Class 175/429 - Including a nozzle

Subclass of Class 175 - Boring or penetrating the earth
Definition: Structure which is combined with a fluid spraying means.
No. of patents: 37
Last issue date: 09/20/2011

Number	Title	Issue Date
8020639	Cutting removal system for PDC drill bits The blades of a PDC bit have a nozzle between them preferably oriented laterally across the plane of the cutters on the blade and more preferably in a trough disposed adjacent the row of cutters. The cutting is less likely to adhere to the bit surface because the tr...	09/20/2011
7188682	Multi-stage diffuser nozzle A multi-stage diffuser nozzle for use as a drill bit nozzle jet includes a flow restriction portion upstream of a fluidic distributor portion, and also preferably includes a transition region between these two. The flow restrictor communicates with the interior flui...	03/13/2007
7114583	Tool and method for drilling, reaming, and cutting An orbital tool apparatus and method of using the apparatus for boring, drilling, reaming, and cutting having a tool housing, a tool collar located within the housing, the tool housing having the ability to couple to a conduit structure, fluid orbiting jets within t...	10/03/2006
7077867	Prosthetic knee joint having at least one diamond articulation surface Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for making joints, bearing and articulation surfaces, and methods for man...	07/18/2006
6834733	Spiral wave bladed drag bit A drag-type drill bit for bore hole drilling in earth formation comprises a bit body having a threaded pin on one end for coupling to a drill string. A substantially dome-shaped cutter head is formed integral with the bit body opposite from the threaded pin. Formed ...	12/28/2004
6527065	Superabrasive cutting elements for rotary drag bits configured for scooping a formation Cutting elements for use in a rotary drill bit are configured to facilitate positioning of the cutting elements at a positive rake angle with respect to the formation to enhance compressive stresses in the cutting element and to reduce cutting loads on th...	03/04/2003
6253864	Percussive shearing drill bit A drill bit that combines the forces of high rotational torque and percussive impact with impact-resistant shear cutting inserts in order to increase formation penetration rates, particularly in deep wells were borehole pressure is high. The drill bit may...	07/03/2001
6065553	Split blade rotary drag type drill bits A drag-type drill bit for drilling holes in subsurface formations comprises a bit body having an end face and a shank for connection to a drill string, a number of blades upstanding from the end face of the bit body and extending outwardly away from the c...	05/23/2000
6021858	Drill bit having trapezium-shaped blades A steel bodied PCD drag bit is disclosed having a plurality of blades integrally formed thereon, each blade having a bottom surface that includes an angular front section and rear section intersecting to form an apex, the front section having a plurality ...	02/08/2000
6006846	Cutting element, drill bit, system and method for drilling soft plastic formations A cutting element and drill bits so equipped particularly suited for drilling subterranean formations exhibiting a superabrasive cutting face with at least a portion of extremely low surface roughness, by way of example on the order of a polished, mirror-...	12/28/1999
5924501	Predominantly diamond cutting structures for earth boring A diamond cutting element for use on an earth boring drill bit, such as a rotary drag bit. The cutting element is predominately comprised of a diamond cutting structure attached to either a reduced-volume substrate or directly to a bit body, optionally us...	07/20/1999
5906245	Mechanically locked drill bit components Mounting apparatus is described for locking an insertable stud cutter or slug cutter or fluid nozzle into a socket on a rotatable earth boring drill bit. The cutter may be readily removed and replaced without damaging either the cutter, nozzle or bit. App...	05/25/1999
5678645	Mechanically locked cutters and nozzles Mounting apparatus is described for locking an insertable stud cutter or slug cutter or fluid nozzle into a socket on a rotatable earth boring drill bit. The cutter may be readily removed and replaced without damaging either the cutter, nozzle or bit. App...	10/21/1997
5595252	Fixed-cutter drill bit assembly and method A drill bit assembly comprising a plurality of cutter units, with each cutter unit comprising a circumferentially forward, relatively blunt positioning cutter, followed by a fixed cutter having a relatively sharp cutting edge, with the cutting edge of the...	01/21/1997
5582258	Earth boring drill bit with chip breaker A drill bit for boring an earth formation is designed for rotation in a given direction. The bit body includes an operating face with at least one cutting element formed thereon. A cutting surface formed on the cutting element faces in a forward direction...	12/10/1996
5363932	PDC drag bit with improved hydraulics A drag bit for soft, sticky formations is disclosed with a new fluid dynamics control mechanism that minimizes "bit-balling". Multiple blades carrying PDC cutters have tapered back sides to achieve greater velocity through the fluid channels. Multiple jet...	11/15/1994
5316095	Drill bit cutting element with cooling channels A diamond cutting element for use on an earth boring drill bit, such as a drag bit. The cutting element is cooled with drilling fluid via a plurality of internal channels having outlets adjacent the peripheral cutting edge of the diamond cutting element....	05/31/1994
5131480	Rotary cone milled tooth bit with heel row cutter inserts A milled tooth rotary cone rock bit, as it is operated in a borehole, subjects the heel of each cone into contact with the borehole wall when the gage row milled teeth wear. The heel row of each cone is relieved and tungsten carbide chisel inserts are equ...	07/21/1992
5115873	Method and appartus for directing drilling fluid to the cutting edge of a cutter The present invention discloses an apparatus and method for directing drilling fluid to the cutting tip of a downhole drilling bit cutter by one or more flow channels formed in the upper section of the cutter's front surface, thereby maximizing the cleani...	05/26/1992
5103922	Fishtail expendable diamond drag bit A fishtail type drag bit is disclosed consisting of multiple blades, each blade forming radially disposed grooves. Each groove contains equidistantly spaced diamond cutters along its length. The cutters are additionally oriented at a negative rake angle w...	04/14/1992
5027912	Drill bit having improved cutter configuration Drill bits may include cutting members which have cutting faces formed of segments of differing cutting materials. The faces of the cutting members may include two or more segments, with the segments formed from at least two different materials. For examp...	07/02/1991
4981184	Diamond drag bit for soft formations A drag bit for soft formation is disclosed which consists of a new cutting mechanism. The drag bit face forms one or more pairs of radially disposed ridges separated by a valley whereby a leading ridge supports multiple rounded projections and the followi...	01/01/1991
4913244	Large compact cutter rotary drill bit utilizing directed hydraulics for each cutter An improved rotating drag bit for cutting plastic, sticky, water reactive and shale formations is devised by providing a plurality of large diamond cutters having a circular cutting face in excess of three quarter inch in diameter. Each large cutter is pr...	04/03/1990
4902073	Cutter pick for mining using hydraulic stream A cutter pick for a mining machine has a lug carrying a cutting tip of hard, abrasion resistant material at its forward end. A passage extends through the lug with provision at its rearward end for connection to a source of high pressure liquid and with a...	02/20/1990
4883132	Drag bit for drilling in plastic formation with maximum chip clearance and hydraulic for direct chip impingement An improved bit and method for cutting plastic and sticky rock formations, which tend to cause bit balling, is provided by a drag bit having a cutting face formed of a plurality of generally radially extending open arched blades. Each arched blade is prov...	11/28/1989
4848489	Drag drill bit having improved arrangement of cutting elements A drag type rotary bit (10) having a plurality of arcuate blades (24A-24E) each having a row of cutting elements (36A-36G) thereon. The cutting elements (36A-36G) are arranged on the arcuate blades (24A-24E) with around one-half of the length of the arcua...	07/18/1989
4846290	Underreamer with revolving diamond cutter elements A sub-surface borehole underreamer is disclosed having freely rotatable precessing diamond cutters attached to extendable arms connected to the body of the underreamer. The diamond cutting face is skewed to a degree that tangential contact of the peripher...	07/11/1989
4794994	Drag drill bit having improved flow of drilling fluid A drag type rotary bit (10) having polycrystaline diamond compact (PDC) cutting elements arranged in a plurality of rows extending from the center of the bit body (12) to the outer peripheral surface (20) thereof. A fluid discharge nozzle (38A-38F) is pro...	01/03/1989
4776411	Fluid flow control for drag bits A drag type drilling bit having a plurality of radially disposed raised lands on the bit face is disclosed. A multiplicity of polycrystalline diamond compacts are strategically disposed on the raised lands. At least a pair of lands are joined at the outsi...	10/11/1988
4723612	Bit, nozzle, cutter combination A rotating diamond bit has a cutting face that includes a plurality of cutters and nozzles affixed thereto in spaced relationship respective to one another. A passageway extends through the bit body for flow of fluid through the bit connection to each of ...	02/09/1988
4676324	Drill bit and cutter therefor A full bore drag-type well drilling bit comprises a bit body having an operating end face defining a plurality of upsets. Each of the upsets has a leading edge surface and at least one recess extending through the leading edge surface into the upset. The ...	06/30/1987
4606418	Cutting means for drag drill bits A rotary drill bit (10) having a plurality of diamond cutting elements (48) each having a cutting face (60) with a discharge nozzle (64) therein. The discharge nozzle (64) directs the flow of drilling fluid away from the cutting face (60) and is surrounde...	08/19/1986
4574895	Solid head bit with tungsten carbide central core A solid head earth boring bit has a central tungsten carbide core sealed at the lower end of a drilling fluid passage that extends through the bit to the face of the bit. The core has a nozzle passage extending through it that is offset from the axis of t...	03/11/1986
4527642	Earth-boring drill bit with rectangular nozzles Earth-boring drill bits with one or more substantially rectangular nozzles through which drilling fluid is discharged to clean and cool the bit cutters and flush the cuttings produced by the bit from the drilling region to the top of the bore hole. The re...	07/09/1985
4360069	Diamond drill bits A drill bit having a lower formation engaging face thereon and a plurality of radially spaced apart slots which communicate the face with an upper reduced part of the bit body so that drilling fluid can be returned to the surface of the earth. The bit has...	11/23/1982
4323130	Drill bit A new and improved drill bit for connection on a drill string has a hollow tubular body with an end cutting face and an exterior peripheral stabilizer surface with cylindrical sintered carbide inserts positioned therein. Nozzle passages extend from the in...	04/06/1982
4303136	Fluid passage formed by diamond insert studs for drag bits Diamond drag bits with a multiplicity of individual diamond insert studs standing-off from the face of the bit require fluid over and around each separate insert to cool and clean the stud. An axially aligned fluid passage formed within the insert stud co...	12/01/1981

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Class 175/429 - Including a nozzle