Northwest cautioned shippers Tuesday “to purchase adequate gas supplies and not to draft the pipeline during the upcoming weekend.” It went on to note that market-area weather had been cold for the previous few days, and that “extremely cold temperatures” were predicted to begin Sunday (Jan. 4). For last Tuesday’s gas day, withdrawals from Jackson Prairie storage were twice as high as scheduled nominations, Northwest said. If system drafting continues, “Northwest will be forced to evaluate customer-specific and/or general entitlements in order to stop any drastic decline in our Jackson Prairie balancing gas.”

After declaring a System Underrun Limitation for New Year’s Day due to forecasts of unseasonably mild market-area weather, Northern Natural Gas extended the SUL notice Wednesday by at least one more day through Friday.

Trunkline has scheduled on-stream cleaning and in-line inspection of 46 miles of 30-inch pipe on its LNG Lateral between the TLNG plant and Longville Compressor Station beginning Jan. 6. The lateral outage is expected to last 11 days. During the Jan. 6-8 period, deliveries to Transco Ragley, Florida Gas Manchester and Conoco LGS will be interrupted two to three hours each day. From Jan. 14 until Jan. 16, lateral throughput will be limited to about 150,000 Dth/d, and deliveries to the above three meters will be interrupted 12-14 hours each day. Trunkline said that although it will try to coordinate the delivery interruptions with the downstream pipelines, “shippers will be ultimately responsible for planning their business accordingly.”

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