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WO/2024/083130A1 |
Disclosed in the present invention are a cooling-heating alternating raise-boring rock-breaking apparatus and a construction method. The apparatus comprises a pull rod and a cutter head. The cutter head comprises a basic drill bit body a...
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WO/2024/076351A1 |
Systems and methods of the present disclosure relate to signal attenuation for acoustic logging tools. An acoustic logging tool includes acoustic transducers. Each acoustic transducer includes a body, a piezoelectric element disposed on ...
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WO/2024/076762A1 |
Provided is a two-part drilling and running tool, a well system, and a method for forming a well system. The two-part drilling and running tool, in one aspect, includes a conveyance, a smaller assembly coupled to an end of the conveyance...
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WO/2024/068659A1 |
The invention relates to a drill assembly for excavating into a seafloor an annular cavity about a vertically orientated central core and having a predetermined depth. The drill assembly comprises a drill device with an annular drill bod...
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WO/2024/061887A1 |
A roller cutter for a raise boring tool comprising: a journal; a cutter shell positioned radially around a journal; wherein the journal comprises an external surface from which a journal end protrudes from; a seal retainer positioned bet...
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WO/2024/059269A1 |
Devices, systems, and methods for identifying, tracking, evaluating, and/or conditioning drill bits (e.g., rock drill bits). A computing device can be configured to receive and store data associated with the drill bit. The system can inc...
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WO/2024/057278A1 |
An earth boring rotary bit and method of manufacturing the same. The rotary bit (9) is intended for rotary drilling and comprises a bit body (11) having three uniform legs (12) and three uniform rolling cone cutters (13) rotatably mounte...
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WO/2024/057916A1 |
In this twin bit comprising a main bit and an auxiliary bit, the width of the blade edge of the main bit and the blade edge of the auxiliary bit and the angle of an excavation position can be adjusted by adjusting the blade edge position...
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WO/2024/054231A1 |
An earth-boring tool may include a tool body, at least one blade, and a rolling cutter pocket defined in the tool body adjacent the at least one blade. The earth-boring tool may further include a rolling cutter assembly disposed in the p...
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WO/2024/054252A1 |
A method for carrying out a thermochemical process includes injecting one or more feed streams into a reaction chamber. The reaction chamber is maintained at a reaction temperature using heat obtained directly from a subterranean heat so...
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WO/2024/050235A1 |
Metal matrix composite particle mixtures are disclosed comprising (a) primary tungsten metal particles; (b) metal carbide particles; (c) substantially spherical fused carbide particles; and (d) a binder. The present invention also provid...
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WO/2024/050454A1 |
An earth-boring tool includes at least one blade including at least one cutting element, at least one junk slot positioned adjacent the at least one blade, and a nozzle positioned in the at least one junk slot. The nozzle includes an out...
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WO/2024/042470A1 |
This invention relates to a lightweight drill (1) and more particularly, but not exclusively, to a lightweight hydraulic rock drill which makes use of a reciprocating hammer or chisel, used for making holes. The lightweight drill (1) com...
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WO/2024/044707A1 |
A modular fixed cutter drill bit for drilling an earthen formation has a central axis and a cutting direction of rotation about the central axis. The drill bit includes a bit body configured to rotate about the central axis in the cuttin...
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WO/2024/039772A1 |
A method and drilling system for forming an underground bore from a first location (112) to a second location (116). The method comprises drilling a pilot hole (PH) from the first location toward the second location using a pilot drill s...
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WO/2024/030728A1 |
A cutting element assembly includes a cutting element and a sleeve having a cutter-receiving aperture configured to receive at least a portion of the cutting element within the cutter-receiving aperture. The cutting element assembly may ...
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WO/2024/030819A1 |
Methods of forming a cutting element include sintering diamond particles at a temperature of at least about 1400ºC under a pressure of at least about 10 GPa in the absence of a metal solvent catalyst so as to form a polycrystalline diam...
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WO/2024/026154A1 |
A tool retainer is provided. The tool has a retainer sleeve having a longitudinal external tab to engage with an internal recessed radial groove with a tool holder, and wherein the retainer sleeve has one or more internal radial tabs tha...
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WO/2024/026289A1 |
A method of forming a cutting element includes providing a supporting substrate including a homogenized binder including Co, Al, C, and one or more of Ni and Re, depositing discrete diamond particles directly on the supporting substrate,...
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WO/2024/025567A1 |
A controllable downhole scraper includes a fluid reservoir having a pressure wall positioned and movable within the fluid reservoir defining a first portion of the fluid reservoir including a first fluid. The pressure wall exerts a force...
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WO/2024/020207A1 |
A drill bit includes a bit insert. A bit body of the bit includes an insert cavity. The bit insert is inserted into the insert cavity. The bit insert is secured to the insert cavity, such as by braze or with a connection mechanism. The b...
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WO/2024/011685A1 |
An easy-to-return type drill bit, relating to the technical field of drill bits, and comprising a brill bit body (1). The drill bit body (1) comprises a drill bit part (11), a connecting part (12), and a mounting part (13) which are sequ...
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WO/2024/000105A1 |
A blade component of a PDC drill bit and a PDC drill bit. The blade component comprises a blade (10) and a plurality of cutting teeth (20); the blade (10) is provided with a plurality of assembly holes (12); the cutting teeth (20) are as...
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WO/2023/246382A1 |
Provided in the present invention is a rapid assembly and automatic sampling drilling tool for frozen soil layer exploration, comprising a fixed flow divider, a flow guide pipe, a coring pipe and a drill bit. The fixed flow divider is co...
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WO/2023/242629A1 |
The present invention is generally related to an auger within an auger and or hollow shaft drill bit and a sub-surface injection system. An aspect of the present disclosure relates to a hollow shaft drill bit and a solid or hollow shaft ...
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WO/2023/240316A1 |
This invention relates a drill head (4) for use with a microtunneling apparatus (1) having a cutter bar (12) that is rotatable to produce swarf in a working zone. The drill head (4) includes a movable imaging device (46) that is adapted ...
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WO/2023/240317A1 |
This invention relates to a drill head (4) for use with a microtunneling apparatus (1) to produce swarf in a working zone (13) of a bore. The drill head (4) includes a cutter bar (12) having at least one spray outlet (41) which is adapte...
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WO/2023/240318A1 |
This application relates to a drill head (4) for use with microtunneling apparatus (1) having a cutter bar (12) at a distal end of a housing. The housing includes an annular body (25) which is adapted to be articulated by way of radially...
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WO/2023/240314A1 |
This invention relates to a drill head for the use with a microtunneling apparatus (1) for producing a substantially horizontal bore hole (8). The drill head (4) includes a cutter bar (12) that is rotatable within a working zone (13) of ...
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WO/2023/237960A1 |
Disclosed is a plunger mixer device deployable within a hollow shaft injection drill bit system. The plunger mixer device includes a motor, a piston, and a plunger motor assembly. The motor is connected to a feeder auger tip. The piston ...
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WO/2023/235939A1 |
This invention relates to a connector assembly (21) for use with a microtunneling apparatus (1) including a drill string (13) and a cutting head (6). The drill string (13) including a drive shaft (23) which is rotatable from a proximal e...
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WO/2023/225304A1 |
A cutter element for a fixed cutter drill bit (100) configured to drill a borehole (20) in a subterranean formation (90) includes a base (210) having a central axis, a first end (210a), a second end (210b), and a radially outer cylindric...
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WO/2023/217542A1 |
The invention relates to a chisel (10) that has a working portion (12), a shank portion (14), an impact surface (16), and a longitudinal axis (L) extending through the working portion (12), the shank portion (14) and the impact surface (...
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WO/2023/219781A1 |
A method of fabricating a drill bit is described. The method includes forming a mold with interior surfaces defining a mold cavity within the mold, the mold cavity having a shape corresponding to a shape of a body of the drill bit; formi...
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WO/2023/214118A1 |
Here is presented a drill bit (1) which includes a pilot bit (2) and a reamer. The pilot bit (2) includes a body (3) and a drilling surface (4). The drill bit (1) is arranged to provide a hole for a pipe to be installed in the ground. Th...
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WO/2023/197398A1 |
A multifunctional device for branch pile construction and a construction method for a branch pile. The multifunctional device comprises a central rotating shaft (1) and a power rotating shaft (2) which are coaxially arranged, and a rotat...
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WO/2023/198609A1 |
The present invention relates to a drill bit assembly (1) for a reverse circulation down- the-hole hammer (100). The assembly comprises a percussion bit (2) having a head portion (3) with a cutting face (5) at a forward end thereof with ...
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WO/2023/198568A1 |
A percussive drilling assembly (100) configured to form part of a drill string is disclosed. The drilling assembly comprises a top element (110) and a piston case (120), wherein the top element is configured to be connected to the piston...
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WO/2023/201113A1 |
Methods and apparatuses for boring a tunnel using electrocrushing end effectors. The end effectors can be extended from the apparatus into rock to excavate the tunnel, either individually, sequentially, or simultaneously. The end effecto...
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WO/2023/200584A1 |
A cutter element for a fixed cutter drill bit has a central axis and includes a cylindrical substrate and a cutting layer mounted to the substrate. The cutting layer includes a first end engaged with the substrate, a second end opposite ...
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WO/2023/183989A1 |
This invention relates to a reamer assembly (6) for enlarging a substantially horizontal pilot hole (14) in the ground to produce a bore hole (18), including a cutter (21) which is rotatable about an axis X-X. A gear box (20) is position...
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WO/2023/183988A1 |
This invention relates to drill string (32) for use with micro tunnelling apparatus (1) having a cutter (21) at a distal end of the drill string (32) and external drive mechanism (2) at a proximal end of the drill string (32). The drill ...
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WO/2023/183991A1 |
This invention relates to a drill string (32) for use with micro tunnelling apparatus (1) having a cutter (21) at a distal end of the drill string (32) and external drive mechanism (2) at a proximal end of the drill string (32). The dril...
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WO/2023/177453A1 |
A superabrasive compact and a method of making the superabrasive compact are disclosed. A superabrasive compact may comprise a diamond table and a substrate. The diamond table may be attached to the substrate. The diamond table may inclu...
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WO/2023/174443A1 |
A seal for a roller cone bit and a roller cone bit using said seal, the seal comprising: an inner sealing portion (10), an outer sealing portion (20), and provided between the inner sealing portion (10) and the outer sealing portion (20)...
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WO/2023/172401A1 |
At least one embodiment of a polycrystalline diamond element that may be used in machining various material includes a polycrystalline diamond body having a plurality of bonded diamond grain defining a plurality of interstitial regions, ...
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WO/2023/166115A1 |
A rock drill bit for percussive drilling comprising a bit head; a shank; a central flushing channel; at least one flushing port for delivering flushing media to the face of the bit head via a flushing hole; wherein at least one of the fl...
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WO/2023/166113A1 |
A cemented carbide insert for mining or rock cutting applications comprising an at least partially flat base and a working tip portion; characterized in that: the insert further comprises at least one identification (ID) marker encoded w...
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WO/2023/165592A1 |
The present invention relates to a multi-cutting-edge diamond compact, comprising a cylindrical hard alloy matrix (102) and a diamond compact layer (101). The diamond compact layer (101) is provided at the top end of the hard alloy matri...
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WO/2023/165609A1 |
The present disclosure provides an impact-resistant multi-cutting-edge diamond compact, comprising a cylindrical cemented carbide substrate (102) and a diamond composite layer (101), the diamond composite layer being disposed at the top ...
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