Southern California Gas waited until early Thursday afternoon to declare a high-linepack OFO for Friday, saying it will assess Buy-Back charges in accordance with its tariffs to customers who deliver into its system more than 110% of their actual gas usage on the OFO day.
MRT said a System Protection Warning (SPW) will become effective Friday until further notice; see the bulletin board for a list of SPW conditions.
Tennessee reported that initial assessments of a subsea tie-in assembly at East Cameron 313, where a 16-inch diameter line ties into the 30-inch diameter mainline of the Bluewater Southwest Leg (509A-300 Line), indicate that the 30-inch mainline also sustained damage. A force majeure event had previously been declared for the 16-inch line (509A-3300 Line). “A more detailed and thorough inspection is required to fully assess the damage and evaluate repair options,” Tennessee said. Fourteen Bluewater Southwest Leg meters are required to keep physical flow and scheduled volumes at zero until further notice. The remainder of the Bluewater System (Header, East Leg and West Leg) remains under force majeure, as posted Sept. 13, also must stay shut in until further notice. Meters on two portions of the Bluewater system have been granted approval to flow once the meter reactivation requirements have been met, Tennessee said. Those two areas are the Northern segment of Tennessee’s 26-inch diameter East Leg and the West Leg segment between the Pecan Island and Egan compressor stations.
Transwestern said maintenance at Station 4 in Klagetoh, AZ, allowed Thoreau Mainline West capacity to increase Thursday and Friday from 1,050,000 MMBtu/d to 1,125,000 MMBtu/d. On Saturday the segment will be restored to its original capacity of 1,210,000 MMBtu/d.
Transco reported completing a gas tap installation on its Mobile Bay Lateral and affected receipt and delivery points have been returned to service. Transco began accepting nominations for those points Wednesday.
Gulf South said it has rescinded a Constrained Area Alert that was posted Tuesday for the gas days of Saturday and Sunday.
Due to the Utah Division of Transportation improving the road near its ML 80 segment approximately six miles south of the Clay Basin storage facility, Questar will reroute parts of ML 80 to accommodate the road improvements. ML 80 will be taken out of service Sunday through Tuesday, requiring Questar to reduce the ML 80 scheduling point capacity to 110,000 Dth/d for those days. The outage previously had been set for Wednesday through Friday of this week (see Daily GPI, Sept. 19). “Questar recognizes the effects these dates have on shippers but its flexibility was limited due to Questar’s Clay Basin test, Questar’s Oak Spring #3 outage, contractor obligations and State Department of Transportation requirements,” the pipeline said.
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