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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hall; David R.
Address:
Provo, UT
No. of patents:
368
Patents:


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Patent Number Title Of Patent Date Issued
D620510 Drill bit July 27, 2010
D581952 Pick December 2, 2008
D566137 Pick bolster April 8, 2008
D554162 Diamond enhanced cutting element October 30, 2007
8573331 Roof mining drill bit November 5, 2013
In one aspect of the invention a rotary mine roof drilling apparatus has an arm attached to and intermediate a drill bit and a platform. The apparatus also has a thrusting mechanism adapted to push the drill bit into a mine roof. The drill bit has a bit body intermediate a shank and a
8567532 Cutting element attached to downhole fixed bladed bit at a positive rake angle October 29, 2013
A downhole fixed bladed bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of the bit, at least on blade comprising a cutting element comprising a superhard material bonded to a cemented metal c
8299795 Independently excitable resistivity units October 30, 2012
A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver is spaced apart fr
8297378 Turbine driven hammer that oscillates at a constant frequency October 30, 2012
A hammer assembly comprises a jack element substantially coaxial with an axis of rotation of a drill bit. The jack element includes a distal end extending beyond a working face of the drill bit. A porting mechanism within the bore comprises a first and second disc substantially conta
8297375 Downhole turbine October 30, 2012
In one aspect of the present invention, a drill bit has a jack element that is substantially coaxial with an axis of rotation of the drill bit and the jack element has an asymmetrical distal end that extends beyond a working face of the drill bit. A turbine is located within a bore forme
8292372 Retention for holder shank October 23, 2012
In one aspect of the present invention, a degradation assembly has a holder comprising a first end and a second end and a shank with a longitudinal central bore having an opening at an end proximate the second end. The shank portion of the holder has an inside diameter of the bore an
8281882 Jack element for a drill bit October 9, 2012
A drill bit has an axis of rotation and a working face with a plurality of blades extending outwardly from a bit body. The blades form, in part, an inverted conical region, and a plurality of cutters with a cutting surface is arrayed along the blades. A jack element is coaxial with the
8281880 Expandable tool for an earth boring system October 9, 2012
In one aspect of the present invention an expandable tool for an earth boring system comprises a mandrel comprising a tubular body and an outer diameter, a plurality of blades disposed about the outer diameter, and a slidable sleeve positioned around the outer diameter and capable of
8267482 Foam configured to suppress dust on a surface to be worked September 18, 2012
In one aspect of the invention, a system for removing aggregate from a natural or man-made surface includes a vehicle with a frame and a conveyor. The conveyor has an intake end and an output end. An excavation drum is connected to an underside of the frame and is enclosed within an
8267196 Flow guide actuation September 18, 2012
In one aspect of the present invention, a downhole drill string assembly comprises a bore there through to receive drilling fluid. A turbine may be disposed within the bore and exposed to the drilling fluid. At least one flow guide may be disposed within the bore and exposed to the d
8264369 Intelligent electrical power distribution system September 11, 2012
A downhole tool assembly with electrical connectors disposed proximate an upper end and a lower end of the tool intelligently distributes electrical power. Switches are disposed between the electrical connectors and selectively allow or disallow electrical continuity between the elec
8262168 Multiple milling drums secured to the underside of a single milling machine September 11, 2012
In one aspect of the present invention, a motorized vehicle comprises a vehicle frame. The vehicle frame comprises translatable elements. The frame comprises a forward end and a rearward end. The invention comprises of a first rotary degradation drum that is connected to the underside of
8261480 Rigid composite structure with a superhard interior surface September 11, 2012
A rigid composite structure has a bore formed in a metallic material and a super hard interior segment or segments disposed within the bore. Each segment may be lined adjacent to one another and held under compression within the bore. The segments may be made of super hard materials such
8261471 Continuously adjusting resultant force in an excavating assembly September 11, 2012
In one aspect of the present invention, a method of excavation with pointed cutting elements, comprising the steps of providing a excavating assembly with at least one pointed cutting element, the pointed cutting element comprising a rounded apex that intersects a central axis, the p
8256847 Rotational milling chamber September 4, 2012
In one aspect of the invention, a system for exchanging a milling chamber comprises a vehicle comprising a milling chamber supported by the underside of the vehicle. The underside comprises a track that interfaces with a guide of the milling chamber. The track and guide are configured
8250786 Measuring mechanism in a bore hole of a pointed cutting element August 28, 2012
In one aspect of the present invention, a method of excavation with pointed cutting elements, comprising the steps of providing a excavating assembly with at least one pointed cutting element, the pointed cutting element comprising a rounded apex that intersects a central axis, the p
8240404 Roof bolt bit August 14, 2012
In one aspect of the present invention, a roof bolt drill bit for use in underground mines comprises a bit body with a shank adapted for attachment to a driving mechanism. A working face disposed opposite the shank comprises a plurality of polycrystalline diamond cutting elements. Ca
8237584 Changing communication priorities for downhole LWD/MWD applications August 7, 2012
In one aspect of the present invention, a method for tool string communication comprises the steps of providing a downhole tool string with at least two downhole LWD/MWD instruments in electrical communication with a downhole telemetry system. The instruments are capable of generatin
8225883 Downhole percussive tool with alternating pressure differentials July 24, 2012
A downhole percussive tool is disclosed comprising an interior chamber and a piston element slidably sitting within the interior chamber forming two pressure chambers on either side. The piston element may slide back and forth within the interior chamber as drilling fluid is channeled in
8215420 Thermally stable pointed diamond with increased impact resistance July 10, 2012
An insert comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate. The diamond body comprises a substantially conical shape with conical side wall terminating at an apex. The diamond body comprises a first region with a metallic catalyst dispers
8205688 Lead the bit rotary steerable system June 26, 2012
In one aspect of the invention a tool string steerable system has a drill bit body with a working face. An indenter protrudes from the working face and the indenter is rotational fixed to a tool string component above the drill bit body. The indenter is rotationally isolated from the dri
8201892 Holder assembly June 19, 2012
In one aspect of the invention, a holder assembly comprises a connection block having a block bore extending from a first opening proximate a first end of the assembly to a second opening proximate a second end of the assembly. The block is adapted for connection to a driving mechanism.
8201645 Downhole tool string component that is protected from drilling stresses June 19, 2012
In one aspect of the present invention, a downhole tool string component has a first and second threaded end on a mandrel, the first threaded end attached to a first sleeve and the second threaded end attached to a second sleeve. An intermediate sleeve assembly is disposed circumfere
8198898 Downhole removable cage with circumferentially disposed instruments June 12, 2012
A downhole drill string component is disclosed comprising a substantially cylindrical cage with a hollow bore. An inner diameter of the cage is slideably connectable to a mandrel. A stab connection originates from one end of the cage and a plurality of downhole drill string instruments i
8191651 Sensor on a formation engaging member of a drill bit June 5, 2012
In one aspect of the present invention, a drilling assembly comprises a drill bit comprising a bit body and a cutting surface. A formation engaging element protrudes from the cutting surface and is configured to engage a formation. At least one compliant member is disposed intermedia
8172009 Expandable tool with at least one blade that locks in place through a wedging effect May 8, 2012
In one aspect of the present invention, an expandable tool for an earth boring system comprises a mandrel with a sleeve positioned around the outer surface and a blade disposed in a slot formed in the sleeve. The sleeve is also configured to slide along the tubular body. The blade co
8141662 Downhole lubrication system March 27, 2012
What is claimed is a downhole lubrication system comprising a drill string component comprising an outer diameter and an inner bore. A reservoir may be disposed intermediate the outer diameter and inner bore. A piston may be disposed at least partially within the reservoir. At least
8140259 Location device with a gravity measuring device March 20, 2012
A location device has a gravity measurement instrument in communication with a database which has the locations relative to time of an astronomical object. The location device also has a timepiece indicating the time which may be used to determine the location of the astronomical obj
8136887 Non-rotating pick with a pressed in carbide segment March 20, 2012
In one aspect of the present invention, a high impact resistant tool has a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The cemented metal carbide substrate is bonded to a front end of a cemented metal carbide segment. A stem formed in the ba
8130118 Wired tool string component March 6, 2012
A system is disclosed as having first and second tubular tool string components. Each component has a first end and a second end, and the first end of the first component is coupled to the second end of the second component through mating threads. First and second inductive coils are
8130117 Drill bit with an electrically isolated transmitter March 6, 2012
In one aspect of the invention a downhole drill bit with a body intermediate a shank and a working surface. Extending from the work surface is a wear resistant electric transmitter electrically isolated from the drill bit body. A wear resistant electrically conductive receiver, also
8123302 Impact tool February 28, 2012
An impact tool for use with a driving mechanism, the impact tool including an impact tip formed from a super hard material and having an apex and an attachment end, with the attachment end being bonded to a cemented metal carbide substrate at a non-planar interface. The cemented meta
8122980 Rotary drag bit with pointed cutting elements February 28, 2012
In one aspect of the invention a rotary drag bit has a bit body intermediate a shank and a working surface. The working surface has a plurality of blades converging at a center of the working surface and diverging towards a gauge of the working surface. At least one blade has a cutti
8118371 Resilient pick shank February 21, 2012
In one aspect of the invention, a pick assembly comprises a pick shank press fitted within a bore of a pick holder. The pick comprises a pick head opposite the shank. The shank also comprises at least one longitudinal slot extending towards the pick head along the shank from a distal
8109349 Thick pointed superhard material February 7, 2012
In one aspect of the invention, a high impact resistant tool includes a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The superhard material has a substantially pointed geometry with a sharp apex having a radius of curvature of 0.050 to 0.125
8091627 Stress relief in a pocket of a downhole tool string component January 10, 2012
A downhole tool string component has a tubular body with an inner and outer diameter. A pocket is formed in the outer diameter and is adapted to receive downhole instrumentation. A covering is attached to the outer diameter of the component and is adapted to seal the pocket from outside
8066500 High pressure, high temperature back-up with a circumferential relief November 29, 2011
In one aspect of the present invention, a cartridge assembly for connection to the frame of a high-pressure, high-temperature press comprises a front end comprising a back-up intermediate and coaxial with an anvil and a piston, the anvil comprising a proximal end in contact with the
8061784 Retention system November 22, 2011
A retention assembly, comprises a carbide bolster comprising a cavity formed in its base end. A shaft comprises an inserted end disposed within the cavity. The shaft is disposed within a hollow shank which comprises a first end contacting the bolster and a loaded end in mechanical co
8061782 Sensors on a degradation machine November 22, 2011
In one aspect of the invention, a machine for degrading a natural and/or man-made formation has picks connected to a drum of the machine and at least one accelerometer mounted to the machine adapted to measure forces acting on the machine. Electronic equipment is in communication with th
8061457 Chamfered pointed enhanced diamond insert November 22, 2011
An impact tool that includes an impact body made from a superhard material bonded to a substrate at a non-planer interface, the impact body having a pointed geometry that includes a substantially frustoconical portion between an apex and a base end, the substantially frustoconical po
8061443 Downhole sample rate system November 22, 2011
In one aspect of the invention, a downhole sensor system comprises at least one downhole sensor disposed on or within a downhole component of a tool string. The downhole sensor is adapted to detect at least one characteristic of a downhole formation adjacent the downhole component. T
8033616 Braze thickness control October 11, 2011
A degradation tool or assembly comprises an inverted conical face formed in a top end of a tool body, which top face tapers towards a central axis of the tool body. A base end of a carbide bolster is adapted to be brazed to the inverted conical top face. At least one protrusion is formed
8033615 Retention system October 11, 2011
A retention assembly has a carbide bolster with a first and second segment brazed together, each segment forming at least part of a cavity formed of the bolster. A shaft has an inserted end is interlocked within the cavity.
8033330 Tool string threads October 11, 2011
A downhole tool string component that includes a tubular body with an inner surface, an outer surface and a shoulder extending from the outer surface at one end of the tubular body, a sleeve disposed about the outer surface having an end face in contact with the shoulder. The downhole
8033328 Downhole electric power generator October 11, 2011
A downhole electric power generator is disclosed in one embodiment of the invention as including an inlet channel formed in a bore of a downhole tool string component for conveying a moving downhole fluid and a turbine coupled to the inlet channel to receive the downhole fluid. The turbi
8030936 Logging tool with independently energizable transmitters October 4, 2011
A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver is spaced apart fr
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