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US Patent 7644610 Automated formation fluid clean-up to sampling switchover

Patent 7644610 was granted and assigned to Baker Hughes on January, 2010 by the United States Patent and Trademark Office.

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Patent
Patent
1

Patent attributes

Current Assignee
Baker Hughes
Baker Hughes
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
76446101
Patent Inventor Names
Matthias Meister1
Date of Patent
January 12, 2010
1
Patent Application Number
118445061
Date Filed
August 24, 2007
1
Patent Citations Received
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US Patent 11713651 Heating a formation of the earth while drilling a wellbore
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3
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US Patent 11802827 Single stage MICP measurement method and apparatus
Patent Primary Examiner
Hezron Williams
Hezron Williams
1
Patent abstract

Apparatus and method for downhole formation fluid sampling include conveying a carrier into a well borehole that traverses a subterranean formation of interest, the carrier having a port and placing the port in fluid communication with the subterranean formation of interest. The method includes urging a fluid into the port using a fluid control device, the fluid containing a formation fluid and a contaminant, generating a first signal indicative of a first fluid characteristic of the fluid using a first test device in communication with the fluid, and generating a second signal indicative of a second fluid characteristic of the fluid using a second test device in communication with the fluid. The first signal and the second signal are processed using a processing device to estimate a level of contamination in the fluid, and a control signal is generated when the estimated level of contamination meets a predetermined value, the control signal actuating the fluid control device to direct fluid having a level of contamination at about or below the predetermined value to a fluid sampling chamber carried by the carrier.

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