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Patent Searching and Data


Matches 1 - 50 out of 8,727

Document Document Title
WO/2018/008645A1
A boring device for forming an increased-diameter section at the bottom of a mounting hole comprises: a shaft provided with a contact surface which is provided at the front end thereof and which comes into contact with the bottom of the ...  
WO/2018/009438A1
A method of forming a cutting element comprises disposing diamond particles in a container and disposing a metal powder on a side of the diamond particles. The diamond particles and the metal powder are sintered so as to form a polycryst...  
WO/2018/000781A1
Disclosed is an impregnated diamond drill bit having a double cutting structure. The impregnated diamond drill bit comprises an API connector (12), a drill body (11) connected to the API connector (12). A central channel (2), a plurality...  
WO/2017/223259A1
A roller reamer for downhole operations in boreholes, such as are drilled for oil and/or natural gas production, or as injection wells. An elongated main body has preferably three circumferentially spaced pockets. A roller assembly is pr...  
WO/2017/219097A1
A method and apparatus for obtaining a sample of soil using a sample collection means (31) which is placed flat on a selected ground area, the collection means (31) having an opening (33) to receive an upright tubular body (12) which is ...  
WO/2017/218975A1
A drill bit 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. The rolling eleme...  
WO/2017/216540A1
The invention relates to a reaming component (10; 110) for self-drilling hollow bars, used in ground engineering applications. The reaming component (10; 110) has a hollow tubular sleeve (1; 101 ) with a longitudinal axis, a number of ex...  
WO/2017/218000A1
A drill bit 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. The rolling eleme...  
WO/2017/213620A1
In some aspects, the present disclosure includes systems and methods for rotatably coupling a bottom-hole assembly to a drilling shaft for use in subterranean drilling operations. In one embodiment, the methods of the present disclosure ...  
WO/2017/205777A1
A cutting device for engaging a rock face includes a disc body supported for rotation about an axis of rotation, and a plurality of peripheral portions removably secured to the disc body. Each of the peripheral portions including a plura...  
WO/2017/205507A1
Earth-boring rotary drill bits include heel portions exhibiting reduced aggressiveness. Earth-boring rotary drill bits may comprise a bit body and a plurality of roller cones coupled to the bit body. Each roller cone comprises a pluralit...  
WO/2017/205672A1
A method of modifying surfaces of diamond particles comprises forming spinodal alloy coatings over discrete diamond particles, thermally treating the spinodal alloy coatings to form modified coatings each independently exhibiting a react...  
WO/2017/200552A1
A seal assembly includes a seal groove defined at least partially between a first member and a second member rotatable relative to the first member, an annular sealing element positioned in the seal groove and providing a mud surface, a ...  
WO/2017/200886A1
A piloted rock drill bit includes an integral body having a pilot drill section, a reaming section and a mounting base section extending along a longitudinal axis. The reaming section includes four wings extending from the longitudinal a...  
WO/2017/201020A1
Herein are provided tools and processes for extracting oil from subterranean formation. The processes can include lightening the oil in the formation prior to extraction by the addition of a nanogas solution. The tools include injectors ...  
WO/2017/192539A1
Improved drilling systems and methods may include piezoelectric actuator(s) in a drill string at one or more locations to minimize or eliminate stick-slip while drilling. For example, piezoelectric actuators may be incorporated into the ...  
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 ...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 1 - 50 out of 8,727