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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...
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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...
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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...
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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...
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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,...
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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...
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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,...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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US20120012403 |
CUTTING TOOL AND METHOD OF MANUFACTURE
A MAX-phase material is provided for a cutting tool and other applications.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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US20120125694 |
Matrix Powder System and Composite Materials and Articles Made Therefrom
The present invention includes a matrix powder system comprising one or more polycrystalline carbides, binderless carbides, or a combination thereof, a composite comprising the matrix powder system...
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US20130068449 |
LASER CLADDING FE-CR ALLOY ON DOWNHOLE TOOLS
A hardfacing composition composed of an Fe—Cr alloy. The alloy is comprised of 80 wt % iron, about 2 wt % to about 20 wt % Cr, less than 1 wt % Si and less than 1 wt % C. The alloy's m...
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US20130092450 |
DISPERSION OF HARDPHASE PARTICLES IN AN INFILTRANT
Composite materials for use with a drill bit for drilling a borehole in earthen formations. The composite material comprises a first pre-infiltrated hardphase constituent and a second...
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US20110120781 |
HIGH STRENGTH INFILTRATED MATRIX BODY USING FINE GRAIN DISPERSIONS
A drill bit may include a bit body having a plurality of blades extending radially therefrom, the bit body comprising a continuous infiltration binder and a plurality of carbide particles dispersed...
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US20090114453 |
EARTH-BORING TOOLS WITH PRIMARY AND SECONDARY BLADES, METHODS OF FORMING AND DESIGNING SUCH EARTH-BORING TOOLS
Earth-boring tools comprise a body including a face at a leading end thereof and a shank at a trailing end. At least one primary blade may extend radially outward over the face and may comprise a...
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