REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Boring Or Penetrating The Earth > Processes ProcessesProcesses patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/17/08 - 20080011516 - Method for casing drilling, drilling unit and adapter device A method for casing drilling, a drilling unit and an adapter device. The adapter device to be used in extension drill equipment drilling comprises an inner piece which can be rotated by the rotation device of the rock drilling machine. Around the inner piece, there is an outer piece which ... 01/10/08 - 20080006445 - Method and apparatus for movement of drilling equipment between adjacent locations An apparatus and method for the movement of drilling equipment between topographically adjacent drilling locations comprises positioning a transportable planar surface over the adjacent drilling locations between which it is desired to move the equipment. Ports or other access areas extending through the planar surface to the drilling locations below ... 11/22/07 - 20070267221 - Methods and apparatus for drilling with casing In one embodiment, a method of forming a wellbore includes running a liner drilling assembly into the wellbore, the liner drilling assembly having a liner, a conveying member, one or more connection members, and a drilling member. The method includes temporarily suspending the liner at a location below the rig ... 11/15/07 - 20070261885 - Percussion bit drill drive collar with retention mechanism A drive collar is disclosed for use in a percussion drilling apparatus of the type for boring into the earth. Embodiments of the drive collar include a generally tubular, one-piece body further having an inner surface, an outer surface, a first end and a second end. Embodiments further include a ... 11/08/07 - 20070256864 - Downhole swivel apparatus and method What is provided is a method and apparatus wherein a swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in two stages, such as while the drill string is being ... 11/01/07 - 20070251728 - Automated arm for positioning of drilling tools such as an iron roughneck The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or at mouse holes. A self-balanced, ... 11/01/07 - 20070251727 - Reamer bit A drill steel includes a drill bit and a reamer bit. The drill steel rotates the drill bit to form a hole in a work surface and drives forward to insert the reamer bit into the hole. The reamer bit includes a plurality of inserts positioned on a cylindrical drilling ... 10/18/07 - 20070240906 - Tapered reamer bit A tapered reamer bit which achieves a reaming function at least in part by tension fracturing a geographic formation such that the resulting fragments of the formation are forced upward and/or backward and without relying on multiple rotatably positionable cylinders disposed on the reamer bit. Because of the tooth placement ... 10/18/07 - 20070240905 - Drill bit with multiple cutter geometries A drill bit has cutting elements with multiple cutting surface geometries that are positioned so that their cutting profiles overlap, but do not completely contain or engulf one another. The different cutting surface geometries and the specific overlap create a zone of high density in the middle regions of the ... 10/04/07 - 20070227778 - Methods for the installation of earth anchors An adapter attachment for an auger which includes an connecting shaft sized and shaped to be attached to the pilot bit hole present in the end of an auger, after the removal of pilot bit. The adapter also includes a bolt flange for connection to a foundation anchor installation plate/tool ... 10/04/07 - 20070227777 - Down-the-hole hammer with pilot and method of enlarging a hole A down-the-hole hammer includes a piston movably disposed in a casing and a percussion bit at an end of the casing. The percussion bit includes an integral bit and shank and a pilot removably fastened at a forward end of the bit. A method of enlarging a preexisting hole is ... 08/23/07 - 20070193780 - Drilling device and method for producing undercut holes A drilling device for producing undercut holes. The drilling device includes a drilling tool having an axis of rotation and a cutting portion arranged such that the cutting portion drills a hole with a longitudinal axis that is radially offset with respect to said axis of rotation and a centering ... 08/23/07 - 20070193778 - Methods and apparatus for drilling open hole Methods of drilling open hole and apparatus for achieving same are described. One apparatus comprises a pressure control component strategically positionable in or above a wellbore to isolate downhole pressure while drilling open hole, the pressure control component comprising a rotational drive member effective to rotate a tubular member while ... 08/16/07 - 20070187149 - Drill bit A drill bit is made from a shank, lid and blades. Junk slots with higher resistance to flow are provided to force drilling fluid between cutters on adjacent blades to improve cleaning. Blades are canted back, and openings at a high angle are provided to further enhance cleaning. The use ... 08/09/07 - 20070181342 - Hole coring system A hole coring system is provided that greatly stabilizes a tubular core drill bit for drilling into concrete or other materials enabling large diameter holes to be drilled with a handheld tool. The hole coring assembly includes a hollow drive shaft assembly that fits over a stationary mandrel that is ... 07/19/07 - 20070163809 - Drilling and hole enlargement device An expandable drilling apparatus includes a main body comprising a central bore and at least one axial recess configured to receive an arm assembly operable between a retracted position and an extended position, a biasing member to urge the arm assembly into the retracted position, a drive position configured to ... 07/19/07 - 20070163808 - Drilling and hole enlargement device An expandable drilling apparatus is deployed upon a distal end of a drillstring and includes a cutting head and a substantially tubular main body adjacent the cutting head providing a plurality of axial recesses configured to receive arm assemblies configured to translate between a retracted and an extended position. A ... 06/28/07 - 20070144784 - Method for drilling and lining a wellbore A method of drilling a second wellbore section (12) from a first wellbore section (10) that is lined with a tubular liner (11) using a remotely controlled electrically powered drilling assembly that is suspended from a cable (1) and of periodically interrupting the drilling operation to extend the tubular liner ... 06/21/07 - 20070137895 - Percussion drill bit with v-shaped splines A drill bit is disclosed for use in a percussion drilling apparatus of the type for boring into the earth. Embodiments of the drill bit comprise an elongate body with a first end, a second end, and a longitudinal surface extending between the first and second ends. Embodiments further comprise ... 05/31/07 - 20070119625 - Roof drilling system improvements The invention is embodied in a heavy duty drill bit for hard/soft rock drilling comprising a high fatigue-resistant, high alloy steel bit body having a PCD cutter member and an enlarged shank portion constructed to accommodate torsional forces at high thrust pressures, and reamer means for compensating the effect of ... 05/31/07 - 20070119624 - Roof drilling improvements The invention is embodied in a heavy duty drill bit for hard/soft rock drilling comprising a high fatigue resistant, high alloy steel bit body having a PCD cutter element of super hard material and an enlarged shank portion constructed to accommodate torsional forces at high thrust pressures, and reamer means ... 05/24/07 - 20070114064 - Hydraulic drill bit assembly In one aspect of the present invention a drill bit assembly has a body portion intermediate a shank portion and a working portion. The working portion has at least one cutting element and the body portion has at least a portion of a jackleg apparatus. The jackleg apparatus has at ... 05/24/07 - 20070114063 - Mud depression tool and process for drilling A downhole tool is coupled to a drill bit and having an expandable packer for reversibly isolating the bottom hole in a wellbore so that when fluid is circulated through a jet pump in the tool, a local depression of fluid pressure is formed at the drill bit. The tool ... 05/17/07 - 20070107942 - Hardfacing materials with highly conforming properties An earth-boring bit, and a method of increasing the durability of the same, which includes the step providing a pliable sheet of a hardfacing matrix material. The pliable sheet of hardfacing material has a nickel and chromium matrix combined with a first element. The first element is selected from a ... 05/17/07 - 20070107941 - Extended reach drilling apparatus & method A method for drilling a well in a formation including inserting a thruster, a first conduit, and a drill bit into a wellbore lined with a previous casing and applying a force to the first conduit with the thruster so that the thruster grips onto the previous casing. ... 05/17/07 - 20070107940 - Drill bit lubricant utilizing a sulfur-phosphorous ep agent A lubricant is shown and described. The lubricant includes about 1 to 15 weight percent of a sulfur-phosphorus extreme pressure agent, about 5 to 40 weight percent of a thickener, preferably a metal-complex soap, and a basestock. The basestock may be a mineral oil, a synthetic oil, or a combination ... 05/03/07 - 20070095574 - Drill bit with protection member A method is provided for removing a body of selected material from the interior of a casing extending into a borehole formed in an earth formation. The method comprises lowering a drill bit for further drilling of the borehole, into the casing, the drill bit having a longitudinal axis of ... 05/03/07 - 20070095573 - Pressure controlled downhole operations A method and apparatus for temporarily increasing fluid pressure at a specific location in a work string to perform an operation in an oil or gas well bore. Apparatus is provided which, in a first position provides fluid flow through the work string; in a second position provides the desired ... 04/26/07 - 20070089909 - 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 ... 04/26/07 - 20070089908 - Secondary retainer for a downhole hammer bit A bit retainer system is disclosed. The bit retainer system includes a bit having a head and a shank, a driver sub disposed around the shank of the bit and adapted to engage a hammer case, a bit retainer disposed around the shank of the bit and abutting an upper ... 04/26/07 - 20070089907 - Method and system for controlling power consumption during a rock drilling process and a rock drilling apparatus therefore Method for controlling power consumption during a rock drilling process with a rock drilling apparatus, wherein the rock drilling apparatus includes main power supply means for supplying power for the rock drilling process, which includes at least the sub-processes of percussion and/or rotation and flushing, the method comprising the steps ... 04/12/07 - 20070079991 - Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element A rotary drill bit for drilling a subterranean formation may comprise a bit body, a cutting element coupled to the bit body, and a torque-generating assembly configured to apply torque, either continuously or periodically, to the cutting element. The torque-generating assembly may be powered by the rotary motion of the ... 04/12/07 - 20070079990 - System, method, and apparatus for accessing outlets in a two-stage diverter spool assembly A wellhead system diverter spool contains an internal sleeve that can be axially shifted internal to the spool with a handling tool. The sleeve permits access to outlets in the spool when required. When higher pressures are required, the internal sleeve is shifted downward to close off access to the ... 04/05/07 - 20070074908 - Method and apparatus for supporting a downhole component in a downhole drilling tool An apparatus for supporting a retrievable downhole component within a drill collar of a downhole drilling tool deployed from a rig into a wellbore penetrating a subterranean formation is provided. The apparatus includes a sleeve that is positionable about the downhole component and is within said drill collar. The sleeve ... 03/29/07 - 20070068705 - Apparatus and method to reduce fluid pressure in a wellbore The present invention generally provides apparatus and methods for reducing the pressure of a circulating fluid in a wellbore. In one aspect of the invention an ECD (equivalent circulation density) reduction tool provides a means for drilling extended reach deep (ERD) wells with heavyweight drilling fluids by minimizing the effect ... 03/29/07 - 20070068704 - Active buttonhole pressure control with liner drilling and completion systems One exemplary APD Device is used with a liner drilling assembly to control wellbore pressure. The APD Device reduces a dynamic pressure loss associated with the drilling fluid returning via a wellbore annulus. Another exemplary APD Device is used to control pressure in a wellbore when deploying wellbore equipment, including ... 03/29/07 - 20070068703 - Method for drilling and cementing a well A method for drilling and cementing a borehole to access at least a portion of a formation of interest, comprising: drilling a borehole using a drill string including an external packer and a drilling assembly to access at least a portion of a formation of interest; using a drilling fluid ... 03/15/07 - 20070056773 - Downhole impeller device A downhole impeller device for use within a well, comprising: a body connectable to a drill string and having an external diameter smaller than the well diameter so as to form an annulus between the body and the well; and one or more impeller members extending from the outer surface ... 03/08/07 - 20070051538 - Method for drilling with casing A method for drilling boreholes using casing as the drill string and for removing a drilling assembly from the wellbore while leaving the casing in the well bore. In the method, the drilling assembly is prepared for removal from the wellbore by launching a release tool and manipulating the drilling ... 03/01/07 - 20070045007 - Connection design and sonde housing assembly for a directional drill Drill stem elements and connections are shown with advantages such as being mechanically robust. The absence of a side access window in a sonde housing is one design feature that provides robust mechanical properties. Further advantages of sonde housings include being easy to disassemble for access to the sonde unit, ... 02/22/07 - 20070039757 - 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 through an earth formation. In one embodiment, the drilling assembly utilizes standard drill collars which are modified to accept force transfer sections. In ... 02/15/07 - 20070034408 - Method of creating a borehole in an earth formation A method of creating a borehole in an earth formation is provided. The method involves the steps of drilling a section of the borehole and lowering an expandable tubular element into the borehole whereby a lower portion of the tubular element extends into the drilled borehole section, radially expanding the ... 02/01/07 - 20070023204 - Method and device for drilling holes in soil or rock material The invention relates to a method and device for the drilling, in particular the percussive drilling or rotary percussive drilling of holes (9) in the ground or in rock, a bore hole (9) being formed by a drill bit (1) that is mounted on a drill pipe (3), by a ... 01/18/07 - 20070012484 - Method and device for drilling a hole in soil or rock material and for forming an anchoring The invention concerns a method and device for boring, particularly percussion boring or rotary percussion boring, a hole (2) in soil or rock material and for forming an anchoring. According to the invention, a borehole (2) is formed by inserting a drill bit (4), and tensioning elements (10) coupled to ... 01/11/07 - 20070007041 - Active controlled bottomhole pressure system and method with continuous circulation system An APD Device provides a pressure differential in a wellbore to control dynamic pressure loss while drilling fluid is continuously circulated in the wellbore. A continuous circulation system circulates fluid both during drilling of the wellbore and when the drilling is stopped. Operating the APD Device allows wellbore pressure control ... 01/04/07 - 20070000696 - Mud motor pressure absorption tools A pressure absorbing tool is attached to a workover motor in a milling assembly. The tool includes an upper housing portion that is secured to a drilling string, and a lower mandrel portion that is secured to the workover motor and is moveable axially, but not rotationally with respect to ... 01/04/07 - 20070000695 - Mud motor force absorption tools A force absorbing tool is attached to a mud motor in a drilling string. The tool includes an outer housing portion that is secured to a drilling string, and an inner mandrel portion that is secured to a mud motor and is moveable axially and rotationally with respect to the ... 01/04/07 - 20070000694 - Pneumatic rock drill The invention relates to a pneumatic rockdrill (99) comprising: a housing, including an air supply inlet for receiving compressed air, and a cylinder (50), connected to the air supply inlet by a set of air passages; an impact piston (14), at least part of which is reciprocable within the cylinder ... 12/21/06 - 20060283633 - Method and apparatus for conducting earth borehole operations using coiled casing A method and apparatus for conducting earth borehole operations include a reel 28 of continuous coiled casing 30, and an injector 20 for moving the coiled casing. The bottomhole assembly including at least a motor 54 and a bit 56 is connected to the free end of the coiled casing, ... 12/14/06 - 20060278436 - Drilling apparatus with reduced exposure of cutters A rotary drilling apparatus and method for drilling subterranean formations, including a body being provided with at least one cutter thereon exhibiting reduced, or limited, exposure to the formation, so as to control the depth-of-cut of the at least one cutter, so as to control the volume of formation material ... 12/14/06 - 20060278435 - Automated, low profile drilling/bolting module with collaring A module is for use in drilling a borehole in face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for holding a plurality ... 12/14/06 - 20060278434 - Device and procedure for the insertion of a new drilling string-element into the drill-string of a well A device and the relative procedure are described, for the insertion of a new drilling string-element into a drilling-string essentially consisting of a short pipe-shaped body (C) having, at its ends, means suitable for screwing it onto drill pipes, in which two valves are housed, of which one (A) is ... 12/14/06 - 20060278433 - Multi-sectional percussive drill bit assembly A multi-sectional percussive drill bit assembly for drilling holes in earth formation primarily used in conjunction with a pneumatic percussive device. The drill bit assembly is comprised of an easily removable bit that is rotationally driven by a lug and pocket structure and axially limited in travel by means of ... 12/14/06 - 20060278432 - Method of securing a rotary cutter to a body of a down hole tool and a rotary cutter assembly A rotary cutter assembly constructed in accordance with this method of securing a rotary cutter to a body has a cutter pocket with a first shoulder and a truncated second shoulder. A receptacle extends into the first shoulder. A first retainer retains a first axle end of the rotary cutter ... 11/16/06 - 20060254823 - Drill bit lubricant with enhanced load carrying/anti wear properties A high-temperature lubricant is shown and described. The lubricant includes a base stock and about 1 to about 20 weight percent zirconium 2-ethylhexanoate. The lubricant may also include about 1 to about 9 weight percent bismuth 2-ethylhexanoate. ... 11/16/06 - 20060254822 - Method and apparatus for adding a tubular to drill string with diverter Apparatus and a method for adding and removing tubulars whilst containing the pressure within a drill string and/or maintaining circulation of drilling fluid down a drill string using a diverter sub which is able to open up to mud flow from a side mud port and close off the flow ... 11/09/06 - 20060249309 - Drill bit, system, and method for drilling a borehole in an earth formation A drill bit for drilling a borehole in an earth formation. The drill bit has a central longitudinal axis and may be operated by applying at least a rotary motion about the central longitudinal axis and optionally applying longitudinal reciprocal movement to the drill bit so as to exert a ... 11/09/06 - 20060249308 - Cutting element A tool component, which is typically a cutting element or a gauge stone in a rotary drill bit, comprises a layer of ultra-hard abrasive material bonded to a substrate, the layer of ultra-hard abrasive material comprising a pair of opposed end surfaces, an upper surface defined between the end surfaces, ... 11/02/06 - 20060243489 - System and method for damping vibration in a drill string A system for damping vibration in a drill string can include a valve assembly having a supply of a fluid, a first member, and a second member capable of moving in relation to first member in response to vibration of the drill bit. The first and second members define a ... 10/12/06 - 20060225923 - Drilling assembly and method for drilling a barehole into geological formations The invention relates to a drilling assembly for drilling a borehole into geological formations which assembly comprises: a drilling shaft placable in the borehole, which shaft comprises a drilling head; and a pump device placable in the borehole, wherein the pump device comprises sealing means for sealing a first borehole ... 10/05/06 - 20060219439 - Stress relief feature on pdc cutter A cutter having a base portion, an ultrahard layer disposed on the base portion, and at least one relief groove formed on an outer surface of the cutter. The at least one relief groove is configured to form a relief gap between the ultrahard layer and an inside surface of ... 09/28/06 - 20060213689 - Method and apparatus for introducing elongate members into the ground A drill head is domed at and carries cutting teeth. A tubular drill string can be used to drive the head into the ground. An off-center aperture communicates with the bore of the string, by means of a connecting passage, which defines an oblique cone. During drilling, a flushing medium ... 09/21/06 - 20060207797 - Selectively actuatable expandable underreamer/stabilizer An expandable downhole tool comprises a tubular body having an axial flowbore extending therethrough, at least one moveable arm, and a selectively actuatable sleeve that prevents or allows the at least one moveable arm to translate between a collapsed position and an expanded position. A method of expanding a downhole ... 09/21/06 - 20060207796 - Multi-function downhole tool A multi-function downhole apparatus is described which comprises a tubular main body having at least one recess formed in its outer surface. The recess is adapted to receive any of a set of interchangeable tool elements, which include stabiliser blades of different radial sizes, cleaning elements, roller reaming tool elements, ... 09/14/06 - 20060201712 - Cutter for maintaining edge sharpness A cutter comprising a base portion, an ultrahard layer disposed on said base portion, and at least one recessed region on an outer surface of the cutter. A start of the recessed region disposed a selected distance behind a cutting face. ... 09/14/06 - 20060201711 - Methods 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 during typical oil and gas well completions. Methods of operation are described that provide for ... 09/07/06 - 20060196695 - Deep water drilling with casing Methods and apparatus are provided to place a conductor pipe and a casing in a subsea environment. In one embodiment, a conductor pipe is jetted or drilled into the subsea floor. Thereafter, a casing drilling assembly comprising a drill casing and a drilling assembly is connected to the drill pipe ... 08/17/06 - 20060180352 - Method and device for the drilling of holes in ground or rocky material In a method and device for drilling, in particular percussion drilling or rotary percussion drilling, holes in soil or rock material, wherein a borehole is formed by a percussive and/or rotational movement carried out by a drill bit (1) mounted on a drill rod assembly (4) and an envelope tube ... 08/17/06 - 20060180351 - Air injection collar The present invention is an air injection collar for use in the drilling industry that is used to reduce the weight of the column of returning drilling mud and debris without causing unnecessary frictional wear on the drill pipe. The invention is a unique sleeve that is coupled to a ... 08/10/06 - 20060175093 - Method and device for boring holes in soil or rock In a method and device for boring or drilling, in particular percussion drilling or rotary percussion drilling, holes in soil or rock, wherein a borehole is formed by a percussive and/or rotary movement carried out by a drill bit (2) mounted on a drill rod assembly (3) and a jacket ... 08/10/06 - 20060175092 - Flow valve and method An apparatus for controlling the flow of a medium. The apparatus comprises a base having a plurality of arms extending from the base. The base and arms define a cage. A valve member is positioned within the cage. The apparatus further includes a biasing housing disposed within the base, and ... 07/20/06 - 20060157280 - Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting elements A device and system for improving efficiency of subterranean cutting elements uses a controlled oscillation super imposed on steady drill bit rotation to maintain a selected rock fracture level. In one aspect, a selected oscillation is applied to the cutting element so that at least some of the stress energy ... 07/20/06 - 20060157279 - Fixed-head bit with stabilizing features A fixed-head drill bit includes a bit body having a plurality of cutting elements and at least one wear knuckle disposed on the bit body. Each cutting element includes a cutting surface defining a swept cutting profile when the bit is rotated about an axis. The at least one wear ... 07/06/06 - 20060144620 - Wellbore consolidating tool for rotary drilling applications A subpart (430) of a drill string (211) is described having an outer circumferential surface which is contoured and adapted to engage the wall of the borehole with a small angle of attack while exerting during rotary drilling operations an compacting pressure on mud cake and/or cuttings present in the ... 06/22/06 - 20060131076 - Enlarging well bores having tubing therein An underreamer for forming a cavity within a well bore includes a fluid motor having a first body and a second body arranged about a longitudinal axis. The first body is adapted to rotate about the longitudinal axis in relation to the second body when fluid is passed between the ... 06/22/06 - 20060131075 - Percussive drill bit A percussion drill bit for drilling into a subterranean earth formation. The drill bit has a central longitudinal axis and is operable by applying repetitive axial percussive impacts on the drill bit in a direction having a component along the axis and by applying rotary motion about the axis relative ... 06/15/06 - 20060124359 - Method of avoiding the need for a scraper run in drill out operations and a downhole drilling motor assembly A method of avoiding the need for a scraper run in drill out operations. The method involves the single step of incorporating a rotary scraper into the downhole drilling motor assembly in such a manner that the rotary scraper rotates with the drill bit and follows the drill bit to ... 06/15/06 - 20060124358 - Impact resistant pdc drill bit A drill bit includes at least two different sets of cutting elements, each being the primary cutting set corresponding to a different formation. Upon encountering a significant change in formation characteristics, the first set of cutting elements may be sacrificed so that the second set of cutting elements becomes exposed, ... 06/08/06 - 20060118335 - Automated arm for positioning of drilling tools such as an iron roughneck The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or at mouse holes. A self-balanced, ... 05/18/06 - 20060102389 - Polycrystalline cutter with multiple cutting edges A cutting element includes a layer of integrally bonded superabrasive particles disposed over a substrate. The layer has an outer circumference comprising at least one trough having a distinct cutting point on either side of the trough. A rock drilling drag bit incorporating the cutting element and a method of ... 05/18/06 - 20060102388 - Drilling tool A drilling tool (10) includes a pilot bit (14) and a plurality of mills (16) encircling the pilot bit. The pilot bit and the plurality of mills are each driven by a separate, hydraulically powered turbine or positive displacement motor. (20) The drilling tool does not include a transmission for ... 05/11/06 - 20060096782 - Self relieving seal Self relieving seals of this invention comprise an elastomeric seal body having a first sealing surface and a second sealing surface for contact with respective drill bit sealing surfaces. The seal includes a pair of external surfaces that each extend along the seal body between the first and second sealing ... 04/27/06 - 20060086537 - Drilling with mixed tooth types A rotary-cutter Earth-penetrating bit in which a given track of bottom hole is attacked by inserts of two different types, e.g. chisel-shaped and pointed, wider and narrower, higher and shorter, and/or of different materials. The different types of inserts can both be included within a single row of a cone. ... 04/06/06 - 20060070771 - Earth boring drill bits with casing component drill out capability and methods of use A drill bit including a bit body having a face on which two different types of cutting elements are disposed, the first type being cutting elements suitable for drilling at least one subterranean formation and the second type being cutting elements suitable for drilling through a casing bit disposed at ... 03/30/06 - 20060065442 - Method and system for installing and maintaining a pipeline while minimizing associated ground disturbance A pipeline installation and maintenance method and system is disclosed in which a number of interconnectible platform modules are assembled into drilling platforms from which a segmented pipeline route is flexibly installed. Using modified push/pull rigs to carry out a transverse drilling process established between platforms, successive portions of the ... 03/23/06 - 20060060385 - Reverse-circulation drilling method and system A reverse-circulation drilling method and system includes a drill bit, a drill string comprising drill rods, means for bringing the drill bit into rotation by means of the rods. The system includes a positive-displacement pump made up of a stator and of a rotor, the stator being inserted in said ... 03/16/06 - 20060054357 - Two-cone drill bit A two-cone drill bit with a hydraulic arrangement that can be used for one or more of the following: cleaning roller cones, impinging on a hole bottom, or inducing a helical flow field. A two-cone drill bit having a bit body formed from two leg sections and two spacing members. ... 03/16/06 - 20060054356 - Working platform The invention illustrates and describes a working platform which, for straightforward use in a vertical shaft, has a basic body, on which is provided a supporting means for support on a vertically running surface, and a working means, which is connected to the basic body by connecting means such that ... 03/09/06 - 20060048973 - Rotary drill bits including at least one substantially helically extending feature, methods of operation and design thereof A rotary drill bit is disclosed, including at least one cutting element affixed thereto and configured to form a distinct borehole surface in response to drilling a subterranean formation. At least one substantially helically extending feature associated with the at least one cutting element may be formed upon the leading ... 03/09/06 - 20060048972 - Pressure activated release member for an expandable drillbit An apparatus for use in a wellbore. The apparatus includes a body and a blade assembly. The blade assembly is movable between a collapsed position whereby the expandable apparatus has a smaller outer diameter and an expanded position whereby the expandable apparatus has a larger outer diameter. The apparatus further ... 03/09/06 - 20060048971 - Welded joints for rotary-vibratory drills having reduced stress A drill string for a rotary-vibratory drill comprises a plurality of drill pipes. Each of the drill pipes has a longitudinal axis and at least one end. A female connector member and a male connector member are between the ends of adjacent said drill pipes, the female connector member having ... 02/23/06 - 20060037783 - Deep hole boring head and deep hole boring method for boring a production piece The subject of the invention is a deep hole boring head capable of rotating about a central axis (A-A), comprising a body (2) whose front part (4) has at least one cutting edge (8a, 8b, 8c, 8d) followed by a recess (10a, 10b) which leads to a duct (12) inside ... 02/16/06 - 20060032671 - Cutting device and method for producing a cut hole The invention relates to a cutting device for sinking a cut hole in the ground, having a support on which are mounted in rotary manner about in each case one cutting wheel rotation axis at least two cutting wheels, at least one cutting wheel drive mechanism for the rotary driving ... 02/09/06 - 20060027399 - Drill bit assembly A drilling apparatus comprises a casing shoe, ring bit, and center bit. The casing shoe may be connected to a casing received within the casing shoe. The ring bit is received within the casing shoe and retained at the end of the casing. The ring bit rotates relative to the ... 01/26/06 - 20060016623 - One trip well drilling to total depth Drilling a well to total depth without tripping the bit out of the hole despite encountering a troublesome zone is made possible by using a memory based composite material delivered with the drill pipe or advanced over it, as needed. The material can be activated as a troublesome zone is ... 01/12/06 - 20060006003 - Multiple inserts of different geometry in a single row of a bit A method for designing a roller cone drill bit having a plurality of cutting elements in a row. The method includes defining a pitch pattern for the plurality of cutting elements such that a first group of adjacent cutting elements are arranged in a first pitch and a second group ... 01/05/06 - 20060000643 - Top drive torsional baffle apparatus and method The present invention includes an apparatus and method including a torsional baffle to protect a top drive or rotary table assembly of a drilling rig from torsional vibrations caused from vibration inducing drilling conditions. The torsional baffle includes sufficient torsional impedance to prevent the drilling vibrations from damaging the internal ... 12/29/05 - 20050284665 - Impact enhancing apparatus and method An impact enhancer apparatus includes: a substantially tubular inner member, a substantially tubular outer member that is axially movable in relation to the inner member, a primary energy storage device adapted to store energy when the inner member is moved in either of first and second axial directions with respect ... 12/29/05 - 20050284664 - Dual wall drill string assembly A dual wall drill string assembly for subsurface drilling. The drill string assembly includes a metallic outer tube having an outer tube first end and an outer tube second end opposite the outer tube first end. The assembly also includes a flexible, substantially non-metallic inner tube that is substantially enclosed ... 12/15/05 - 20050274547 - Drilling systems and methods utilizing independently deployable multiple tubular strings A novel well bore drilling system and method utilizes independently deployable multiple tubular strings to drill, line and cement multiple hole sections without intervening trips to the surface. In one embodiment, the drilling system includes two or more independent, telescoping, tubular members that form a nested tubular assembly and one ... 12/15/05 - 20050274546 - Reaming and stabilization tool and method for its use in a borehole In accordance with an embodiment of the present invention, a drilling tool includes a tubular body defining a longitudinal axial cavity extending therethrough and defining at least one cutter element recess. The drilling tool also includes a cutter element at least partially disposed within the at least one cutter element ... 12/15/05 - 20050274545 - Pressure relief nozzle A pressure relief nozzle installs on the face of a drill bit, and provides a flow path for drilling fluid. The pressure relief nozzle has a larger internal flow area when flow rates through the drill bit are high, and a smaller flow area when flow rates are low. Upon ... 12/08/05 - 20050269134 - Underbalanced drilling method and apparatus A method of drilling well bore (20) through and below permeable formation (22) bearing such fluids as gas, oil, water wherein drill cuttings may be evacuated by formation fluid (23) being produced through the drill string (26) either by decreasing well head back pressure or by gas lift. Production rate ... 11/10/05 - 20050247487 - Down hole air diverter The present invention provides an improved method of and apparatus for, pneumatic drilling. The present invention includes a down hole air diverter of improved design, a corresponding computer modeling program, and method of application to optimally achieve the benefits of controlled gradient pneumatic drilling. ... 11/10/05 - 20050247486 - Modified cutters A modified cutting element that includes a base portion, an ultrahard layer disposed on said base portion, and at least one modified region disposed adjacent to a cutting face of the cutter is described. In certain applications, the ultrahard layer comprises thermally stable polycrystalline diamond. ... 11/10/05 - 20050247485 - Combined casing expansion/casing while drilling method and apparatus A drilling assembly (2) comprises upper (4) and lower (6) drill strings with a fluid passage (80) therethrough for distributing fluid to a bottom hole assembly (10). The upper drill string (4) has an upper end (11) connectable to a drilling apparatus (13) and fluid source (16) and a lower ... 11/03/05 - 20050241857 - Method to transport and operate a small footprint tower to reduce environmental impact A method to construct and transport a modular drilling rig comprising drilling equipment in the form of a transfigurable container begins by transporting transfigurable shipping containers comprising drilling equipment to a drilling location. The method continues by unfolding the transfigurable shipping containers and the drilling equipment at the drilling location, ... 11/03/05 - 20050241856 - Underreaming and stabilizing tool and method for its use Provided is a drilling tool that includes a tubular body defining a longitudinal axial cavity extending therethrough. The tubular body also defines at least one radial guidance channel extending radially from the axial cavity through the tubular body. A cutter element is disposed in the at least one radial guidance ... 10/20/05 - 20050230150 - Coated diamonds for use in impregnated diamond bits An insert for an impreg bit that includes coated diamond particles disposed in a matrix material, wherein the coated diamond particles include a boride, a nitride, and a carbide of a group IVA, VA, VI transition metal or silicon disposed on synthetic, natural, TSP diamonds, or combinations thereof is disclosed. ... 10/13/05 - 20050224258 - Apparatus and methods for powering downhole electrical devices A drilling system comprises a tubular member disposed in a wellbore having a downhole assembly disposed therein. At least one electrical device is disposed in the downhole assembly. A fuel cell is disposed in the downhole assembly and operatively coupled to the electrical device for providing electrical power thereto. The ... 09/29/05 - 20050211472 - Percussion tool and method A percussion apparatus and method of using the percussion apparatus. The apparatus may be used for delivering an impact to a tubular string. The apparatus comprises a cylindrical member having an internal bore containing an anvil and a first guide profile. The apparatus further includes a rotor disposed within the ... 09/29/05 - 20050211471 - System and method for controlling drill motor rotational speed In one embodiment, a system for controlling drill motor rotational speed includes a downhole motor disposed in a drill string and having a rotor operable to be rotated by a flow of drilling fluid through the motor. The system also includes one or more by-pass ports operable to allow a ... 09/22/05 - 20050205303 - Drilling fluid bucket and method An apparatus and method for preventing the spillage of a drilling fluid onto a drilling rig floor. The apparatus comprises a first and second sleeve, and wherein the first and second sleeve form a cylindrical container. The apparatus also includes a closing member operatively attached at a first end of ... 09/15/05 - 20050199427 - Drilling on gauge sub A drilling on gauge sub including a tubular housing having a first end, a second end and an exterior surface. Coupling means are positioned at both the first end and the second end of the tubular housing to couple the tubular housing to other components of a drill string. At ... 09/15/05 - 20050199426 - Rotatable drill shoe A rotatable drilling shoe attachable to a section of casing that allows for drilling and casing of a well bore in a single trip. The drilling shoe includes a fixed section and a rotatable section that has a drillable bit attached thereto. The drilling shoe further includes a mechanism for ... 09/08/05 - 20050194187 - Rotating systems associated with drill pipe Methods and apparatuses for drilling a borehole are disclosed. An electric motor electrically and mechanically coupled to a wired drill pipe is provided. The electric motor couples to a shaft that rotates when power is supplied to the electric motor. The shaft is couplable to a drill bit. The wired ... 09/08/05 - 20050194186 - Apparatus and method for pressure-compensated telemetry and power generation in a borehole An apparatus and related method are useful for compensating the pressure of drilling fluid in a drill collar disposed in a borehole. The apparatus includes a stator adapted for being secured within the drill collar against rotation relative to the drill collar, and a shaft rotatably carried within the stator ... 09/01/05 - 20050189144 - Mud saver valve A mud saver valve being operable in conjunction with a top drive unit to retain mud in the top drive unit when a tubular is disconnected therefrom. The valve utilizes a spring-loaded piston to control the flow of mud or other fluid onto the work area and environment while the ... 08/11/05 - 20050173155 - Down hole motor with locking mechanism A down hole motor assembly with a locking mechanism, and methods for operating said down hole motor assembly. The down hole motor has a housing operatively connectable at an upper end to a drill string. A shaft is disposed within the housing and operatively connected to a motor portion of ... 08/11/05 - 20050173154 - Method and system for connecting pipe to a top drive motor Method and system for connecting a joint of pipe to a top drive motor just above the drilling platform of a drilling rig where the connection can be made quickly and safely by a drilling operator. The system includes a top drive motor that tilts about a horizontal axis and ... 08/04/05 - 20050167157 - Instrumented internal blowout preventer valve for measuring drill string drilling parameters An oil and gas well drilling system is provided that includes a torque drive system having an output shaft and a drill string rotated by the torque drive system. An instrumented internal blowout preventer valve is connected between the torque drive system output shaft and the drill string. The valve ... 07/28/05 - 20050161260 - System for communicating information between a rig location and a cpmputer network and methods using the system A system for communicating information between a rig location and a computer network. The system includes the computer network disposed on a location remote from the rig location and a computer disposed on the rig location, wherein the computer is communicably linked to the computer network through a communication link. ... 07/28/05 - 20050161259 - Unsymmetrical profile threads for use in a positive displacement motor housing The present invention provides an unsymmetrical thread profile used to connect stator housings of a positive displacement motor. The unsymmetrical thread profile comprises one or more non-load bearing flanks angled with respect to the longitudinal axis of the thread profile such that the root radius is greater than the root ... 07/14/05 - 20050150691 - High temperature environment tool system and method In at least some embodiments, a tool may comprise a tool body and one or more tool components. The tool may further comprise tool electronics located within the tool body, wherein the tool electronics are operable to sense and store tool component characteristics and environmental characteristics. At least some of ... 07/14/05 - 20050150690 - Methods of casing drilling The present invention provides a method and apparatus for casing while drilling without the use of an underreamer. In one aspect, the invention provides a flexible drill collar that enables drilling of a large enough borehole for passage of the casing string therethrough. ... 07/07/05 - 20050145417 - Expandable reamer apparatus for enlarging 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 position and an expanded position. The at least one movable blade, held inwardly by at least one blade-biasing element, may be ... 06/30/05 - 20050139393 - Turbine generator system and method In one embodiment, a wellbore power generation method includes causing a fluid to flow through a downhole turbine, and causing the turbine to rotate a generator. At least one of a turbine configuration and a flow rate of the fluid is selected to cause the downhole turbine to operate near ... 06/23/05 - 20050133266 - Rotating drilling head drive Methods and apparatus for rotating a stripper assembly in use with a rotating drilling head. A drive system is disposed external to the rotating drilling head and generates rotational motion to match the rotation of a drillstring running through the rotating drilling head. A connection transfers rotational motion from the ... 06/23/05 - 20050133265 - Rock bit with grease composition utilizing polarized graphite A lubricating grease is specific for a rock bit for drilling subterranean formations. The rock bit body includes a plurality of journal pins, each having a bearing surface, with a cutter cone mounted on each journal pin and also including a bearing surface. A grease reservoir provides lubricating grease to ... 06/16/05 - 20050126823 - Locking pin assembly for locking dog housing A locking pin mechanism for a locking dog which provides for a support sleeve including steps with indentations for supporting a grasping member, and pins whose slanted face intersects the plan of the drive wrench bore in the locking dog when the drive wrench is being installed. ... 06/16/05 - 20050126822 - Drilling systems The present invention discloses, in certain asp cts, systems and methods for producing cyclical impacts and, in certain aspects for moving a drilling apparatus for drilling a borehole in a formation, the system in certain embodiments including a housing with a longitudinal axis and a movable member movably disposed therein ... 06/09/05 - 20050121233 - Filter assembly having a bypass passageway A filter assembly including a primary flow passageway having at least one filter deployed therein and a secondary flow passageway having a bypass filter deployed therein is provided. The filter assembly further includes a bypass valve assembly configured to selectively open and close the secondary flow passageway when a fluid ... 06/09/05 - 20050121232 - Downhole filter In one aspect, a downhole filter comprises a tubular member having a wall defining a plurality of openings. The openings have an outer width less than an inner width. The parts of the opening defining the smaller width are defined by radially outer parts of the openings, such that particulates ... ### FreshPatents.com Support |