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Boring or penetrating the earth October categorized by USPTO classification 10/11

20110259639 - Downhole axial flux generator: A downhole tool string component comprises a bore to receive a flow of drilling fluid comprising a central passage and at least one peripheral passage. A compliant member is disposed within the bore and forms an internal diameter of the central passage, and at least one opening. The at least... Agent:

20110259640 - Pivoting pipe handler for tender assisted drilling rigs: A pivoting pipe handler for tender assisted drilling rigs is provided that includes a main support structure configured for attaching to a drilling rig at an angle between a drilling rig floor at an upper and a lower platform adjacent thereto. The pipe handler includes a V-door that is pivotally... Agent:

20110259641 - Apparatus and method for modifying the sidewalls of a borehole: The present invention concerns an apparatus (1) for modifying sidewalls of a borehole. The apparatus includes a longitudinal housing (2) adapted to fit inside the borehole. The housing includes a first end portion (11), a second end portion (12), and a side portion (13) between said end portions (11, 12),... Agent: Sinvent As

20110259643 - Casing and liner drilling shoes having spiral blade configurations, and related methods: A casing bit, which may comprise a composite structure, for drilling a casing section into a subterranean formation, and which may include a portion configured to be drilled therethrough, is disclosed. Cutting elements and methods of use are disclosed. Adhesive, solder, electrically disbonding material, and braze affixation of a cutting... Agent: Baker Hughes Incorporated

20110259642 - Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods: Cutting elements, earth-boring drill bits having such cutting elements and related methods are described herein. In some embodiments, a cutting element for an earth-boring tool may include a diamond table having an indentation in a cutting face thereof and a shaped feature in a substrate at the interface between the... Agent: Baker Hughes Incorporated

20110259644 - Curved structural pipe shoe: A system for orienting a drill bit prior to drilling into a formation, comprising a first pipe having an inside pipe diameter, the first pipe being positioned in a hole in the formation, and a curved shoe positioned in said first pipe at a desired orientation, said curved shoe including... Agent: Shell Oil Company

20110259645 - Rotary steerable tool: A rotary steerable tool is provided for use with a drilling apparatus. The rotary steerable tool includes at least a first portion that includes an outer housing, a rotary shaft extending through the outer housing, a drive clutch coupled to the rotary shaft, and a sensor coupled to the rotary... Agent:

20110259646 - Disc cutter for an earth boring system: Another aspect of the present invention comprises a method of forming a disc cutter including providing a can of a generally cylindrical shape with a central axis, positioning a column of disposable material, carbide, and crystalline grains in such a manner so when put under high temperature and high pressure... Agent:

20110259647 - Systems for manufacturing downhole tools and downhole tool parts: Methods, systems and compositions for manufacturing downhole tools and downhole tool parts for drilling subterranean material are disclosed. A model having an external peripheral shape of a downhole tool or tool part is fabricated. Mold material is applied to the external periphery of the model. The mold material is permitted... Agent: Baker Hughes Incorporated

20110259649 - 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, work, or power of each cutter relative to other cutters. Balanced are the forces, torque, work,... Agent:

20110259648 - Polycrystalline diamond compact and method of making same: A polycrystalline diamond compact includes a substrate and a polycrystalline diamond table attached to the substrate. The polycrystalline diamond table includes an upper surface and at least one peripheral surface. Diamond grains of the polycrystalline diamond table define a plurality of interstitial regions. The polycrystalline diamond table includes a region... Agent: Us Synthetic Corporation

20110259650 - Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements: In one aspect of the invention, a fixed bladed drill 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. Each blade comprises a plurality of pointed cutting elements and another plurality of shearing... Agent:

20110253445 - System and method for managing heave pressure from a floating rig: A system compensates for heave induced pressure fluctuations on a floating rig when a drill string or tubular is lifted off bottom and suspended on the rig, such as when tubular connections are made during MPD, tripping, or when a kick is circulated out during conventional drilling. In one embodiment,... Agent: Weatherford/lamb, Inc.

20110253446 - Apparatus and methods for estimating tool inclination using bit-based gamma ray sensors: A drill bit made according to one embodiment may include a bit body having a longitudinal axis, a plurality of gamma sensors placed in the bit body, at least two gamma ray sensors in the plurality of sensors are spaced-apart from each other along the longitudinal axis of the bit... Agent: Baker Hughes Incorporated

20110253447 - Multiple distributed force measurements: Methods, computer programs, and systems for detecting at least one downhole condition are disclosed. Forces are measured at a plurality of locations along the drillstring. The drillstring includes a drillpipe. At least one of the forces is measured along the drillpipe. At least one downhole condition is detected based, at... Agent:

20110253448 - Formation evaluation using a bit-based active radiation source and a gamma ray detector: A drill bit made according to one embodiment includes a source configured to induce radiation into a formation during drilling of a wellbore and a sensor in the drill bit configured to detect radiation from the formation responsive to the radiation induced by the source. The drill bit may further... Agent: Baker Hughes Incorporated

20110253449 - Methods of preloading a sonic drill head and methods of drilling using the same: A drill head assembly includes a shaft having a shaft axis, an oscillator assembly operatively associated with the shaft, the oscillator assembly having at least one eccentrically weighted rotor configured to rotate about a pivot point to generate an oscillating vibratory force, wherein an oscillation centerline is defined transverse to... Agent: Longyear Tm, Inc.

20110253451 - Borehole impact rock breaker: A device used to break rock from within a predrilled borehole through the use of impact pins which strike against the interior sides of a drilled hole. The device is loaded into a drilled hole and then activated by a percussive hammer located above the hole, providing percussive energy to... Agent:

20110253450 - Cutting device for producing vertically running trenches in the ground: The invention relates to a cutting device for producing vertically running trenches in the ground, comprising a trench wall cutter which has a cutting frame, a first cutting wheel arrangement and a second cutting wheel arrangement, whereby the cutting wheel arrangements are arranged adjacent to each other on the underside... Agent: Bauer Maschinen Gmbh

20110253452 - Coring apparatus and methods: A coring apparatus is provided, which apparatus, in one exemplary embodiment, includes a rotatable member coupled to a drill bit configured to drill a core from a formation, a substantially non-rotatable member in the rotatable member configured to receive the core from the formation, and a sensor configured to provide... Agent: Baker Hughes Incorporated

20110253453 - Coiled tubing orienter tool with differential lead screw drive: A technique facilitates control over the orientation of a bottom hole assembly. The bottom hole assembly comprises an orienting tool having a dual-spline drive which, in turn, comprises a first lead screw portion and a second lead screw portion having threads of a first pitch and a second pitch, respectively.... Agent:

20110253454 - 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 the extendable support member is extendable by an extension force provided to the support member. The down hole tool... Agent: M-i L.L.C.

20110253455 - Permanent magnet direct drive top drive: A drive system (40) for a drilling has a housing (42) with an interior chamber (60), a stator (62) positioned within the interior chamber (60), a rotor (64) positioned in interior of the stator (62) and within in the interior chamber (60) of the housing (42), and a drive plate... Agent:

20110253456 - Reverse circulation hammer with modular bit: Embodiments provide apparatuses and methods for excavation and drilling, particularly reverse circulation hammers and bits. Reverse circulation hammers and bits manufactured in accordance with various embodiments may help to prevent fatigue and breaking of the bit during a drilling operation, may prevent clogging of return holes, may provide higher efficiency... Agent:

20110253457 - Drag bit with utility blades: A drill bit is disclosed herein, the drill bit having a bit body, a plurality of cutting blades extending radially from the bit body and having cutting elements disposed thereon, the plurality of cutting blades forming a cutting blade gage pad diameter configured to contact a formation, and a plurality... Agent: Smith International, Inc.

20110253458 - Percussion hammer bit retention system: A percussion hammer bit retention system including a retainer having at least three (3) tabs, a hammer bit having first and second elevated surfaces that each define pathways and slot openings for rotational receipt of the tabs, and a custom chuck further including slot openings for receipt of the tabs.... Agent:

20110253460 - Blade-type drill bit: The invention relates to rock destruction tools used for drilling oil and gas wells, especially for drilling slant and horizontal wells and formations having alternating layers of different hardness. The technical effect consist in improved steerability of the drilling bit and higher vibration resistance of polycrystalline diamond cutters (PDC) bit... Agent: Ooo Npp "burintekh"

20110253459 - Polycrystalline diamond composite compact element, tools incorporating same and method for making same: The invention relates to a PCD composite compact element comprising a PCD structure integrally bonded at an interface to a cemented carbide substrate; the PCD structure comprising coherently bonded diamond grains having a mean size no greater than 15 microns; the cemented carbide substrate comprising carbide particles dispersed in a... Agent:

20110247878 - Expansion and sensing tool: An expansion and sensing tool (50) comprising a tool body, cutter blocks and sensors with means for attachment to a drilling support and rotation which permits simultaneous underreaming and measurement of the diameter of a wellbore (40) drilled by an oil and gas rig (10) and characterized by radially extendable... Agent:

20110247879 - Apparatus and methods for detecting gases during coring operations: A method for detecting the presence of an acid gas in a formation fluid from a subterranean formation comprises (a) lowering a coring assembly into a wellbore. The coring assembly including an outer core barrel and an inner core barrel disposed within the outer core barrel. The inner core barrel... Agent: Bp Corporation North America Inc.

20110247880 - Alignment assembly, drilling systems and methods: An alignment assembly includes a shaft, a first gripper coupled to the shaft, and a second gripper coupled to the shaft. The first gripper includes a fixed gripper body and a first rotating gripper body rotatingly coupled to the fixed gripper body. The second gripper may include a second rotating... Agent: Longyear Tm, Inc.

20110247881 - Intelligent controlled process for well lateral coring: A system for coring an underground formation surrounding a borehole, comprising: a tool body that can be positioned in the borehole near the formation to be cored, the tool body including a motor; a rotary drive head connected to the motor; a rotary tool connected to the rotary drive head... Agent:

20110247882 - Exhaust port in a protruding element of a downhole drill bit: In one aspect of the present invention, a drill bit comprises an axis of rotation and a drill bit body that comprises a central bore and a working face, the working face comprising a plurality of fixed element cutting elements, a jack element extending from the working face and being... Agent:

20110240364 - Acoustic measurements while using a coring tool: Embodiments disclosed herein relate to one or more embodiments and methods to make downhole measurements. Embodiments disclosed herein relate to one or more embodiments and methods to measure the movement generated by a coring tool. The methods and embodiments include disposing a coring tool in a wellbore, coupling a first... Agent:

20110240365 - Internal liquid measurement and monitoring system for a three phase separator: The internal liquid measurement and monitoring system for a three phase separator allows the user to accurately and reliably calculate the volumetric flow rate of the liquids exiting the three phase separator. A differential pressure device is attached to where the extension fitting of each liquid inside of the three... Agent:

20110240366 - Inner bit disposed within an outer bit: In one aspect of the present invention, a drill bit assembly for downhole drilling comprises an outer bit comprising a central axis and an outer cutting area and an inner bit disposed within the outer bit and comprising an inner cutting area. The outer bit comprises a first plurality of... Agent:

20110240367 - Milling tool for establishing openings in wellbore obstructions: A milling tool which includes a nose cutting portion, a cutting section having a plurality of hardened cutters and a shaft portion. A wear pad is disposed on the cutting section and shaft portion. Upon the shaft portion, the wear pad extends radially outwardly to an engagement diameter that exceeds... Agent: Baker Hughes Incorporated

20110240368 - Bending of a shaft of a steerable borehole drilling tool: In certain embodiments, a steerable drilling tool is provided including a rotatable shaft extending through a housing where the shaft and the housing are separated by at least one bearing or two sets of bearings, the shaft having a first portion terminating at a first end of the shaft and... Agent: Gyrodata, Incorporated

20110240369 - Downhole steerable hammer element: In one aspect of the present invention, a drill bit has an axis of rotation and drill bit body intermediate a threaded end and a working face. The drill bit body houses a jack element protruding from the drill bit body and the jack element has a plurality of inserts... Agent:

20110240370 - Drilling motor with a locking collet sleeve stabilizer: A threaded sleeve stabilizer spans an upper stator connection in a mud driven drilling motor used for borehole drilling. A number of collets are loaded in compression between the stator and the housing of the motor, and are held in compression by a threaded connection.... Agent: National Oilwell Varco, L.p.

20110240371 - Drilling station: In accordance with the invention, a drilling station or drilling rig, respectively, is provided for use on a drilling platform with a drilling mast, characterized in that the drilling mast and/or the energy supply and/or the generating device for hydraulic energy is/are composed of individual elements, the respective masses of... Agent:

20110240372 - Article of manufacture having a sub-surface friction stir welded channel: A method for routing an electrical conductor through a sub-surface channel in substantially any suitable metallic article of manufacture includes friction stir welding a cap in a groove formed in a surface of the article so as to form the sub-surface channel. An electrical conductor is then routed through the... Agent: Smith International, Inc.

20110240373 - Down-the-hole drill hammer having an extendable drill bit assembly: A down-the-hole drill hammer assembly includes a casing, a drill stem, a drilling lug segment and a pilot drill bit is provided. The drill stem is housed within the casing and includes an abutment surface. The drilling lug segment is slidably engaged with a distal end of the drill stem... Agent: Center Rock, Inc.

20110240374 - Downhole tool having a friction stirred surface region: A method for hardening a portion of the outer surface of a downhole tool body includes friction stirring the vulnerable surface of the tool. Such friction stirring generally includes rotating a friction stir weld tool in contact with the surface until a portion of the tool penetrates the tool. The... Agent: Smith International, Inc.

20110240375 - Downhole apparatus: A double-acting compounder is disclosed, comprising: an outer housing; an inner mandrel at least partially disposed telescopically within the outer housing to define a fluid chamber between the inner mandrel and the outer housing, the fluid chamber containing fluid and being sealed at an uphole end and a downhole end;... Agent: Lee Oilfield Service Ltd.

20110240376 - Multilevel force balanced downhole drilling tools and methods: Various downhole drilling tools designed and manufactured at least in part on evaluating respective forces acting on respective groups and sets of cutting elements during simulated engagement with the downhole end of a wellbore and drilling from a first downhole formation into a second downhole formation. Simulating forces acting on... Agent:

20110240377 - Drill bit jack element with a plurality of inserts: In one aspect of the present invention, a drill bit has an axis of rotation and drill bit body intermediate a threaded end and a working face. The drill bit body houses a jack element protruding from the drill bit body and the jack element has a plurality of inserts... Agent:

20110240378 - Tapered blade profile on an outer bit: In one aspect of the present invention, a drill bit assembly is configured for downhole drilling. The drill bit assembly comprises an outer bit with a plurality of outer blades and a bore disposed within an outer cutting face. In addition, the outer bit comprises a rotational axis. The drill... Agent: