A pipeline notice raising the prospect of prolonged supply disruptions out of the Northeast had natural gas futures surging in early trading Friday. The July Nymex contract was trading 10.3 cents higher to $3.252/MMBtu at around 8:50 a.m. ET.

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In a posting to its bulletin board shortly before 6 p.m. ET Thursday, Texas Eastern Transmission Co. (Tetco) said a pressure reduction started this month on part of its 30-inch diameter system — required by a Pipeline and Hazardous Material Safety Administration (PHMSA) order — could last until late in the third quarter.

Analysts at EBW Analytics Group described the Tetco notice as “big news,” noting that the operator revealed “that the reduction in pressure in its 30-inch pipeline was triggered by an anomaly that had been...