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Class Information
Number: 175/68
Name: Boring or penetrating the earth > Processes > Boring with specific fluid > Anti-agglomeration treatment of gaseous drilling fluid
Description: Processes comprising the step of treating a gaseous drilling fluid with a material to prevent the agglomerating or wetting by liquid occurring naturally in the borehole of the cuttings loosened during drilling.










Patents under this class:

Patent Number Title Of Patent Date Issued
8353366 Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated Jan. 15, 2013
8047305 Vacuum feed supply system for drilling fluid additives Nov. 1, 2011
7597148 Formation and control of gas hydrates Oct. 6, 2009
5875858 Low volume air-water drilling systems and methods Mar. 2, 1999
5139095 Method for removing debris from a drillhole Aug. 18, 1992
RE29151 Repulsing clays on drill bits Mar. 15, 1977











 
 
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