Saying current operating conditions at its ANR St. Landry interconnect in South Louisiana are resulting in consistent flow of about 150,000 MMBtu/d, Florida Gas Transmission said Wednesday that until such conditions change, it will only schedule up to 150,000 MMBtu/d at the interconnect until further notice. Normally FGT schedules up to 250,000 MMBtu/d there. FGT also extended an Overage Alert Day notice for customers in its market area into a third day Wednesday, but loosened the tolerance for negative daily imbalances from 15% to 20%.

NGPL said a gas quality problem is continuing at the Transwestern-Gray receipt point in Gray County, TX, and effective Thursday until further notice, scheduled receipts at this point will be unavailable. Transwestern clarified the situation in a bulletin board note saying its deliveries at the Gray interconnect exceeded NGPL’s gas quality specification for oxygen, but the gas was within Transwestern’s oxygen specification (0.2% by volume). “Nonetheless, Transwestern understands that this situation is adversely impacting customers,” it continued. “Accordingly, Transwestern is taking immediate actions to attempt to reduce the oxygen composition: 1) TW will be purging the linepack in the lateral serving the Gray interconnect to see if the oxygen can be eliminated or reduced; and 2) TW will begin sampling all gas receipt points upstream of NGPL Gray for high concentrations of oxygen in the gas stream.”

Having reported earlier in the week that Tropical Storm Arlene had further delayed its efforts to repair infrastructure damaged last year by Hurricane Ivan, Southern Natural Gas posted Wednesday an update of last week’s projections for returning the infrastructure to service (see Daily GPI, June 9): 24-inch Main Pass 289-298 line, June 28; and 12-inch Main Pass 144 lateral, July 6. Flow on the 18-inch Main Pass 306 lateral is still estimated to be restored by July 4, the pipeline said, and the in-service date for the remaining receipt point, Mississippi Canyon 20-BP, remains dependent on third-party repairs.

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