Matches 1 - 50 out of 106 1 2 3 >


Match Document Document Title
US20130014998 DOWNHOLE CUTTING TOOL AND METHOD  
A downhole cutting tool includes a base including a first consolidated powder; and at least one cutting feature affixed to the base, the at least one cutting feature including a cutting material...
US20100098500 DRILLING TOOL, A SELF-DRILLING ROCK BOLT, A DRILL BIT, AN ANCHORING DEVICE FOR A SELF-DRILLING ROCK BOLT, A SHAFT FOR A DRILLING TOOL AND AN END COUPLING FOR A DRILLING TOOL  
A drilling tool (10) incorporating first and second ends, a shaft (13, 90) extending between the ends. The first end has a drill bit (15) to penetrate rock. The drill hit and the shaft have...
US20120138301 Controllably Installed Multilateral Completions Assembly  
A multilateral completions assembly having selectively isolated lateral legs during hardware installation. The assembly includes a variety of isolation sleeves disposed interior of the main bore...
US20140190748 DRILLING DEVICE AND PROCESS  
A plurality of cutting faces is attached sequentially at a distal end of a drill string. The forward most cutting face that is distal to the top of the hole is exposed and used for drilling until...
US20130326964 DRILLING OR ABRADING TOOL HAVING A WORKING SURFACE WITH AN ARRAY OF BLIND APERTURES PLUGGED WITH SUPER-ABRASIVE MATERIAL  
A substrate includes a surface having blind apertures formed therein. The blind apertures formed in the surface are preferably arranged in a regular and repeating pattern, such as with an array. A...
US20130341100 Modular cutting-teeth drill bit with controllable drilling specific pressure  
A modular cutting-teeth drill bit with controllable drilling specific pressure comprises a module (1), a modular unit (2), a bit body (3), conventional cutting teeth (4) and a nozzle (5)....
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...
US20090283325 Polycrystalline Diamond Compact Drill Bit Blade Design and Nozzle Placement  
A rotary drag bit for use in subterranean earth boring operations, the drag bit having blades, rows of cutters on the blades, and nozzles disposed within the rows. The nozzles are configured to...
US20090320584 ROTARY DRILL BITS AND SYSTEMS FOR INSPECTING ROTARY DRILL BITS  
A method for conducting nondestructive internal inspection of a rotary drill bit used for drilling subterranean formations comprises communicating ultrasonic waves into a drill bit and detecting...
US20110079439 METHOD AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS  
The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place...
US20140311808 EXCAVATION TOOL  
In an excavation tool of the present invention, an embedding hole is drilled in a distal end portion of a tool body which is rotated about an axis line O and is moved forward to a distal end side...
US20080035380 Pointed Diamond Working Ends on a Shear Bit  
In one aspect of the present invention, a drill string has a drill bit with a body intermediate a shank and a working face. The working face has a plurality of blades converging at a center of the...
US20080142271 METHODS OF DESIGNING ROTARY DRILL BITS INCLUDING AT LEAST ONE SUBSTANTIALLY HELICALLY EXTENDING FEATURE  
A method of designing a rotary drill bit includes selecting and positioning a plurality of cutting elements on a rotary drill bit. At least one substantially helically extending feature is...
US20080121433 Detritus flow management features for drag bit cutters and bits so equipped  
Rock detritus created by a drag bit cutter shearing subterranean formation material may flow under the cutter and attach itself to the side surface of the cutter barrel by differential...
US20080040084 METHOD OF SELECTING DRILL BITS  
A method for selecting at least one drill bit that includes characterizing an application; checking for at least one drill bit with an equivalent characterization in a data store; when the at...
US20150197992 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...
US20140182947 CUTTING INSERT FOR PERCUSSION DRILL BIT  
A cutting insert for a percussion hammer bit. The cutting insert includes a base portion for coupling to a bit face of the percussion hammer bit. An extension portion is coupled to the base...
US20070215388 Downhole Apparatus for Mobilising Drill Cuttings  
Apparatus for mobilising drill cuttings in a well, comprising at least one vane (12), and two or more blades (15). The two or more blades (15) define at least one fluid conduit between adjacent...
US20140166305 MILLING CUTTER HAVING UNDULATING CHIP BREAKER  
A cutting element includes a front face and leading face extending between a first and second sides. A leading cutting edge is located at an intersection of the front face and the leading face,...
US20140262535 BORING BIT AND METHOD OF MANUFACTURE  
A boring bit has a shank, a head and teeth distributed around the head. The teeth have a root embedded within the head's core body, a tip extending out of the head, and a narrowing region between...
US20090166091 DRILL BIT AND DESIGN METHOD FOR OPTIMIZING DISTRIBUTION OF INDIVIDUAL CUTTER FORCES, TORQUE, WORK, OR POWER  
A design process and resulting bit structure is provided for drill bits wherein cutter geometries on the face of the bit are tailored to optimize the distribution of one or more of forces, torque,...
US20150197990 DRILL BITS AND DRILLING APPARATUSES INCLUDING THE SAME  
A roof-bolt drill bit has a bit body rotatable about a central axis and at least one coupling pocket defined in the bit body. At least one coupling pocket is defined in the bit body, the at least...
US20070131456 Bit for drilling a hole  
A bit for drilling a hole. The bit includes a support member, the support member having a passageway extending substantially longitudinally therethrough; a substantially annular crown defining a...
US20070269274 Rock Bolt  
A rock bolt (10) comprising first and second elongate members (11, 12) is disclosed. The first elongate member comprises a first end (13) adapted to penetrate rock, and a second end (14) adapted...
US20130228378 SYSTEM AND METHOD OF CONSTANT DEPTH OF CUT CONTROL OF DRILLING TOOLS  
In accordance with some embodiments of the present disclosure, a method of configuring a depth of cut controller (DOCC) of a drill bit comprises determining a first desired depth of cut for a...
US20110155471 DRIVE PIN SUPPORT  
A chuck assembly, an assembly for an earth-boring drill assembly, and a method of manufacturing a chuck assembly. In the assembly, a first portion of the chuck bore may have a minimum inner...
US20140291033 METHODOLOGIES FOR MANUFACTURING SHORT MATRIX BITS  
A downhole tool and method for manufacturing such downhole tool. The downhole tool includes a bit body having a blank and a matrix bonded to and surrounding the blank, a shank having a threaded...
US20130253836 SYSTEM AND METHOD OF CONFIGURING DRILLING TOOLS UTILIZING A CRITICAL DEPTH OF CUT CONTROL CURVE  
According to some embodiments of the present disclosure, a method of determining a critical depth of cut of a drill bit comprises selecting a radial swath associated with an area of a bit face of...
US20080115974 Steerable drilling system  
A steerable drilling system comprises a rotary drill bit 14 secured to a housing 16, a secondary rotary drill component 22 carried by the housing and rotatable therewith, the second rotary drill...
US20070256867 Releasable mill  
A mill assembly having a milling head which is releasable from the mill body, such as by shifting a ball clutch mechanism. The ball clutch mechanism can be shifted by dropping a pumpable plug...
US20100018776 CUTTING BIT FOR MINING AND EXCAVATING TOOLS  
A wear-resistant cutting bit for use on a mining or excavating cutting tool is disclosed. The cutting bit utilizes a hardened insert having a narrow base attached to the remainder of the cutting...
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...
US20100126775 HELICAL CHISEL INSERT FOR ROCK BITS  
An insert for an earth boring drill bit, such as a PDC rock bit or a roller cone rock bit, is provided. The insert includes a base integrally joined to a top section, the top section having a...
US20090114453 EARTH-BORING TOOLS WITH PRIMARY AND SECONDARY BLADES, METHODS OF FORMING AND DESIGNING SUCH EARTH-BORING TOOLS  
Earth-boring tools comprise a body including a face at a leading end thereof and a shank at a trailing end. At least one primary blade may extend radially outward over the face and may comprise a...
US20090283334 IMPREGNATED DRILL BIT  
A drill bit that includes a body having a lower end face for engaging a rock formation, the end face having a plurality of raised ribs extending from the face of the bit body and separated by a...
US20120298355 Logging While Pulling  
The disclosure includes a system, method, and tool for logging while pulling. The disclosed system includes a tool and a bottom hole assembly, and the tool engages with the bottom hole assembly....
US20090090556 Methods and Systems to Predict Rotary Drill Bit Walk and to Design Rotary Drill Bits and Other Downhole Tools  
Methods and systems may be provided to simulate forming a wide variety of directional wellbores including wellbores with variable tilt rates, relatively constant tilt rates, wellbores with uniform...
US20140093316 Method For Injecting Surface Water Into The Ground  
A method and pumping/drainage channel member for injecting surface water into the soil beneath a ground area includes drilling a series of holes and inserting an elongated pumping/drainage members...
US20150240146 DOWNHOLE TOOLS HAVING HYDROPHOBIC WEAR AND EROSION RESISTANT COATINGS, AND METHODS OF MANUFACTURING SUCH TOOLS  
Downhole tools for use in wellbores include a layer of material over a body, wherein the layer is relatively more hydrophobic at higher temperatures and pressures, such as those encountered...
US20100044114 EARTH-BORING BITS AND OTHER PARTS INCLUDING CEMENTED CARBIDE  
An article of manufacture includes a cemented carbide piece, and a joining phase that binds the cemented carbide piece into the article. The joining phase includes inorganic particles and a matrix...
US20130192902 Drill Bit  
A drill bit features a head portion and a connecting portion for attachment to a drilling device. The head portion includes at least two insert pockets, which can contain inserts, with cutting...
US20090084606 DRILL BITS AND TOOLS FOR SUBTERRANEAN DRILLING  
A drill bit that includes a boss extending rotationally forward of at least one blade thereof in a gage region of a bit body for increasing stability and reducing impact shock caused by a lateral...
US20130233621 SYSTEM AND METHOD OF CONSTANT DEPTH OF CUT CONTROL OF DRILLING TOOLS  
According to some embodiments of the present disclosure, a method of configuring a blade of a drill bit comprises determining a first desired depth of cut for a first radial swath associated with...
US20110253454 MECHANICALLY MODIFIED FILTER CAKE  
A down hole tool including a compression surface, a compression surface axis, and at least one support member configured to attach the compression surface to a well drilling tool assembly, wherein...
US20140116782 METHOD AND APPARATUS FOR SHAPING A WELL HOLE  
A method of shaping a wellbore comprising attaching a drilling apparatus to a drill string, which has a side cutting sub-assembly with both cutting and gauging surfaces; a fluid circulating...
US20110186354 METHODS OF ATTACHING A SHANK TO A BODY OF AN EARTH-BORING TOOL INCLUDING A LOAD BEARING JOINT AND TOOLS FORMED BY SUCH METHODS  
Earth-boring rotary drill bits including a bit body attached to a shank assembly at a joint. In some embodiments, the joint may be configured to carry at least a portion of any tensile...
US20090003940 System And Method For Mine Roof Counter Bore And Cable Bolt Head Securement Therein  
A mine roof support includes a plate having a raised portion with an opening, and a mine and roof bolt, e.g. a barrel having a drive end and an opposite second end, and wedge assembly. The plate...
US20140284113 METHODS OF ATTACHING A SHANK TO A BODY OF AN EARTH-BORING TOOL INCLUDING A LOAD-BEARING JOINT AND TOOLS FORMED BY SUCH METHODS  
Earth-boring rotary drill bits may include a bit body attached to a shank assembly at a joint. The joint may be configured to carry at least a portion of any tensile longitudinal and rotational...
US20120031672 Apparatus and Methods for Real Time Communication in Drill Strings  
A drill pipe made according to one embodiment includes a number of serially connected tubulars with a communication device placed between the connecting ends of the tubulars, wherein the...
US20140102798 STABILIZING MEMBERS FOR FIXED CUTTER DRILL BIT  
A drill bit for drilling a borehole in an earthen formation. In an embodiment, the bit comprises a first blade having a cutter-supporting surface. In addition, the bit comprises a plurality of...

Matches 1 - 50 out of 106 1 2 3 >