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WO/2016/032490A1 |
Downhole tools including at least one component made of a doped magnesium alloy solid solution that at least partially degrades in the presence of an electrolyte. The downhole tool is selected from the group consisting of a wellbore isol...
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WO/2016/032954A1 |
An apparatus for forming a wellbore in a subterranean formation includes a drill bit, a connector connected to the drill bit and configured to transmit torque and thrust to the drill bit, and a drilling motor energized by a pressurized f...
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WO/2016/030309A1 |
A rotary drill tool for cutting rock having at least one journal leg (105) mounting a spindle (200) and a respective rotary cone cutter (103). The spindle comprises a plurality of fluid distribution passageways (302, 400) to provide a su...
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WO/2016/027739A1 |
This excavation tool comprises: a casing pipe, a large-diameter ring bit disposed coaxially on a distal end side of the casing pipe, and a pilot bit inserted into the ring bit through the inside of the casing pipe. A bit head that expand...
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WO/2016/028160A1 |
A wireline- or umbilical-operated drilling unit (2) especially for forming a second borehole (12) sidetracked from an established first borehole (11) in an underground structure (1) and for reaming an established first or second borehole...
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WO/2016/026990A1 |
Drilling device that is characterized in that it comprises a cylindrical rod (1), the lower end (1a) of which is connected to the rotating motor of the machine and the upper end (1b) of which is connected to a guide tube; and a casing (2...
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WO/2016/027737A1 |
This excavation tool comprises: a casing pipe, a large-diameter ring bit disposed coaxially on a distal end side of the casing pipe, and a pilot bit inserted into the ring bit through the inside of the casing pipe. A bit head that expand...
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WO/2016/028662A1 |
Implementations of the present disclosure relate to apparatuses, systems, and methods for automated hardfacing of a surface. The automated hardfacing of a surface may include securing tiles of a superhard material on a surface, applying ...
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WO/2016/028788A1 |
Embodiments of the invention relate to methods of making articles having portions of polycrystalline diamond bonded to a surface of a substrate and polycrystalline diamond compacts made using the same. In an embodiment, a molding techniq...
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WO/2016/020964A1 |
Provided is a digging head which causes digging arms to swing so as to dig a pile hole, the digging head being configured such that the swing axes are offset, thereby allowing the weight of the digging arms to be reduced while enabling d...
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WO/2016/022105A1 |
The present disclosure relates to downhole tools containing bearings with cladding on their surfaces. The cladding contains a low dilution zone. In specific embodiments, the downhole tools may be roller cone drill bits, also sometimes re...
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WO/2016/022636A1 |
A mill includes a barrier to promote re-circulation of debris and cuttings to the face of the mill. The face of the mill may include cutting elements. A barrier may obstruct the flow of cuttings and debris away from the face to re-circul...
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WO/2016/018941A1 |
Embodiments of the invention generally relate to tunnel boring machine cutter assemblies, such as ripping and scraping cutter or tool assemblies, (collectively "cutter assemblies"), and related methods of use and manufacturing. The vario...
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WO/2016/019115A1 |
An earth-boring tool comprises a body having a face at a leading end thereof, blades extending from the body and comprising primary blades and secondary blades, and cutting elements on the blades and arranged in groups each comprising ne...
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WO/2016/018394A1 |
An Earth drill bit includes a bit body assembly and a plurality of separately movable cutting elements carried by the bit body assembly. The bit body assembly is arranged around a central bit body axis and includes a hydraulic circuit. T...
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WO/2016/018204A1 |
An example rolling cutter assembly includes a rolling cutter disposable within a cutter pocket defined in a drill bit, the cutter pocket including a receiving end, a bottom end, and a sidewall extending between the receiving and bottom e...
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WO/2016/018674A1 |
A tool with a hydraulic lock mechanism may include a body defining a flow tube and a chamber. An expandable member may be coupled to the body. A first valve may be located between the chamber and the flow tube to control the flow of flui...
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WO/2016/019032A1 |
A support assembly for a core drill uses an improved reinforcement. The reinforcement can include an extension extending between a center of the tool and a perimeter of the tool the extension can be a non-planar structure having a channe...
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WO/2016/018228A1 |
An example whipstock assembly includes a whipstock providing a ramped surface and a longitudinal groove defined in the ramped surface. A lead mill is coupled to the whipstock with a shear bolt and providing one or more blades, and a bear...
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WO/2016/014080A1 |
A downhole drilling tool may include a strain gauge inside a rolling-bearing element. For example, the downhole drilling tool may include a rolling-bearing element having an inner race, an outer race, and one or more bearings disposed be...
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WO/2016/014472A1 |
A reaming tool for enlarging an underground borehole has a plurality of cutter assemblies distributed azimuthally around a longitudinal axis of the tool. First, second and possibly more cutter assemblies each have an axially extending le...
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WO/2016/014449A1 |
A reamer for enlarging an underground borehole comprises a plurality of cutter assemblies distributed azimuthally around a longitudinal axis of the tool, and each cutter assembly comprises a supporting structure and a plurality of hard f...
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WO/2016/014448A1 |
A reaming tool for enlarging an underground borehole comprises a plurality of cutter assemblies (251, 252, 253) distributed azimuthally around a longitudinal axis of the tool, wherein each cutter assembly comprises support structure bear...
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WO/2016/014283A1 |
A reamer for enlarging an underground borehole comprises a plurality of cutter assemblies distributed azimuthally around a longitudinal axis of the tool. Each cutter assembly comprises a supporting structure and a plurality of hard faced...
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WO/2016/014903A1 |
A device and system for extracting equipment from a drillstring are disclosed. The system comprises an equipment extraction device having an anchor coupled to the equipment, a housing coupled to an uphole portion of the drillstring, and ...
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WO/2016/014490A1 |
A rotary cutting tool, which may be a reamer for enlarging an underground borehole or a mill to remove tubing by cutting into the inside wall of the tubing, has a plurality of cutter assemblies distributed azimuthally around a longitudin...
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WO/2016/014189A1 |
A cutting element includes, a body having two planes, each of the two planes defining a plurality of edges, and a support extending from a first of the two planes. The support and the body are configured such that when the cutting elemen...
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WO/2016/014477A1 |
A reaming tool for enlarging an underground borehole comprises a plurality of cutter assemblies distributed azimuthally around a longitudinal axis of the tool, wherein each cutter assembly includes a supporting structure bearing a sequen...
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WO/2016/012981A1 |
A slot reamer head arrangement comprising a substantially rectangular body from which three reaming heads extend in line is provided. In an embodiment, a central reaming head is fitted to a drill string extending from a drilling machine,...
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WO/2016/010511A1 |
An example mobile oilfield tool service center includes one or more intermodal containers, each intermodal container including a base, opposing sidewalls, opposing end walls, and a roof, and each intermodal container exhibiting a length,...
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WO/2016/007759A1 |
An earth-boring tool includes a cutting element having a first volume of polycrystalline material including catalyst material and a second volume free of catalyst material. A boundary between the first volume and the second volume is non...
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WO/2016/004954A1 |
A cutting tool (1) for widening the diameter of a borehole and method thereof is disclosed. The cutting tool (1) comprises a housing (2) having cavity (10) in which a moveable activation element (6) is arranged. The activation element (6...
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WO/2016/007840A1 |
Coring tools configured to procure core samples of earth formations may include a coring bit comprising a cutting structure configured to cut a core sample and an outer barrel connected to the coring bit. The outer barrel may be configur...
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WO/2016/003452A1 |
Zonal heating and cooling during the production of matrix drill bits may be achieved with a system that includes a cavity defined within a mold assembly having a central axis; reinforcing particles and a binder material disposed within t...
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WO/2016/002452A1 |
Provided is an excavation bit with which abrasion, attrition, and breakage of cutting edge tips can be inhibited, excavation-bit replacement time can be extended, and excavation speed can be increased. This excavation bit (10) is provide...
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WO/2016/001815A1 |
This invention relates to a downhole tool (100) package including a downhole tool comprising at least one pocket (106) for insertion of an insert (109) for reaming, cutting or stabilizing, each pocket being accessible from the external s...
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WO/2016/003464A1 |
Continuous fiber-reinforced hard composites may be useful in mitigating crack propagation in downhole tools. In some instances, a wellbore tool may be formed at least in part by a continuous fiber-reinforced hard composite portion that i...
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WO/2015/197703A1 |
A well casing or liner shoe (10) comprises a partially of fully openable central fluid channel (13) which is connected to at least one small width nozzle (46) and an additional large width fluid outlet (49), which is closed by a thin wal...
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WO/2015/195817A1 |
A drag bit includes a blade extending from the bit body and supporting inner cutters proximate the longitudinal axis and outer cutters spaced from the longitudinal axis. The inner cutters are rotationally offset from the outer cutters. D...
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WO/2015/195097A1 |
In accordance with some embodiments of the present disclosure, a method of designing a drill bit comprises determining placements on a drill bit for a plurality of cutting elements at a plurality of radial coordinates of the drill bit. T...
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WO/2015/195244A1 |
A drill bit that includes a bit body having one or more blades extending therefrom and a plurality of cutters secured to the one or more blades. One or more rolling elements are positioned on the bit body, each rolling element having a c...
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WO/2015/195127A1 |
Methods including providing an actual formation core sample; determining an internal anatomy of at least a portion of the actual formation core sample; determining a virtual 3D model of the external anatomy of the actual formation core s...
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WO/2015/195243A1 |
A drill bit includes a bit body having one or more blades extending therefrom and a plurality of cutters secured to the one or more blades. One or more rolling elements are positioned on the bit body, and each rolling element has a rotat...
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WO/2015/195855A1 |
A drill bit includes a bit head having a front face, a plurality of blades extending along at least a portion of the front face, the blades comprising cutters, a cavity for forming a core, the cavity being approximately centrally located...
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WO/2015/191889A1 |
A downhole tool is disclosed herein that has an inlet for receiving fluid into a housing of the downhole tool. The downhole tool further includes a vibratory apparatus at least partially disposed within the housing of the downhole tool, ...
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WO/2015/191028A1 |
A hybrid drill bit includes a bit body having a central bit body axis, a roller cone at an end of the bit body and rotatably coupled to the bit body about a roller cone axis, and a disc at the end of the bit body and rotatably coupled to...
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WO/2015/191021A1 |
A fluidic oscillator assembly can include at least one fluidic oscillator, and a closure that in one position prevents flow through the oscillator to an exterior of the assembly, and in another position permits flow through the oscillato...
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WO/2015/191040A1 |
A method of designing a drill bit is disclosed. The method includes determining a location of a bit coordinate system in a wellbore coordinate system and generating a bit profile based on an angular coordinate around a wellbore axis of a...
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WO/2015/191572A1 |
A downhole tool including a body coupled to a stabilizer and an underreamer. The stabilizer may include a blade that moves from a retracted position to an expanded position. The underreamer may include a cutter block that moves from a re...
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WO/2015/187280A1 |
A method for making a beaded matrix includes positioning two or more beads near one another. Accelerating the two or more beads toward one another; and impacting the two or more beads with one another so that electrons are shared between...
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