Geotechnical cone lubrication apparatus and method

Details Geotechnical cone lubrication apparatus and method Geotechnical cone lubrication apparatus and method

E - Fixed Constructions

21

B

166/19

E21B 43/10 (2006.01) E02D 1/02 (2006.01) E21B 7/26 (2006.01) E21B 21/00 (2006.01) E21B 49/00 (2006.01)

Patent

CA 1210319

GEOTECHNICAL CONE LUBRICATION APPARATUS AND METHOD ABSTRACT OF THE DISCLOSURE Apparatus and method for lubricating a string of hollow rods connected to a cone penetrometer within a probe hole, as used in geotechnical "in situ" testing. The rods have aligned bores to receive a lubricating fluid which passes along the rods to a perforated lubricating apparatus extending between an inner end of the string of rods and the cone penetrometer. Preferably a major portion of an outer surface of the lubricating apparatus is within a maximum cross-section of the cone penetrometer. A longitudinal bore within the lubricating apparatus communicates with a plurality of lubricating openings in the outer surface of the lubricating apparatus body. Thus lubricating fluid within the string of rods passes in to the longitudinal bore of the body and is dispersed through the plurality of the lubricating openings to the outer surface of the body, so as to lubricate the string of drill rods within the probe hole.

458334

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