Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 9,063

Document Document Title
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 ...  
WO/2019/164534A1
A metal-matrix composite tool includes a matrix region. The matrix region has a reinforcement material, an outer surface, and an inner, localized area spaced apart from the outer surface within the reinforcement material. The reinforceme...  
WO/2019/164647A1
A rotary steerable tool may include a tool body with an upper end and a lower end. Additionally, the tool body may include at least one steering assembly extending from the tool body and includes at least one steering actuator configured...  
WO/2019/160828A1
Diamond particles with enhanced reactivity are used to sinter polycrystalline diamond (PCD), under high pressure and high temperature conditions. Copper and tin form a solution with transition metal catalyst (cobalt) used to sinter diamo...  
WO/2019/160812A1
A transition metal catalyst free polycrystalline diamond compact having enhanced thermal stability is disclosed herein. The diamond compact may be attached to a hard metal substrate. The polycrystalline diamond body includes a plurality ...  
WO/2019/157213A1
Coring tools for procuring core samples from an earth formations may include an inner barrel and an outer barrel located around, and rotatable with respect to, the inner barrel. A coring bit may be affixed to an end of the outer barrel. ...  
WO/2019/155199A1
A cutter blade (14) for use in a section mill (10), the cutter blade (14) comprising an elongate blade body (49) including a first edge (62), a second edge (64) which is longer than the first edge, a first cutting structure (66a) extendi...  
WO/2019/152973A1
An earth-boring tool includes a shank. The shank may include a central bore extending partially through the shank. An end-cap may be disposed within the central bore, and the end- cap may include a first flange, a second flange, and a bo...  
WO/2019/152057A1
A drill bit is provided that includes a bit body having one or more blades extending therefrom, a plurality of cutters secured to the one or more blades, and a rolling element assembly positioned within a cavity defined on the bit body. ...  
WO/2019/147820A1
A reaming tool for use in a wellbore has an elongated tubular body with an outer surface. There are at least first and second reamer sections formed on the tubular body, with the first and second reamer sections (i) being positioned circ...  
WO/2019/145602A1
An arrangement and a method for installing a casing in a borehole. The arrangement (100) comprises a casing (1), a boring pipe (2) which is adapted within the casing (1), the boring pipe (2) comprising flow channels for compressed air (3...  
WO/2019/136524A1
A reamer (1) for underground passageways, comprising: a support housing (3) and a plurality of radially extending cutting wings (11); a plurality of ring segments (13), wherein each ring segment (13) includes an arcuate ring portion (15)...  
WO/2019/139486A1
A core drill (1) arranged to drill in the ground (99), the core drill (1) comprising a sleeve (2) with a first end portion (22) and a bit ring (3) which is detachably attached in a rotationally rigid manner to the first end portion (22),...  
WO/2019/134929A1
This disclosure relates to a percussive drill bit comprising PCD studs and a hard facing material that is strategically located to minimise stud pop outs and the amount of hard facing material used.  
WO/2019/134930A1
This disclosure relates to a percussive drill bit comprising PCD studs and a drill bit body protector to limit erosion of the drill bit body near the PCD studs. The drill bit body protector may take various forms such as a continuous har...  
WO/2019/134956A1
This boring assembly (10) extends along a main axis (A – A') and comprises: • - a boring head (18) comprising: • + at least one first nozzle (20); • + at least one second nozzle (22), the or each second nozzle being different fro...  
WO/2019/136061A1
Cutting elements for earth-boring tools may include a substrate and a poly crystalline, superhard material secured to an end of the substrate. A first, greatest diameter of the poly crystalline, superhard material may be greater than a s...  
WO/2019/129718A1
A polycrystalline diamond construction has a first region having a first grade of PCD material and a second region having a second grade of PCD material, the first region being arranged to divide the second region into a plurality of seg...  
WO/2019/129715A1
A polycrystalline super hard construction has a body of polycrystalline diamond material with a working surface, a first region substantially free of a solvent/catalysing material extending a depth from the working surface into the body ...  
WO/2019/129714A1
A super hard polycrystalline construction has a first region having a body of thermally stable polycrystalline super hard material with an exposed surface forming a working surface, and a peripheral side edge, a second region forming a s...  
WO/2019/129716A1
A polycrystalline diamond (PCD) construction has a first region with a first set of one or more strata comprising a first grade of PCD material and a second set of strata comprising a second grade of PCD material. The first set is arrang...  
WO/2019/128956A1
Disclosed are a diamond composite plate and a drill bit provided at the tip thereof with the diamond composite plate. The diamond composite plate comprises a hard alloy substrate (102) and a diamond composite layer (101). The diamond com...  
WO/2019/129711A1
A super hard polycrystalline construction includes a first region having a body of thermally stable polycrystalline super hard material with an exposed surface forming a working surface, and a peripheral side edge. The polycrystalline su...  
WO/2016/066177A3
This technique (Dynamic Underbalanced Drilling- DUBD) is based on basic physical and fluid mechanics laws to create an underbalanced zone below and around the bit. This technique utilizes the high velocities of drilling fluid coming out ...  
WO/2019/119987A1
An insert cone hybrid bit, comprising a bit body (101), cutter wings (102), and cones (106). All fixed cutting inserts (104) on each cutter wing along an inner cone, a nose, and a shoulder thereof are classified as two groups of correspo...  
WO/2019/116042A1
A drill bit (10) for drilling a bore, the drill bit comprising: an outer housing (24); a primary cutting structure (18) defining a cutting plane of a first diameter; a flow path (42, 44) arranged to let drilling fluid flow through the dr...  

Matches 1 - 50 out of 9,063