Canadian-government owned oil pipeline operator Trans Mountain on Friday said it will shut the Puget Sound Pipeline from Laurel to Anacortes, Washington, for about seven days in mid-November to conduct planned maintenance.

The Puget Sound Pipeline connects to the Trans Mountain Pipeline at the Sumas delivery point in British Columbia. The line does not connect to the recently opened Trans Mountain expansion.

The Puget Sound Pipeline carries Canadian oil to four refineries, including Marathon Petroleum (MPC.N), Anacortes and Phillips 66 (PSX.N),  Ferndale refineries on the western side of Washington State.

It is an 111-kilometer (69-mile) pipeline system and has the capacity to move up to about 240,000 barrels per day (bpd).