Matches 1 - 50 out of 78 1 2 >


Match Document Document Title
US20140034397 DOWNHOLE REAMER ASYMMETRIC CUTTING STRUCTURES  
A cutting structure for use with a reamer in enlarging a borehole in a subterranean formation includes a plurality of cutter blocks, radially extendable from a reamer body away from a central axis...
US20150060151 CUTTING ELEMENTS WITH WEAR RESISTANT DIAMOND SURFACE  
Cutting elements include polycrystalline diamond which may be attached to a substrate. The polycrystalline diamond may have a ratio of cubic to hexagonal cobalt crystalline structures of greater...
US20140367177 POLYCRYSTALLINE DIAMOND COMPACTS WITH PARTITIONED SUBSTRATE, POLYCRYSTALLINE DIAMOND TABLE, OR BOTH  
Embodiments of methods for at least partially relieving stress within a polycrystalline diamond (“PCD”) table of a polycrystalline diamond compact (“PDC”) by partitioning the substrate of the PDC,...
US20140246253 CUTTING ELEMENTS FOR EARTH-BORING TOOLS, EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS, AND RELATED METHODS  
A cutting element for an earth-boring tool includes a volume of superabrasive material having a cutting face and a shaped feature on the cutting face. The shaped feature may include at least one...
US20150060152 CUTTING ELEMENTS FOR EARTH-BORING TOOLS AND EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS  
Cutting elements, earth-boring drill bits having such cutting elements and related methods are described herein. In some embodiments, a cutting element for an earth-boring tool may include a...
US20140246242 COMPONENTS OF DRILLING ASSEMBLIES, DRILLING ASSEMBLIES, AND METHODS OF STABILIZING DRILLING ASSEMBLIES IN WELLBORES IN SUBTERRANEAN FORMATIONS  
A component of a drilling assembly comprises at least one blade having a gauge region comprising a bearing face for engaging a sidewall of a wellbore in a subterranean formation during rotation of...
US20140048339 CUTTING ELEMENTS FOR EARTH-BORING TOOLS, EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS AND RELATED METHODS  
Cutting elements, earth-boring drill bits having such cutting elements and related methods are described herein. In some embodiments, a cutting element for an earth-boring tool may include a...
US20110259642 CUTTING ELEMENTS FOR EARTH-BORING TOOLS, EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS AND RELATED METHODS  
Cutting elements, earth-boring drill bits having such cutting elements and related methods are described herein. In some embodiments, a cutting element for an earth-boring tool may include a...
US20150259988 CUTTING ELEMENTS HAVING NON-PLANAR SURFACES AND DOWNHOLE CUTTING TOOLS USING SUCH CUTTING ELEMENTS  
A cutting element may include a substrate, an upper surface of the substrate including a crest, the crest transitioning into a depressed region, and an ultrahard layer on the upper surface,...
US20130068537 CUTTING ELEMENTS FOR EARTH-BORING TOOLS, EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS AND RELATED METHODS  
Cutting elements include a superabrasive table, at least one indentation in a cutting face of the superabrasive table, and at least one spoke extending radially across at least a portion of the at...
US20140084669 TIP FOR DEGRADATION TOOL AND TOOL COMPRISING SAME  
A tip for a degradation tool, the tip comprising a PCD structure (20) joined to a cemented carbide substrate (30); the PCD structure comprising a plurality of strata (24, 25) arranged so that...
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...
US20110031037 POLYCRYSTALLINE DIAMOND MATERIAL WITH HIGH TOUGHNESS AND HIGH WEAR RESISTANCE  
A cutting element that includes a substrate; and an outer layer of polycrystalline diamond material disposed upon the outermost end of the cutting element, wherein the polycrystalline diamond...
US20140048340 CUTTING ELEMENTS FOR EARTH-BORING TOOLS, EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS AND RELATED METHODS  
Cutting elements, earth-boring drill bits having such cutting elements and related methods are described herein. In some embodiments, a cutting element for an earth-boring tool may include a...
US20150129322 POLYCRYSTALLINE DIAMOND CUTTING ELEMENTS WITH TRANSITION ZONES AND DOWNHOLE CUTTING TOOLS INCORPORATING THE SAME  
A cutting element may include a substrate including a plurality of metal carbide particles and a first metal binder having a first metal binder content; an outer layer of polycrystalline diamond...
US20100243334 AUTO ADAPTABLE CUTTING STRUCTURE  
A cutter is configured with a diamond table made from a thin hard facing material layer of polycrystalline diamond bonded to a backing layer made from cemented tungsten carbide. The face of the...
US20110192653 Cutting Element and Method of Orienting  
A cutting element includes, a gilmoid with a plurality of cutting edges thereon, and at least one support extending from the gilmoid, the at least one support and at least one of the plurality of...
US20110031035 Cutter and Cutting Tool Incorporating the Same  
A cutter for a downhole cutting tool is disclosed. The cutter includes a cutter body having a cutting face, a peripheral sidewall flank, and a base. The base has a recessed channel that extends...
US20150114727 EARTH-BORING TOOLS INCLUDING CUTTING ELEMENTS WITH ALIGNMENT FEATURES AND RELATED METHODS  
An earth-boring tool may comprise a body having at least one blade, and at least one cutting element recess may be formed in a surface of the at least one blade. At least one cutting element may...
US20070151769 Microwave sintering  
A carbide composite that includes carbide particles having an average particle size of less than about 100 nanometers and a metallic binder disposed around the carbide particles is disclosed. The...
US20080190670 ROTARY DRAG BIT WITH INCREASED BACK RAKE ANGLE GAUGE CUTTER  
A fixed cutter rotary drill bit having gauge cutting elements at large back rake angles are disclosed. The gauge is located at the outer diameter side wall portion of the bit that extends from the...
US20140041948 CUTTING ELEMENTS HAVING CUTTING EDGES WITH CONTINUOUS VARYING RADII AND BITS INCORPORATING THE SAME  
A cutting element is provided having a substrate and an ultra hard material cutting layer over the substrate. The cutting layer includes a surface portion for making contact with a material to be...
US20110259650 Tracking Shearing Cutters on a Fixed Bladed Drill Bit with Pointed Cutting Elements  
In one aspect of the invention, a fixed bladed drill bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of...
US20130341097 Cutting Element, Tool and Method of Cutting Within a Borehole  
A cutting element includes a body having two planes, each of the two planes defining a plurality of edges, and a support extending from a first of the two planes. The support and the body are...
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...
US20090057031 CHAMFERED EDGE GAGE CUTTERS, DRILL BITS SO EQUIPPED, AND METHODS OF CUTTER MANUFACTURE  
A cutting element for an earth boring bit, wherein the PDC layer of the cutting element has a flat on a periphery thereof terminating longitudinally at en edge spaced from of the cutting face of...
US20150000988 CUTTER FOR USE IN WELL TOOLS  
Position indication in multiplexed downhole well tools. A method of selectively actuating and indicating a position in a well includes selecting at least one well tool from among multiple well...
US20080035388 Drill Bit Nozzle  
A drill bit comprising a body intermediate a threaded shank and a working face with the working face comprising a plurality of blades converging towards a center of the working face and diverging...
US20050269139 Shaped cutter surface  
A cutter for a drill bit used in a geological formation includes a shaped ultra hard working surface. The cutter with the shaped working surface is mounted on a drill bit to provide desired...
US20100059287 CUTTER GEOMETRY FOR HIGH ROP APPLICATIONS  
A polycrystalline diamond compact (“PDCD”) cutter includes a cylindrical body formed from a substrate material, an ultrahard layer disposed on the cylindrical body, and a cutting face...
US20150122553 HIGH IMPACT RESISTANT TOOL WITH AN APEX WIDTH BETWEEN A FIRST AND SECOND TRANSITIONS  
In one aspect of the present invention, a high impact resistant tool comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate at an interface, the body...
US20150218890 EARTH-BORING TOOLS INCLUDING SHAPED CUTTING ELEMENTS, AND RELATED METHODS  
A cutting element for an earth-boring tool. The cutting element comprises a substrate base, and a volume of polycrystalline diamond material on an end of the substrate base. The volume of...
US20080314647 Rotary Drag Bit with Pointed Cutting Elements  
In one aspect of the invention a rotary drag bit has a bit body intermediate a shank and a working surface. The working surface has a plurality of blades converging at a center of the working...
US20100000800 Rotary Drill Bits with Protected Cutting Elements and Methods  
A rotary drill bit with cutting elements operable to control depth of cut and rate of penetration during formation of a wellbore are provided. Respective sets of secondary cutting elements and...
US20140008131 LAYERED POLYCRYSTALLINE DIAMOND  
In one aspect of the present invention, a high impact wear resistant tool has a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The superhard material...
US20140284117 SUPERABRASIVE CUTTERS WITH GROOVES ON THE CUTTING FACE AND DRILL BITS AND DRILLING TOOLS SO EQUIPPED  
Cutters for a drill bit wherein the cutters have at least one groove in a face of a superabrasive table of the cutters. The cutters may also include ribs adjacent to the at least one groove.
US20110031036 SUPERABRASIVE CUTTERS WITH GROOVES ON THE CUTTING FACE, AND DRILL BITS AND DRILLING TOOLS SO EQUIPPED  
Cutters for a drill bit wherein the cutters have at least one groove in a face of a superabrasive table of the cutters. The cutters may also include ribs adjacent to the at least one groove.
US20100051351 INTERMETALLIC BONDED DIAMOND (IBD) CUTTING ELEMENTS  
A cutting element may include a substrate having a bonding interface region, and an intermetallic bonded diamond (IBD) element bonded to the bonding interface region of the substrate. In some...
US20100059288 Cutting Element Attached to Downhole Fixed Bladed Bit at a Positive Rake  
In one aspect of the present invention, a downhole fixed bladed bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards...
US20090242278 Hard material insert  
A segmental hard material insert for a working tool has a planar polycrystalline diamond layer (13) having, in its layer plane, a main cutting element (16, 36) and a contact edge (15) located...
US20100300766 Convex Crested Insert With Deflected Wedge Surfaces  
This invention relates to carbide inserts used on roller cone bits for oil and gas drilling applications as well as for other geological drilling applications, and more specifically, relates to...
US20140332273 CUTTING ELEMENT, TOOL AND METHOD OF CUTTING WITHIN A BOREHOLE  
A cutting element includes, a body having two planes, each of the two planes defining a plurality of edges, and a support extending from a first of the two planes. The support and the body are...
US20140116790 CUTTING ELEMENT ATTACHED TO DOWNHOLE FIXED BLADED BIT AT A POSITIVE RAKE ANGLE  
In one aspect of the present invention, a downhole fixed bladed bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards...
US20140299388 DRILL BIT FOR ROCK DRILLING TOOL, AND ROCK DRILLING TOOL  
A drill bit for rock drilling tools includes a drill bit head having a front surface including a face surface defining a forward-most end of the drill bit head. The face surface has an outer edge,...
US20150027786 TRACKING SHEARING CUTTERS ON A FIXED BLADED DRILL BIT WITH POINTED CUTTING ELEMENTS  
A fixed bladed drill bit has a working face that includes a plurality of blades converging at a center of the working face and diverging towards a gauge of the bit, each blade having a leading...
US20140262545 CUTTING STRUCTURES FOR FIXED CUTTER DRILL BIT AND OTHER DOWNHOLE CUTTING TOOLS  
A cutting tool may include a tool body; a plurality of blades extending from the tool body; and a plurality of primary cutting elements and a plurality of backup cutting elements are on each of...
US20120048625 Functionally Leached PCD Cutter  
A cutting table includes a cutting surface, an opposing surface, a cutting table outer wall, and one or more slots. The cutting table outer wall extends from the circumference of the opposing...
US20100263939 High Impact Resistant Tool with an Apex Width between a First and Second Transitions  
In one aspect of the present invention, a high impact resistant tool comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate at an interface, the body...
US20110266072 Drill Bit With Tiered Cutters  
The present invention relates to a drill bit having a bit body and a plurality of cutters, which are configured to disintegrate earthen formation as the bit body is rotated by a connected drill...
US20140262544 CUTTING STRUCTURES FOR FIXED CUTTER DRILL BIT AND OTHER DOWNHOLE CUTTING TOOLS  
A cutting tool may includes a tool body; a plurality of blades extending from the tool body; and a plurality of non-planar cutting elements disposed along each of the plurality of blades, the...

Matches 1 - 50 out of 78 1 2 >