Maintenance Construction Schedule - MountainWest Pipeline

2025 Schedule

Period Category Preliminary Dates Duration Location Project Possible Customer Impact Current Capacity (Dth/d) Restricted Capacity (Dth/d) Anticipated Firm Cut Quantity Anticipated Total Nomination Cut %
October Reservoir Test October 4 - 16 12 Days Clay Basin Annual Injection Test
• October 4 through October 6: Reservoir conditioning begins. No withdrawals allowed.
• October 7: The reservoir will be conditioned at a constant injection rate of 225,000 Dth for 24 hours. 
• October 8: Reservoir test at a constant injection rate of 250,000 Dth for 24 hours. 
• October 9 through October 15: Field shut in. Only in-place transfer nominations will be processed. 
• October 16: Field returns to normal at 8:00 AM.
 Varies, see latest EBB posting October 7: 225,000 Dth/d 
October 8: 250,000 Dth/d 
October 9 - 15: 0 Dth/d
 ALL 100%

Note: This schedule is subject to change. It is recommended the Shippers monitor MountainWest Pipeline's critical notices about schedule revisions.

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