E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/12 (2006.01) E21B 23/08 (2006.01) E21B 47/00 (2006.01)
Patent
CA 2290892
A method of well logging in which the logging tool is delivered to the bottom of the well within a drill pipe and then the well is logged by withdrawing the drill pipe with the sensor portion of the logging tool protruding from the drill pipe. Following the logging operation the logging tool is returned to the surface by reverse circulation.
Milne Alex Watson
Spencer Michael Charles
Borden Ladner Gervais Llp
Reeves Wireline Technologies Ltd.
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