CIG issued an OFO affecting all shippers under rate schedules TF-1, TF-4, NNT-1, NNT-2 and CS-1. It was scheduled to take effect Saturday until further notice. As the pipeline said it had indicated in a Strained Operating Condition notice posted Wednesday, “CIG’s ability to handle imbalances caused by variations between scheduled receipts/deliveries and actual gas flow as well as any related excess injections into its storage fields is limited due to current high inventory levels. Since that posting, CIG’s storage inventories have continued to increase. CIG is in a critical operational situation related to its storage fields.” The OFO requires that all storage customers limit their inventory to no more than 102% of their contractual Maximum Available Capacity (MAC). Those with storage currently exceeding 102% of MAC should initiate withdrawals to return such inventory to within the OFO limits, CIG said. See the bulletin board for further details.

Southern California Gas declared an OFO for Saturday due to high linepack, setting a 10% tolerance for overdeliveries into its system. SoCal also said that when its storage injection capacity falls below 850 MMcf/d, confirmations of firm injection nominations will be reduced as outlined in the Storage Injection Capacity Reductions notice posted on its Envoy bulletin board July 1.

Citing shipper cooperation, Transco canceled Friday an Imbalance Operational Control notice that it had issued Tuesday and expected to remain in effect through Friday’s gas day.

Tennessee said it has commenced delivery of a limited amount of gas (about 150,000 Dth/d) to the inlet of the Toca II Gas Processing Plant operated by Enterprise. Currently only Toca II is operational, but Enterprise has indicated that the Toca I facility should be operational by the end of this week, Tennessee said Thursday. Therefore, another 150,000 Dth/d or so of processing capacity may become available for offshore producers on Tennessee’s system, subject to the volume of gas that Tennessee is physically able to deliver to the plant.

Sea Robin Pipeline reported being notified by Amerada Hess, operator of the Sea Robin Gas Plant, that the plant was beginning dehydration operations Friday for gas transported on the pipeline. Thus, Sea Robin Pipeline said, gas available to its downstream interconnects will be dehydrated but remain unprocessed until associated processes can be restored at the plant. It noted that TGT continues to waive certain gas quality specifications in its tariff on a temporary basis through the end of November to allow previously shut-in Sea Robin Pipeline supplies to flow, but shippers must provide TGT with proof of processing at the Eunice Plant. See the bulletin board for a list of Sea Robin Pipeline locations that have been cleared for nominations and flow.

Effective Monday, Columbia Gulf said, it will begin accepting up to 75,000 Dth/d in receipt nominations from Sea Robin-Erath.

To encourage drafting of its system, NOVA changed its imbalance tolerance range Friday to 0/-4.

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