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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...
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WO/2019/067998A1 |
A drill bit comprises a bit body having a longitudinal axis and a blade extending radially outward from the longitudinal axis along a face region and axially along a gauge region. A gauge region includes a gauge feature and first and sec...
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WO/2019/068000A1 |
A drill bit comprises a bit body having a longitudinal axis and a blade extending radially outward from the longitudinal axis along a face region and axially along a gauge region. A gauge region includes a cutting element located proxima...
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WO/2019/045716A1 |
A method includes extending a wellbore using a drill bit that forms a portion of a bottom hole assembly; enlarging a diameter of the wellbore using a reamer of the assembly; and laterally offsetting either a rotary steerable tool or a mu...
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WO/2019/045718A1 |
A method for constructing a wellbore includes drilling a wellbore along a trajectory using a bit; reaming the diameter of a portion of the drilled wellbore to enlarge a portion of the wellbore; and altering the trajectory of the bit by a...
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WO/2019/046590A1 |
A polycrystalline diamond compact (PDC) cutting element includes a substrate and a polycrystalline diamond compact. The substrate comprises a ceramic-metal composite material including hard ceramic particles in a metal matrix. The poly c...
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WO/2019/038535A1 |
A section mill (10) and method of removing a section of tubular (150) from a well. The section mill includes elongate blades (14) which have a cutting structure (66) extending along at least a portion of a length from a first edge (62) a...
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WO/2019/039926A1 |
The invention relates to the mining industry, in particular to mechanical rotary boring tools, and can be used for boring wells in the ore-mining, oil and gas industries. A combined drill/mill boring tool comprises cutting elements which...
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WO/2019/035829A1 |
A system for fabricating an infiltrated downhole tool for introduction into a wellbore includes a mold assembly including a binder bowl, a mold, a preformed blank, and a funnel. The binder bowl has a lower portion and a plurality of aper...
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WO/2019/035838A1 |
A drill bit can include a bit body having an upper portion, a central bore, and an adjustable inner gauge. The central bore can define a bore surface, and the bit body can include a plurality of fixed cutters formed on the upper portion....
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WO/2019/027591A1 |
A system and method for adjusting or controlling at least one milling operating feature of a cutting mill assembly within a wellbore includes sensing at least one milling operating parameter with a sensor that is operably associated with...
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WO/2019/027479A1 |
Drill bit designs can allow a well operator to modify drill bit characteristics downhole in real time to facilitate monobore drilling. An exemplary drill bit can include a bit head, an adjustable cutter blade on a side of the bit head, a...
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WO/2019/028134A1 |
An earth-boring tool for drilling a subterranean formation includes a tool body having a central axis and a cavity extending into the tool body from an outer surface thereof. A bearing element assembly may be mounted within the cavity. T...
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WO/2019/023310A1 |
A rotatable cutter may comprise a rotatable element, a stationary element, and a releasable interface. The releasable interface may be configured to substantially inhibit rotation of the rotatable element when the rotatable element and t...
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WO/2019/023377A1 |
An earth-boring tool includes a movable component and an additive manufacturing formed flow control device in fluid communication with the movable component and configured to control a flowrate of the hydraulic fluid through the additive...
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WO/2019/023109A1 |
An earth-boring tool includes a body, blades extending longitudinally and generally radially from the body, and primary cutting elements located on each blade. The earth-boring tool may include a group of at least two adjacent blades com...
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WO/2019/023163A1 |
An earth-boring tool comprising a bit-body, a blade, and a cutting element assembly. The cutting element assembly comprising a journal, a rotatable cutting element, and a retention element. The journal defines an upper cylindrical exteri...
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WO/2019/021042A1 |
Hole enlargement procedure and apparatus for the implementation thereof The subject of the invention is the procedure for the enlargement of a hole drilled into the ground, during the preparatory phase of which a drill pipe, driven throu...
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WO/2019/018927A1 |
A drilling system having retractable wings and method of using same. The system includes at least one wing, which can extend from the system once it engages in a casing and abuts against an abutment ring at the bottom end of the casing. ...
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WO/2019/022581A1 |
The present invention relates to an apparatus for drilling a hole in the ground and a ground reinforcing method and, more specifically, to an improved hole drilling apparatus using screw casings and an earth anchor method using same, in ...
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WO/2019/023298A1 |
A rotatable element for an earth-boring tool in a subterranean borehole includes a rotatable element and a stationary element. The rotatable element and stationary element include a seal arrangement between the rotatable element and the ...
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WO/2019/023190A1 |
A cutting element assembly includes a sleeve, a rotatable cutting element disposed within the sleeve, and a retention element. The sleeve and rotatable cutting element each have frustoconical surfaces. In some embodiments, a rotatable cu...
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WO/2019/022971A1 |
The present disclosure relates to fixed-cutter drill bits with track-set primary cutters and backup cutters, methods of designing such bits, systems for implementing such methods, and systems for using such fixed-cutter drill bits to dri...
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WO/2019/020545A1 |
A super-hard tip for a super-hard bit comprises a super-hard volume (102) and a substrate (112). The super-hard volume is sinter-joined to a distal end of the substrate at a join boundary (105), opposite a proximal end of the substrate c...
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WO/2019/023352A1 |
Rotatable cutting elements for earth-boring tools may include a substrate and a polycrystalline, superabrasive material secured to an end of the substrate. A sleeve may be sized and shaped to circumferentially surround at least a portion...
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WO/2019/020325A1 |
A rock bit for blast hole drilling includes: a body having a coupling formed at an upper end thereof and a plurality of lower legs, each leg having a top base, an upper shoulder, a mid shirttail, a lower bearing shaft, a leading side, a ...
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WO/2019/023365A1 |
A cutter assembly, which may include a rotatable cutting element disposable within a pocket of an earth-boring tool, a sleeve configured to receive the rotatable cutting element, and at least one retention mechanism configured to secure ...
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WO/2019/023306A1 |
Rotatable elements for use with earth-boring tools include a movable element and a stationary element. The movable element and stationary element include an index positioning feature that is configured to rotate the movable element as th...
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WO/2019/023485A1 |
Earth-boring tools may include a body including blades projecting therefrom, an axis of rotation, and cutting elements secured to the blades. A profile of the cutting elements intersecting outermost points of cutting faces of the cutting...
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WO/2019/023370A1 |
A cutting element assembly includes a rotatable cutting element, a sleeve having a cutter receiving aperture extending at least partially through the sleeve and configured to receive at least a portion of the rotatable cutting element wi...
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WO/2019/016230A1 |
The present invention relates to a drill bit assembly for fluid-operated percussion drill tools. The assembly comprises a percussion bit (2) comprising a bit head (3) detachably connected to an axially extending shank (4) and engagement ...
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WO/2019/016190A1 |
A polycrystalline diamond (PCD) composite compact element has a body of polycrystalline diamond material and a cemented carbide substrate bonded to the body of polycrystalline material along an interface. The cemented carbide substrate h...
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WO/2019/013645A1 |
A tool for use in a borehole to perform a milling, under reaming, or other cutting operation. The tool comprises a tool body configured for rotation about its longitudinal axis, within the borehole, and a set of cutters, the set comprisi...
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WO/2019/010283A1 |
An earth-boring tool comprises a bit body and first and second depth of cut control ("DOCC") features mounted thereon. The first and second DOCC features comprise a first rubbing surface having a first surface area and a second rubbing s...
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WO/2019/009921A1 |
A method for bit-rock interaction modeling includes selecting a parameter for a drill bit model. The parameter includes a geometrical factor of a cutter represented in the drill bit model. The method further includes dynamically adjustin...
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WO/2019/002002A1 |
The invention relates to a system (10) for drilling a vertical well in the ground (S) along a substantially vertical theoretical drilling trajectory, comprising a drilling device (30) comprising a hollow core (32) having a longitudinal a...
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WO/2019/002436A1 |
A rotary steerable drill string (16) employs a drill bit (10) selected to positively contribute to underpressure in a preselected azimuthal segment of the borehole relative to an opposing azimuthal section. Generally, a high flow velocit...
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WO/2018/236373A1 |
Methods for simulating a downhole drilling operation include estimating the geometry, i.e., the shape, size of cuttings or rock chips generated by engagement of a drill bit with a geologic formation. Each cutting element on the drill bit...
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WO/2018/236268A1 |
The present disclosure relates to a grinding machine (9) for grinding rock drill bit buttons, the machine comprising a grinding arrangement with rotatable grinding spindle (25), a free end of which is configured to drive and to replaceab...
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WO/2018/231240A1 |
A drill bit includes a bit body having cutters and a generally cylindrical rolling element secured thereon. The rolling element protrudes from the bit body to engage a geologic formation. The location and orientation of the rolling eleme...
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WO/2018/231343A1 |
A cutter for a drill bit includes: a substrate for mounting the cutter to the drill bit; and a cutting table. The cutting table: is made from a superhard material, is mounted to the substrate, has an interface with the substrate at a low...
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WO/2018/226286A1 |
A blend including 50% to 95% reinforcing particles by weight, and 5% to 50% filler particles by weight, of the blend, wherein the reinforcing particles have mean particle size within 70% or less of the mean particle size of the filler pa...
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WO/2018/226319A1 |
A roller-mill bit for use in a wellbore includes: a body having a coupling formed at an upper end thereof and a plurality of lower legs; a plurality of roller disks, each roller disk secured to a bearing shaft of a respective leg for rot...
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WO/2018/226208A1 |
A cutting element for a drill bit can include a first layer of polycrystalline diamond, a second layer of polycrystalline diamond, wherein a boundary between the first layer and the second layer is nonplanar, and a substrate. The first a...
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WO/2018/226380A1 |
Bearing assemblies that include a plurality of polycrystalline diamond ("PCD") bearing elements, bearing apparatuses including such bearing assemblies, and methods of operating and fabricating such bearing assemblies and apparatuses are ...
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WO/2018/222436A1 |
A downhole tool includes a blade coupled to a body. The body and blade rotate about a longitudinal axis. A pre-formed faceplate is connected to the blade and partially defines a cutter pocket therein. Another portion of the cutter pocket...
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WO/2018/218900A1 |
Disclosed is an anchor-bolt hole interior reamer used for mining. Said reamer comprises a reaming cutter, a sleeve (1), a push-pull rod (2), a drilling-rig connecting shaft (3), and a manual hydraulic jack (4); the push-pull rod (2) is c...
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WO/2018/222608A1 |
An earth-boring bit includes a bit body threaded at its upper extent for connection to a drill string and a plurality of blades on the bit body, each blade having a leading edge and a trailing edge. A plurality of cutting elements is arr...
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WO/2018/213941A1 |
A full-casing drilling tool (3), comprising an elevator (1) of which one end is connected to a drilling rig steel wire rope, and the other end is connected to a supporting rod (2). The other end of the supporting rod (2) is fixed to a pr...
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WO/2018/217093A1 |
A device and a method for attaching a drill body (8) to a tubular slot drill (1) which is arranged to drill in the ground (4), the slot drill (1) being provided, at its lower end portion (10), with at least one drill body (8) detachable ...
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