Pacific Gas and Electric extended a systemwide Stage 2 high-inventory OFO through at least Wednesday and slightly tightened the tolerance for positive daily imbalances from 8% to 5%.
Northern Natural Gas, operator of the Matagorda Offshore Pipeline System (MOPS), said Tuesday it was notified by the operator of the Matagorda Island 686-A platform that production required for pigging is not available currently and may not be available for seven to 10 days. As a result, effective Wednesday all MOPS liquids production will be shut in, Northern said. See the bulletin board for a list of locations where production will be accepted provided it meets Northern’s gas quality tariff specifications, “but the liquids must be handled at the platform and cannot enter the system,” the pipeline said.
In response to notifications from the Pipeline and Hazardous Materials Safety Administration and the Bureau of Ocean Energy, Sea Robin Pipeline said it must reduce the Maximum Allowable Operating Pressure (MAOP) of its West Leg from 1,063 psig to 984 psig. As a result, operators of receipt point locations in the segment from East Cameron 335 to Vermilion 149 (see bulletin board for a list) must reset their overpressure protection (OPP) pilots at or below the new MAOP, Sea Robin said, and provide it with documentation verifying this OPP change by Wednesday’s close of business. Starting Thursday Sea Robin will be required to shut in operators that have not complied with the OPP change requirements, the pipeline said.
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