Method and Device for Measuring Pressure Exerted by Earth Material

A method for measuring pressure exerted by earth material includes: providing a pipe with a longitudinal bore defining an inner diameter, providing a device with sensors to sense said inner diameter, wherein the device is to be moved within the pipe along the longitudinal bore, while a measurement o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHWAGER MARKUS, SCHMID ANDREAS, PUZRIN ALEXANDER, BLEIKER ERNST
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A method for measuring pressure exerted by earth material includes: providing a pipe with a longitudinal bore defining an inner diameter, providing a device with sensors to sense said inner diameter, wherein the device is to be moved within the pipe along the longitudinal bore, while a measurement of the inner diameter is taken in a first transversal direction at one longitudinal position of the pipe. Then a measurement of the inner diameter in a second transversal direction at the predetermined longitudinal position is taken, wherein the second transversal direction is oriented differently to the first transversal direction. Finally, an ovalization of the pipe is derived at that predetermined longitudinal position of the pipe through subtracting a diameter value of the first transversal direction from a diameter value of the second transversal direction.