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| Number | Title | Issue Date |
| 8006782 | Sonic drill head 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 vib... | 08/30/2011 |
| 7900716 | Vibratory unit for drilling systems A down-the-hole vibratory unit for a drilling system includes a casing comprising a fluid inlet. The vibratory unit can also include a plurality of eccentrically weighted rotor assemblies positioned at least partially within the casing and in fluid communication wit... | 03/08/2011 |
| 7810582 | Counterbalance enabled power generator for horizontal directional drilling systems An electrical generating system is used for a horizontal directional drilling system. The drilling system has a generally horizontal drill stem that rotates. A generator has first and second components. The first component rotates with the drill stem, while the seco... | 10/12/2010 |
| 7708088 | Vibrating downhole tool A vibrating downhole tool comprising a housing, an inner mandrel disposed within the housing and configured to receive a drilling fluid, a mass coupled to the inner mandrel, and a plurality of turbine blades configured to receive the drilling fluid and to rotate the... | 05/04/2010 |
| 7270182 | Earth loop installed with sonic apparatus A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill apparatus on a lower end of the casing movable by th... | 09/18/2007 |
| 7234537 | Sonic drill A sonic drilling apparatus having a work piston within a cylinder chamber to provide a vibratory force through the alternate application of fluid under pressure into the bore above and below the piston in a manner that the piston will be forced to reciprocate within... | 06/26/2007 |
| 7228920 | Drilling apparatus and method for introducing a drilling element into the soil The invention relates to a drilling apparatus and a method for introducing a drilling element into the soil. The drilling element is rotatably and slidably supported on a mast, with a torque being applied through a rotary drive located on the mast. In order to suppo... | 06/12/2007 |
| 7213656 | Apparatus and method for facilitating the connection of tubulars using a top drive An apparatus and method for facilitating the connection of tubulars using a top drive and is, more particularly but not exclusively, intended for facilitating the connection of a section or stand of casing to a string of casing. ... | 05/08/2007 |
| 7191852 | Energy accelerator An apparatus for imparting mechanical vibration on a down-hole drilling system including a body, first and second couplers and a rotating member. The body includes ports configured to pass fluid through the body, and the first and second couplers are configured to c... | 03/20/2007 |
| 7182152 | Sampling isolator A soil sampling system that in one embodiment includes a drill rod, a sampler or core barrel and an adapter coupling, for connecting the sampler barrel to the drill rod. In one embodiment the drill rod provides vibratory drilling movement, and the sampler barrel col... | 02/27/2007 |
| 7182407 | Rock boring device with an oscillating and nutating rotary disc cutter A rock boring device (10) including a rotary disc cutter (11). The disc cutter (11) is driven in an oscillating manner and also driven or free to nutate, and the device includes a mounting section (22) for the rotary disc cutter and a dri... | 02/27/2007 |
| 7175506 | Tool unit for ultrasonically assisted rotary machining The tool unit for the ultrasonically assisted rotary machining of a workpiece comprises a converter (23) including at least one electroacoustic transducer (22) for generating and transmitting ultrasonic oscillations, a tool (30) that is coupled ... | 02/13/2007 |
| 7168507 | Recalibration of downhole sensors In downhole drilling tools, a first set of inexpensive and/or relatively small sensors that typically have lower accuracy and higher drift than conventional downhole sensors are located in the drill string adjacent to the bit. A second set of highly accurate sensors... | 01/30/2007 |
| 7165609 | Apparatus for handling tubular goods An apparatus for handling tubular goods which includes an elongate tubular body having a peripheral sidewall and opposed ends. The peripheral sidewall has a plurality of axial slots arranged circumferentially around the tubular body parallel to an axis of the tubula... | 01/23/2007 |
| 7156189 | Self mountable and extractable ultrasonic/sonic anchor Self drilling anchors and related methods and apparatus. In one embodiment an apparatus comprises a drill bit, a hammer mechanism for hammering the drill bit in a first direction and in a second direction, and a selection mechanism for controlling whether, at a give... | 01/02/2007 |
| 7147064 | Laser spectroscopy/chromatography drill bit and methods A drilling apparatus for well-boring having a drill bit assembly which includes a laser cutting assembly and a vacuum assembly. The vacuum assembly is adapted to intake vapors generated by the laser cutting assembly proximate the drill bit assembly during operation ... | 12/12/2006 |
| 7114970 | Electrical conducting system A generally tubular drill string has a conductive path over a plurality of drill pipe section (10). Each drill pipe section has a first end and a second end, and a wall, and the first end has a first radial sealing surfaces (11) and the second end has ... | 10/03/2006 |
| 7093657 | Earth loop installed with sonic apparatus A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill apparatus on a lower end of the casing movable by th... | 08/22/2006 |
| 7086485 | Directional casing drilling A directional drilling system, including a casing string, a casing latch disposed inside the casing string proximate a lower end of the casing string and coupled to the casing string, a rotary steerable system disposed inside the casing string and coupled to the cas... | 08/08/2006 |
| 7025130 | Methods and apparatus to control downhole tools The present invention generally provides a downhole tool with an improved means of transmitting data to and from the tool through the use of wired pipe capable of transmitting a signal and/or power between the surface of the well and any components in a drill string... | 04/11/2006 |
| 7004259 | Apparatus and method for facilitating the connection of tubulars using a top drive An apparatus for facilitating the connection of tubulars using a top drive, the apparatus comprising a supporting member (13) connectable to said top drive (3) characterized in that it further comprises an internal tool (30) for engaging said tu... | 02/28/2006 |
| 6976298 | Methods and apparatus for connecting tubulars using a top drive An apparatus for facilitating the connection of tubulars using a top drive, the apparatus comprising a stator attachable to said top drive, and a supporting member for supporting a tool, wherein means are provided to allow substantially horizontal movement of said s... | 12/20/2005 |
| 6968910 | Ultrasonic/sonic mechanism of deep drilling (USMOD) The present invention provides an ultrasonic and sonic mechanism of deep drilling (USMOD) that is driven by a vibrating actuator and operates in a similar manner to the gopher with regards to drilling debris removal. The actuator induces vibration in the form of a h... | 11/29/2005 |
| 6955219 | Earth loop installation with sonic drilling A method for installing a heat exchange pipe loop in a borehole, the method in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill shoe on a lower end of the casing movable by the soni... | 10/18/2005 |
| 6948574 | Ultrasonic annular core bit A core bit for abrasive cutting including a cylindrical tube (3) provided at its end surface with cutting or abrasive bodies (2) and a cover (4) provided at an opposite end surface of the cylindrical tube (3) and secured thereto and havin... | 09/27/2005 |
| 6908262 | Systems and methods for driving large diameter caissons A system for driving a large diameter caisson into the ground, comprising a crane assembly, a plurality of vibratory devices, a clamp assembly, a suspension assembly, and a timing system. Each vibratory device generates a vibratory force. The clamp assembly rigidly ... | 06/21/2005 |
| 6863136 | Smart-ultrasonic/sonic driller/corer Apparatus for probing, sensing, testing penetrating and sampling a medium generally includes an actuator (12) for generating vibrations at ultrasonic frequencies and a horn (14) coupled to the actuator (12) for amplifying the actuator vibrations... | 03/08/2005 |
| 6808029 | Drill rig assembly A drill rig assembly comprising a drill mast (3), a storage device (9) for storing a number of drill pipes (1) in a lying position near said drill mast, and a rotary head (5) mounted onto a rotary head trolley assembly (4) which is... | 10/26/2004 |
| 6739410 | Sonic drill head A sonic drilling head includes a spindle which is both rotated and vibrated at sonic frequency to effect ground penetration of members such as drill rods, etc. Two pairs of rotating eccentric masses are mounted in a sine generator housing. The pairs of masses have i... | 05/25/2004 |
| 6582158 | Device and method for transferring vibrating movement to rigid pipe with pipe clamp for vibrator rammer block A Device for transferring a vibrating movement to a rigid pipe for letting it penetrate into or removing it from a bed in upright or inclined position, comprises a clamping member for clampingly holding the upper end of the pipe for transfer of the vibrat... | 06/24/2003 |
| 6543966 | Drive system for inserting and extracting elongate members into the earth A drive system for elongate members comprising a drive plate, a support system, an insertion housing, at least one drive gear, and a vibratory system. The suppression system resiliently opposes relative movement between the support plate and the insertion... | 04/08/2003 |
| 6431795 | Systems and methods for inserting wick drain material A system for displacing an elongate member relative to the ground. The system includes a drive rack, a support assembly, a vibratory assembly, and a drive assembly. The vibratory assembly comprises a vibratory housing defining a vibratory chamber and a vi... | 08/13/2002 |
| 6386295 | Vibratory driver for pipe piling A coupler assembly (46, 48) is suspended from a forward section (12) of a boom (14) that projects from a mobile base (18). An upper end portion (160) of a pipe piling (P) is gripped by a pair of clamp jaws (148, 150). The clamp jaws (148, 150) are movable... | 05/14/2002 |
| 6302222 | Device for the transmission and distribution of the vibration and stress exerted on objects by a vibrator to drive them into the ground A device for transmitting and distributing vibration and stress exerted by a vibrator on objects to be driven into the ground includes a supporting plate of repartition of vibrations bolted on a sole plate of the vibrator having dimensions lower to that o... | 10/16/2001 |
| 6129159 | Vibratory drill head apparatus A vibratory drill head for use with a drill stand apparatus. The eccentric cams are mounted on parallel drive shafts which are powered by hydraulic motors. The hydraulic motors cause the drive shafts to spin in opposite directions. The counter-rotating ec... | 10/10/2000 |
| 6116354 | Rotary steerable system for use in drilling deviated wells A rotary steerable system for use in a drill string for drilling a deviated well is disclosed. The system utilizes a mechanical gravity reference device comprising an unbalanced weight which may rotate independently of the rotation of the drill string so ... | 09/12/2000 |
| 6073704 | Machine support including means for angular control of a supported device Supporting clamps for a tool such as, for example, a pile driver machine are used to tilt a machine support relative to a horizontal plane. The clamps include a pair of jaw elements one of which is received on a pivot and the other of which has a pair of ... | 06/13/2000 |
| 6039508 | Apparatus for inserting elongate members into the earth A system for inserting elongate members into and removing elongate members from the ground. The system is a bottom drive system that is capable of applying crowding or extraction forces to the elongate member while at the same time vibrating the elongate ... | 03/21/2000 |
| 5860482 | Multiple force hole forming device A device and method for forming a downwardly extending hole in the surface of the earth for seismic exploration or for forming a larger diameter hole such as made during exploratory drilling. The hole forming device includes an elongated rigid planting me... | 01/19/1999 |
| 5823272 | Vibrating hammer, more particularly for driving sheet piles into the ground The invention relates to a vibrating hammer, more particularly for driving sheet piles into the ground, the hammer having a lower side with a number of parallel horizontal guide tracks, slide blocks being mounted for adjustment along the tracks, the block... | 10/20/1998 |
