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Class Information
Number: 175/66
Name: Boring or penetrating the earth > Processes > Boring with specific fluid > Treating spent or used fluid above ground
Description: Processes comprising the step of subjecting drilling fluid which has been returned to the surface of the earth from the borehole to a physical or chemical treatment at the surface.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8667717 Digging and backfill apparatus Mar. 11, 2014
8662170 Cuttings transfer system Mar. 4, 2014
8641811 Ecologically sensitive mud-gas containment system Feb. 4, 2014
8641899 Method and apparatus for removing metal cuttings from an oil well drilling mud stream Feb. 4, 2014
8613329 Method and apparatus for efficient handling of drill cuttings Dec. 24, 2013
8607894 Offshore thermal treatment of drill cuttings fed from a bulk transfer system Dec. 17, 2013
8563480 Subterranean bridging agents Oct. 22, 2013
8533974 Reclamation of components of wellbore cuttings material Sep. 17, 2013
8528666 Method and apparatus for disposal of cuttings Sep. 10, 2013
8528665 Drilling waste management system Sep. 10, 2013
8522898 Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes Sep. 3, 2013
8469100 Integrated fluid filtration and recirculation system and method Jun. 25, 2013
8469116 Control system for mud cleaning apparatus Jun. 25, 2013
8457898 System and method for real-time quality control for downhole logging devices Jun. 4, 2013
8371037 Slurrification process Feb. 12, 2013
8356678 Oil recovery method and apparatus Jan. 22, 2013
8336231 Digging and backfill apparatus Dec. 25, 2012
8322464 Method and apparatus for vacuum collecting and gravity depositing drill cuttings Dec. 4, 2012
8316557 Reclamation of components of wellbore cuttings material Nov. 27, 2012
8282838 Method and apparatus for separating and removing fluids from drill cuttings Oct. 9, 2012
8276686 Vacuum assisted drill cuttings dryer and handling apparatus Oct. 2, 2012
8267200 Cuttings treatment and reuse Sep. 18, 2012
8267201 Method and apparatus for disposal of cuttings Sep. 18, 2012
8227382 Breaker fluids and methods of using the same Jul. 24, 2012
8215028 Slurrification process Jul. 10, 2012
8202415 Hydrocyclones for treating drilling fluid Jun. 19, 2012
8132632 Method for recovering valuable drilling mud materials using a binary fluid Mar. 13, 2012
8123046 Method and apparatus for separating and removing fluids from drill cuttings Feb. 28, 2012
8104623 Filtering screen Jan. 31, 2012
8101086 Oil/water separation of full well stream by flocculation-demulsification process Jan. 24, 2012
8100198 Cuttings treatment and reuse Jan. 24, 2012
8096371 Method and apparatus for disposal of cuttings Jan. 17, 2012
8091653 Methods of formulating weighting agents using processed waste waters Jan. 10, 2012
8074738 Offshore thermal treatment of drill cuttings fed from a bulk transfer system Dec. 13, 2011
8073623 System and method for real-time quality control for downhole logging devices Dec. 6, 2011
8047305 Vacuum feed supply system for drilling fluid additives Nov. 1, 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
8002991 Dewatering method Aug. 23, 2011
8002050 Completion technique and treatment of drilled solids Aug. 23, 2011
7992654 Dual gradient drilling method and apparatus with an adjustable centrifuge Aug. 9, 2011
7992655 Dual gradient drilling method and apparatus with multiple concentric drill tubes and blowout preventers Aug. 9, 2011
7980329 System for managing variable density drilling mud Jul. 19, 2011
7971657 Drill cuttings transfer system and related methods Jul. 5, 2011
7972518 Method for removing suspended solids from aqueous fluids Jul. 5, 2011
7964101 Fluid treatment process Jun. 21, 2011
7935261 Process for treating waste drilling mud May. 3, 2011
7926564 Portable well treating fluid mixing system and method Apr. 19, 2011
7913776 Method and system to recover usable oil-based drilling muds from used and unacceptable oil-based drilling muds Mar. 29, 2011
7886848 Method and apparatus for disposal of cuttings Feb. 15, 2011
7867399 Method for treating waste drilling mud Jan. 11, 2011

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