Late Thursday afternoon Northern Natural Gas canceled a force majeure that it had declared earlier that day after detecting a leak upstream of the Plains Turbine on the Hobbs 26 suction line (see Daily GPI, July 21). On Friday Northern declared a force majeure on the Matagorda Offshore Pipeline System (MOPS), which it operates. A leak was discovered upstream of the Matagorda Island 686 platform, Northern said. Effective Friday until further notice, 14 platforms south of Matagorda Island 686C were required to shut in and were allocated to zero.

Southern said Friday it was “highly likely” that a Type 6 OFO would be declared for long imbalances Sunday. The chances of such an OFO, if implemented, being extended through Monday were “too close to call,” the pipeline said.

Transco will require eight meters to shut in for about 12 hours Tuesday while it makes facility modifications associated with a hot tap installation on the Central Texas Gathering System upstream of Station 24 near Markham, TX.

Westcoast said Friday it had experienced a digital control system card failure on the #3 process train at the Pine River Gas Plant. The train was off-line, limiting the plant to approximately 50% treatment availability until further notice. Westcoast implemented a Raw Gas Transmission constraint to 50% of the RGT firm service contract volume. No interruptible RGT service is allowed to flow until the #3 train is restored to service, Westcoast said.

Line 1104 pigging scheduled for Tuesday through Thursday will require reduced flow on the Havasu Crossover for the first half of each day, El Paso said. However, the pigging will be completed each day in time to raise the flow for nomination Cycles 3 and 4. Crossover capacity will be reduced each gas day (from a base of 630 MMcf/d) by 440 MMcf/d for Cycles 1 and 2 and by 250 MMcf/d for Cycles 3 and 4.

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