FREMGANGSM¨TE OG ANORDNING FOR ¨ BEVIRKE SAMMENSKRUING AV EN SKRUESKJ¯T FOR R¯R

A process is provided for executing the screwing of a threaded joint for steel tubes, designed especially for the petroleum industry, of the type having a male element (1) with external threading (3) and female element (2) with internal threading (4), as well as at least one pair of screwing limit s...

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Bibliographische Detailangaben
Hauptverfasser:	SALKIN, HERVE, GRARE, DIDIER
Format:	Patent
Sprache:	nor
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TESTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A process is provided for executing the screwing of a threaded joint for steel tubes, designed especially for the petroleum industry, of the type having a male element (1) with external threading (3) and female element (2) with internal threading (4), as well as at least one pair of screwing limit stops (5, 6). A strain gauge which allows the instantaneous determination of longitudinal deformations of the external surface along a line of the female element (2) is applied to the external surface of the female element (2) at a certain distance from the plane of the screwing limit stop and on the side of said plane which is opposite to the threads (3, 4), and the screwing down of the joint is executed until the indications provided by the strain gauge corresponds to an extension of a predetermined value of the surface of the female element (2) along said line at the level of the gauge.