Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 9,325

Document Document Title
WO/2021/069657A1
A drilling assembly for percussive drilling, comprising at least two of a drill bit, a drill rod and a guide adapter; wherein the peripheral surface of the shoulder on the drill rod is at least partially encased in both radial and axial ...  
WO/2021/070057A1
A multifunctional drilling enhancement tool (200) includes a shaft (202) having a bore (201) extending along a longitudinal direction (X); a main cutting device (210) rotatably and slidably attached to the shaft (202); a first housing (2...  
WO/2021/072352A1
A reamer includes a housing, a first reamer block, and a second reamer block. The first reamer block includes a leading wall. A second reamer block includes a trailing wall, the trailing wall including a recess. The leading wall is inser...  
WO/2021/059034A1
A cutter for use with a drill bit includes: a substrate for mounting in a pocket of the drill bit and made from a cermet material; and a head made from a superhard material, mounted to the substrate, and having a chisel inclined relative...  
WO/2021/062443A1
A cutting element has a cutting face with a geometry including at least one protrusion spaced a radial distance apart from an edge of the cutting element, the edge extending around an entire periphery of the cutting face, and a lower por...  
WO/2020/216874A9
A drill bit (10) for drilling a bore, the drill bit comprising: a housing (28); a primary cutting structure (16); an activation member (30) arranged within the housing such that the activation member can move axially under an action of f...  
WO/2021/061142A1
Drill bit wear can be quantified through an analysis of chemical reactions that occur during drilling. A detector measures the molar composition of a dissolved gas sample. From the molar composition, the moles of hydrogen, ethylene, and ...  
WO/2021/058249A1
This disclosure relates to a cutting assembly (10) for a rock excavation machine. The cutting assembly comprises a base unit (12), one or more moveable support arms (14) extending from the base unit, a drive spindle (16) rotatably mounte...  
WO/2021/013838A3
The invention relates to a drill head for creating a substantially vertical borehole in the ground, comprising: a body, which can be connected to a rotational drive of a drilling device; drilling tools, which are arranged on the body, fo...  
WO/2021/047095A1
Disclosed is a construction method for continuous pile forming, the method comprising: a, arranging a pile casing assembly (12) of a drilling machine at the position of a pile hole; b, sinking a drill rod assembly (14) of the drilling ma...  
WO/2021/048648A1
A bit for drilling a wellbore includes: a shank having a coupling formed at an upper end thereof; a body removably attached to a lower end of the shank and having a blade receptacle formed therethrough; a blade fixed to the body; a plura...  
WO/2021/050432A1
A drill bit including a body having a face and a bit axis. The face includes a cone region disposed about the bit axis, a nose region disposed radially outward from the cone region, and a shoulder region disposed radially outward from th...  
WO/2021/046335A1
A downhole tool for use in a downhole drill string is provided. The downhole tool includes a rotor movably coupled within a stator, and a drive shaft movably coupled within a bearing housing. The drive shaft has a first end coupled with ...  
WO/2021/040529A1
A device for preventing torsion in a tool string from exceeding a predetermined threshold, wherein the device comprises: - an inner mandrel for transmitting torque between said inner mandrel and a first portion of the tool string, the in...  
WO/2021/038131A1
A drilling unit for drilling a hole, wherein the drilling unit comprising a drilling head (1). Said drilling head (1) further comprising pulling means (2) for pulling a casing (7) into the hole, a pilot bit (3) for drilling a center hole...  
WO/2021/041753A1
A cutting element may include a body, a concave cutting face formed at a first end of the body, the cutting face including one or more cutting ridges adjacent a cutting tip that are raised above the concavity of the cutting face and havi...  
WO/2021/034769A1
A rotary drill bitb (200A) for use with a horizontal directional drill string. A coupler (206) at a proximal axial end is configured to attach the rotary drill bit to a drill head at a distal end of the drill string. A cutting portion at...  
WO/2021/034923A1
A drill bit comprises a first and a second body received within the first body. Each of the first body and second body has a respective crown, each crown having an inner and an outer operative circumference. The outer operative circumfer...  
WO/2021/030700A1
Cutting elements for earth-boring tools may include a cutting table secured to a substrate. The cutting table may include a first region at least substantially free of an infiltrant, a second region comprising the infiltrant, and a passa...  
WO/2021/025699A1
The present disclosure provides and earth-boring drill bit including a bit head and a shank. The shank includes a blank and a mandrel. The mandrel is concurrently formed by and secured to the blank by additive manufacturing. The mandrel ...  
WO/2021/024512A1
The present invention suppresses a decrease in boring efficiency and reduces the cost of repolishing by way of suppressing the progress of wear width on the distal end of a tip body of a drilling tip. Provided is a drilling tip that is m...  
WO/2021/025700A1
The present disclosure relates to an earth-boring drill bit including a shank, an internal region formed from at least a first alloy using additive manufacturing and secured to the shank, and an exterior region formed from at least a sec...  
WO/2021/017798A1
Provided is a construction method for achieving large-diameter deep mixing on the basis of resistance reduction, belonging to the technical field of pile foundation construction, organically combining a resistance reduction material with...  
WO/2021/021796A1
A drill bit includes multiple cutting devices and a microelectronics unit. Each cutting device of the multiple cutting devices includes a cutting layer formed to cut a rock formation and a capacitive sensor disposed adjacent the cutting ...  
WO/2021/021806A1
Systems and methods include a computer-implemented method for manufacturing a binder for spraying onto tools. A binder is manufactured for binding compacts onto a tool substrate. The binder is designed to provide a coating strength on th...  
WO/2021/013838A2
The invention relates to a drill head for creating a substantially vertical borehole in the ground, comprising: a body, which can be connected to a rotational drive of a drilling device; drilling tools, which are arranged on the body, fo...  
WO/2021/006912A1
Provided are systems and methods for wellbore drilling and, more particularly, example embodiments may use of one or more cutting elements including a cutting face with one or more channels capable of steering chip cuttings into an inten...  
WO/2021/004909A1
The present invention relates to a drill bit (100) for percussion drilling comprising: a drill bit body (101) intended to extend along an axis A and comprising a front surface (105), said front surface comprises a first circular area (11...  
WO/2021/003536A1
A return exhaust assembly (50) for a reverse circulation hammer H comprises return tube (52) having first and second ends and a seat (56) at or near the first end (54). An exhaust sleeve (58) has: a section (60) seated and resiliently su...  
WO/2021/006800A1
The present invention relates to a method for estimating wear of a drill bit in percussive rock drilling, wherein a percussion device (106) is configured for generating shock waves in a drill bit (108) for breaking rock; the method compr...  
WO/2021/003242A1
A reamer for drill string pullback of a horizontal directional drill includes a shaft portion defining a central axis and a first end configured for attachment with a drill string of the horizontal directional drill. A plurality of vanes...  
WO/2020/261085A1
A bit for drilling a wellbore includes: a body; and a cutting face. The cutting face includes: an inner section and an outer section; a plurality of blades protruding from the body, and a row of superhard cutters mounted along each blade...  
WO/2020/257326A1
A downhole tool assembly for use in a wellbore includes a first casing section configured to be inserted into a borehole, a second casing section configured to be inserted into the borehole, and an earth-boring tool comprising at least o...  
WO/2020/249730A1
A downhole tool comprising: an outer housing; a flow path arranged to permit fluid flow through the downhole tool; a tool component at least partially located within the outer housing, the tool component being arranged to be movable from...  
WO/2020/249611A1
The present invention relates to a guide adapter (100) for guiding a drill bit during percusion drilling, said guide adapter is intended to be arranged between the drill bit and an elongated drill string extending along an axis A, said d...  
WO/2020/245223A1
A cutting element (30) includes a substrate (40) having a peripheral side edge, the peripheral side edge having an associated radius of curvature; and a body of superhard polycrystalline material bonded to the substrate along an interfac...  
WO/2020/245165A1
A cutting element (30) includes a substrate (40); and a body of superhard polycrystalline material (34) bonded to the substrate (40) along an interface, the body of superhard polycrystalline material having a peripheral side edge (42). T...  
WO/2020/243767A1
There is disclosed a device for boring holes in a ground surface comprising: a core barrel having a barrel top and an open barrel bottom, the barrel top having a shaft mounted thereto for engaging with a rotary power source for rotating ...  
WO/2020/239800A1
A composite product has a body of polycrystalline diamond (PCD) material having a PCD proximal end and a PCD distal end, an electronic device including an electronic component, and a connection portion joining the electronic device to th...  
WO/2020/239796A1
A sensor system has a cutter element for a cutting tool, an interrogation transceiver operable to transmit a radio-frequency (RF) interrogation signal; and a sensor transceiver system operable to receive the RF interrogation signal and t...  
WO/2020/243030A1
An apparatus is provided that includes a diamond bearing surface positioned in sliding engagement with an opposing bearing surface of a diamond reactive material. The opposing bearing surface is hardened via a material treatment.  
WO/2020/239799A1
A cutter assembly for a cutting tool has a super-hard volume of super-hard material having a proximal end and a distal end and including a cavity; and a cover member. The super- hard volume has a super-hard surface at the distal end incl...  
WO/2020/238206A1
Disclosed is a multi-impeller passive rotary stirring type open caisson rotary drill bit, mainly used for the drilling and pouring construction of the caisson in the middle tower of a bridge by the reverse circulation drill, comprising a...  
WO/2020/234635A1
An integrated drilling and reaming tool for extracting geological core samples for mining exploration is provided. The tool comprises a drilling component for drilling through rock, the drilling component comprising a tubular body having...  
WO/2020/234202A1
The invention relates to a drill head (1) for electro-pulse-boring. The drill head (1) comprises a high-voltage pulse generator enclosed in a hermetically sealed container (10) and a drill bit mechanically coupled to the container (10). ...  
WO/2020/235407A1
The present invention provides an auger bit that is mounted on an auger head and has improved drilling efficiency. The present invention is an auger bit 11 mounted on an auger head, wherein: the auger bit 11 comprises a base part 12 in...  
WO/2020/233127A1
Disclosed is an efficient rotary drilling drill bit device with combined drilling and stirring for a large-section open caisson. The rotary drilling drill bit device comprises a gear transmission box (10), a driving gear (11), driven gea...  
WO/2020/237046A1
A hybrid bit includes a fixed cutting structure and a rolling cutting structure. The fixed cutting structure includes a plurality of fixed cutting elements. The rolling cutting structure is coupled to the fixed cutting structure and incl...  
WO/2020/216874A1
A drill bit (10) for drilling a bore, the drill bit comprising: a housing (28); a primary cutting structure (16); an activation member (30) arranged within the housing such that the activation member can move axially under an action of f...  
WO/2020/212742A1
An example method for monitoring drilling includes releasing a wireless data retrieval device within a drill string in a wellbore, forcing fluid downhole through the drill string such that the data retrieval device travels in the fluid t...  

Matches 1 - 50 out of 9,325