Class 175/102 - With below-ground conveyer or impeller for removal of cuttings

Subclass of Class 175 - Boring or penetrating the earth
Definition: Apparatus including means located within the bore for removing
No. of patents: 34
Last issue date: 05/06/2008

Number	Title	Issue Date
7367412	Collapsible rock head A rock head for use with an auger borer to bore a passageway through a body of soil and rock and simultaneously laying a pipe in that bored passageway. The rock head has a base connectable to the leading end of the auger. A plurality of movable mounts are provided o...	05/06/2008
7293616	Expandable bit An expandable drill bit for use with earth drilling equipment. The bit includes arms held in a closed position, so that the bit may be inserted through casing or a small bore hole. The arms are expandable to create an expanded drill bit having a crown profile common...	11/13/2007
7195085	Drill bit An expandable drill bit comprises a body for mounting on a support string and two roller cutters mounted on the body. The cutters are movable between a smaller diameter first configuration and a larger diameter second configuration. In one embodiment the bit is adap...	03/27/2007
7172039	Down-hole vane motor The present invention generally relates to an apparatus and method for use in a wellbore. In one aspect, a downhole tool for use in a wellbore is provided. The downhole tool includes a housing having a shaped inner bore, a first end and a second end. The downhole to...	02/06/2007
7165634	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 during typical oil and gas well completions. Methods of operation are des...	01/23/2007
7147068	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 des...	12/12/2006
7066247	Methods and apparatus for drilling with a multiphase pump The present invention generally relates to an apparatus and method for removing hydrocarbons and other material from a wellbore. In one aspect, a method of drilling a sub-sea wellbore is provided. The method includes circulating a drilling fluid through a drill stri...	06/27/2006
7051821	Adjustable hole cleaning device An adjustable hole cleaning device is provided for cleaning a hole in a subterranean formation. A drillstring containing the device is rotated to drill a hole through the subterranean formation. While rotating the drillstring, drilling fluid is circulated through th...	05/30/2006
7048050	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 during typical oil and gas well completions. Methods of operation are des...	05/23/2006
7036610	Apparatus and method for completing oil and gas wells A method of drilling and completing a wellbore in a geological formation to produce hydrocarbons from a well comprising at least the following four steps: drilling the well with a retrievable drill bit attached to a casing; removing the retrievable drill bit from th...	05/02/2006
7004264	Bore lining and drilling A method of lining and drilling a bore (10) comprises the steps of mounting a first section of bore-lining tubing (20) on the lower end portion of a drill string (18). The method also includes running the drill string and tubing into a bore havi...	02/28/2006
6932171	Ground drilling machine A ground drilling machine comprises a controller for automatically controlling the injection of working liquid according to the output signal output as a function of the rotating condition of the pilot head 20. When the pilot head 20 is driven forward ...	08/23/2005
6481510	Directional drill for railway drilling and method of using same A directional drill for transport via rail tracks and railwheels associated with the directional drill to an operating location. The directional drill has a first frame associated with a set of pneumatic tires for movement of the directional drill onto an...	11/19/2002
5901797	Drilling apparatus with dynamic cuttings removal and cleaning A drilling apparatus having cuttings removal structure to reduce balling thereof and to help prevent the accretion of portions of chips and debris from drilling thereon and/or the accretion of portions of drilling fluids thereon. The drilling apparatus co...	05/11/1999
5651420	Drilling apparatus with dynamic cuttings removal and cleaning A drilling apparatus having cuttings removal structure to reduce balling thereof comprising an apparatus body having a connection thereon, and structure for contacting cut potions of the earth formation. The contacting structure may include chip breakers,...	07/29/1997
5622231	Cutting head A method for forming substantially lateral boreholes from within an existing elongated shaft includes positioning a drilling unit within the existing shaft, bracing the drilling unit against a wall surrounding the existing shaft to transmit forces between...	04/22/1997
5375669	Method and apparatus for cleaning a borehole A method and apparatus for removing drilling mud within entrained cuttings is provided using a pump for forcing fluid into a borehole, such that the fluid mixes with cuttings formed during the formation of the hole. The pipe receives the fluid and entrain...	12/27/1994
5351764	Method and apparatus for enlarging an underground path A method and apparatus for enlarging an inverted arcuate underground path between two surface locations is disclosed, where the cuttings from the enlarging are removed. After the drilling of a pilot borehole, and possibly after some reaming operations, a ...	10/04/1994
5269384	Method and apparatus for cleaning a bore hole A hole cleaning device 100 includes a housing having a porous region to communicate cuttings from a bore hole to the interior of the housing. A Venturi-effect pump creates a suction to draw cuttings from the hole into the housing. An outlet pipe coupled t...	12/14/1993
5230388	Method and apparatus for cleaning a bore hole using a rotary pump An apparatus for removing debris from a bore hole comprises a housing having apertures formed therein such that rotation of the housing causing entrapment of the cuttings from the bore hole. The positive displacement pump comprises a rotor surrounded by a...	07/27/1993
4934466	Device for borehole hydraulic mining A device for borehole hydraulic mining includes a pipeline for delivering fluid into the hole accommodated inside a pipeline for bringing pulp to the surface and featuring a constant inside diameter along the entire length of this pipeline. The pipeline f...	06/19/1990
4790395	Pipe-driving apparatus Pipe-driving apparatus used to create a pipe line of small diameter uses a pressing station in an access trench to drive in pipe sections one by one. A boring head and conveyor worm operates at the front of the pipe line in a working pipe section on which...	12/13/1988
4744426	Apparatus for reducing hydro-static pressure at the drill bit A downhole tool positioned intermediate the mud motor and the drill bit, for reducing the hydro-static head near or around the bit. What is provided is an upper body portion threadably attachable to the mud motor and having an internal shaft with a bore t...	05/17/1988
4732226	Drilling machine A shaft drilling machine comprises a drill head carrying drill tools thereon, a device for guiding the drill head in a shaft, a device for advancing the drill head in the shaft, and drive aggregates which are lowered into the shaft together with the drill...	03/22/1988
4718504	Trench excavator A trench excavator capable of excavating a trench of a rectangular section suitable for formation of an underground diaphragm wall. The underground diaphragm walls are now applied as underground structures replacing caissons, rigid foundations for multist...	01/12/1988
4646853	Shaft boring machine and method A shaft boring machine including a rotatable cutterwheel assembly with a horizontal axis mounted on a carriage having vertical travel. The carriage is mounted on a slewing base frame and rotates about the vertical axis of the machine. An excavating unit f...	03/03/1987
4589502	Earth boring apparatus An earth boring or shaft sinking apparatus in which a column is continuously rotatable about its axis, the column including a cutting wheel at one end rotatable about a wheel axis normal to the axis of the column, the cutting wheel including sprockets mou...	05/20/1986
4483403	Shaft drilling machine A shaft drilling machine has a circularly moving drilling head. The drilling head is angularly oriented with respect to the longitudinal axis of the shaft sought to be drilled. Loosened material is transported from the lower portion of the shaft by pickup...	11/20/1984
4274675	Shaft-sinking apparatus with milling head and central worm conveyor An apparatus for the sinking of a shaft in which a machine platform can be anchored against the wall of the incipient shaft and carries an orbiting tool for cutting away the floor of the shaft, thereby dumping the detritus into a pilot-bore hole continuou...	06/23/1981
4186808	Earth boring machine with crushing rollers An earth boring machine with a rotating cutter head having a multiple of individual cutters positioned at different distances from the center of rotation and angularly spaced from one another on the cutter head while the cutter head itself is shaped to di...	02/05/1980
4004642	Tround terra-drill processes and apparatus Processes and apparatus in the field of Terradynamics, e. g. projectile penetration into soils and rocks, employing "open chamber" firing systems using "Trounds" (triangular rounds of ammunition). Included are salvo firings of small calibre projectiles fo...	01/25/1977
3965995	Machine for boring a large diameter blind hole A cutter wheel is mounted at the lower end of the machine for rotation about a horizontal tubular support. Cuttings are picked up by buckets on the cutter wheel and are directed into the tubular support to be received by an endless bucket conveyor which c...	06/29/1976
3938598	Belling apparatus The present invention relates to belling apparatus for forming a bell shaped recess at the lower end of a pier bore and is concerned primarily with such apparatus in which spoil generated by cutting the recess is continuously removed by an auger....	02/17/1976
3934660	Flexpower deep well drill This is a deep well drill employing a Nelson air motor, a Nelson engine or other air motor for drilling power at the face of a petroleum or other deep well and having a cable and tube attached thereto and suspended from spools on a drill rig. A cutting co...	01/27/1976

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Class 175/102 - With below-ground conveyer or impeller for removal of cuttings