The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 2014
Filed:
Jun. 26, 2006
Applicants:
Everhard Johan Muyzert, Girton, GB;
James Edward Martin, Cottenham, GB;
Julian Edward Kragh, Finchingfield, GB;
Gwénola Claire Marie Michaud, Tokyo, JP;
Inventors:
Everhard Johan Muyzert, Girton, GB;
James Edward Martin, Cottenham, GB;
Julian Edward Kragh, Finchingfield, GB;
Gwénola Claire Marie Michaud, Tokyo, JP;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/42 (2006.01);
U.S. Cl.
CPC ...
G01V 1/42 (2013.01);
Abstract
A borehole seismic acquisition system is described with a plurality of sensors arranged so as to identify within the data measured by the pressure sensors P- and S-wave related signals converted at the boundary of the borehole into pressure waves, the sensors being best arranged in groups or clusters sensitive to pressure gradients in one or more directions.