Miscellaneous (e.g., Earth-boring Nozzle) Patents (Class 175/424)
  • Patent number: 9441432
    Abstract: This disclosure is related to downhole tool having an erosion resistant material metalurgically bonded to portions of the downhole tool. The downhole tool can have the erosion resistant material can be disposed on predetermined portions of inner and outer surfaces of the downhole tool. The disclosure is also related to a method of using the downhole tool described herein.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: September 13, 2016
    Assignee: Thru Tubing Solutions, Inc.
    Inventors: Roger Schultz, Brock Watson
  • Patent number: 9376904
    Abstract: Provided are an apparatus and method for solution mining using cycling process in which a solvent is injected into underground useful ores to dissolve the useful ores and then collected again to obtain the useful ores. The cycling solution mining method includes a boring process for excavating the underground up to an ore deposit, a fracturing process to generate cracks in the ore deposit, an injection process for inserting a mining apparatus including an insertion rod having a pipe shape up to a lower portion of the well to inject a solvent that dissolves the useful ores into the ore deposit through the insertion rod, wherein a rotation force is applied to the solvent discharged from the insertion rod to increase a diffusion force of the solvent, and a production process for collecting the solvent, in which the useful ores are dissolved, again.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: June 28, 2016
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES (KIGAM)
    Inventor: Dong-kil Lee
  • Patent number: 9145738
    Abstract: A jetting nozzle for forming boreholes or for cleaning out other tubular formations has a vibration-inducing mechanism that maximizing penetration rates and expands the diameter of the boreholes. The vibration-inducing mechanism can be an internal turbine responsive to the flow of pressurized jetting fluid through the nozzle. The nozzle has forward openings defining a voraxial spray pattern for the forward-directed jetting portion of the fluid exiting the nozzle. The nozzle can also have a pointed end that is adapted to penetrate the formation. The vibration also reduces friction between the fluid supply hose and the borehole being jetted through the formation by the nozzle. A system for forming boreholes with the jetting nozzle and a method of forming boreholes is also disclosed.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: September 29, 2015
    Inventor: Kevin Mazarac
  • Publication number: 20150107905
    Abstract: A hydraulic borehole mining system controlled and operated above-ground includes a high-pressure cutting nozzle that is delivered to an underground resource body through a relatively small diameter borehole. A series of water and air fluid streams at various pressures are delivered to the resource body, and the target resource is disaggregated and/or fluidized and conveyed back to surface via the hydraulic borehole mining pipe which serves as the conveyor of the system. The mining pipe is used to transport a high-pressure stream of combined air and water fluids that have been directed and aligned into laminar flow to a focused water jet cutting head. The central bore of the mining pipe brings the slurrified resource to the surface. The mining pipe transports the slurry via hydraulic airlift, fluid eduction or both.
    Type: Application
    Filed: October 13, 2014
    Publication date: April 23, 2015
    Inventors: Colin B. Kinley, Andrew Mac Ewen
  • Patent number: 8939234
    Abstract: A method for drilling a borehole in an earthen formation comprises (a) providing a drilling system including a drillstring having a longitudinal axis, a bottom-hole assembly coupled to a lower end of the drillstring, and a drill bit coupled to a lower end of the bottom-hole assembly. In addition, the method comprises (b) rotating the drill bit at a rotational speed. Further, the method comprises (c) applying weight-on-bit to the drill bit and advancing the drill bit through the formation to form the borehole. Still further, the method comprises (d) pumping a drilling fluid down the drillstring to the drill bit. The drilling fluid has a flow rate down the drillstring. Moreover, the method comprises (e) oscillating the rotational speed of the drill bit during (c). The method also comprises (f) generating non-steady state conditions in the borehole during (e).
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: January 27, 2015
    Assignee: National Oilwell Varco, L.P.
    Inventors: Robert Eugene Mebane, III, Frederick Ray Florence
  • Patent number: 8939202
    Abstract: A fracturing jet nozzle assembly features a series of angles nozzles on a rotatably mounted plate that operates in conjunction with a central nozzle or nozzles. The slanted nozzles are aimed into the perforation where the central nozzle is aimed directly so that the rotation of the nozzle plate from the slanted nozzles results in cyclic impacts in the perforation from where the fractures will propagate. The cyclic loading results in greater fracture formation and propagation. In another variation, relatively movable plates employing slanted nozzles rotate one plate with respect to another to get the effect of cyclic pulses of jetting fluid impingement in the perforation to enhance formation and propagation of fractures from the perforation.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: January 27, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Richard Yingqing Xu, Steve Rosenblatt
  • Patent number: 8925653
    Abstract: A method and system are provided for injecting high pressure abrasive fluid into an abrasive jet tool. The method and system comprise a slurry tank connected to an abrasive hopper and a low pressure abrasive pump for circulating abrasive slurry and transferring the slurry to a high pressure vessel. The method and system also contain a high pressure non-abrasive pump connected to a high pressure valve for pressurizing the high pressure vessel prior to injecting abrasive fluid into the abrasive jet tool.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: January 6, 2015
    Assignee: TD Tools, Inc.
    Inventors: Thomas L. Dotson, Henry Wohltjen
  • Patent number: 8904703
    Abstract: Apparatus and method for boring into the earth near a Kudzu vine root system to apply herbicidal helium gas to the roots and eradicate the Kudzu vine. The technique uses a perforated tube with a drill bit that protrudes from one end of the tube to bore into the earth near the vine roots. Boring is stopped when all of the tube perforations are below the earth's surface. About 0.5 cubic meters of helium gas are applied to flow through the tube enabling the helium gas to flow out through the tube perforations and attack the Kudzu vine through the vine's root system.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: December 9, 2014
    Inventor: Jacob Harrison Schindler
  • Patent number: 8833444
    Abstract: A system, apparatus and method for abrasive jet fluid cutting is provided wherein an abrasive jet fluid cutting assembly comprises a hose for receiving a coherent abrasive jet-fluid containing a solid abrasive; a helix/spring attached inside the high-pressure hose; and a jet-nozzle connected to the hose. Wherein the coherent abrasive laden jet-fluid is pumped under high pressure through the high-pressure hose and across the helix. As the jet-fluid traverses the helix, the jet-fluid rotates at a high rate creating a vortex. The disclosed subject matter further includes a system and method for using the abrasive jet fluid cutting nozzle assembly.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: September 16, 2014
    Inventors: Wesley Mark McAfee, Mark Franklin Alley
  • Patent number: 8807243
    Abstract: Systems and methods for reducing the amount of torque transferred to the Bottom Hole Assembly and the drill string during drilling operations are disclosed. The drill string includes an optionally non-rotatable portion. A rotational hold down system is positioned at a first position on the drill string where it is not rotationally coupled to the drill string. The rotational hold down system is then moved to a second position on the drill string where it is rotationally coupled to the optionally non-rotatable portion of the drill string. In the second position, one or more bars on the rotational hold down system substantially prevent rotation of the optionally non-rotatable portion of the drill string.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: August 19, 2014
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jim B. Surjaatmadja, Loyd East
  • Publication number: 20140158357
    Abstract: A downhole hydraulic tool employing multiple nozzles in a selectable fashion from an oilfield surface. At least one of the nozzles of the tool is equipped with a burst disk such that fluid pressure directed from the surface may be utilized in activating the nozzle. The pressure may be driven to exceed a predetermined level for sake of the activating by way of sealing off access to other nozzle(s) therebelow, for example, by way of standard ball drop techniques. Thus, nozzle selectivity may be taken advantage of when a first nozzle wears out without requiring time consuming removal of the tool from the well for sake of remedial repairs or replacement.
    Type: Application
    Filed: December 20, 2013
    Publication date: June 12, 2014
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: VICTOR LYASHKOV, MARK C. OETTLI
  • Patent number: 8720544
    Abstract: A fracturing jet nozzle assembly has nested telescoping sections that each have nozzles in them. The outermost stage makes for a large perforation as it and the adjacent stages begin extension. As the stage adjacent the outermost stage continues to extend into the perforation and reaches maximum extension the nozzles in the outermost stage are cut off from fracturing fluid flow and that flow is in turn redirected to the remaining stages that have not yet fully extended. The innermost stage preferably does not get cut off from jet fluid flow even at its full extension.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: May 13, 2014
    Assignee: Baker Hughes Incorporated
    Inventor: Richard Yingqing Xu
  • Publication number: 20140124201
    Abstract: A downhole hydraulic tool employing multiple nozzles in a selectable fashion from an oilfield surface. At least one of the nozzles of the tool is equipped with a burst disk such that fluid pressure directed from the surface may be utilized in activating the nozzle. The pressure may be driven to exceed a predetermined level for sake of the activating by way of sealing off access to other nozzle(s) therebelow, for example, by way of standard ball drop techniques. Thus, nozzle selectivity may be taken advantage of when a first nozzle wears out without requiring time consuming removal of the tool from the well for sake of remedial repairs or replacement.
    Type: Application
    Filed: November 2, 2012
    Publication date: May 8, 2014
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Victor Lyashkov, Mark Callister Oettli
  • Publication number: 20140102801
    Abstract: The present invention relates to a formation penetrating tool submersible into a casing in a well for hydraulically penetrating a formation and having a longitudinal tool axis, comprising a tool housing, a supply hose, slidable in the tool housing, for supplying a high pressurised fluid to a nozzle, and the tool housing having an opening through which the supply hose and the nozzle are led to penetrate the formation, wherein the formation penetrating tool further comprises a pump arranged in the tool housing, the pump being in fluid communication with the supply hose for providing a jet of fluid out of the nozzle for penetrating the formation. Furthermore, the invention relates to a downhole system comprising a formation penetrating tool according to the invention and to a method for hydraulically penetrating a formation.
    Type: Application
    Filed: May 30, 2012
    Publication date: April 17, 2014
    Applicant: WELLTEC A/S
    Inventors: Jørgen Hallundbæk, Lars Mangal
  • Patent number: 8662204
    Abstract: A core barrel restraint adapted to prevent inadvertent dropping of a core barrel assembly during retrieval of a core sample can include a cup adapted to fit over an overshot and a brace adapted to be coupled to a core barrel assembly. A cable can connect the cup and brace and prevent the core barrel from falling if the overshot latch mechanism holding the core barrel assembly and overshot together fails.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: March 4, 2014
    Assignee: Longyear TM, Inc.
    Inventors: Emil Kolev, Nathan Kaesler
  • Patent number: 8662795
    Abstract: A head includes an outer cylindrical body with at least one upper inlet for fluids, at least one outlet side nozzle and at least one helical duct having a helical central line. The duct connects the upper inlet to the nozzle and imparts the fluid flowing through it a helical motion about the longitudinal axis of the outer body towards the nozzle. The helical duct is progressively tapered towards the nozzle and includes a terminal length of the duct which is radiused to the nozzle in a tapered manner, both when viewed in cross-sectional planes parallel to the longitudinal axis and tangent to the helical central line, as well as when viewed in cross-sectional planes perpendicular to the longitudinal axis.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: March 4, 2014
    Assignee: Trevi S.p.A.
    Inventor: Cesare Saccani
  • Publication number: 20140048333
    Abstract: This disclosure is related to a perforator tool and a method of using the perforator tool to perforate a formation. The perforator tool can include a first and second sleeve and optionally a third sleeve. The perforator tool can also include at least one perforation opening and at least one circulation port. The sleeves are slidably disposed within the perforator tool and can be displaced to permit perforation of the formation, block the perforation openings and open circulation ports.
    Type: Application
    Filed: August 1, 2013
    Publication date: February 20, 2014
    Applicant: Thru Tubing Solutions, Inc.
    Inventors: Brett Fears, Jason Burke, Roger Schultz
  • Patent number: 8640781
    Abstract: A method and device for deploying a cable and an apparatus in a ground formation having a motherbore, wherein the method comprises positioning a non-rotating drill pipe, a cable and an apparatus in a motherbore tubular; and drilling a lateral opening relatively the motherbore by displacing the drill pipe into the formation with the cable and apparatus attached.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: February 4, 2014
    Assignee: Fishbones AS
    Inventor: Rune Freyer
  • Patent number: 8636085
    Abstract: The removal of material from the path of a high power laser beam during down hole laser operations including drilling of a borehole and removal of displaced laser effected borehole material from the borehole during laser operations. In particular, paths, dynamics and parameters of fluid flows for use in conjunction with a laser bottom hole assembly.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: January 28, 2014
    Assignee: Foro Energy, Inc.
    Inventors: Charles C. Rinzler, Mark S. Zediker, Brian O. Faircloth, Joel F. Moxley
  • Publication number: 20140000967
    Abstract: A fluid drilling head for drilling a bore hole through rock. The fluid drilling head has a rotatable nozzle assembly incorporating a plurality of nozzles arranged to form fluid jets when provided with a supply of drilling fluid under pressure. The fluid jets include pilot jets directed in the general direction of movement of the drilling head and reaming jets directed generally radially and arranged to enlarge the initial hole formed by the pilot jets. A gauging ring is located behind the cutting head and sized to the intended diameter of the bore hole. The gauging ring is arranged to slide axially relative to the rotating cutting head between a rearward position where the reaming jets are exposed, and a forward position where some or all of the reaming jets are shrouded by the gauging ring and inhibited from enlarging the diameter of the bore hole.
    Type: Application
    Filed: February 23, 2012
    Publication date: January 2, 2014
    Applicant: CMTE DEVELOPMENT LIMITED
    Inventor: Scott Christopher Adam
  • Patent number: 8613373
    Abstract: A tubing tray is provided for use with a pipe mat tray for receiving, organizing and storing drill pipe tripped out of a drill string on a drilling rig, the tubing tray having a planar bottom member, an orthogonal sidewall extending upwardly from the perimeter of the bottom member to form a basin for receiving the pipe mat, a chamfered sidewall extending upwardly and outwardly from the sidewall to provide clearance for a tool joint on a drill pipe placed on the pipe mat, and a handle extending around a top edge of the chamfered sidewall, the handle having a downwardly extending lip forming a finder hold thereunder. The tray can further include spikes extending downwardly from a lower surface of the bottom member, and a slot disposed through opposing lips of the handle allowing two or more tubing trays to be fastened together in a side by side configuration.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: December 24, 2013
    Inventors: Quinn A. J. Holtby, Dallas Laird Greenwood
  • Patent number: 8590637
    Abstract: A jetting hose is conveyed downhole retracted on the end of a tubing string (coiled tubing) for jetting lateral boreholes from a main wellbore. The apparatus allows the operator to sense the speed at which the jetting hose and nozzle are penetrating the formation and adjust the coiled tubing feed-in rate accordingly, optimizing both the direction and length of the lateral borehole relative to the main wellbore.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: November 26, 2013
    Inventors: Charles Brunet, Michel Bouchard, Kevin Mazarac
  • Patent number: 8544569
    Abstract: An offset rock bit (12) has a steering face (28) and a shoe (30) provided by a recess formed into the steering face (28). A slot (66) formed into the shoe (30) for receiving a pull back adapter (50) in a centrally located position in the forward end of the offset rock bit (12). The pull back 5 adapter (50) has a pull back eye (52) with a central axis (62) which is aligned with a centrally disposed longitudinal axis (20) of the offset rock bit (12) and the tool string (10). This aligns the pull back eye (52) of the pull back adapter (50) with a borehole formed using the offset rock bit (12). The pull back adapter (50) also includes side edges (54, 56) which are configured for centering the pull back adapter (50) and pull back conduit within the borehole.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: October 1, 2013
    Assignee: Radius HDD Direct, LLC
    Inventors: Ronald F. Wright, David G. Bullock
  • Patent number: 8485279
    Abstract: A system for use in excavating a wellbore that includes a drill string and attached drill bit that has nozzles that are in fluid communication with the drill string. The system receives pressurized slurry of fluid and impactor particles and directs the slurry at a subterranean formation from the nozzles to form the wellbore. Discharge streams are formed from the slurry exiting the nozzles, the discharge streams impact and fracture the formation to remove material. The nozzles are oriented so that the streams excavate in the middle and periphery of the borehole bottom. The nozzles can be oriented to form frusto-conical spray patterns when the bit is rotated, wherein the spray patterns can intersect or overlap.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: July 16, 2013
    Assignee: PDTI Holdings, LLC
    Inventors: Gordon A. Tibbitts, Greg Galloway, Jim B. Terry
  • Patent number: 8408304
    Abstract: A bearing for a wellbore tool includes a flow device. The flow device may be a pump such as a positive displacement pump or a hydrodynamic pump. In arrangements, a pump stator connects to a wellbore wall. A pump rotor rotates with a drilling motor, and/or a drill string. Rotation of the pump rotor may generate a pressure differential to displace the fluid. The pump may be configured to flow fluid across a gap between a rotating section and a non-rotating section of the bearing. The fluid may be drawn from a wellbore annulus and also returned into the wellbore annulus. The bearing may support thrust loadings and/or a radial loadings. In embodiments, inserts in the bearing may be used to filter the fluid.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: April 2, 2013
    Assignee: Baker Hughes Incorporated
    Inventors: Olof Hummes, Bernd Santelmann, Sven Kruger
  • Patent number: 8312939
    Abstract: An internally rotating nozzle for facilitating drilling through a subterranean formation is rotatably mounted internally within a housing connected to a hose for receiving high pressure fluid. The rotor includes at least two tangential jets oriented off of center for ejecting fluid to generate torque and rotate the rotor and cut a substantially cylindrical tunnel in the subterranean formation.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: November 20, 2012
    Inventors: David A. Belew, Barry Belew, Alice Belew
  • Publication number: 20120273276
    Abstract: A method is for making a relatively long and narrow penetration in the ground where a jetting head that has a longitudinal axis is attached to a leading end of a tubular. The method comprises providing the jetting head with at least one fixed nozzle that is positioned at the leading end portion of the jetting head and where the fixed nozzle has an elongated cross section; and flowing liquid through the nozzle where a resulting liquid fan is directed towards the ground in front of the jetting head.
    Type: Application
    Filed: April 28, 2011
    Publication date: November 1, 2012
    Applicant: Fishbones AS
    Inventor: Rune Freyer
  • Publication number: 20120273277
    Abstract: A method of drilling into an object comprises providing a drill string in a borehole in the object, the borehole having at its bottom a borehole axis, the drill string comprising a borehole-centralized jet drill head at its lower end, the jet drill head having a drill axis, and comprising a jet nozzle; providing a stabilizer means for the drill string, the stabilizer means determining an inclination angle between the borehole axis and the drill axis; and generating a fluid jet at the jet nozzle, so as to deepen the borehole, wherein the drill string is rotated while deepening the borehole. Another system comprises a drill string with an jet drill head at its lower end, the drill head being provided with a jet nozzle, a stabilizer positioned above the jet drill head, the stabilizer contacting the borehole wall, and means for rotating the drill string.
    Type: Application
    Filed: December 22, 2010
    Publication date: November 1, 2012
    Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
    Inventors: Jan-Jette Blangé, Pieter Van Nieuwkoop
  • Publication number: 20120261194
    Abstract: Method of drilling a borehole into an object, the method comprising providing a first borehole section (5) extending into the object from its surface; running a first drill string part (3a) including a fluid jet drill head (10) in the first borehole section, wherein the first drill string part comprises a length of flexible tubing; generating fluid jet so as to blast with an erosive power on an impingement area of the borehole, thereby deepening the borehole to provide a second borehole section (5a), and assembling a plurality of jointed pipe elements (11) forming a second drill string part (11a) to the top of the length of flexible tubing in the course of providing the second borehole section; and hybrid drill string (16), comprising a length of flexible (3) tubing as well as a plurality of jointed pipe elements (11), and further comprising a bottomhole assembly comprising a fluid jet drill head (10).
    Type: Application
    Filed: December 22, 2010
    Publication date: October 18, 2012
    Inventor: Jan-Jette Blangé
  • Publication number: 20120255791
    Abstract: A method of drilling comprises providing a drill string in a borehole, the drill siring comprising an abrasive jet drill head including a jet nozzle, and providing a fluid passageway between the object's surface and the jet nozzle; supplying a fluid mixture comprising magnetic particles to the abrasive jet drill head and blasting from the nozzle an abrasive jet into impingement with the object; and modulating a jetting concentration of magnetic particles in the abrasive jet by modulating a magnetic field a first value, at which magnetic particles are collected from the fluid mixture, and a second value, at which magnetic particles are released into the fluid mixture. Further, an abrasive jet drilling assembly comprising a modulation means for modulating the concentration of the magnetic abrasive particles in the fluid jet a modulation control means for selectively changing a magnetic field between first and second values.
    Type: Application
    Filed: December 22, 2010
    Publication date: October 11, 2012
    Inventors: Jan-Jette Blangé, Pieter Van Nieuwkoop
  • Publication number: 20120255792
    Abstract: A method of drilling comprises providing a drill string in a borehole, the drill string comprising an abrasive jet drill head including a jet nozzle and providing a passageway for fluid to the nozzle; supplying a supply fluid comprising a supply concentration of abrasive particles to the jet drill head; generating an jet comprising a jetting concentration of abrasive particles at the nozzle, wherein the jetting concentration depends on the supply concentration; and modulating the jetting concentration; wherein the supply concentration is modulated in order to modulate the jetting concentration. Further, an drilling assembly comprising an drill head with a jet nozzle, a passageway for fluid from a drill string to the jet nozzle, and a modulation means arranged along the fluid passageway for modulating the concentration of abrasive particles in fluid flowing through the fluid passageway towards the jet nozzle.
    Type: Application
    Filed: December 22, 2010
    Publication date: October 11, 2012
    Inventors: Jan-Jette Blangé, Pieter Van Nieuwkoop
  • Patent number: 8267181
    Abstract: Apparatus and methods for performing downhole operations. The apparatus can include a sealing mechanism having an inner bore formed therethrough; a check valve adjacent the sealing mechanism; a circulation device adjacent the check valve; and a rotatable nozzle adjacent the circulation device. The circulation device can include a first tubular member having a radial hole formed therethrough, and a second tubular member disposed about at least a portion of the first tubular member. The second tubular member can also have a radial hole formed therethrough, and the second tubular member can be adapted to longitudinally move about the first tubular member from a first position to a second position.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: September 18, 2012
    Assignee: Schlumberger Technology Corporation
    Inventor: Luis Felipe Peixoto
  • Patent number: 8256533
    Abstract: A distance holder for connection to, and rotation with, a drill string in an earth formation drilling device arranged to supply a jet of abrasive fluid for the purpose of providing a borehole by removing earth formation material through abrasion, comprises a housing with a chamber which is essentially rotational symmetric and which is to face the earth formation material, and a jet nozzle which arranged for discharging a jet of the abrasive fluid in the chamber, the housing comprising at least one slot for allowing the abrasive fluid to leave the chamber. The slot is continued over the housing outer surface so as to counteract rolling motions of the particles which are comprised in the abrasive fluid.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: September 4, 2012
    Assignee: Shell Oil Company
    Inventor: Jan-Jette Blangé
  • Patent number: 8230947
    Abstract: A method for selecting a drilling motor for rotating a drill bit relative to a drill string made up of casing accounts for a tendency for the casing to elongate as the internal pressure increases. The increase in pressure in the casing string increases the weight on the drill bit, the amount of which may be calculated based on the size and type of the string of casing. The ratio of bit torque over the weight on the bit may be assumed to be a constant number based on empirical measurements or a theoretical model. The increase in the weight on the drill bit can be expressed in terms of the bit torque versus the casing pressure, which is a linear slope. This linear slope may be compared to the delivery torque of candidate motors.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: July 31, 2012
    Assignee: Tesco Corporation
    Inventor: Tommy M. Warren
  • Publication number: 20120181089
    Abstract: An earthen hole drilling device having an elongated tube with first and second ends where a source of vacuum pressure is connected to the first end and shroud is connected to the second end. A waterline is connected to a source of pressurized water at one end and extends into an interior of the shroud through an opening where the line is connected to a nozzle that is angled at 45°. The shroud additionally has at least one opening that allows air induction/conduction through the shroud in order to dislodge material that accumulates within the shroud.
    Type: Application
    Filed: January 13, 2011
    Publication date: July 19, 2012
    Inventor: William R. Van Zante
  • Publication number: 20120160568
    Abstract: The present invention generally relates to an abrasive jet drilling assembly. In one aspect, a resettable circulation tool for use in an abrasive jet drilling assembly is provided. The resettable circulation tool includes an inner body having a first port in fluid communication with a bore. The resettable circulation tool further includes an outer body having a second port. Additionally, the resettable circulation tool includes a cam member configured to move along one or more slots, wherein the bodies move relative to each other to selectively align and misalign the first port and the second port as the cam member moves along the slots. In another aspect, a method of using a resettable circulation tool disposed in an abrasive jet drilling assembly includes moving the first and second ports into and out of alignment.
    Type: Application
    Filed: December 27, 2011
    Publication date: June 28, 2012
    Inventors: Richard Dennis Bottos, David William Blacklaw
  • Publication number: 20120160567
    Abstract: A jet drill coupled to a distal end of a flexible jet lance is lowered into a well casing and advanced through a curved passage formed in a deflection shoe oriented to direct the jet drill through an orifice milled in the well casing. The jet drill is actuated with a pressurized fluid produced by a pump on the surface that is conveyed through a high pressure hose that runs through the flexible jet lance. Force transmitted through a thrust liner of the jet lance advances the jet drill while the lateral bore is being drilled. The thrust liner comprises helical coils of steel wire providing a high elastic modulus and buckling resistance, even while passing through the curved passage. Tension cables in the jet lance maintain tension on the thrust liner and enable the assembly to be pulled from the lateral bore and well.
    Type: Application
    Filed: December 16, 2011
    Publication date: June 28, 2012
    Inventors: David Belew, Jack J. Kolle, Mark H. Marvin
  • Patent number: 8205672
    Abstract: A bottom hole assembly connected to coiled tubing to create an acid tunnel in a wellbore formation. High pressure acid is pumped down the coiled tubing and out a nozzle located at the end of the bottom hole assembly. The bottom hole assembly includes a first reversible knuckle joint and a second reversible knuckle joint to properly position the nozzle against the wellbore and to allow the assembly to adjust its angle as it initiates and moves through the lateral tunnel. The two reversible knuckle joints increases the radius of curvature of the bottom hole assembly while providing a sufficient attack angle for the nozzle against the wellbore. The two knuckle joints may be adjusted in response to loads applied on the assembly as the assembly moves through the lateral tunnel.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: June 26, 2012
    Assignee: Baker Hughes Incorporated
    Inventors: John Gordon Misselbrook, Alexander Raphael Crabtree, Lance N. Portman
  • Patent number: 8191650
    Abstract: A drive shoe assembly used in helping penetrate earthen formations.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: June 5, 2012
    Inventor: Clayton J. Domingue
  • Patent number: 8186459
    Abstract: A flexible hose and a method of well drilling are provided herein. In embodiments, the hose includes a forward end, a rearward end, a thruster port and a shut-off valve. The rearward end is configured to be in fluid communication with a source of high pressure drilling fluid. The thruster port is located upstream of the forward end. The thruster port is configured to emit drilling fluid in a substantially rearward direction. The shut-off valve is located between the forward end and the thruster port and is configured to shut off flow of drilling fluid downstream.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: May 29, 2012
    Assignee: Horizontal Expansion Tech, LLC
    Inventor: Henry B. Mazorow
  • Patent number: 8167060
    Abstract: A jetting hose is conveyed downhole retracted within a tubing string for jetting lateral boreholes from a main wellbore, is released at the jetting depth and pumped from the tubing string and into a lateral borehole with jetting fluid. A piston is secured to the upper end of the jetting hose, and the pumped jetting fluid drives the piston. A speed control regulates the penetration rate of the jetting hose into the formation independent of the tubing string weight.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: May 1, 2012
    Inventors: Charles Brunet, Michel Bouchard
  • Patent number: 8162079
    Abstract: A system and method for excavating a formation according to which at least one vessel that is selectively pressurized from a first pressure to second pressure to inject a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: April 24, 2012
    Assignee: PDTI Holdings, LLC
    Inventors: Nathan J. Harder, Harry B. Curlett, Paul O. Padgett, Butch Hazel
  • Patent number: 8152415
    Abstract: A method and apparatus for forming a support aggregate pier having compacted aggregate lifts in a soil matrix, includes an elongate, hollow tube with a bulbous leading end bottom head element that is forced or lowered into the soil matrix. The hollow tube includes a mechanism for releasing aggregate from the lower head element of the tube as the tube is lifted in predetermined increments. The same hollow tube is then lowered or pushed in predetermined increments to vertically compact the released aggregate in thin aggregate lifts, while forcing a portion of the compacted aggregate transaxially into the soil matrix at the sidewalls of the cavity. The process may be repeated to form a series of compacted aggregate lifts comprising an aggregate pier or the process may include forming only a single lift for the aggregate pier while densifying adjacent matrix soils and imparting lateral stress in these soils.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: April 10, 2012
    Assignee: Geopier Foundation Company, Inc.
    Inventors: Nathaniel S. Fox, Lorenz Weppler
  • Patent number: 8141659
    Abstract: A method and apparatus for penetrating a side of a well casing and/or drilling into earth strata surrounding the well casing, utilizing a rotating fluid discharge nozzle, and an abrasive introduced into the fluid downstream of apparatus for rotating the nozzle. Apparatus for rotating the nozzle can include a motor operable by pressurized fluid, or another suitable rotating power source The introduction of the abrasives will not adversely affect or harm the apparatus for rotating the nozzle, yet will provide the enhanced drilling capability. The abrasive stream can be used for drilling or cutting through a metal well casing, as well as cement and the adjacent strata.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: March 27, 2012
    Assignee: Latjet Systems LLC
    Inventor: Jasper N. Peters
  • Patent number: 8122979
    Abstract: An offset rock bit (12) has a steering face (28) and a shoe (30) provided by a recess formed into the steering face (28). A slot (66) formed into the shoe (30) for receiving a pull back adapter (50) in a centrally located position in the forward end of the offset rock bit (12). The pull back adapter (50) has a pull back eye (52) with a central axis (62) which is aligned with a centrally disposed longitudinal axis (20) of the offset rock bit (12) and the tool string (10). This aligns the pull back eye (52) of the pull back adapter (50) with a borehole formed using the offset rock bit (12). The pull back adapter (50) also includes side edges (54, 56) which are configured for centering the pull back adapter (50) and pull back conduit within the borehole.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: February 28, 2012
    Assignee: Radius HDD Direct, LLC
    Inventors: Ronald F. Wright, Jr., David G. Bullock
  • Patent number: 8113300
    Abstract: A method and system for excavating a subterranean formation including pumping a fluid through a nozzle such that an exit velocity of the fluid is greater than an entrance velocity of the fluid. A plurality of solid material impactors may be circulated with the fluid through the nozzle. A substantial portion by weight of the solid material impactors has a mean diameter of approximately 0.100 inches or less. The substantial portion by weight of solid material impactors exit the nozzle, contact the formation and rebound into a junk slot.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: February 14, 2012
    Assignee: PDTI Holdings, LLC
    Inventor: Gordon Tibbitts
  • Patent number: 8109345
    Abstract: A system and method is provided for drilling a wellbore using a rotary drill bit with a bit body having a plurality of mechanical cutters to cut away formation material as the wellbore is formed and a directed energy mechanism to direct energy into the formation. The energy from the directed energy mechanism is used to enhance the cutting of the mechanical cutters by fracturing surrounding material to facilitate drilling in the direction of the directed energy.
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: February 7, 2012
    Assignee: Schlumberger Technology Corporation
    Inventor: Benjamin Peter Jeffryes
  • Publication number: 20120012400
    Abstract: A head includes an outer cylindrical body with at least one upper inlet for fluids, at least one outlet side nozzle and at least one helical duct having a helical central line. The duct connects the upper inlet to the nozzle and imparts the fluid flowing through it a helical motion about the longitudinal axis of the outer body towards the nozzle. The helical duct is progressively tapered towards the nozzle and includes a terminal length of the duct which is radiused to the nozzle in a tapered manner, both when viewed in cross-sectional planes parallel to the longitudinal axis and tangent to the helical central line, as well as when viewed in cross-sectional planes perpendicular to the longitudinal axis.
    Type: Application
    Filed: July 12, 2011
    Publication date: January 19, 2012
    Applicant: Trevi S.p.A.
    Inventor: Cesare SACCANI
  • Patent number: 8096370
    Abstract: The invention relates to an apparatus and a method for producing nozzle jet columns underground comprising a bore and nozzle rod arrangement (1) for producing a borehole and a nozzle jet column in the region of the borehole, and a measuring device (14) for measuring the nozzle jet column, in particular the diameter of the nozzle jet column, the measuring device (14) being at least partially integrated into the bore and nozzle rod arrangement (1) so that it is possible to measure the nozzle jet column using the mechanical measuring device (14) without the bore and nozzle rod arrangement (1) having previously been withdrawn from the borehole.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: January 17, 2012
    Assignee: GuD Ingenieurburo fur Spezialtiefbau GmbH
    Inventor: Nikolaus Schneider
  • Patent number: 8091654
    Abstract: A drill bit for drilling through an earthen formation to form a borehole includes a bit body having a central axis, an internal plenum, and an underside. The underside includes an annular outer region. The bit body includes an outer receptacle extending from the plenum to the outer region. In addition, the drill bit comprises a first and a second cone cutter. Each cone cutter comprises an outer region distal the bit axis. Further the drill bit comprises an outer sleeve having an upstream end received by the outer sleeve receptacle and a through passage. The through passage includes an upstream section having an upstream axis and a downstream section having a downstream axis that is skewed at an angle ? relative to the upstream axis. A projection of the downstream axis passes between the outer regions of the first and second cone cutters.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: January 10, 2012
    Assignee: Smith International, Inc
    Inventors: Luca Tedeschi, James L. Larsen, Gary Portwood, Riccardo Gronchi