METHOD FOR DETECTING EXPANSIVE CLAYS IN A SEDIMENTARY BASIN BY SPECTROMETRIC MEASUREMENTS
Method for determining a risk of loss associated with a clay retraction-expansion effect in a target geographic zone in a sedimentary basin, by means of measurement of gamma rays emitted by natural radioelements, characterized in that the following steps are carried out: a calibration geographic zon...
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| creator | MARTELET, Guillaume PERRIN, José LACQUEMENT, Frédéric PROGNON, François RENINGER, Pierre-Alexandre DEPARIS, Jacques TISSOUX, Hélène TOURLIERE, Bruno |
| description | Method for determining a risk of loss associated with a clay retraction-expansion effect in a target geographic zone in a sedimentary basin, by means of measurement of gamma rays emitted by natural radioelements, characterized in that the following steps are carried out: a calibration geographic zone for which losses associated with retraction-expansion effects are known is selected; an experimental correlation is estabilished between, on the one hand, a risk of loss associated with an expansive-clay retraction-expansion effect and, on the other hand, a first set of measurements of gamma rays emitted by the natural radioelements potassium (K) and thorium (Th) on the surface of said calibration geographic zone; at least one second set of measurements of gamma rays emitted by the natural radioelements potassium (K) and thorium (Th) are carried out on the surface of said target geographic zone; and a risk of loss associated with an expansive-clay retraction-expansion effect is determined in said target geographic zone, by means of said correlation and of the second set of measurements. |
| format | Patent |
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an experimental correlation is estabilished between, on the one hand, a risk of loss associated with an expansive-clay retraction-expansion effect and, on the other hand, a first set of measurements of gamma rays emitted by the natural radioelements potassium (K) and thorium (Th) on the surface of said calibration geographic zone; at least one second set of measurements of gamma rays emitted by the natural radioelements potassium (K) and thorium (Th) are carried out on the surface of said target geographic zone; and a risk of loss associated with an expansive-clay retraction-expansion effect is determined in said target geographic zone, by means of said correlation and of the second set of measurements.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>DETECTING MASSES OR OBJECTS</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>GEOPHYSICS</subject><subject>GRAVITATIONAL MEASUREMENTS</subject><subject>MEASUREMENT OF NUCLEAR OR X-RADIATION</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjE0KwjAQRrNxIeod5gKCmkXX02RqA-aHTBSzKkXiSrRQ748RPICrBx_ve0uRLaXea-h8BE2JVDLuCHQN6NhcCNQJM4NxgMCkjSWXMGZokevWZuBQL9HXSjQKLCGfI30tXovFfXzMZfPjSkBHSfXbMr2GMk_jrTzLe6AgD3LXNBL38g_lA8zWMUo</recordid><startdate>20171018</startdate><enddate>20171018</enddate><creator>MARTELET, Guillaume</creator><creator>PERRIN, José</creator><creator>LACQUEMENT, Frédéric</creator><creator>PROGNON, François</creator><creator>RENINGER, Pierre-Alexandre</creator><creator>DEPARIS, Jacques</creator><creator>TISSOUX, Hélène</creator><creator>TOURLIERE, Bruno</creator><scope>EVB</scope></search><sort><creationdate>20171018</creationdate><title>METHOD FOR DETECTING EXPANSIVE CLAYS IN A SEDIMENTARY BASIN BY SPECTROMETRIC MEASUREMENTS</title><author>MARTELET, Guillaume ; 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an experimental correlation is estabilished between, on the one hand, a risk of loss associated with an expansive-clay retraction-expansion effect and, on the other hand, a first set of measurements of gamma rays emitted by the natural radioelements potassium (K) and thorium (Th) on the surface of said calibration geographic zone; at least one second set of measurements of gamma rays emitted by the natural radioelements potassium (K) and thorium (Th) are carried out on the surface of said target geographic zone; and a risk of loss associated with an expansive-clay retraction-expansion effect is determined in said target geographic zone, by means of said correlation and of the second set of measurements.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING DETECTING MASSES OR OBJECTS ELECTRIC DIGITAL DATA PROCESSING GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASUREMENT OF NUCLEAR OR X-RADIATION MEASURING PHYSICS TESTING |
| title | METHOD FOR DETECTING EXPANSIVE CLAYS IN A SEDIMENTARY BASIN BY SPECTROMETRIC MEASUREMENTS |
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