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Patent Searching and Data


Matches 1 - 50 out of 9,022

Document Document Title
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...  
WO/2019/117871A1
Systems and apparatus for performing laser kerfing operations in boreholes. Systems and apparatus for providing a plurality of laser beams in a concentric ring laser beam pattern to create holes in the bottom of a borehole surface in a p...  
WO/2019/117869A1
Systems and apparatus for performing laser kerfing operations in boreholes. Systems and apparatus for providing a plurality of laser beams in a concentric ring laser beam pattern to create holes in the bottom of a borehole surface in a p...  
WO/2019/105967A1
This disclosure relate to a pick tool for road milling or mining. The pick tool comprises a tip assembly coupled to a tool body. The tip assembly comprises a shaped cutter supported by a bolster, a first end of the bolster being connecte...  
WO/2019/103911A1
An earth-boring tool includes a body having a shank and a crown, a plurality of blades protruding from the crown of the body and extending at least substantially along a longitudinal length of the crown of the body, each blade extending ...  
WO/2019/099317A1
Earth-boring tools include a body, at least one first blade extending outward from the body, and at least one second blade extending outward from the body. The at least one first blade includes an upper surface, a first gage region havin...  
WO/2019/095511A1
A high impact resistant non-planar polycrystalline diamond composite piece for drilling a complex hard rock formation comprises a polycrystalline diamond layer and a cemented carbide substrate bonded to the polycrystalline diamond layer....  
WO/2019/095992A1
Disclosed is a hybrid drill bit provided with inserted-tooth cones. The hybrid drill bit provided with inserted-tooth cones comprises a drill bit body (101), cutter wings (102) disposed on the drill bit body, multiple fixed cutting teeth...  
WO/2019/099520A1
A method of forming an impregnated cutting structure for an earth-boring tool comprises providing a powder mixture comprising diamond particles and a metal binder in a press and subjecting the powder mixture to a pressure greater than ab...  
WO/2019/094912A1
A cutting element assembly includes a sleeve having a cutter-receiving aperture extending through the sleeve, a cutting element, and a rotation restriction element. The cutting element may include a first plurality of retention elements ...  
WO/2019/094011A1
A method of manufacturing, assembling, configuring, and/or using a hybrid drill bit is disclosed. An illustrative example includes inserting a rolling cutting structure into a central bore of a bit body through an upper connector section...  
WO/2019/094899A1
An earth-boring drill bit includes a bit body including a central shaft having a longitudinal axis, an annular cutter body disposed around, and rotatable relative to, the central shaft, at least one gear assembly operatively coupling the...  
WO/2019/094731A1
Methods of forming a stationary housing of a rotatable cutting element for use on an earth-boring tool may include forming one or more annular recesses extending around an outer surface of a first sleeve, inserting the first sleeve withi...  
WO/2019/094711A1
An earth-boring tool includes a body, a plurality of blades attached to the body and extending at least to a nose region of the earth-boring tool, a first rotatable cutting structure assembly coupled to the body, and a second rotatable c...  
WO/2019/083953A1
A cutting element assembly may include a support structure and a pin having a cylindrical exterior bearing surface. Retention elements may couple opposing ends of the pin to the support structure. The cutting element assembly also includ...  
WO/2019/075508A1
The present disclosure relates to an underreamer. In one aspect, the underreamer comprises a body, the body comprising at least one pocket therein, the underreamer further comprising at least one cutter secured with respect to the body, ...  
WO/2019/075917A1
Disclosed is a multi-functional non-planar polycrystalline diamond composite for oil and gas drilling, the composite comprising a polycrystalline diamond layer (100) and a rigid alloy substrate (200) bonded with the polycrystalline diamo...  
WO/2019/078824A1
The present disclosure provides downhole tools, methods for three dimensional printing hardfacing on such downhole tools, and systems for implementing such methods.  
WO/2019/078822A1
The present disclosure provides downhole tools, methods for three dimensional printing hardfacing on such downhole tools, and systems for implementing such methods.  
WO/2019/079321A1
A sealing arrangement having inboard and outboard dynamic seals in a housing separated by a barrier fluid and having a sealed relationship with a relatively movable bearing-guided shaft. A bearing chamber having bearing lubricant exposed...  
WO/2019/073123A1
An arrangement and method for installing a casing. The arrangement (100) comprises a casing (1 ), a bar part (2) adapted rotatable inside the casing, the arrangement further comprising a borer (6) which comprises a blade part (15) to rel...  
WO/2019/072542A1
In a tool (01) for loosening soil, in particular for loosening a seabed, having an axle (02) and having an outer body (04) rotatably mounted on the axle (02) and forming, with the axle (02), an annular space (28) for receiving a lubrican...  
WO/2019/070639A1
A boring bit such as for horizontal directional drilling is provided which includes a hard faced layer that is preferably made by a laser cladding bead. The laser clad bead may be applied in some regions to a greater extent and in other ...  
WO/2019/070738A1
An earth-boring tool comprising a body having first cutting elements mounted to an axially leading face, the first cutting elements each having a cutting face exposed to a height above the face of the body, the cutting faces of the first...  
WO/2019/069054A1
Method and apparatus for removing a section of well tubing. The well tubing (24) is milled in an upward direction on a hydraulic tensioning device (14) which maintains a constant load on the section mill so that long sections of tubing c...  
WO/2019/069055A1
Apparatus (10) and method for removing a section of well tubing. A work string including a hydraulic tensioning device (14) and a section mill (12) are run in a rigless arrangement to provide continuous upward milling of the tubing (24) ...  
WO/2019/070705A1
An earth-boring tool comprising a body having first cutting elements mounted to an axially leading face, the first cutting elements each having a cutting face exposed to a height above the face of the body, the cutting faces of the first...  
WO/2019/068005A1
A drill bit for removing subterranean formation material in a borehole comprises a bit body comprising a longitudinal axis, a plurality of blades extending radially outward from the longitudinal axis along a face region of the bit body a...  

Matches 1 - 50 out of 9,022