Northwest warned shippers that based on available data, it may need to invoke a Declared Overrun Entitlement Period as early as Tuesday. The entitlement would apply to delivery points north of Kemmerer (WY) Compressor Station, which is considered a longtime bottleneck on the pipeline’s system. Northwest explained Thursday that over the past few months it has allowed shippers to draft the system on a limited basis to work off their Receiving Party imbalances. But during the past week the drafting has been excessive, it continued, and as documented in daily bulletin board reports, Northwest’s balance at the Jackson Prairie storage facility “is rapidly decreasing.” Also, maintenance scheduled for Tuesday and Friday of this week and on Sept. 4 (see Daily GPI, Aug. 23) will require that Northwest rely on storage to balance the system. The storage activities on the maintenance days likely will involve withdrawals from Jackson Prairie and injections into Questar‘s Clay Basin facility. Northwest’s storage account must be full on Sept. 30, as required by the Jackson Prairie partnership agreement.

Westcoast said it has determined that available supplies will exceed the physical capacity of the Fort Nelson Gas Plant during plant turnaround work scheduled for Tuesday through Sept. 20. A limited amount of acid gas treatment will be done during the turnaround, but no other processing is planned. Any shipper through Fort Nelson found to be producing in excess of newly authorized quantities will be levied overproduction charges for the posted gas days, Westcoast said.

Additional pipe that had to be removed from service north of Sonat‘s Franklinton (LA) Compressor Station in mid-August (see Daily GPI, Aug. 19) has returned to service. Demand did not exceed the reduced capacity while this additional pipe was out of service, the pipeline said. The original section that was removed from service on June 18th due to an unscheduled line outage (see Daily GPI, June 20) is still scheduled to return to service during the last week of August, upon which capacity upstream of Franklinton in Sonat’s South Louisiana Supply Area will revert back to normal levels.

ANR said Friday that ongoing engine maintenance at its Bridgman Compressor Station and pipeline inspections along its Michigan Leg located in Michigan, Indiana and Illinois in the Northern Fuel Segment (ML-7) will result in total capacity reductions along the Michigan Leg South through St. John Compressor Station up to the following: 250 MMcf/d through Sept. 10, 300 MMcf/d Sept. 11-18 and 250 MMcf/d Sept. 19-Oct. 25. Based on current nominations through St. John, it is anticipated that these reductions may result in the curtailment of IT and Firm Secondary nominations, ANR said. Maintenance projects in Mississippi in the Southeast Southern Fuel Segment (ML-2) will cause reductions in Southeast Mainline capacity, but based on current nominations, ANR does not expect any impact to service. See the bulletin board for details.

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