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Class Information
Number: 175/217
Name: Boring or penetrating the earth > With above-ground means for handling drilling fluid or cutting > With pump
Description: Apparatus including pump means adapted to cause the drilling fluid to circulate.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8677814 Device for extracting at least one type of gas contained in a drilling mud, an analysis arrangement and a related extraction method Mar. 25, 2014
8517111 Systems and methods for circulating out a well bore influx in a dual gradient environment Aug. 27, 2013
8453762 Regenerative drive mechanism for hydraulic feed cylinders in hydrostatic or hydraulic circuits Jun. 4, 2013
8413722 Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellbore Apr. 9, 2013
8403059 External jet pump for dual gradient drilling Mar. 26, 2013
8360156 Method and apparatus for preventing spillage or loss of drill fluids Jan. 29, 2013
8162063 Dual gradient drilling ship Apr. 24, 2012
8061445 Drilling fluid pump systems and methods Nov. 22, 2011
8025108 Subterranean methods of processing hydrocarbon fluid-containing deposits and hydrocarbon recovery arrangements for recovering hydrocarbon-containing fluid from hydrocarbon-containing deposits Sep. 27, 2011
7958948 Method and system for return of drilling fluid Jun. 14, 2011
7926570 Method and apparatus for preventing spillage or loss of drill fluids Apr. 19, 2011
7857077 Method and apparatus for processing and injecting drill cuttings Dec. 28, 2010
7762340 Installation for enhanced oil recovery using water soluble polymers, method for implementing same Jul. 27, 2010
7681633 Method and apparatus for preventing spillage or loss of drill fluids Mar. 23, 2010
7677329 Method and device for controlling drilling fluid pressure Mar. 16, 2010
7575071 Continuous mixing system Aug. 18, 2009
7575072 Method and apparatus for processing and injecting drill cuttings Aug. 18, 2009
7562723 Method for determining formation fluid entry into or drilling fluid loss from a borehole using a dynamic annular pressure control system Jul. 21, 2009
7556457 Drilling system including drilling machine and compressor Jul. 7, 2009
7469747 Method and apparatus for preventing spillage or loss of drill fluids Dec. 30, 2008
7373987 Method and apparatus for preventing spillage or loss of drill fluids May. 20, 2008
7290625 Reverse-circulation drilling method and system Nov. 6, 2007
7134502 Method and apparatus for preventing spillage or loss of drill fluids Nov. 14, 2006
7025154 Method and system for circulating fluid in a well system Apr. 11, 2006
6926101 System and method for treating drilling mud in oil and gas well drilling applications Aug. 9, 2005
6904982 Subsea mud pump and control system Jun. 14, 2005
6843331 Method and apparatus for varying the density of drilling fluids in deep water oil drilling applications Jan. 18, 2005
6837313 Apparatus and method to reduce fluid pressure in a wellbore Jan. 4, 2005
6712162 Cooling and flushing means for tools used for working rock Mar. 30, 2004
6640912 Cuttings injection system and method Nov. 4, 2003
6591921 Horizontal boring apparatus Jul. 15, 2003
6561269 Canister, sealing method and composition for sealing a borehole May. 13, 2003
6536540 Method and apparatus for varying the density of drilling fluids in deep water oil drilling applications Mar. 25, 2003
6505691 Subsea mud pump and control system Jan. 14, 2003
6457529 Apparatus and method for returning drilling fluid from a subsea wellbore Oct. 1, 2002
6352129 Drilling system Mar. 5, 2002
6325159 Offshore drilling system Dec. 4, 2001
6216801 Method and apparatus for providing proportional injection of additives into drilling fluids Apr. 17, 2001
6138774 Method and apparatus for drilling a borehole into a subsea abnormal pore pressure environment Oct. 31, 2000
5725021 System for retrieving waste drilling mud Mar. 10, 1998
5497839 Liquid-driven downhole hammer drill Mar. 12, 1996
5344570 Method and apparatus for removing solids from a liquid Sep. 6, 1994
5176211 Apparatus and method for recirculating mud when drilling under an obstacle Jan. 5, 1993
4867256 Injection of polymer chemicals into drilling mud Sep. 19, 1989
4632194 Self-propelled saverdrill Dec. 30, 1986
4595343 Remote mud pump control apparatus Jun. 17, 1986
4577700 Method and system for displacing drilling fluid from a drill string in a well drilling system Mar. 25, 1986
4558744 Subsea caisson and method of installing same Dec. 17, 1985
4422514 Pump for a reverse circulation rotary drilling rig Dec. 27, 1983
4209069 Drills with chip collectors Jun. 24, 1980

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