Entries |
Document | Title | Date |
20080251296 | Countersink Roof Bit Drill And Method For Using The Same - A roof bit drill has a central shaft with a front end and a back end. The drill also has a base secured about the central shaft proximate to the front end, wherein the base has clearance channels extending axially therethrough. At least one cutting element is arranged on the base in a convex cutting pattern to permit loosened material to be evacuated. The roof bit drill may further include a drill depth locator to identify when the drill has been advanced within a mine roof to a predetermined depth. A method for using the roof drill bit is also disclosed herein. | 10-16-2008 |
20080264694 | Drill Rod - According to the present invention, a drill rod ( | 10-30-2008 |
20080289879 | Connection Assembly For Drill Collars or Heavy Drill Pipes - The invention relates to a connection assembly ( | 11-27-2008 |
20080302574 | DRILL STEM AND METHOD - A drill stem segment and method of manufacture are shown. Drill stem segment and methods are shown that greatly strengthen the weld joint using sleeves. reinforced butt joints are shown in selected examples where sleeves and drill stem tubes are welded to connections such as tapered thread connections. Using methods described, the drill stem segments are also inexpensive to manufacture. | 12-11-2008 |
20090020338 | Downhole Assembly and Cutter Assembly - This invention relates to a downhole assembly and to a cutter assembly, and in particular to a downhole assembly including an apparatus for breaking up large-scale material which is present behind a drill bit, and to a cutter assembly for use in such a downhole assembly. The downhole assembly is suitably for use in a drillstring, the downhole assembly comprising a drill bit, a sensitive component, and at least one rotatable set of cutter blades located between the drill bit and the sensitive component. | 01-22-2009 |
20090211815 | Dual Pipe for Increased Fluid Flow - A dual pipe drill string system having increased fluid flow. The dual pipe system comprises a plurality of pipe sections, each pipe section having an inner rod and an outer pipe. The inner rod and the outer pipe of each pipe section may be coupled to the inner rod and outer pipe of an adjacent pipe section. An annulus between the inner rod and the outer pipe defines a fluid flow path through the dual pipe system. The outer pipe defines a shoulder at each end of an individual pipe section. The inner rod defies at least one stop for maintaining the inner rod within the outer pipe. A spacing assembly disposed around the circumference of the inner rod defines paths for fluid flow and maintains a minimum distance between the stop and the shoulder at one end of outer pipe of the pipe section. An additional spacing assembly disposed around the circumference of the inner rod defines paths for fluid flow and maintains a minimum distance between a second stop on the inner rod and the shoulder at a second end of the outer pipe of the pipe section. Alternatively, the stops on the inner rod may define a feature of the stop defining fluid paths for when the stop contacts the shoulder. | 08-27-2009 |
20090266615 | BI-STEEL PERCUSSIVE DRILL ROD - A drill rod includes a first end section, a mid-section, wherein the first end section and the mid-section are connected and wherein the first end section is manufactured using different steel than is used for the mid-section. Such a configuration can reduce the costs associated with forming a drill rod while maintaining the functionality of such a drill rod. | 10-29-2009 |
20090321144 | PROTECTING AN ELEMENT FROM EXCESSIVE SURFACE WEAR BY LOCALIZED HARDENING - A method of protecting an element from excessive surface wear is provided. In this method, a localized area of the element that will be subjected to excessive surface wear is exposed to induction heating for a period sufficient to heat the localized area to an elevated temperature at which the localized area undergoes austenitic transformation. The localized area is quenched, followed by tempering, and then cooling. A result of the method is a localized hardened area formed monolithically with the element and having a localized hardness that is greater than a base hardness of the element. | 12-31-2009 |
20100000797 | DRILLING TOOL - The invention relates to a drilling tool for drilling soft and fragmented rock. The drilling tool disclosed in the invention comprises a portion having a round cross section and a smooth surface and positioned substantially symmetrically relative to the middle axis of a drill rod and comprising, at its end, a converging part through which conduits pass for rinsing medium. | 01-07-2010 |
20100044112 | DRILL STEM CONNECTION AND METHOD - A drill stem connection system and method is shown that provides a secure hold on drill stem surfaces while unscrewing a threaded connection. Two lever arm components are adjustable to a number of possible orientations to allow for fitting the drill stem wrench in tight spaces. Concentric rotation of lever arm components facilitates connection of the lever arm components together. Configurations and methods shown provide a stable and powerful tool to loosen threaded drill stem effectively. | 02-25-2010 |
20100059285 | TOP HAMMER ROCK-DRILLING TOOL, A DRILL ROD COUPLING SLEEVE - In a first aspect, the invention relates to a rock-drilling tool that comprises a drill rod ( | 03-11-2010 |
20100101865 | DEVICE FOR PROTECTING A GEOTECHNICAL OR GEOPHYSICAL PROBE | 04-29-2010 |
20100155144 | DRILLING TOOL FOR ROCK - A drilling tool for rock is disclosed. The tool has a drill rod and a cup-shaped drill head, where the drill head and the drill rod can be connected detachably but rotationally secured with each other via a coupling mechanism which has at least one rotary lock-in slot of the drill head running along a tool axis and at least one rotary lock-in bar that can be inserted into the rotary lock-in slot and that is arranged on the end of the drill rod. The coupling mechanism in this case has an elastic lock for holding the rotary lock-in bar in the rotary lock-in slot. | 06-24-2010 |
20100224416 | SYSTEM AND METHOD FOR CONNECTING WIRED DRILL PIPE - A system and method for facilitating the formation of electrical connections between wired drill pipes is provided. Wired drill pipes comprise connection ends that each have a plurality of independent conductors. The independent conductors are arranged to enable a plurality of conductive connections between adjacent wired drill pipes when the wired drill pipes are physically connected. | 09-09-2010 |
20100252331 | METHODS FOR FORMING BORING SHOES FOR WELLBORE CASING, AND BORING SHOES AND INTERMEDIATE STRUCTURES FORMED BY SUCH METHODS - Methods of attaching a crown of a boring shoe to a casing section include attaching an adaptable shank to a crown, and machining the adaptable shank to configure an end thereof for attachment to a casing section after attaching the adaptable shank to the crown. Additional methods include welding an end of an adaptable shank to a crown to form a boring shoe, selecting the adaptable shank to have an average wall thickness greater than about five percent (5%) of a maximum diameter of the crown, and configuring an opposite end of the adaptable shank for attachment to a particular type of casing section after welding the shank to the crown. Boring shoes have an adaptable shank attached to a crown, wherein the shank comprises a generally cylindrical wall having an average wall thickness greater than about five percent (5%) of a maximum diameter of the crown. | 10-07-2010 |
20100326737 | FLEXIBLE EXTRUSION RESISTANT RING FOR SEAL ASSEMBLY - An extrusion resistant ring that is radially expandable and contactable to accommodate the relative movement of two joined bodies relative to each other. The extrusion resistant ring in combination with an elastomeric diaphragm provides a high pressure seal for down-hole oil drilling apparatus. | 12-30-2010 |
20110100720 | Glass Forming Hardbanding Material - A drill pipe and a method of applying hardbanding thereto. A hardbanding alloy comprising iron and manganese present in the range of 67 to 87 weight percent (wt. %), niobium and chromium present in the range of 9 to 29 wt. %, and boron, carbon and silicon present in the range of 3 to 6.5 wt. % may be welded around at least a portion of a tool joint circumference. The hardbanding alloy may exhibit a hardness of 45 Rc to 70 Rc and a wear rate in the range of 0.08 grams to 1.60 grams of mass loss after 6,000 cycles as measured using ASTM G65-04, Procedure A. | 05-05-2011 |
20110108328 | Ultra-hard drill collar - A drill collar formed substantially entirely from a metal matrix material and one or more metal alloys is provided, the drill collar being produced through a molding process. The metal matrix material of the drill collar minimizes lateral movement and vibration during drilling operations, while providing a weight greater than that of conventional drill collar materials, thereby enabling construction of drill collars and bottom hole assemblies having a reduced length. | 05-12-2011 |
20110209920 | INSERTION COUPLING FOR A BORING ROD ASSEMBLY AND A BORING ROD ASSEMBLY - An insertion coupling for a boring rod assembly with at least two coupling elements is disclosed. The coupling elements include at least one corresponding tapered coupling face pair constructed to produce play-free clamping when pressing forces are applied to the insertion coupling. | 09-01-2011 |
20120018229 | DRILL PIPE - A drill pipe ( | 01-26-2012 |
20120067649 | SLIP FREE DRILL PIPE - A drill pipe includes a pin-type connector part, a box-type pipe connector part, a tube part attached to the pin-type pipe connector part, and an intermediary pipe part disposed between and attached to the box-type pipe connector part and the tube part. The intermediary pipe part has a shoulder for engagement with a handling tool. | 03-22-2012 |
20120160571 | DRILLING TOOL - A drilling tool that has a flexible shaft so as to be able to make short radius curves while still being able to transmit torque and axial loads. The drilling tool includes a drill shaft for transmitting axial load, comprising a series of coaxial ring members connected together such that adjacent ring members are flexible in an axial plane relative to each other; each ring member being connected to an adjacent ring member by connecting member arranged to transmit torque therebetween; and axial supports extend between adjacent ring members so as to transmit axial loads therebetween. | 06-28-2012 |
20120193148 | NON-MAGNETIC DRILL STRING MEMBER WITH NON-MAGNETIC HARDFACING AND METHOD OF MAKING THE SAME - A method for applying a non-magnetic, abrasive, wear-resistant hardfacing material to a surface of a drill string member includes providing a non-magnetic drill string member formed of a non-magnetic material, the drill string member having an outer surface. It also includes providing a non-magnetic hardfacing precursor material comprising a plurality of non-magnetic, sintered carbide pellets and a non-magnetic matrix material; heating a portion of the non-magnetic hardfacing precursor material to a temperature above the melting point of the matrix material to melt the matrix material. It further includes applying the molten non-magnetic matrix material and the plurality of non-magnetic, sintered carbide pellets to the exterior surface of the drill string member; and solidifying the molten non-magnetic matrix material to form a layer of a non-magnetic hardfacing material having a plurality of non-magnetic, sintered carbide pellets dispersed in the hardfacing material. | 08-02-2012 |
20120228034 | DRILL STEM COMPONENTS AND STRING OF COMPONENTS - A rotary drill stem component for exploration of a hydrocarbon well with drilling mud in movement around the component from a bottom of the well towards the surface includes a central tubular element having an axis of revolution and extended on either side respectively by a first and a second tool joint each respectively and successively including a first cylindrical portion connected to the tubular element, a second tapered portion, a third cylindrical portion with a radius greater than that of the tubular element, and a threaded end which can connect the component to another component, the component including a first shell provided with one or more functional zones, the first shell being mounted on one of the tool joints in a cohesive and removable manner. | 09-13-2012 |
20120255790 | Dual Pipe For Increased Fluid Flow - A dual pipe drill string system having increased fluid flow. The dual pipe system comprises a plurality of pipe sections, each pipe section having an inner rod and an outer pipe. The inner rod and the outer pipe of each pipe section may be coupled to the inner rod and outer pipe of an adjacent pipe section. An annulus between the inner rod and the outer pipe defines a fluid flow path through the dual pipe system. The outer pipe defines a shoulder at each end of an individual pipe section. The inner rod defines at least one stop for maintaining the inner rod within the outer pipe. A spacing assembly disposed around the circumference of the inner rod defines paths for fluid flow and maintains a minimum distance between the stop and the shoulder at one end of outer pipe of the pipe section. | 10-11-2012 |
20120305319 | SAFETY JOINT WITH INDICATING FEATURE - A joint assembly, including a first member including an indicator; a second member operatively arranged to sealingly engage the first member via a seal element, the indicator operatively arranged to provide an indication when the first member has been engaged with the second member. | 12-06-2012 |
20120312600 | ROTARY JOINT FOR SUBTERRANEAN DRILLING - A rotary joint for use in directional control of a subterranean rotary steerable drilling apparatus. The rotary joint is formed by mated spherical-shaped sockets, each of which is connected with a hollow rod. By virtue of this arrangement, a continuous passageway is provided for fluid to flow through the rotary joint, which fluid may be used for cooling the rotary joint during operation of the rotary steerable drilling system. | 12-13-2012 |
20130032411 | COMPOSITIONS, METHODS OF COATING WELLBORE TOOLS WITH SUCH COMPOSITIONS, AND WELLBORE TOOLS COATED WITH SUCH COMPOSITIONS - A composition including a high temperature thermoplastic polymer and a filler material is disclosed. A method for forming a coating upon a wellbore tool includes forming a powder composition comprising a thermoplastic polymer and a filler material and applying the composition on the body surface. Wellbore tools having components coated with such compositions are also disclosed. | 02-07-2013 |
20130056282 | RUNNING TOOL WITH INDEPENDENT HOUSING ROTATION SLEEVE - A system, in certain embodiments, includes a housing running tool including an inner sleeve having a first mating surface configured to engage a second mating surface of a housing to rigidly couple the inner sleeve to the housing. The housing running tool also includes an outer sleeve disposed about the inner sleeve and configured to support the inner sleeve in an axial direction. The outer sleeve includes a first mounting feature configured to engage a second mounting feature of the housing such that substantially all torque applied to the housing running tool in a circumferential direction is transferred to the housing via the outer sleeve. | 03-07-2013 |
20130133953 | REVERSE CIRCULATION DRILLING SYSTEM, APPARATUS AND METHOD - In one embodiment, the present invention provides a reverse circulation drilling apparatus which comprises a concentric dual wall drill pipe, having a first threaded end, a second threaded end, an outer pipe and an inner pipe captured in a concentric arrangement within the outer pipe and defining an annulus therebetween. The inner pipe defines an inside passage, which is not in fluid communication with the annulus. A first means for directing an outer flow of fluid through the annulus is provide. A second means for directing an inner flow of fluid through the inside passage is also provided. The first means and the second means prevent fluid communication between the outer flow and the inner flow. The first threaded end and the second threaded end are each suitable to connect the reverse circulation drilling apparatus to another reverse circulation drilling apparatus. | 05-30-2013 |
20130220705 | ASSEMBLED DRILLING TOOL - An assembled drilling tool has a drilling bit ( | 08-29-2013 |
20140034393 | DRILL STEM COMPONENT COMPRISING A MOVABLE COUPLER AND A PRESSURE CHAMBER - A rotary drill stem for a well including a central tubular element, and first and second connectors each including a threaded portion that can connect the element to another element. At least one of the connectors includes a chamber in communication with a pressure outside the chamber. The connector includes an annular signal transmission coupler. The annular coupler includes a ring having an annular coupling surface. The coupler includes an insulating support that leaves the annular coupling surface free. The coupler includes a piston surface axially opposite to the annular coupling surface. The annular coupler forms a piston. | 02-06-2014 |
20140102807 | Inductive Coupler - Example inductive couplers are provided herein. The inductive couplers can provide for the transmission of power and/or communication between downhole tools in a bottom hole assembly. | 04-17-2014 |
20140151130 | PIPE JOINT HAVING COUPLED ADAPTER - An adapter for a wired drill pipe joint includes an annular adapter having a first end and a second end, an annular recess extending partially into the first end of the adapter and an element of a communication coupler disposed at least partially within the annular recess, wherein the second end of the adapter is configured to be coupled to an end portion of the wired drill pipe joint. | 06-05-2014 |
20140182945 | Engineered Materials for Drill Rod Applications - Implementations described herein comprise drill rods comprising an integral tubular metallic body having a first ends, an opposing second end, and an elongate midbody extending along a central axis between the first and second ends and where the metallic body defines a central bore that extends along the central axis and has a body inner surface and at least one body bore diameter. In further aspects, the drill rods further comprise an underlying tubular composite lining that has a lining outer surface that is connected to at least the body inner surface of the midbody of the metallic body, the composite lining defining an operative bore that extends along the central axis and has at least one operative bore diameter. | 07-03-2014 |
20140182946 | ENGINEERED MATERIALS FOR DRILL ROD APPLICATIONS - Implementations described herein comprise drill rods comprising an integral tubular metallic body having a first ends, an opposing second end, and an elongate midbody extending along a central axis between the first and second ends and where the metallic body defines a central bore that extends along the central axis and has a body inner surface and at least one body bore diameter. In further aspects, the drill rods further comprise an underlying tubular composite lining that has a lining outer surface that is connected to at least the body inner surface of the midbody of the metallic body, the composite lining defining an operative bore that extends along the central axis and has at least one operative bore diameter. | 07-03-2014 |
20140209394 | SHALE DRILL PIPE - A drill pipe for oil and gas drilling comprises two tool joints and a main portion between the tool joints, with two upsets adjacent to the tool joints, and a central section between the upsets. The outer diameter of the central section of the main portion is less than the outer diameter of the main portion upsets, and the outer diameter of the central section of the main portion is between 4″ and 4½″. | 07-31-2014 |
20140216822 | BORING MACHINE - The invention is a boring machine including: a guide rail linearly extending in one direction; a main part sliclably mounted on the guide rail; a sleeve extending from the main part in a plane substantially parallel to the guide rail; and a rotatable face plate mounted at a distal end of the sleeve; wherein a deflection-compensating wedge plate is provided between the distal end of the sleeve and the rotatable face plate. | 08-07-2014 |
20140231148 | COMPOSITE MATERIALS INCLUDING INORGANIC FULLERENE-LIKE PARTICLES AND INORGANIC TUBULAR-LIKE PARTICLES IN A POLYMER MATRIX - A composite including a dispersed phase of an inorganic material of a metal chalcogenide composition with a fullerene-like or tubular-like geometry that is present in a polymeric matrix, wherein the inorganic material of the metal chalcogenide has a molecular formula MX | 08-21-2014 |
20140291032 | PROCESS FOR THE PRODUCTION OF A PIPE LINED WITH AN INLINER - A process for the production of a pipe comprising: an interior surface having a shape; and a thermoplastic inliner is provided. The process comprises: introducing the thermoplastic inliner into the interior of the pipe; heating the pipe from the outside to a temperature higher than a crystallite melting point (T | 10-02-2014 |
20140353045 | DRILL PIPE WITH REPLACEABLE TOOL JOINTS - A drill string including tool assembly. The tool assembly includes a tool joint adapter and a tool joint coupled to the tool joint adapter through a faceted pin. The faceted pin includes a faceted fitting having a fitting face. The drill string includes a locking pin that extends through the tool joint adapter and tool joint. The locking pin extends through a locking pin groove of the fitting face. The locking pin locks the tool joint adapter and tool joint together. | 12-04-2014 |
20140360788 | NONMAGNETIC MATERIAL FOR PRODUCING PARTS OR COATINGS ADAPTED FOR HIGH WEAR AND CORROSION INTENSIVE APPLICATIONS, NONMAGNETIC DRILL STRING COMPONENT, AND METHOD FOR THE MANUFACTURE THEREOF - In order to provide a nonmagnetic material for producing parts or coatings adapted for highly wear and corrosion intensive applications, said material comprising preformed particles made of tungsten carbide which are embedded in a metal phase made of a Ni-based alloy. It is suggested that the weight portion of said tungsten carbide particles is in the range between 30 wt. % and 65 wt. % and wherein the Ni-based alloy is a Nickel-Chromium-Molybdenum alloy comprising: (in wt. %): | 12-11-2014 |
20140374168 | Drill Chuck Isolator - A chuck isolator for the chuck of a drill comprising a base plate mountable to the chuck, a drive plate connectable to a drill bit, and a first elastomeric member interposed between the base plate and the drive plate. The base plate and the drive plate are wider than the drill bit. The chuck isolator is connectable to the chuck of the drill and capable of providing sound and vibration isolation when the chuck isolator is connected to the drill. | 12-25-2014 |
20150027785 | BOREHOLE CUTTER RETENTION AND FASTENING/LOCKING SYSTEM - A borehole reaming cutter retention and fastening/locking system enable field replacement of borehole reaming cutter assemblies utilized in infrastructure emplacement horizontal drilling (HDD) applications. The borehole reaming cutter assembly retention/fastening system can withstand borehole drilling forces without the necessity of permanent welding, thereby allowing cutter interchangeability/replacement in the field. The borehole cutter retention assembly shape and design, coupled with the fastening/locking mechanism design, may be robust enough to replace permanent welding and may allow field cutter interchangeability and replacement. Current designs and devices utilize permanent welding of component/cutter assemblies, thereby requiring workshop/welding construction and deconstruction to enable the interchangeability and replacement of cutter assemblies. | 01-29-2015 |
20150041221 | UNCOUPLING DEVICE FOR CONNECTING A DRILLING TOOL TO THE END OF A DRILLING COLUMN AND A DRILLING SYSTEM COMPRISING SUCH AN UNCOUPLING DEVICE - Collection device for connecting a drilling tool, such as a bit, to the end of a drilling column, in which the connection device comprises a first element, with a first end, intended to be connected to the end of the drilling column, and a second element, with a second end, intended to be connected to the drilling tool, in which the second element is fixed to the first element so as to allow a translational movement in a longitudinal direction in order to make it possible to change the distance between the first end and this second end, characterized in that the connection device comprises a “pusher” structure for transmitting a thrust force from this first element towards the second element, comprising a set of “Belleville” washers making it possible to ensure that said thrust force, from the first element toward the second element, is substantially constant in any position of the second element with respect to the first element. | 02-12-2015 |
20150060148 | DRILLING TOOL AND APPARATUS - A drilling apparatus including a rotary cutting tool having a proximal end and a distal end and further defining a rotary axis generally extending between the proximal and distal ends. The rotary cutting tool includes a proximally directed face located between the proximal and distal ends that face mainly in a proximal direction. The rotary cutting tool also includes an angled mounting face that extends between the proximally directed face and the proximal end. The angled mounting face is angled relative to the proximally directed face and the rotary axis where one of a mounting aperture and a mounting protrusion are provided at the proximally directed face. The one of the mounting aperture and the mounting protrusion have a mounting depth that extends generally in the direction of the rotary axis. The distal end includes a feature that is configured for at least one of cutting and grinding. | 03-05-2015 |
20150129319 | Externally Serviceable Slip Ring Apparatus - A slip ring apparatus which includes a housing, a contact assembly recess defined by the housing, a slip ring rotor assembly contained within the interior of the housing adjacent to the contact assembly recess, a slip ring contact assembly mounted within the interior of the housing, wherein the slip ring contact assembly is insertable and removable from the interior of the housing via an exterior recess side of the contact assembly recess, and a hatch cover for covering the contact assembly recess, wherein the hatch cover is removable and replaceable via the exterior recess side of the contact assembly recess. A method of servicing a slip ring apparatus which includes removing a hatch cover, servicing the slip ring apparatus, and replacing the hatch cover, all via an exterior recess side of the contact assembly recess. | 05-14-2015 |
20150308195 | REAMER SHOE ATTACHMENT FOR FLEXIBLE CASING SHOE - A drillable reamer shoe having a reamer body and a nose section having a metallic cage containing a plurality of ceramic inserts made from silicon nitride or aluminum oxide. The drillable reamer shoe is positioned on an end of a flexible wellbore casing guide comprising a tubular body having a stiffness lower than a wellbore casing. | 10-29-2015 |
20150369041 | FLUID PRESSURE PULSE GENERATING APPARATUS WITH PRESSURE COMPENSATION DEVICE AND PULSER ASSEMBLY HOUSING - A fluid pressure pulse generating apparatus with a pulser assembly having a pulser assembly housing enclosing a pressure compensation device. The pulser assembly housing includes an interior wall with a plurality of primary apertures therethrough and an exterior wall with a plurality of secondary apertures therethrough, the exterior wall overlying the interior wall. The primary and secondary apertures are in fluid communication with a pressure compensation mechanism in the pressure compensation device such that drilling fluid contacts the pressure compensation mechanism for equalization of pressure of a lubrication liquid contained inside the pulser assembly housing with pressure of the drilling fluid when the fluid pressure pulse generating apparatus is positioned downhole. | 12-24-2015 |
20160032652 | DETACHABLE COMBINED-TYPE DRIVE KEY FOR ROTARY DRILLING RIG POWER HEAD - The present disclosure provides a detachable and combined drive key of a power head of a rotary drilling rig. The drive key includes torque transfer keys ( | 02-04-2016 |
20160090792 | Auger Blade - An auger blade includes a main body which defines a ground penetrating tip portion, a first blade and a second blade. The first and second blades extend from the tip portion towards an opposing end portion of the auger blade. The first and second blades are annularly arranged around a centerline of the auger blade. The first blade includes an arcuate inner surface and the second blade includes an arcuate inner surface. | 03-31-2016 |