METHOD FOR REPAIRING EMERGENCY SECTION OF GAS PIPELINE Russian patent published in 2017 - IPC F16L1/24 

FIELD: oil and gas industry.

SUBSTANCE: to repair emergency section of gas pipeline under stationary conditions, a temporary watering device is assembled and including sequential connection of elastic rubber with thread reinforcement of hose, on the end of which the flanges with carcass and two complex locking-adjusting devices are tightly sealed. The emergency section is switched off with connection of the temporary bypass device to the operating gas line, and the gas is supplied to the consumer. The targeted repairs are then carried out on the disconnected emergency section, at the end of which the gas supply is switched off with blowing through discharge plugs at the corresponding gas distributing points, the bypass line is removed. After connecting the repaired section of gas line instead of the emergency one by conducting hot works with testing of seams for strength and tightness, the supply of natural gas to the consumer is resumed.

EFFECT: reduced shut-down time of natural gas supply to consumers.

2 dwg