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Patent Searching and Data


Matches 401 - 450 out of 6,848

Document Document Title
WO/2020/028663A1
A cutting tool which may be used in machining various material may include a body and one or more cutting elements associated therewith. In one example, the cutting element(s) may comprise a superhard table, such as a polycrystalline dia...  
WO/2020/028294A1
A cutter for a drill bit to drill a formation. The cutter has a cylindrical substrate, and a cutting table that is superhard material coupled to the substrate. The cutting table along a direction away from the cylindrical substrate incre...  
WO/2020/025948A1
A single trip casing cutting and pulling assembly which includes a casing spear (12), a mud motor (16) and a casing cutter (18), wherein a valve (14) is located between the casing spear (12) and the mud motor (16). The casing spear is op...  
WO/2020/023705A1
A cutting element for an earth-boring tool includes a substrate and a poly crystalline, superabrasive material secured to an end of the substrate. The poly crystalline, superabrasive material includes a first transition surface extending...  
WO/2020/022882A1
The invention relates to a pile installation system for providing a pile in the ground, comprising; -an elongate pile installation tool for forming a bore hole and having a distal end, -an end member for coupling to the distal end of the...  
WO/2020/023714A1
A cutting element for an earth-boring tool includes a substrate and a poly crystalline, superabrasive material secured to an end of the substrate. The poly crystalline, superabrasive material includes a curved, stress-reduction feature l...  
WO/2020/016137A1
The present invention relates to a drill bit assembly for fluid-operated percussion drill tools. The drill bit assembly comprises a percussion bit having a head portion formed with an axially extending shank, a first plurality of axially...  
WO/2020/015958A1
A roller cutter having a spindle (2) on which a cutting ring (4) is rotatably mounted by means of a bearing device (10, 12) that is sealed off from the surroundings by means of a sealing device (28, 30) is characterized in that any diffe...  
WO/2020/018780A1
Passively adjustable elements for earth-boring tools may include a housing and an element located at least partially within the housing. A piston may be secured to the element, the piston configured to drive extension and retraction of t...  
WO/2020/014082A1
A drill bit includes a bit body with high and low fluid pressure bodies. The low-ressure bit body includes a fixed cutting structure, and the high-pressure bit body includes at least one high-pressure fluid channel and nozzle capable of ...  
WO/2020/011199A1
A multi-ridge diamond composite sheet for a drill bit, comprising a hard alloy substrate (102) and a diamond composite layer (101), wherein an end surface of the diamond composite layer (101) is provided with at least two ridges (104, 10...  
WO/2020/007343A1
A fixed cutting structure-composite cone drill bit, comprising a drill bit body (1), a fixed cutting structure (2), and at least one cone (3). The cone and the fixed cutting structure are disposed on the drill bit body. The cone is rotat...  
WO/2020/010248A1
An instrumented cutting element, an earth-boring drilling tool, and related methods are disclosed. The instrumented cutting element may include a substrate base, a diamond table disposed on the substrate base, a sensor disposed within th...  
WO/2020/010241A1
An instrumented cutting element, an earth-boring drilling tool, and related methods are disclosed. The instrumented cutting element may include a substrate base, a diamond table disposed on the substrate base, a sensor disposed within th...  
WO/2020/005292A1
A rotary drill bit includes movable gauge elements biased to protrude radially through a circumferential engagement surface of a gauge pad. The gauge elements are retractable to protrude a lesser distance against the bias of a biasing me...  
WO/2020/005591A1
In some embodiments, the present disclosure includes a method of forming a body of an earth-boring downhole tool. A mold is formed that has at least one interior surface defining a mold cavity within the mold. The mold cavity has a shape...  
WO/2020/005286A1
A rotary drill bit is operable for forming a wellbore in a geologic formation, and includes a hybrid gauge pad thereon. The hybrid gauge pad includes movable gauge elements biased to protrude radially from a circumferential engagement su...  
WO/2020/006333A1
A downhole tool may include an anchor coupled to a first portion of the downhole tool and configured to engage with a feature of a wellbore to affix the first portion to the feature. The downhole tool may also include a linear actuator c...  
WO/2019/239146A1
A downhole tool comprising: a housing (24); a first piston (28) arranged within the housing such that the first piston can move axially under the action of fluid flowing through the tool; an indexer (32) configured to control axial movem...  
WO/2019/237150A1
The present invention relates to a drill bit replacement apparatus for replacing a drill bit on a drilling tool, the apparatus comprising: a drill bit holder comprising one or more drill bit receptacles, each drill bit receptacle adapted...  
WO/2019/241151A1
An earth-boring tool includes a body, at least one blade extending axially from the body, at least one cutting element mounted at a leading face of the at least one blade and at least one hybrid ovoid mounted at an axial end of the at le...  
WO/2019/238411A1
The invention relates to a drilling device, comprising a main drill body and a removal helix which extends helically around the main drill body, said removal helix being subdivided into a plurality of juxtaposed removal helix segments.  
WO/2019/228025A1
A liquid injection type reamer bit, comprising a drilling and reaming rod (1), a drilling tool (2) and reaming tools (3). The central axis of the drilling and reaming rod (1) is provided in the front and rear direction, and a front end o...  
WO/2019/232085A1
The disclosure relates to embodiments of horizontal directional drilling equipment and methods for horizontal directional drilling techniques including a reamer head comprising a frustoconical body, wherein the frustoconical body defines...  
WO/2019/226505A1
A cutting bit includes a bit body and high-pressure body with a high-pressure fluid conduit therethrough. The high-pressure body and bit body are joined together. The high-pressure fluid conduit is configured to convey a fluid at greater...  
WO/2019/220197A1
Drill bit configured to operate within a wellbore of a hydrocarbon- bearing rock formations the drill bit including at least one leg (102), at least one roller cone (103) rotatably mounted on the drill bit body. The roller cone includes ...  
WO/2019/222617A1
An earth-boring tool includes a body, at least one blade, and at least one rotatable cutting structure. The blade extends axially from the body and extends radially outward from a center longitudinal axis of the earth-boring tool to less...  
WO/2019/219906A1
A cutter element for an earth-boring tool, comprising a polycrystalline diamond (PCD) volume joined at an interface boundary to a cemented carbide substrate. The PCD volume includes a rake face opposite the interface boundary, an edge of...  
WO/2019/222596A1
Reamer for earth-boring applications may include a body having a longitudinal axis and a blade carried by the body. The blade may include at least one cutting element located at a first radial distance from the longitudinal axis and a ga...  
WO/2019/214050A1
Disclosed is a smart environmentally friendly drill, comprising a drill (1), a transmitter (2), a drill sleeve (3), spray head assemblies (4), a cooling water tank (8), an air compressor (9), a receiver, and a control circuit, wherein th...  
WO/2019/211588A1
A wellbore roller-reamer comprises a mandrel rotatable about a mandrel axis, and a first roller mounted around the mandrel and having an outer reaming surface for engaging a wall of a wellbore. The first roller is rotatable relative to t...  
WO/2019/211589A1
A downhole tool, comprising: a mandrel having first and second opposing ends and an outer mounting surface, the first end comprising a male threaded portion; a tool component mountable on the mounting surface by sliding said tool compone...  
WO/2019/209448A1
A cutting element (101) for a drill bit (112) includes a PCD cutting face (328) having a ridge (332) that extends away from the periphery towards the center of the cutting face, terminating in a curved, central most ridge end (339). The ...  
WO/2019/204893A1
The present invention relates to a system for monitoring wear of a drill bit, comprising: a drill bit provided with: a cutting surface; an internal matrix; and a channel at an internal region of the drill bit, beneath the cutting surface...  
WO/2019/210111A1
A core drill bit can include a first region and a second region. The first region can include abrasive particles in a first bond matrix, and the second region can include abrasive particles in a second bond matrix. The first region is co...  
WO/2019/207347A1
The present invention relates to an oil well drill bit 1, comprising a cylindrical body 10 with a front section 20 facing a drilling direction Z and a rear section 30 for connection of the drill bit 1 with a drill string 40, a circular h...  
WO/2019/200067A1
An earth-boring tool may include a plurality of blades extending axially and radially from a body. A first plurality of cutting elements may be disposed along rotationally leading faces of the plurality of blades. A pocket may be formed ...  
WO/2019/199345A1
A downhole tool having a mandrel, and a bottom slip disposed around the mandrel. The bottom slip includes a circular body having a one-piece configuration characterized by a plurality of slip segments by at least partial material connect...  
WO/2019/196991A1
The aim of the invention is to reduce the loading of the bearing of disk-shaped drill bits and roller bits caused by impact and vibratory stress produced, e.g. by pneumatic and hydraulic hammers of rock breaking machines or similar machi...  
WO/2019/195012A1
A wellbore drill bit assembly includes a drill bit that includes a drilling fluid pathway that has an inlet fluidly connected to a drilling fluid entrance of the drill bit and an outlet fluidly connected to a drilling fluid exit of the d...  
WO/2019/191013A1
A drill bit forming a borehole in the earth may be urged sideways, creating a curve in the borehole, by a cross-sectional shape of the borehole. For example, a borehole with a cross-sectional shape comprising two circular arcs of distinc...  
WO/2019/190456A1
A drill bit includes a bit body defining a rotational axis, a plurality of blades on the bit body, a plurality of cutting elements on the plurality of blades, each cutting element defining a sweep profile about the rotational axis, a fir...  
WO/2019/182966A1
A retractable and extendable roller reamer is positioned on a string. The retractable and extendable roller reamer is configured to support and centralize the string within the wellbore. An extension and retraction mechanism is configure...  
WO/2019/182976A1
A retractable and extendable cone-type reamer is positioned on a drill string. An extension and retraction mechanism is configured to extend and retract the cone-type reamer. A hydraulic power unit is configured to control the extension ...  
WO/2019/178320A1
A device for transferring torque to a drill bit in a borehole having a borehole axis includes a support element configured to rotate in the borehole about the borehole axis, a torque transferring element configured to transfer torque fro...  
WO/2019/178458A1
A PDC drill bit for use in downhole air drilling includes a body with a face for engaging a bottom of a hole being drilled and a gauge for engaging a side of the hole being drilled. The face includes a cone, a nose outward of the cone, a...  
WO/2019/170847A1
The invention relates to a drill head (100) which can be rotated about a rotational axis (S) during operation and the effective drill diameter (D0, D1, D2) of which can be expanded, comprising a main part (2) which comprises an end face ...  
WO/2019/173675A1
An earth-boring tool for removing subterranean formation material in a borehole comprises a tool body having a central axis defining an axial center thereof and a leg extending in an axial direction from the tool body. A bearing assembly...  
WO/2019/166690A1
An earth-boring drill bit and method of manufacturing the same. The drill bit (1) comprises a bit body (2), which is a uniform piece and is made of carbon steel. The body comprises a crown(3)provided with several blades (6) and separatel...  
WO/2019/168905A1
An earth-boring tool may include a plurality of blades extending axially and radially from a body. A first plurality of cutting elements may be disposed along rotationally leading faces of the plurality of blades. A pocket may be formed ...  

Matches 401 - 450 out of 6,848