Patents for E21B 10 - Drill bits (19,464)
09/2014
09/18/2014US20140262542 Downhole tools including ternary boride-based cermet and methods of making the same
09/18/2014US20140262541 Ballistic polycrystalline mining tool and method for making the same
09/18/2014US20140262540 Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
09/18/2014US20140262539 Polycrystalline compacts including diamond nanoparticles, cutting elements and earth-boring tools including such compacts, and methods of forming same
09/18/2014US20140262537 Cutting element with improved substrate material
09/18/2014US20140262536 Downhole cutting tools having hybrid cutting structures
09/18/2014US20140262535 Boring bit and method of manufacture
09/18/2014US20140262534 Rotational Drill Bits and Drilling Apparatuses Including the Same
09/18/2014US20140262533 Polycrystalline diamond composite compact
09/18/2014US20140262525 Underreamer for increasing a wellbore diameter
09/18/2014US20140262523 Underreamer for increasing a wellbore diameter
09/18/2014US20140262511 Drill Bit with Extension Elements in Hydraulic Communications to Adjust Loads Thereon
09/18/2014US20140262508 Underreamer for increasing a wellbore diameter
09/17/2014EP2778338A2 Drill bit assembly
09/17/2014EP2776668A1 Drill bit for performing electromagnetic measurements in a subterranean formation
09/17/2014EP2776656A1 Apparatus and process for drilling a borehole in a subterranean formation
09/17/2014EP2776191A1 Method of making cutter elements
09/16/2014US8834026 Bearings for downhole tools, downhole tools incorporating such bearings, and methods of cooling such bearings
09/16/2014US8833492 Cutters for fixed cutter bits
09/16/2014US8833490 Self-circulating drill bit
09/16/2014CA2742479C Bit based formation evaluation and drill bit and drill string analysis using an acoustic sensor
09/12/2014WO2014138668A2 Cutter assemblies, disc cutters, and related methods of manufacture
09/12/2014WO2014138045A1 Expandable reamer assemblies, bottom hole assemblies, and related methods
09/12/2014WO2014137998A1 Drill bit with a load sensor on the bit shank
09/12/2014WO2014136727A1 Digging bit
09/12/2014WO2014134736A1 Downhole motor
09/11/2014US20140251698 Polycrystalline compacts including differing regions, and related earth-boring tools and methods of forming cutting elements
09/11/2014US20140251696 Cutter assemblies, disc cutters, and related methods of manufacture
09/11/2014US20140251692 Rotating drilling stabilizer
09/11/2014US20140250974 Laboratory assessment of pdc cutter design under mixed-mode conditions
09/11/2014US20140250798 Thermally stable polycrystalline ultra-hard constructions
09/10/2014EP2775090A2 Drill bit
09/10/2014EP2773839A2 Tip for a pick tool, method of making same and pick tool comprising same
09/10/2014EP2773838A2 Borehole drill bit cutter indexing
09/09/2014US8826973 Method and system for advancement of a borehole using a high power laser
09/09/2014CA2661518C Activating device for a downhole tool
09/09/2014CA2568053C Ball-activated mechanism for controlling the operation of a downhole tool
09/04/2014WO2014134456A1 Methods of fabricating polycrystalline diamond by functionalizing diamond nanoparticles, green bodies including functionalized diamond nanoparticles, and methods od forming polycrystalline diamond cutting elements
09/04/2014WO2014134450A1 Methods for forming earth-boring tools having cutting elements mounted in cutting element pockets and tools formed by such methods
09/04/2014WO2014134440A1 Components of drilling assemblies, drilling assemblies, and methods of stabilizing drilling assemblies in wellbores in subterranean formations
09/04/2014WO2014134436A1 Polycrystalline compact tables for cutting elements and methods of fabrication
09/04/2014WO2014134428A1 Cutting elements leached to different depths located in different regions of an earth-boring tool and related methods
09/04/2014WO2014134421A1 Hardfacing compositions including ruthenium, earth-boring tools having such hardfacing, and related methods
09/04/2014WO2014134390A1 Cutting elements including non-planar interfaces, earth-boring tools including such cutting elements, and methods of forming cutting elements
09/04/2014WO2013108127A3 Hammer improvements
09/04/2014US20140246254 Methods of attaching cutting elements to casing bits and related structures
09/04/2014US20140246253 Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
09/04/2014US20140246252 Polycrystalline compact tables for cutting elements and methods of fabrication
09/04/2014US20140246251 Cutting elements leached to different depths located in different regions of an earth-boring tool and related methods
09/04/2014US20140246250 Methods of fabricating polycrystalline diamond by functionalizing diamond nanoparticles, green bodies including functionalized diamond nanoparticles, and methods of forming polycrystalline diamond cutting elements
09/04/2014US20140246249 Methods for forming earth-boring tools having cutting elements mounted in cutting element pockets and tools formed by such methods
09/04/2014US20140246248 Hardfacing compositions including ruthenium, earth-boring tools having such hardfacing, and related methods
09/04/2014US20140246247 Downhole dual cutting reamer
09/04/2014US20140246246 Actuation assemblies, hydraulically actuated tools for use in subterranean boreholes including actuation assemblies and related methods
09/04/2014US20140246245 Floating plug pressure equalization in oilfield drill bits
09/04/2014US20140246242 Components of drilling assemblies, drilling assemblies, and methods of stabilizing drilling assemblies in wellbores in subterranean formations
09/04/2014US20140246236 Expandable reamer assemblies, bottom hole assemblies, and related methods
09/04/2014US20140246190 Downhole Tool Actuator
09/04/2014US20140245667 Hardfacing materials including pcd particles, earth-boring tools comprising crushed polycrystalline diamond material, and related methods
09/03/2014EP2771533A1 High-strength, high-hardness binders and drilling tools formed using the same
09/03/2014EP2771143A1 Drill and production method for a drill
09/02/2014US8820442 Polycrystalline diamond compact including a substrate having a raised interfacial surface bonded to a polycrystalline diamond table, and applications therefor
09/02/2014US8820441 Combination coring bit and drill bit using fixed cutter PDC cutters
09/02/2014US8820439 Tools for use in subterranean boreholes having expandable members and related methods
09/02/2014US8820435 Auger for digging holes
09/02/2014US8820434 Apparatus for advancing a wellbore using high power laser energy
09/02/2014US8820398 Down hole tool with adjustable fluid viscosity
08/2014
08/28/2014WO2014129905A2 Drill bit with fixed cutter elements
08/28/2014US20140238753 Cutting elements including non-planar interfaces, earth-boring tools including such cutting elements, and methods of forming cutting elements
08/28/2014US20140238752 Methods for pre-sharpening impregnated cutting structures for bits, resulting cutting structures and drill bits so equipped
08/28/2014US20140238742 Device for supplying lubricant to a lubrication point in a machine
08/27/2014EP2770157A1 Drilling tool and method for drilling in soil
08/27/2014EP2770156A1 Drilling tool and method for drilling in soil
08/27/2014EP2769046A1 Drill bits having rotating cutting structures thereon
08/27/2014EP2768994A2 Polycrystalline diamond compacts, related products, and methods of manufacture
08/26/2014US8818775 Methods of designing earth-boring tools using a plurality of wear state values and related methods of forming earth-boring tools
08/26/2014US8814968 Thermally conductive sand mould shell for manufacturing a matrix bit
08/26/2014US8813878 Methods of fabricating a polycrystalline diamond compact
08/26/2014US8813877 Method and apparatus for reaming well bore surfaces nearer the center of drift
08/26/2014US8813871 Expandable apparatus and related methods
08/26/2014US8813840 Method and system for accessing subterranean deposits from the surface and tools therefor
08/21/2014WO2014127210A1 Method for producing an axially extending tool tip and tool tip
08/21/2014WO2014126629A1 Rock bit having a radially self-aligning metal faced seal
08/21/2014WO2014126628A1 Rock bit having a flexible metal faced seal
08/21/2014WO2014126627A1 Rock bit having a pressure balanced metal faced seal
08/21/2014US20140231151 Optimum powder placement in polycrystalline diamond cutters
08/21/2014US20140231150 Particulate mixtures for forming polycrystalline compacts and earth-boring tools including polycrystalline compacts having material disposed in interstitial spaces therein
08/21/2014US20140231149 Fiber-containing diamond-impregnated cutting tools and methods of forming and using same
08/21/2014US20140231142 Drill bit systems with temperature sensors and applications using temperature sensor measurements
08/20/2014EP2767374A1 Shaft milling device
08/20/2014EP2766554A1 Polycrystalline compacts including grains of hard material, earth boring tools including such compacts, and methods of forming such compacts and tools
08/20/2014EP2766553A1 Combined field assisted sintering techniques and hthp sintering techniques for forming polycrystalline diamond compacts and earth-boring tools, and sintering systems for performing such methods
08/20/2014EP2766552A1 Use of tungsten carbide tube rod to hard-face pdc matrix
08/20/2014EP2766551A1 Wellbore conditioning system
08/19/2014US8812281 Methods for designing secondary cutting structures for a bottom hole assembly
08/19/2014US8807249 Rotational drill bits and drilling apparatuses including the same
08/19/2014US8807248 Cutting insert for a roof drill bit
08/19/2014US8807247 Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and methods of forming such cutting elements for earth-boring tools
08/19/2014US8807246 Downhole tool and control module
08/19/2014US8807242 Apparatuses and methods for determining temperature data of a component of an earth-boring drilling tool
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