METHOD AND DEVICE FOR MEASURING PRESSURE EXERTED BY EARTH MATERIAL

The invention relates to a method for measuring pressure exerted by earth material, comprising: providing a pipe (10) in the earth material, wherein the pipe (10) has a longitudinal bore (13) defining an inner diameter of the pipe (10), providing a device adapted to be moved within the pipe (10) alo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BLEIKER, ERNST, PUZRIN, ALEXANDER, SCHMID, ANDREAS, SCHWAGER, MARKUS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES 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:	The invention relates to a method for measuring pressure exerted by earth material, comprising: providing a pipe (10) in the earth material, wherein the pipe (10) has a longitudinal bore (13) defining an inner diameter of the pipe (10), providing a device adapted to be moved within the pipe (10) along the longitudinal bore (13), wherein the device (100) comprises sensors adapted to sense the inner diameter of the pipe (10). Then the device (100) is moved along the pipe (10) and a measurement of the inner diameter of the pipe (10) is taken in a first transversal direction (21) at at least one predetermined longitudinal position (28) of the pipe (10). Then a measurement of the inner diameter of the pipe (10) in a second transversal direction (22) at the at least one predetermined longitudinal position (28) of the pipe (10) is taken, wherein the second transversal direction (22) is oriented differently to the first transversal direction (21). Finally the ovalization of the pipe (10) is derived at that predetermined longitudinal position (28) of the pipe through substracting the diameter value of the first transversal direction from the diameter value of the second transversal direction (2).