FIELD: oil and gas industry.
SUBSTANCE: method includes measurement of gas loss, installation of flow line for the purpose of gas blowing at a safe distance from the well, cleaning of welding spot, imposition of a welding seam, performance of visual, measurement, X-ray and ultrasound testing of the welded seam, dismounting of the flow line, checking non-availability of gas losses in the welded seam area.
EFFECT: improved hermetic sealing for threaded connection of director clutch and tubing head installation tube at the well without overhauling.
2 cl, 2 dwg
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