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WO/2017/183659A1 |
This excavation chip has a chip body provided with a distal-end part which tapers off progressively toward the distal-end side thereof, a hard layer is formed on the surface of the distal-end part of the chip body, an outermost layer of ...
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WO/2017/172431A2 |
A cutting element may include a substrate; and an ultrahard layer on the substrate, the ultrahard layer including a non-planar working surface that is surrounded by a peripheral edge having a varying height around a circumference of the ...
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WO/2017/164867A1 |
A drill bit analysis and optimization system for use in a wellbore is provided. The system includes a drill bit including a cutter, a sensor that collects a data signal on a surface of the drill bit proximate to the cutter, and a signal ...
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WO/2017/165171A1 |
Methods of forming a volume of hard material on a component of a downhole tool include depositing a film of amorphous carbon on a substrate, irradiating the film of amorphous carbon to form a liquid carbon in an undercooled state, and qu...
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WO/2017/164713A1 |
A water hammer device of the present invention comprises: a hammer body having a bit unit, which performs a drilling operation and is provided at an end portion thereof; a piston slidably provided in the hammer body, and having a working...
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WO/2017/162909A1 |
The invention relates to a down-the-hole drilling device (1) for drilling to be performed with a casing pipe, wherein the drilling device comprises in its drilling head: a drilling arrangement having first drilling means for drilling a c...
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WO/2017/161075A1 |
Polycrystalline diamond bodies having an annular region of diamond grains and a core region of diamond grains and methods of making the same are disclosed. In one embodiment, a polycrystalline diamond body (120) includes an annular regio...
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WO/2017/161074A1 |
Polycrystalline diamond bodies having an annular region of diamond grains and a core region of diamond grains and methods of making the same are disclosed. In one embodiment, a polycrystalline diamond body includes an annular region of i...
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WO/2017/161282A1 |
A method of forming a cutting element comprises forming a first material comprising discrete coated particles within a container. The first material is pressed to form a first green structure comprising interbonded coated particles. A se...
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WO/2017/152147A1 |
The present invention is a hydraulic excavation and delivery device capable of hydraulically removing soil overburden from a buried structure, like a pipeline, and delivering an article, such as an electro-mechanical connector for attach...
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WO/2017/151885A1 |
An earth-boring tool may include a body and at least one rotatable cutting structure assembly. The rotatable cutting structure assembly may include a leg, a rotatable cutting structure rotatably coupled to the leg, and a resistance actua...
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WO/2017/151130A1 |
A crimping connection for an inner tube is disclosed. An inner barrel system includes a first coring inner barrel; a second coring inner barrel; and a crimp ring overlapping an end of the first coring inner barrel and an end of the secon...
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WO/2017/148978A1 |
A down-the-hole hammer drill bit retaining assembly to releasably retain a drill bit at a hammer arrangement of a percussion drilling apparatus. The retaining assembly comprises a drive sub and a retainer ring in which the drive sub comp...
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WO/2017/151353A1 |
A cutting element has a port extending through at least a portion of the cutting element body. A cutting face of the cutting element includes an ultrahard material. The port is configured to provide fluid communication therethrough and t...
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WO/2017/151895A1 |
A polycrystalline diamond compact includes a polycrystalline diamond material having a plurality of grains of diamond bonded to one another by inter-granular bonds and an intermetallic gamma prime (γ') or κ-carbide phase disposed withi...
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WO/2017/151131A1 |
Systems and methods are disclosed for an inner barrel system. The inner barrel system that includes a coring inner barrel. The system also includes a connector sub coupled to the coring inner barrel. The connector sub includes a tubular ...
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WO/2017/146716A1 |
A hybrid drill bit includes both fixed cutting elements and an adjustable cutting structure thereon. An adjustment mechanism is provided to allow an axial position of cutting elements at a leading end of the adjustable cutting structure ...
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WO/2017/146673A1 |
A downhole drilling system is disclosed. The downhole drilling system may include a bottom-hole assembly having a pulse-generating circuit and a switching circuit within the pulse-generating circuit, the switching circuit comprising a so...
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WO/2017/144712A1 |
The present invention relates to a device and a method for the slotting of casings. The device comprises a slotting tool and is provided for the longitudinal slotting of casings in order to subsequently mill the previously slotted areas ...
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WO/2017/142739A1 |
A method for manufacturing a ground engaging component (200) is disclosed. The method includes providing a mixture of compacted powders including carbon, titanium, and a first alloy, the first alloy having a first composition and heating...
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WO/2017/142829A1 |
A ground engaging tooth (52) for a ground engaging machine (20) is disclosed. The ground engaging tooth (52) may comprise a non-ground- engaging end (54), a ground-engaging end (56), a body (58) extending between the non-ground-engaging ...
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WO/2017/143056A1 |
A bearing system configured for use on a downhole tool including a rolling cutter member having a plurality of cutting structures thereon comprises a first plurality of bearings disposed between a head washer and an at least substantiall...
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WO/2017/143279A1 |
In some embodiments, bearing systems for downhole tools may include rolling bearing systems including a first plurality of bearings disposed between a head washer and an at least substantially planar shaft washer, and a second plurality ...
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WO/2017/139828A1 |
The present invention provides a drilling assembly (3) for insertion of a caisson or casing (1), said drilling assembly (3) having two or more expanding drill bits (4) which are adapted to be driven by a drilling or rotation motive devic...
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WO/2017/139717A1 |
A roller cone drill bit having at least one roller cone cutter, the roller cone cutter having multiple rows of cutting elements, arranged concentrically around the axis of rotation of the roller cone. One row of cutting elements is locat...
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WO/2017/136013A1 |
Soil displacement piles having a shaft and one or more soil displacement assemblies secured to the shaft are provided. If more than one soil displacement assembly is utilized, each soil displacement assembly is separated by a longitudina...
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WO/2017/134460A1 |
A reaming assembly (10) having an inner mandrel (12) including spiral lobes disposed on an outer surface thereof. The inner mandrel (12) is hollow and is sized large enough to freely pass a standard drill bit therethrough. The reaming as...
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WO/2017/132108A1 |
A method of fabricating a diamond compact includes functionalizing surfaces of diamond nanoparticles with fluorine; combining the functionalized diamond nanoparticles with a non-group-VIII metal to form a particle mixture; and subjecting...
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WO/2017/131969A1 |
A boring apparatus includes an upper member and a bit body configured to rotate relative to a pilot bit. A first end of the upper member is connected to a workstring. An inner cavity of the upper member includes a first radial cam surfac...
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WO/2017/132033A1 |
A cutter block includes a formation facing surface having a staged cutting profile and one or more stabilizer pads may be located between reaming portions. A shorter stabilizer pad or no stabilizer pad may be at the gauge of the cutter b...
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WO/2017/132052A1 |
A downhole cutting apparatus includes a cutter block. The cutter block includes a formation facing surface with cutting elements coupled thereto. The cutting elements are arranged such that at least one cutting element has a different ex...
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WO/2017/127659A1 |
A drill bit assembly includes a drill bit body, an insulating layer disposed on an end of the drill bit body and that defines a drill bit face and two electrodes formed such that they both extend from the drill bit face. The two electrod...
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WO/2017/127533A1 |
A tool for forming or servicing a wellbore includes a first body, a second body, and a retaining member located between a surface of the first body and a surface of the second body. The retaining member at least partially retains the sec...
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WO/2017/127354A1 |
An earth-boring tool includes a tool body, at least one cutting element, and a retaining member comprising a shape memory material (e.g., alloy, polymer, etc.) located between a surface of the tool body and a surface of the cutting eleme...
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WO/2017/127351A1 |
An earth-boring tool includes a body and an actuator coupled to the body. The actuator includes at least one shape memory material configured to transform from a first shape to a second shape to move a bearing element or a cutting elemen...
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WO/2017/126247A1 |
This excavation tool is configured in such a manner that: an air delivery pipe is inserted along the inner periphery of an excavation pipe having a front end at which a tool body is disposed; a water supply passage is provided along the ...
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WO/2017/127554A1 |
An electrical pulse cutting device is disclosed that in one non-limiting embodiment includes a pair of electrodes that generate electrical pulses inside an object to disintegrate a section of the object into cuttings, and at least one fl...
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WO/2017/127779A1 |
A rotary cutting tool having a tool body insertable into a drill string with a plurality of projecting or extendable cutter assemblies at positions distributed azimuthally around the longitudinal axis of the tool body. Each cutter assemb...
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WO/2017/127688A1 |
A drill bit includes a bit body and an internal plenum in the bit body. In addition, the drill bit includes a first flow passage extending from the internal plenum to a bit face. Still further, the drill bit includes a nozzle assembly se...
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WO/2017/127356A1 |
An earth-boring tool includes a tool body having an aperture therein defining a nozzle port, a nozzle or nozzle assembly disposed in the nozzle port, and a shape memory material disposed adjacent a surface of at least one component of th...
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WO/2017/127663A1 |
A downhole component including a first portion; a second portion; a controlled failure structure between the first portion and second portion. A method for improving efficiency in downhole components.
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WO/2017/123562A1 |
A cutting element includes a substrate that is axially symmetric about a central axis. The substrate has a radius perpendicular to the central axis and that extends from the central axis to an outer surface of the substrate. A super-hard...
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WO/2017/117651A1 |
A radial bearing for transmitting a radial load, including a first radial bearing component defining a first radial bearing surface and an orientable second radial bearing component defining a second radial bearing surface. At least a po...
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WO/2017/116660A1 |
PCD constructions as disclosed comprise a ultra-hard body attached with a metallic substrate along a substrate extending between the body and the substrate. The construction includes a protective feature or element that is configured to ...
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WO/2017/115276A1 |
The invention relates to a drill bit (100) able to improve performance of drilling machine. The drill bit (100) of the invention comprises a drill bit body (101) with a rear end (102) adapted to be connected to a drilling machine, and a ...
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WO/2017/116417A1 |
A method for generating a BHA design and component selection by creating a plurality of BHA configurations. A cost function, representative of each respective BHA configuration, is determined. Each cost function includes drilling process...
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WO/2017/115097A1 |
The invention relates to a drill bit (100) able to improve performance of drilling machine. 14. The drill bit (100) of the invention comprises a drill bit body (101) with a rear end (102) adapted to be connected to a drilling machine, an...
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WO/2017/113002A1 |
Various embodiments disclosed relate to bearing assembly for drilling a subterranean formation and methods of using the same. In various embodiments, the present invention provides a method of drilling a subterranean formation. The metho...
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WO/2017/116659A1 |
Polycrystalline diamond constructions comprise a diamond body attached with a substrate during high pressure/high temperature processing, and include a modified reaction zone interposed between the body and substrate that is engineered t...
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WO/2017/117126A1 |
An earth-boring tool includes a tool body configured to rotate in a wellbore and carrying at least one extendable element. The at least one extendable element is configured to move between a retracted position and an extended position pr...
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