Matches 1 - 46 out of 46


Match Document Document Title
US20140076639 Rock Bit and Cutter Teeth Geometries  
A rolling cone drill bit for cutting a borehole comprises a rolling cone cutter mounted on a bit body and adapted for rotation about a cone axis. Further, the bit comprises a tooth extending from...
US20120111637 ROTARY DRILL BIT WITH GAGE PADS HAVING IMPROVED STEERABILITY AND REDUCED WEAR  
A rotary drill bit having blades with gage pads disposed on exterior portions thereof to improve steerability of the rotary drill bit during formation of a directional wellbore without sacrifice...
US20130248255 HARD FACING CONFIGURATION FOR A DRILLING TOOL  
Bits configured for drilling rock that are of the type that includes a plurality of teeth supported in pockets that are on a cutting face that is driven to rotate. The pockets are configured to...
US20130146367 ROLLING CUTTER WITH IMPROVED ROLLING EFFICIENCY  
A cutting structure may include an outer support element; and an inner rotatable cutting element comprising a cutting surface at its upper end; wherein the inner rotatable cutting element...
US20130199856 SHAPED CUTTING ELEMENTS FOR EARTH-BORING TOOLS AND EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS  
Cutting elements for an earth-boring tool include a substrate base and a cutting tip. The cutting tip may include a first generally conical surface, a second, opposite generally conical surface, a...
US20100307836 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...
US20120205160 SYSTEM AND METHOD FOR LEG RETENTION ON HYBRID BITS  
An earth boring drill bit comprising: one or more legs; a bit body having a blade and a slot for receiving the leg; and one or more wedge between the leg and the slot fixing the leg within the...
US20150053422 HYBRID ROTARY CONE DRILL BIT  
A hybrid rotary cone drill bit includes a plurality of legs. A bearing shaft extends from each leg, and a rotary cone is rotationally coupled to each bearing shaft. At least one rotary cone...
US20070144788 Setting utility access covers  
Apparatus and method of setting access covers to grade wherein the apparatus includes rubblizing bits and a vacuum, the first rubblizing bit having a central core with attached carriers for teeth...
US20070272446 Drill bit with application specific side cutting efficiencies  
A drill bit includes a drill bit body and first and second blades formed on the drill bit body. The first blade has first cutting elements defining a first profile length and an adjacent first...
US20100163312 Rotary Drill Bits with Gage Pads Having Improved Steerability and Reduced Wear  
A rotary drill bit having blades with gage pads disposed on exterior portions thereof to improve steerability of the rotary drill bit during formation of a directional wellbore without sacrifice...
US20070261890 Fixed Cutter Bit With Centrally Positioned Backup Cutter Elements  
A drill bit for drilling a borehole in earthen formations. In an embodiment, the bit comprises a bit body having a bit face comprising a cone region, a shoulder region, and a gage region. In...
US20100272515 METHOD OF DEVELOPING AND PRODUCING DEEP GEOTHERMAL RESERVOIRS  
A method of drilling, completing and producing a deep geothermal reservoir to allow the economical extraction of thermal energy from geologic strata, which may be termed as Hot Dry Rock (HDR).
US20080006447 ROLLER CONE DRILL BIT THAT INCLUDES COMPONENTS WITH PLANAR REFERENCE SURFACES FOR GAUGING AND INSPECTION  
The present invention is generally directed to a roller cone drill bit that includes planar reference surfaces for gauging and inspection In one illustrative embodiment, a method of manufacturing...
US20080202817 Hardfacing Around Ball Loading Hole for Earth-Boring Bit  
A rotary cone earth boring bit has at least one bit leg with a cone retaining ball passage that intersects an outer surface of the bit leg and is closed by a ball plug. An upwardly curved lower...
US20070278014 Drill bit with plural set and single set blade configuration  
Disclosed within is a drill bit with a plural set of blades having redundant cutter elements and single sets of blades having unique cutter element arrangements. The redundant cutter elements have...
US20140027180 Drill Bit with Hydraulically-Activated Force Application Device for Controlling Depth-of-Cut of the Drill Bit  
In one aspect, a drill bit is disclosed that in one embodiment includes a pad configured to extend and retract from a surface of the drill bit, a pad on a face of the drill bit configured to...
US20060260845 Stable Rotary Drill Bit  
A drill bit comprises a bit body having a plurality of upstanding main blades formed thereon. The main blades have a plurality cutting elements mounted thereon, and they are shaped such that a...
US20070272445 DRILL BIT WITH ASSYMETRIC GAGE PAD CONFIGURATION  
A drill bit for drilling a borehole in earthen formations. In an embodiment, the bit comprises a bit body having a bit axis and a bit face. In addition, the bit comprises a pin end extending from...
US20070215389 Matrix Drill Bits With Back Raked Cutting Elements  
A matrix drill bit and method of manufacturing a matrix bit having back raked cutting elements is disclosed. In one aspect, a matrix drill bit for well drilling includes a matrix bit body that has...
US20140144709 APPARATUS AND METHOD FOR RETAINING INSERTS OF A ROLLING CONE DRILL BIT  
An insert for a rolling cone drill bit includes a base portion having a central axis. The base portion is configured to be seated in a mating socket in a cone cutter of the rolling cone drill bit....
US20080053708 RECESSED EXTENDED NOZZLES FOR DRILL BITS AND DRILL BITS SO EQUIPPED  
A nozzle includes a nozzle body having an extended, tubular nozzle protrusion terminating at a nozzle exit, the nozzle body having an annular shoulder surrounding a base of the nozzle protrusion....
US20140138161 Hybrid Rolling Cone Drill Bits and Methods for Manufacturing Same  
A rolling cone drill bit for drilling a borehole in earthen formations includes a bit body having a bit axis. In addition, the rolling cone drill bit includes a rolling cone cutter mounted on the...
US20130126246 SCRAPING-WHEEL DRILL BIT  
A scraping-wheel drill bit with a bit body configured at its upper extend for connection into a drillstring, comprising: a bit body (1) with at least one bit leg (3), and at least one...
US20090178856 Drill Bit and Cutter Element Having a Fluted Geometry  
A drill bit for cutting a borehole having a borehole sidewall, corner and bottom, the drill bit comprises a bit body including a bit axis. In addition, the drill bit comprises a rolling cone...
US20130126247 COMPOSITE DRILL BIT  
A composite drill bit with a bit body configured at its upper extend for connection into a drillstring, comprising: a bit body (1) with at least one bit leg (3), at least one scraping-wheel (2)...
US20100089656 Roller Cone Drill Bits with Improved Fluid Flow  
Roller cone drill bits operable to form a borehole. A number of support arms may extend from each drill bit. A cutter cone assembly may be mounted on each support arm. A number of cutting elements...
US20140216824 TOOL HOLDER, AND CHISEL SUPPORT AND DRILLING BIT FOR A DRILL HEAD  
A drill head including a tool holder, chisel supports mounted thereon and drill bits. According to this invention, the chisel supports can be separated from the tool holder.
US20110048809 HIGH PERFORMANCE ROCK BIT GREASE  
The present disclosure relates to greases containing metal sulfonate thickeners. In one example the thickener may be a calcium sulfonate thickener. In other examples grease may contain a...
US20140182937 ROLLER CONE DRILL BIT  
A roller cone drill bit having a bit body. The bit body has a journal bearing coupled to an end portion thereof. A roller cone is coupled to the journal bearing. A first cutting element is coupled...
US20110155472 EARTH-BORING TOOLS HAVING DIFFERING CUTTING ELEMENTS ON A BLADE AND RELATED METHODS  
Earth-boring tools include combinations of shearing cutting elements and gouging cutting elements on a blade of the earth-boring tools. In some embodiments, a gouging cutting element may be...
US20110147089 DRILL BIT WITH AN ADJUSTABLE STEERING DEVICE  
A drill bit is provided that in one embodiment includes a force application device on a body of a drill bit, the force application device including a floating member and a force application member...
US20130098688 DRILL BITS HAVING ROTATING CUTTING STRUCTURES THEREON  
A drill bit may include a bit body rotatable about a longitudinal axis and having, at one end, a connection for securing the drill bit to a drill string and having a face opposite the connection...
US20110100721 Rotary drill bits including bearing blocks  
A bearing block is provided that may be used with a drag bit body or frame to limit depth of cut of cutters on a bit. The bearing block is designed so that it may be interchangeably replaced or...
US20140196956 HIGH SHEAR ROLLER CONE DRILL BITS  
A drill bit may include a bit body, comprising: at its upper end, a connection adapted to connect to a drill string; at its lower end, a plurality of journals extending downwardly and radially...
US20130228382 INNER GAUGE RING DRILL BIT  
A drill bit comprises a plurality of annular blades coupled to a bit body. A plurality of gauge pads is coupled to the bit body and defines an outer cutting diameter. A circumferentially...
US20150090501 ROLLER CUTTER DRILL BIT WITH MIXED BEARING TYPES  
A roller cutter drill bit with mixed bearing types includes a bit body with at least one journal facet and a cavity facet. A cavity extends into the bit body from the cavity facet. The bit body is...
US20100206635 Tunneling Apparatus Including Vacuum and Method of Use  
The present disclosure relates to a tunneling apparatus including a pipe string having a distal end and a proximal end. The pipe string includes a plurality of pipe-sections connected end-to end....
US20130140094 ROLLING CUTTER USING PIN, BALL OR EXTRUSION ON THE BIT BODY AS ATTACHMENT METHODS  
A drill bit has a bit body, a plurality of blades extending radially from the bit body, wherein each blade comprises a leading face and a trailing face, a plurality of cutter pockets disposed on...
US20140353046 HYBRID BIT WITH ROLLER CONES NEAR THE BIT AXIS  
A drill bit includes a bit body having a longitudinal axis extending there through, a plurality of journals extending downward and radially outward from the bit body, each journal having a journal...
US20160177215 HIGH-TEMPERATURE LUBRICANTS COMPRISING ELONGATED CARBON NANOPARTICLES FOR USE IN SUBTERRANEAN FORMATION OPERATIONS  
An embodiment disclosed herein provides a high-temperature lubricant comprising an oil-soluble lubricating base fluid or a water-soluble lubricating base fluid; and elongated carbon nanoparticles...
US20160123084 DRILL BIT  
A drill bit including: a main body portion including three legs extending therefrom, the three legs arranged around a periphery of the main body portion; a conical cutter rotatably mounted on each...
US20160108681 Hybrid Rolling Cone Drill Bits and Methods for Manufacturing Same  
A rolling cone drill bit for drilling a borehole in earthen formations includes a bit body having a bit axis. In addition, the rolling cone drill bit includes a rolling cone cutter mounted on the...
US20160010022 HIGH-TEMPERATURE LUBRICANTS COMPRISING ELONGATED CARBON NANOPARTICLES FOR USE IN SUBTERRANEAN FORMATION OPERATIONS  
An embodiment disclosed herein provides a high-temperature lubricant comprising an oil-soluble lubricating base fluid or a water-soluble lubricating base fluid; and elongated carbon nanoparticles...
US20150322723 HARD-ROCK CORE BARREL ROLLER CUTTER ASSEMBLY  
The present invention provides a hard-rock core barrel roller cutter assembly, which comprises a roller cutter and a saddle. The roller cutter comprises a base portion for operating, and a...
US20150299514 INDUSTRIAL TOOLS WITH THERMOSET COATING  
A method for applying a coating to a surface of an industrial tool includes applying a coating including a thermosetting polymer to a metallic surface of the industrial tool. The coating is cured...

Matches 1 - 46 out of 46