Matches 1 - 50 out of 67 1 2 >


Match Document Document Title
US20110303465 IMPREGNATED DRILLING TOOLS INCLUDING ELONGATED STRUCTURES  
Impregnated drilling tools include elongated structures that provide enhanced properties. The drilling tools contain a diamond-impregnated cutting section that contains elongated structures made...
US20110284291 Tension/Collar/Reamer Assemblies And Methods  
The present invention provides drilling assembles and methods that are especially useful for a bottom hole drilling assembly for drilling/reaming/ or other operations related to drilling a...
US20130195560 TOOLS AND METHODS FOR CONSTRUCTING LARGE DIAMETER UNDERGROUND PILES  
Methods are provided for the creation of large diameter piles in all types of soils (cohesive, cohesionless or rocky), particularly for the construction of bulkheads made of juxtaposed or secant...
US20140305708 Reamer With Replaceable Cutters  
A reamer for use in horizontal directional drilling back-reaming operations. The reamer comprises an elongate body having an intermediate section, a first end, and a second end. The circumference...
US20120103695 DRILLING EQUIPMENT AND ATTACHMENT MEANS FOR THE SAME  
This invention relates to a ground drilling or cutting tool comprising a cutting element removably attached thereto by attachment means, the tool further including retention means adapted to...
US20120073879 DOWNHOLE REAMER ASYMMETRIC CUTTING STRUCTURES  
A cutting structure for use with a reamer in enlarging a borehole in a subterranean formation includes a plurality of cutter blocks, radially extendable from a reamer body away from a central axis...
US20150211304 METHOD AND SYSTEM FOR A HOLE OPENER  
A method and system for a hole opener are provided. The hole opener includes a shaft including a plurality of axial slots formed in an outer periphery and spaced circumferentially about the shaft,...
US20130092444 CUTTING TOOL INTEGRATED IN A DRILLSTRING  
The present invention discloses a cutting tool integrated in a drillstring for enlarging a borehole, where the cutting tool at least comprises: one or more side mills (12, 13, 14) arranged along...
US20100051349 FORCE BALANCED ASYMMETRIC DRILLING REAMER  
A force balanced asymmetric drilling reamer comprising a plurality of blades, each blade having at least one cutter section and a gage section. The cutter section is designed to have a plurality...
US20140262523 UNDERREAMER FOR INCREASING A WELLBORE DIAMETER  
An underreamer for increasing a diameter of a wellbore. The underreamer may include a body with first and second cutter blocks coupled to the body. The first cutter block may have a recess formed...
US20100230167 TENSION/COLLAR/REAMER ASSEMBLIES AND METHODS  
The present invention provides drilling assembles and methods that are especially useful for a bottom hole drilling assembly for drilling/reaming/or other operations related to drilling a borehole...
US20130199858 Keyseat Wiper  
Embodiments of keyseat wipers for use in drilling processes, as well as methods for making and using such keyseat wipers, are described herein. Embodiments of keyseat wipers can include changing...
US20090321140 REAMER AND METHODS FOR DIRECTIONAL DRILLING  
A reamer for underground boring is provided. The reamer includes at least: (a) a center mandrel, wherein the center mandrel defines a mandrel axis; (b) a plurality of radial members extending...
US20140262533 POLYCRYSTALLINE DIAMOND COMPOSITE COMPACT  
A polycrystalline diamond (PCD) composite compact element comprising a PCD structure bonded to a cemented carbide substrate, in which at least a peripheral region of the substrate comprises...
US20050252693 Securing arrangement for reamers in raise boring  
A safety arrangement which pertains to drill bits for reamer drilling and which is intended to prevent the drill bit from falling freely down the hole in the event of a breakage in an element that...
US20060237234 Earth boring tool  
An earth boring tool includes two coaxially-aligned, positive displacement motors. One motor turns a pilot bit and the other turns a reamer concentric with the pilot bit. The central bit bores the...
US20150226008 ONE PIECE REAMER FOR USE IN BORING OPERATIONS OF GAS AND OIL MINING  
The present invention extends to a single piece reamer having multiple sets of blades. Each set of blades can be positioned at opposite ends of the reamer. In some embodiments, each blade can be...
US20060096788 Reamer assembly  
A reamer assembly for widening a drilled pilot hole or for widening a hole that has been widened in a first step in a down-the-hole drilling operation, includes a shank (14) for attachment of the...
US20070261892 DEVICE FOR A DRILLING TOOL  
The present invention relates to an apparatus in tools for down the hole drilling, which comprises a pilot drilling bit (10), a reamer (8) and a pilot body (1) which is disposed to support the...
US20110100723 REAMING TOOL  
A reaming tool in the form of reamer shoe is adapted for location in a wellbore and has a rotationally balanced nose.
US20130153306 FIXED CUTTER DRILL BIT HEEL AND BACK-REAM CUTTER PROTECTIONS FOR ABRASIVE APPLICATIONS  
A method of manufacturing a fixed cutter drill bit may include loading a first matrix material of controlled thickness to at least a portion of a mold cavity corresponding to a heel surface of at...
US20140284109 METHOD AND APPARATUS FOR REAMING WELL BORE SURFACES NEARER THE CENTER OF DRIFT  
A well bore reaming device and method are disclosed. The device includes a drill string, a bottom eccentric reamer coupled to the drill string, and a top eccentric reamer coupled to the drill...
US20150075870 SYSTEM AND METHOD FOR HORIZONTAL DIRECTIONAL DRILLING AND PRODUCT PULLING THROUGH A PILOT BORE  
Disclosed is a system and method employed in a horizontal directional drilling (“HDD”) process. An exemplary embodiment includes a drill bit with thirteen (13) or more splines for improved...
US20130284515 METHOD AND APPARATUS FOR COUPLING AN EARTH PIPE INTO THE GROUND, USING A SOLIDIFYING MASS  
A method for coupling an earth pipe into the ground when utilizing an apparatus that has a drilling device including a casing part and a drilling unit inside thereof. The drilling unit includes a...
US20110226531 SYSTEM AND METHOD FOR MEASURING BOREHOLE CONDITIONS, IN PARTICULAR, VERIFICATION OF A FINAL BOREHOLE DIAMETER  
The present invention is a system and method for measuring borehole conditions, in particular for verification of a final diameter of a borehole. The system includes a drill string with a drill...
US20100252326 MODULAR SYSTEM FOR A BACK REAMER AND METHOD  
A modular back reamer to be used in subterranean drilling includes a drive stem connected to a drill string and configured to support a reamer body, the reamer body providing a plurality of...
US20130256036 CUTTING STRUCTURES, TOOLS FOR USE IN SUBTERRANEAN BOREHOLES INCLUDING CUTTING STRUCTURES AND RELATED METHODS  
Cutting structures for use with downhole tools in subterranean boreholes include a blade, a plurality of primary cutting elements coupled to the blade, and at least one secondary element...
US20130126244 BALL AND SOCKET ROLLER REAMER AND KEYSEAT WIPER  
Exemplary drill tools for placement in a drill string may include a body; a plurality of reamer cutters; and a plurality of ball and socket connectors configured to attach the plurality of reamer...
US20140332270 METHOD AND APPARATUS FOR OPERATING A DOWNHOLE TOOL  
In another embodiment, a method of drilling a wellbore includes running a drilling assembly into the wellbore through a casing string, the drilling assembly comprising a tubular string, an...
US20110180330 DRILLING ASSEMBLY WITH UNDERREAMING BIT AND METHOD OF USE  
Embodiments provide apparatuses and methods for drilling and underreaming, particularly to underreamer expansion bits. Underreamer drill assemblies and underreaming bits manufactured in accordance...
US20140311802 CIRCUMFERENTIAL AND LONGITUDINAL CUTTER COVERAGE IN CONTINUATION OF A FIRST BIT DIAMETER TO A SECOND EXPANDABLE REAMER DIAMETER.  
The Smart Reamer® Tool, Apparatus or Method is used to underream an oil or natural gas well while interlinked calipers and calibration sensors simultaneously record data relating to the geometry...
US20110100722 ROTARY ROLLER REAMER  
A bore hole rotary reamer includes a body having cutters rotatably mounted by one or more respective spindles. A bearing region is formed on the spindle. At least one annular seal prevents ingress...
US20140345952 METHOD AND APPARATUS FOR REAMING WELL BORE SURFACES NEARER THE CENTER OF DRIFT  
The present invention provides a method and apparatus for increasing the drift diameter and improving the well path of the well bore, accomplished in one embodiment by cutting away material...
US20110308861 EXPANDABLE REAMERS FOR SUBTERRANEAN DRILLING AND RELATED METHODS  
An expandable reamer apparatus and methods for reaming a borehole are disclosed, including at least one laterally movable blade carried by a tubular body selectively positioned at an inward...
US20060096786 Re-settable locking mechanism for downhole tools  
The present invention generally comprises a tubular body which is adapted to be attached to a drill string, where the body defines a bore therethrough which accommodates a piston slidably disposed...
US20110297443 EXPANDABLE REAMER APPARATUS AND RELATED METHODS  
An expandable reamer apparatus and methods for reaming a borehole, wherein a laterally movable blade carried by a tubular body may be selectively positioned at an inward position and an expanded...
US20130153300 SELECTIVELY ACTUATING EXPANDABLE REAMERS AND RELATED METHODS  
Expandable reamers are configured to operate in a first, retracted state in which a plurality of blades is in a retracted position when a sliding sleeve is in a first sleeve position and a seat is...
US20150197999 IMPREGNATED DRILL BITS WITH INTEGRATED REAMERS  
Drilling tools include a bit crown and an integrated reamer. The bit crown and integrated reamer can be configured with approximately equal drilling lives. The bit crown can be impregnated with...
US20140110171 DOWNHOLE TOOL AND CONTROL MODULE  
Described herein is a reamer tool (100) having a body (105) with bays (115) in which cutter arms (110) are mounted for deployment between a stowed position and a deployed position. A deployment...
US20140158430 DRILLING TOOL, APPARATUS AND METHOD FOR UNDERREAMING AND SIMULTANEOUSLY MONITORING AND CONTROLLING WELLBORE DIAMETER  
The Smart Reamer® Tool, Apparatus or Method is used to underream an oil or natural gas well while interlinked calipers and calibration sensors simultaneously record data relating to the geometry...
US20130180783 Turbine Driven Reaming Bit with Stability and Cutting Efficiency Features  
A reaming bit designed to operate with low torque fluctuation when driven with a turbine at speeds in the order of 300-600 RPM and above features a profile that is arcuate from the gauge dimension...
US20140182940 Underreamer for Increasing a Bore Diameter  
An underreamer for increasing the diameter of a bore. The underreamer includes a substantially cylindrical body having an axial bore therein. A mandrel may extend axially through the axial bore....
US20100263936 Reamers and Methods for Directional Drilling  
A reamer includes a mandrel defining a mandrel axis and arms extending radially from the mandrel. Each arm has a proximal end and a distal end. The reamer includes a cutting head disposed on the...
US20100276199 EXPANDABLE REAMER APPARATUS  
An expandable reamer apparatus and methods for reaming a borehole, wherein a laterally movable blade carried by a tubular body may be selectively positioned at an inward position and an expanded...
US20100288557 EXPANDABLE REAMER FOR SUBTERRANEAN BOREHOLES AND METHODS OF USE  
An expandable reamer apparatus and methods for reaming a borehole are disclosed, including at least one laterally movable blade carried by a tubular body selectively positioned at an inward...
US20130180782 Turbine Driven Reaming Bit with Blades and Cutting Structure Extending into Concave Nose  
A reaming bit designed to operate with low torque fluctuation when driven with a turbine at speeds in the order of 300-600 RPM and above features a profile that is arcuate from the gauge dimension...
US20100224414 CHIP DEFLECTOR ON A BLADE OF A DOWNHOLE REAMER AND METHODS THEREFORE  
An expandable reamer apparatus for drilling a subterranean formation includes a tubular body, one or more blades, each blade positionally coupled to a sloped track of the tubular body having a...
US20170136654 DIAMETER EXPANSION DRILL BIT  
A diameter expansion drill bit used to expand the diameter of a part of a prepared hole bored in a frame by grinding includes: a cutting-blade portion that has a plurality of separate...
US20170096859 CUTTING ELEMENTS FOR EARTH-BORING TOOLS, EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS, AND RELATED METHODS  
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 an exposed outer surface...
US20160305189 DRILL HEAD FOR EXPANDING A PILOT BORE IN ORDER TO CREATE A BOREHOLE  
A drill head for expanding a pilot bore in order to create a borehole having a borehole wall as a result of loosening rock surrounding the pilot bore in the region of a working face, which extends...

Matches 1 - 50 out of 67 1 2 >