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US20110259647 SYSTEMS FOR MANUFACTURING DOWNHOLE TOOLS AND DOWNHOLE TOOL PARTS  
Methods, systems and compositions for manufacturing downhole tools and downhole tool parts for drilling subterranean material are disclosed. A model having an external peripheral shape of a...
US20130277121 DOWNHOLE TOOLS AND PARTS AND METHODS OF FORMATION  
Methods, systems, and compositions for manufacturing downhole tools and downhole tool parts for drilling subterranean material are disclosed. A model having an external peripheral shape of a...
US20100307838 METHODS SYSTEMS AND COMPOSITIONS FOR MANUFACTURING DOWNHOLE TOOLS AND DOWNHOLE TOOL PARTS  
Methods, systems and compositions for manufacturing downhole tools and downhole tool parts for drilling subterranean material are disclosed. A model having an external peripheral shape of a...
US20110303465 IMPREGNATED DRILLING TOOLS INCLUDING ELONGATED STRUCTURES  
Impregnated drilling tools include elongated structures that provide enhanced properties. The drilling tools contain a diamond-impregnated cutting section that contains elongated structures made...
US20130025941 METHODS OF COATING WELLBORE TOOLS AND COMPONENTS HAVING SUCH COATINGS  
A method for forming a coating upon a wellbore tool includes forming a pattern of features supported by a body and forming a coating over the pattern of features. Forming the pattern of features...
US20110031028 Hard Composite with Deformable Constituent and Method of Applying to Earth-Engaging Tool  
A hardmetal composite used as wear-resistant surfaces and inlays in earth-engaging equipment includes more than one hardphase. At least one hardphase has a high average particle size, for example,...
US20140102809 Anti-Balling Coating On Drill Bits And Downhole Tools  
A coating that includes a polyisocyanate compound and at least one metal inclusion selected from the group consisting of tungsten and tungsten carbide. The metal inclusions range between about five...
US20130098691 HIGH-STRENGTH, HIGH-HARDNESS BINDERS AND DRILLING TOOLS FORMED USING THE SAME  
Implementations of the present invention include a binder with high hardness and tensile strength that allows for the creation of drilling tools with increased wear resistance. In particular, one...
US20120228036 FIBER-CONTAINING DIAMOND-IMPREGNATED CUTTING TOOLS AND METHODS OF FORMING AND USING SAME  
Fibers for diamond-impregnated cutting tools and their associated methods for manufacture and use are described. A matrix is formed that contains fibers made from carbon, glass, ceramic, polymer,...
US20080283305 Method of Repairing Diamond Rock Bit  
Hardfacing is applied on the gage surface of bit blades, the leading and trailing edges of bit blades, and on carbide inserts. The gage surface contains natural diamonds, synthetic diamonds,...
US20070187153 Polycrystalline diamond apparatuses and methods of manufacture  
Methods of manufacturing polycrystalline diamond are disclosed. More particularly, a mixture including diamond and fullerenes may be provided. Further, the mixture may be exposed to a high...
US20130105230 ABRASIVE-IMPREGNATED CUTTING STRUCTURE HAVING ANISOTROPIC WEAR RESISTANCE AND DRAG BIT INCLUDING SAME  
An abrasive-impregnated cutting structure for use in drilling a subterranean formation is disclosed. The abrasive-impregnated cutting structure may comprise a plurality of abrasive particles...
US20130028672 ARTICLES HAVING IMPROVED RESISTANCE TO THERMAL CRACKING  
An article includes a working portion including cemented carbide, and a heat sink portion in thermal communication with the working portion. The heat sink portion includes a heat sink material...
US20100038148 Intermetallic Aluminide Polycrystalline Diamond Compact (PDC) Cutting Elements  
Machining and cutting tools including, but not limited to, rotary drill bits, mining tools, milling tools, wood shredders, reamers and wire dies formed with at least one substrate having a layer of...
US20130341100 Modular cutting-teeth drill bit with controllable drilling specific pressure  
A modular cutting-teeth drill bit with controllable drilling specific pressure comprises a module (1), a modular unit (2), a bit body (3), conventional cutting teeth (4) and a nozzle (5). According...
US20080047759 Hard material insert for a drill and a drill with the hard material insert  
A hard material insert (1) for a drill (2, 2′) includes an axially central reinforcement (3) provided in the insert, and two diametrically opposite, radial arms (4) each having a cross-section t...
US20120067651 HARDFACING COMPOSITIONS, METHODS OF APPLYING THE HARDFACING COMPOSITIONS, AND TOOLS USING SUCH HARDFACING COMPOSITIONS  
A hardfacing composition comprising a carbide phase and a matrix phase, The carbide phase comprises mono-tungsten carbide in a quantity of greater than 50 percent by weight, based on the total...
US20090320584 ROTARY DRILL BITS AND SYSTEMS FOR INSPECTING ROTARY DRILL BITS  
A method for conducting nondestructive internal inspection of a rotary drill bit used for drilling subterranean formations comprises communicating ultrasonic waves into a drill bit and detecting...
US20120012403 CUTTING TOOL AND METHOD OF MANUFACTURE  
A MAX-phase material is provided for a cutting tool and other applications.
US20120285293 COMPOSITE SINTERED POWDER METAL ARTICLES  
A composite sintered powder metal article including a first region including a cemented hard particle material such as, for example, cemented carbide. The article includes a second region...
US20120103696 POLYCRYSTALLINE COMPACTS INCLUDING NANOPARTICULATE INCLUSIONS, CUTTING ELEMENTS AND EARTH-BORING TOOLS INCLUDING SUCH COMPACTS, AND METHODS OF FORMING SAME  
A polycrystalline compact comprises a plurality of grains of hard material and a plurality of nanoparticles disposed in interstitial spaces between the plurality of grains of hard material. The...
US20120298425 Heavy Duty Matrix Bit  
An apparatus and method for manufacturing a downhole tool that reduces failures occurring along a bondline between a cemented matrix coupled around a blank. The cemented matrix material is formed...
US20110067924 IMPREGNATED CUTTING ELEMENTS WITH LARGE ABRASIVE CUTTING MEDIA AND METHODS OF MAKING AND USING THE SAME  
Implementations of the present invention include impregnated drill bits having a plurality of relatively large abrasive cutting media, such as polycrystalline diamonds, embedded therein. According...
US20090308663 ROTARY DRILL BITS AND DRILLING TOOLS HAVING PROTECTIVE STRUCTURES ON LONGITUDINALLY TRAILING SURFACES  
A rotary drill bit or other drilling tool for drilling or reaming through subterranean formation and comprising a body comprising a distal end and gage areas near a proximal end thereof and...
US20100236834 HARDFACING COMPOSITIONS, METHODS OF APPLYING THE HARDFACING COMPOSITIONS, AND TOOLS USING SUCH HARDFACING COMPOSITIONS  
A hardfacing composition comprising an iron-based binder alloy; and a carbide phase comprising a sintered carbide and a cast tungsten carbide, wherein the cast carbide is present in a quantity of...
US20100108399 CARBURIZED MONOTUNGSTEN AND DITUNGSTEN CARBIDE EUTECTIC PARTICLES, MATERIALS AND EARTH-BORING TOOLS INCLUDING SUCH PARTICLES, AND METHODS OF FORMING SUCH PARTICLES, MATERIALS, AND TOOLS  
Earth-boring tools for drilling subterranean formations include a particle-matrix composite material comprising a plurality of at least partially carburized monotungsten carbide and ditungsten...
US20090008154 Earth Boring Drill Bits Made From A Low-Carbon, High-Molybdenum Alloy  
An earth boring bit formed from an alloy comprising a low carbon content and high molybdenum content is disclosed herein. The molybdenum content is greater than about 0.8% to about 1.15% by weight...
US20100012392 SHANK STRUCTURE FOR ROTARY DRILL BITS  
A shank configuration for rotary drill bits is disclosed for positioning of the shank in relation to the bit body. A tapered surface or feature of the shank may be configured and sized to matingly...
US20130092449 LOW COEFFICIENT OF THERMAL EXPANSION CERMET COMPOSITIONS  
Low coefficient of thermal expansion (CTE) cermet compositions of this invention generally comprise a hard phase material and a ductile phase formed from a binder alloy, wherein the binder alloy is...
US20060278436 Drilling apparatus with reduced exposure of cutters  
A rotary drilling apparatus and method for drilling subterranean formations, including a body being provided with at least one cutter thereon exhibiting reduced, or limited, exposure to the...
US20100084198 CUTTERS FOR FIXED CUTTER BITS  
A PDC cutter including a body formed from a substrate material, an ultrahard layer disposed on the body, and a concave cutting face perpendicular to an axis of the body is disclosed. A PDC cutter...
US20130213719 THRU-TUBING MILL  
A thru-tubing mill with an elongate body having an attachment end and a milling end. The attachment end is attached to a tubing string. The milling end has a semi-torroidal surface defined by a...
US20100006345 INFILTRATED, MACHINED CARBIDE DRILL BIT BODY  
Methods of forming bit bodies for earth-boring bits include assembling green components that have been infiltrated, brown components that have been infiltrated, or fully sintered components that...
US20110073378 Ultrahard Sintered Carbide Particles in Hardfacing for Earth-Boring Bit  
A hardfacing composition for downhole well tools, such as earth boring bits, contains sintered ultrahard particles. The ultrahard particles consist of tungsten carbide grains, cobalt and vanadium....
US20080083568 METHODS FOR APPLYING WEAR-RESISTANT MATERIAL TO EXTERIOR SURFACES OF EARTH-BORING TOOLS AND RESULTING STRUCTURES  
Earth-boring tools include wear-resistant materials disposed in at least one recess formed in an exterior surface of a body thereof. Exposed surfaces of the wear-resistant material are...
US20100307837 CASING BIT AND CASING REAMER DESIGNS  
A casing end tool has a bowl-like (or cup-like) body defined by a wall having an outer convex surface and an inner concave surface opposite of the outer convex surface. The bowl-like body has a...
US20090142594 EROSION RESISTANT SURFACE AND METHOD OF MAKING EROSION RESISTANT SURFACES  
An erosion resistant surface using a dense array of elastic whiskers to slow the velocity of erosive particles before impacting with the surface. A carbon nanotube forest is grown on the surface to...
US20100038145 HARDFACING COMPOSITIONS FOR EARTH BORING TOOLS  
A hardfacing composition essentially consisting of from about 50 to 75 percent by weight of a carbide phase having a particle size distribution of ±20% or less of a median particle size; and from ...
US20130020136 High Thermal Conductivity Hardfacing  
A hardmetal composition comprises tungsten carbide in an amount greater than 50 weight percent of the hardmetal composition. In addition, the hardmetal composition comprises a binder material...
US20130206483 METHOD FOR REPAIRING OR REINFORCING CUTTER POCKETS OF A DRILL BIT  
A method for forming pockets of a drill bit includes inserting a displacement plug in a cutter pocket defined by a substrate of a drill bit. A hardfacing material is applied to the substrate and...
US20090065260 HARDFACING CONTAINING FULLERENES FOR SUBTERRANEAN TOOLS AND METHODS OF MAKING  
An earth boring bit comprising, a bit body, a cantilevered bearing shaft depending from the bit body, a cutter mounted for rotation on the bearing shaft, a plurality of cutting elements disposed on...
US20110114394 MATRIX TOOL BODIES WITH EROSION RESISTANT AND/OR WEAR RESISTANT MATRIX MATERIALS  
Methods for manufacturing a matrix tool body comprising placing a first matrix material within a first region of a mold cavity proximate a surface of the mold. A second matrix material may be...
US20070205024 STEERABLE FIXED CUTTER DRILL BIT  
A fixed cutter drill bit includes a plurality of gage pads, where certain of the gage pads have an active cutting region adjacent to the end of the gage pad adjacent to the bit face, and a passive...
US20120024604 FIXED CUTTER DRILL BIT FOR ABRASIVE APPLICATIONS  
The invention provides a fixed cutter drill bit for drilling through unconsolidated, highly abrasive formations. The bit includes a bit body having a cutting face and a side portion. The bit body...
US20110005837 FIXED CUTTER DRILL BIT FOR ABRASIVE APPLICATIONS  
The invention provides a fixed cutter drill bit for drilling through unconsolidated, highly abrasive formations. The bit includes a bit body having a cutting face and a side portion. The bit body...
US20130092453 USE OF TUNGSTEN CARBIDE TUBE ROD TO HARD-FACE PDC MATRIX  
A hardfaced infiltrated matrix downhole tool and a method for hardfacing such items. The hardfaced infiltrated matrix downhole tool includes a body, an intermediate base coat coupled to at least a...
US20080035377 MILLING OF CEMENTED TUBULARS  
A method and apparatus for milling an item in a wellbore. The method and apparatus including providing a milling tool having one or more blades which are geometrically configured to resist...
US20100000798 METHOD TO REDUCE CARBIDE EROSION OF PDC CUTTER  
An abrasive wear-resistant material includes a matrix and sintered and cast tungsten carbide granules. A device for use in drilling subterranean formations includes a first structure secured to a...
US20070169965 Drilling tool with a cutting element that is configured as a plate or head  
The invention relates to a drilling tool, especially for percussion drilling, which comprises a cutting element (3) that is configured as a plate (3) or head and that has at least one cutting edge...
US20080202814 Earth-boring tools and cutter assemblies having a cutting element co-sintered with a cone structure, methods of using the same  
Methods of forming cutter assemblies for use on earth-boring tools include sintering a cone structure to fuse one or more cutting elements thereto. In some embodiments, one or more green, brown, or...
Matches 1 - 50 out of 84 1 2 >