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WO/2017/116659A1 |
Polycrystalline diamond constructions comprise a diamond body attached with a substrate during high pressure/high temperature processing, and include a modified reaction zone interposed between the body and substrate that is engineered t...
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WO/2017/117126A1 |
An earth-boring tool includes a tool body configured to rotate in a wellbore and carrying at least one extendable element. The at least one extendable element is configured to move between a retracted position and an extended position pr...
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WO/2017/116001A1 |
The present invention relates to a head-enhanced drill bit for improving durability by enhancing a head, and can comprise: a bit body having a tip excavating surface formed on a front end thereof; and a forward and backward moving body a...
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WO/2017/114678A1 |
A super hard construction comprises a substrate comprising a peripheral surface, an interface surface and a longitudinal axis extending in a plane and a super hard material layer formed over the substrate and having an exposed outer surf...
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WO/2017/109510A1 |
The invention provides a downhole apparatus (50) and method of use. The apparatus comprises a plurality of elements (60) assembled together to form a ring structure oriented in a plane around a longitudinal axis and a drive mechanism for...
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WO/2017/102417A1 |
A production method for a drill having a helix 3 has the following steps of: cold forming of a rod-shaped blank 29 to form a semifinished product 30 having three or more rectilinear longitudinal ribs 31 extending along a longitudinal axi...
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WO/2017/106373A1 |
A cutting device for use in a drill bit has a body including an ultrahard material. The body has a top surface, a front surface, and at least one lateral surface adjacent the top surface. The lateral surface is oriented at a surface angl...
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WO/2017/105805A1 |
A downhole cutting tool that includes a tool body, at least one blade extending from the tool body, the at least one blade having a cutting face, a trailing face, and a top face extending between the cutting face and trailing face, a plu...
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WO/2017/106344A1 |
A self-adjusting earth-boring tool includes a body carrying cutting elements and an actuation device disposed at least partially within the body. The actuation device may include a first fluid chamber, a second fluid chamber, a first rec...
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WO/2017/105804A1 |
A cutting element may include: a substrate; and an ultrahard layer on the substrate, the ultrahard layer having a non-planar working surface, the non-planar working surface being formed from a first region and a second region, the first ...
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WO/2017/106605A1 |
Earth-boring tools may include a body and a passively adjustable, aggressiveness-modifying member secured to the body. The passively adjustable, aggressiveness-modifying member may be movable between a first position in which the earth-b...
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WO/2017/106488A1 |
A cutting element comprises a cutting table of a polycrystalline hard material including a cutting face, a sidewall, and at least one peripheral cutting edge portion between the cutting face and the sidewall. A radius of curvature of the...
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WO/2017/106374A1 |
A cutting assembly for use in a drill bit has an ovoid insert including an ultrahard material. The ovoid insert is cast in a matrix such that the matrix surrounds at least part of the ovoid insert, limiting movement of the ovoid insert. ...
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WO/2017/105806A1 |
A downhole cutting tool that includes a tool body having a tool axis, at least one blade extending from the tool body including a cutting face, a trailing face, and a top face extending between the cutting face and the trailing face, a f...
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WO/2017/103126A1 |
The invention relates to a technique for subsurface prospection by means of a drilling head system (10) having an integrated acoustic source (101, 102, 103) and an arm (20) which is equipped with electrodynamic detectors (201). The drill...
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WO/2017/106388A1 |
A cutting bit includes a body, a plurality of blades, and at least one ultrahard insert cast directly into at least one of the plurality of blades. The ultrahard insert is positioned with a rear face directly contacting the blade.
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WO/2017/097188A1 |
A tricone drill bit having reinforced cone cover protection comprises: cones (1) and cone legs (2). A plurality of rows of hard alloy teeth are set on a cover of each of the cones (1) from a bottom to a top thereof, and comprises in sequ...
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WO/2017/100733A1 |
Hardfacing material compositions comprise a plurality of hard material phases dispersed in a continuous metallic alloy binder phase, wherein the hard material phase comprises sintered carbide pellets and other carbide materials, wherein ...
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WO/2017/100734A1 |
Cutting elements and hardfacing materials as disclosed herein are in the form of a milled tooth having an uppermost first surface or crest and remaining surfaces such as flank surfaces and end surfaces extending downwardly away from cres...
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WO/2017/095714A1 |
A cutting element may include a substrate; and an ultrahard layer on the substrate, the substrate and the ultrahard layer defining a non-planar working surface of the cutting element such that the ultrahard layer forms a cutting portion ...
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WO/2017/096180A1 |
An earth boring bit (12) has rotary cutters (20) with tungsten carbide inserts (32) embedded in milled steel teeth (34). The teeth (34) and grooves (84) are first milled into the cutters (20), with the grooves (84) extending between base...
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WO/2017/095715A1 |
A cutting element includes a pointed region having a side surface extending from a pointed region outer perimeter to a peak, an ultrahard material body forming a portion of the pointed region including the peak, and a base region extendi...
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WO/2017/089647A1 |
The invention relates to a method in down-the-hole drilling and a down-the-hole drilling device, being meant for drilling a hole with and a casing pipe (2). The drilling device comprises in its drilling head (I) : a drilling arrangement ...
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WO/2017/091241A1 |
A roller reamer having an elongate tubular body with a first end adapted to be connected in a drill string and a second end adapted to be connected in a drill string. There are a plurality of circumferentlally spaced pockets formed in th...
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WO/2017/087111A1 |
A mill for milling a casing in a wellbore is disclosed that in one non-limiting embodiment includes a plurality of radially extendable cutting members on a body, an activation device that extends the cutting members radially outward from...
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WO/2017/087920A1 |
A downhole cutting tool includes a body having a central axis extending therethrough, a plurality of blades extending outwardly from the body and converging towards a central region around the central axis, and at least one cutting eleme...
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WO/2017/087781A1 |
A wear-resistant drilling tool having an infiltrated body and a plurality of button elements. The infiltrated body includes a matrix and a binder that secures hard particulate material and diamond particles of the matrix together. The in...
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WO/2017/079801A1 |
A connection device for a core drilling assembly is disclosed, the connection device connectible between a head assembly of a core drilling assembly and an inner tube of the core drilling assembly. The connection device comprises a first...
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WO/2017/081649A1 |
This invention concerns a cutting element (10) comprising a polycrystalline diamond (PCD) body (12) having a working surface (20), a flank (18) and a cutting edge (22). The cutting edge is defined as the interface between an operatively ...
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WO/2017/083369A1 |
Systems and methods discussed herein are related to a coating for a diamond table for a cutting element that may be used in downhole tooling. The coating is employed to fill a plurality of voids left by the manufacturing process that com...
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WO/2017/079554A1 |
The present disclosure provides helical ground anchors or piles designed to cut through rock. The helical ground anchors have a shaft, one or more helical plates attached to the shaft and at least one cutting tip attached to the distal e...
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WO/2017/076875A1 |
The invention relates to a hard metal insert (2) for a rock drill (1), which is designed as a spiral drill operating without percussion, comprising a cylindrical drill head (11) and a working end (13) comprising the hard metal insert (2)...
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WO/2017/078311A1 |
The present invention relates to an excavation bit, and the excavation bit may comprise: a bit head part that has a pointed end excavation surface formed thereon, a plurality of stopper accommodating grooves having equal angles disposed ...
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WO/2017/075117A1 |
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 in rows that may extend at an angle across a width of the...
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WO/2017/075556A1 |
A downhole apparatus for cutting casing and rock when radial drilling defined by a cutting head that includes three or more cutting edges positioned around the cutting head's axis of rotation, at least three of the cutting edges in conti...
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WO/2017/070993A1 |
Disclosed is an alloy drill. Components of the alloy drill are: 14-30 wt% of a binder phase being one or more of Co, Ni, Fe, and Cu; 0.32-9.7 wt% of an additive being one or more of TaC, MoC, Cr3C2, and MnC; and the remainder as a hard p...
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WO/2017/057716A1 |
An annular ring bit (9) is removably mounted on the outer circumference of a pilot bit (1) that rotates about an axis (O) and receives an impact force toward the distal end side in the direction of the axis (O), and the ring bit freely r...
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WO/2017/058582A1 |
A cutting insert for milling wellbore casing in a downhole environment includes a body having a cutting face and a chip-breaking face. The cutting face and chip-breaking face are oriented at a face angle relative to each other, the face ...
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WO/2017/058430A1 |
A downhole cutting tool includes a tool body defining a cutter pocket and a rolling cutter having an inner rotatable cutting element and a sleeve in the cutter pocket, where axial movement of the inner rotatable cutting element is limite...
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WO/2017/058236A1 |
Bonding polycrystalline diamond compacts to hard composite substrates to produce polycrystalline diamond compact (PDC) cutters may be achieved with a partial transient liquid-phase (PTLP) bonding method that uses lower temperatures than ...
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WO/2017/058235A1 |
Bonding polycrystalline diamond compact (PDC) cutters to metal matrix composite (MMC) drill bits may be achieved with a partial transient liquid-phase (PTLP) bonding method that uses lower temperatures than comparable brazing methods. Fo...
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WO/2017/058911A1 |
A cutting element for an earth boring tool includes a substrate and a volume of superabrasive material disposed on a substrate. The volume of superabrasive material has a non-planar geometry. The at least one cutting element is configure...
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WO/2017/058581A1 |
A cutting element includes a cutting end extending a depth from a cutting face to an interface surface opposite from the cutting face, and a spindle, the spindle axially separated from the cutting end by a transition region. The spindle ...
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WO/2017/053475A1 |
A drill bit with individually-balanced cutting elements. The working surface of the cutters includes a balancing feature, such as an elongate ridge, and a balancing line that extends along the length of the feature, and through the cente...
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WO/2017/053151A1 |
An apparatus for cutting and/or milling of tubulars in a wellbore, especially using coiled tubing. An elongated main body has a longitudinal bore, with a piston slidably positioned in the bore. The piston is connected to one or more oper...
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WO/2017/053332A1 |
A method can include pressing a blend of materials where the materials include a non-degradable material that is not degradable in an aqueous environment and an aqueous degradable alloy material; and forming a degradable grip from the pr...
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WO/2017/052504A1 |
A reinforcing metal blank may be used to form metal matrix composite (MMC) drill bits. For example, an MMC drill bit may include a shank attached to a reinforcing metal blank that extends into a bit body comprising a metal matrix composi...
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WO/2017/052512A1 |
A metal matrix composite tool includes a body having hard composite portion that includes reinforcing particles dispersed in a binder material. At least some of the reinforcing particles comprise a monolithic particle structure including...
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WO/2017/052509A1 |
A metal matrix composite (MMC) may be formed with two or more portions each having different reinforcing particles that enhance strength, wear resistance, or both of their respective portions of the MMC. Selective placement of the differ...
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WO/2017/053282A2 |
A hardfacing disposable on a surface of a component, such as a wellsite component, is disclosed. The hardfacing includes a surface portion and a bottom portion with a segregation line defined therebetween. The surface portion and the bot...
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