Pipeline construction

- Jun 30, 2017 -

With the development of natural gas and petroleum industry, the requirement of pipeline construction has been improved. Because of the long line and area span, natural topography, geology and geomorphology differences of long-distance oil and gas pipeline project, project installation, unique technology, pipeline safety requirements are high, diameter and higher pressure, the oil and gas pipeline construction requirements are very stringent.
Petroleum and natural gas pipeline construction commonly used procedures: measurement of defense, cleaning, transportation piping, butt welding, inspection, nondestructive testing, repairing and mending, spark detection, pipeline ditch, trench backfill, laying warning belt, purging and pressure test, three village laying, landform recovery.

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