Transco reported that “insufficient receipts to meet delivery obligations on the Mobile Bay Lateral have resulted in significant imbalance and pressures that do not support normal operations on the lateral.” These “significant operational difficulties” mean that the pipeline may be required to issue an OFO for Zones 4A and 4B, Transco said. It urged customers to resolve existing due-pipeline imbalances or Operational Balance Agreement party imbalances.

Maritimes & Northeast U.S. (M&N) said it had learned that the Sable Offshore Energy Inc. (SOEI) production facility offshore Nova Scotia experienced a decrease in production during Thursday’s gas day. “Due to this loss of supply, shippers sourcing their supply from SOEI should contact their supplier to get any information that may be desired concerning the cause, extent and duration of the production loss, as well as the potential of this event causing supply restrictions for current and/or future gas days,” M&N said. A spokesman for Sable operator ExxonMobil Canada could not be reached for an update Friday.

Citing unplanned engine failure, ANR began repairs Friday at Sandwich Compressor Station in Illinois in the Northern fuel segment (ML-7). Until the repairs are completed, ANR will accept only firm primary nominations through the Sandwich East-CFTP segment. It estimated Friday that the restriction will continue through May 2. A similar constraint due to engine failure at the Sandwich station had ended just last Tuesday (see Daily GPI, April 23).

Gulf South will begin an estimated five days of scheduled maintenance Monday at Bistineau Compressor Station in northwest Louisiana. Units #1 and #2 will be down one at a time, and each one’s unavailability could reduce Gulf South’s capacity when using compression to inject or withdraw at its Bistineau storage facility by 125 MMcf/d.

Florida Gas Transmission (FGT) will begin maintenance Thursday on one of the two units at the FGT/Transco St. Helena interconnect in South Louisiana. The work is expected to last four days, during which FGT will schedule up to approximately 20,000 MMBtu/d through the point. During normal operations it schedules up to 60,000 MMBtu/d there.

Saying it was in response to customer requests, Questar Overthrust Pipeline has extended an open season on additional services at its Wamsutter, Opal and White River hubs (see Daily GPI, March 3). The previous deadline of May 2 has been changed to noon MDT May 30. It was the second open season extension granted by the pipeline (see Daily GPI, March 25).

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