Cuttings sample catcher and method of use

Details Cuttings sample catcher and method of use Cuttings sample catcher and method of use

E - Fixed Constructions

21

B

E21B 21/06 (2006.01) E21B 49/00 (2006.01)

Patent

CA 2289333

A sample catcher comprises an inclined sampling screw conveyor which intercepts a continuous stream of drill cuttings from a shaker. A vaned metering rotor accepts a plurality of discrete samples from adjacent the conveyor's discharge. The vaned rotor is rotated at a lag rate proportional to the rate of penetration at the time the stream of cuttings with drilled. The plurality of discrete samples are discharged as a substantially continuous sample stream which is directed through a second conveyor to one or more analytical instruments. Further, the sample stream can be directed to a sample bag carousel which is index advanced for associating the bag contents with the drilling. The apparatus enables a method of analyzing cutting samples which correlate to the cuttings when drilled and in a process which is continuous.

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