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WO/2019/078822A1 |
The present disclosure provides downhole tools, methods for three dimensional printing hardfacing on such downhole tools, and systems for implementing such methods.
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WO/2019/079321A1 |
A sealing arrangement having inboard and outboard dynamic seals in a housing separated by a barrier fluid and having a sealed relationship with a relatively movable bearing-guided shaft. A bearing chamber having bearing lubricant exposed...
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WO/2019/073123A1 |
An arrangement and method for installing a casing. The arrangement (100) comprises a casing (1 ), a bar part (2) adapted rotatable inside the casing, the arrangement further comprising a borer (6) which comprises a blade part (15) to rel...
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WO/2019/072542A1 |
In a tool (01) for loosening soil, in particular for loosening a seabed, having an axle (02) and having an outer body (04) rotatably mounted on the axle (02) and forming, with the axle (02), an annular space (28) for receiving a lubrican...
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WO/2019/070639A1 |
A boring bit such as for horizontal directional drilling is provided which includes a hard faced layer that is preferably made by a laser cladding bead. The laser clad bead may be applied in some regions to a greater extent and in other ...
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WO/2019/070738A1 |
An earth-boring tool comprising a body having first cutting elements mounted to an axially leading face, the first cutting elements each having a cutting face exposed to a height above the face of the body, the cutting faces of the first...
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WO/2019/069054A1 |
Method and apparatus for removing a section of well tubing. The well tubing (24) is milled in an upward direction on a hydraulic tensioning device (14) which maintains a constant load on the section mill so that long sections of tubing c...
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WO/2019/069055A1 |
Apparatus (10) and method for removing a section of well tubing. A work string including a hydraulic tensioning device (14) and a section mill (12) are run in a rigless arrangement to provide continuous upward milling of the tubing (24) ...
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WO/2019/070705A1 |
An earth-boring tool comprising a body having first cutting elements mounted to an axially leading face, the first cutting elements each having a cutting face exposed to a height above the face of the body, the cutting faces of the first...
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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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