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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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