbsp;<br />conditions as needed.&nbsp;<br /><br />Please reference the Maintenance Schedule tab at&nbsp;<br />www.northwest.williams.com for more information.<br /><br /><br />If you have any questions, please call your Commercial Services&nbsp;<br />Representative or the hotline at 713-215-6301.