INSPECTING A LENGTH OF PIPE, AND INSPECTION PIG

A method of inspecting a length of pipe having a pipe wall and a nominal inner diameter, comprising providing an inspection pig configured for passing along the length of pipe, wherein the inspection pig is provided with a substantially circumferential inside-out capacitance tomography sensor arrang...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VARMA, Rajneesh, KHOSLA, Vipul, VREENEGOOR, Aloysius Johannes Nicolaas
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS 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 ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MECHANICAL ENGINEERING PHYSICS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TESTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A method of inspecting a length of pipe having a pipe wall and a nominal inner diameter, comprising providing an inspection pig configured for passing along the length of pipe, wherein the inspection pig is provided with a substantially circumferential inside-out capacitance tomography sensor arrangement having a diameter smaller than the nominal inner diameter; passing the inspection pig along the length of pipe thereby defining an annular space between the sensor arrangement and the pipe wall; conducting measurements using the sensor arrangement at a plurality of locations along the length of pipe, and deriving, for each of the plurality of locations, information about an interface surrounding the inspection pig from the measurements. Further provided is an inspection pig for inspecting a length of pipe, wherein the inspection pig is provided with an inside-out capacitance tomography sensor arrangement.