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Class Information
Number: 175/64
Name: Boring or penetrating the earth > Processes > Chemical reaction with earth formation or drilling fluid constituent
Description: Processes comprising (1) introducing a material into a borehole to react chemically with the in situ earth formation to form the borehole or (2) introducing a material into the borehole during drilling to react chemically with a material present in the drilling fluid.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8627889 Drilling and fracturing fluid Jan. 14, 2014
8544565 Lost circulation control fluids for naturally fractured carbonate formations Oct. 1, 2013
8534383 Viscosity reducer for water-based muds Sep. 17, 2013
8522898 Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes Sep. 3, 2013
8479819 Method of consolidating a fracture in a formation Jul. 9, 2013
8469118 Drilling fluid containing carbon nanotubes Jun. 25, 2013
8215393 Method for treating well bore within a subterranean formation Jul. 10, 2012
8205672 Acid tunneling bottom hole assembly and method utilizing reversible knuckle joints Jun. 26, 2012
8122950 Microwave-based downhole activation method for wellbore consolidation applications Feb. 28, 2012
8122959 Methods and materials for zonal isolation Feb. 28, 2012
8011446 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell Sep. 6, 2011
8002049 Well treating method to prevent or cure lost-circulation Aug. 23, 2011
7989399 Drilling fluid and methods Aug. 2, 2011
7942215 Drilling fluids for oil and gas reservoirs with high carbonate contents May. 17, 2011
7943555 Wellbore treatment kits for forming a polymeric precipitate to reduce the loss of fluid to a subterranean formation May. 17, 2011
7905287 Methods of using a polymeric precipitate to reduce the loss of fluid to a subterranean formation Mar. 15, 2011
7855168 Method and composition for removing filter cake Dec. 21, 2010
7766099 Methods of drilling and consolidating subterranean formation particulates Aug. 3, 2010
7709421 Microemulsions to convert OBM filter cakes to WBM filter cakes having filtration control May. 4, 2010
7530408 Method of consolidating an underground formation May. 12, 2009
7507692 Methods for reducing circulation loss during drilling operations Mar. 24, 2009
7497278 Methods of degrading filter cakes in a subterranean formation Mar. 3, 2009
7490676 Method and system for tubing a borehole in single diameter Feb. 17, 2009
7448450 Drilling and cementing with fluids containing zeolite Nov. 11, 2008
7350576 Methods of sealing subterranean formations using rapid setting plugging compositions Apr. 1, 2008
7343985 Bit balling treatment Mar. 18, 2008
7341106 Methods for wellbore strengthening and controlling fluid circulation loss Mar. 11, 2008
7311158 Silicate-containing additives for well bore treatments and associated methods Dec. 25, 2007
7279445 Membrane forming in-situ polymerization for water based drilling fluids Oct. 9, 2007
7225879 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell Jun. 5, 2007
7204310 Methods of use settable drilling fluids comprising cement kiln dust Apr. 17, 2007
7152697 Delayed phase changing agent for invert emulsion drilling fluid Dec. 26, 2006
7150321 Zeolite-containing settable spotting fluids Dec. 19, 2006
7147067 Zeolite-containing drilling fluids Dec. 12, 2006
7140439 Zeolite-containing remedial compositions Nov. 28, 2006
7134496 Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion Nov. 14, 2006
7063176 Membrane forming in-situ polymerization for water based drilling fluid Jun. 20, 2006
7059805 Process for environmental pacification of drill cuttings Jun. 13, 2006
7055628 Well drilling method and drilling fluid Jun. 6, 2006
7048053 Zeolite compositions having enhanced compressive strength May. 23, 2006
7036588 Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control May. 2, 2006
7013995 Compositions and processes for treating subterranean formations Mar. 21, 2006
6997270 Compounds and method for generating a highly efficient membrane in water-based drilling fluids Feb. 14, 2006
6981560 Method and apparatus for treating a productive zone while drilling Jan. 3, 2006
6938707 Method and system for minimizing circulating fluid return losses during drilling of a well bore Sep. 6, 2005
6881708 Compositions for solving lost circulation problems Apr. 19, 2005
6857485 Shale hydration inhibition agent and method of use Feb. 22, 2005
6852675 Nutrient source for marine organisms from drilling fluids additives Feb. 8, 2005
6848519 Methods of forming a chemical casing Feb. 1, 2005
6837316 Methods of consolidating formations Jan. 4, 2005

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