Patents Assigned to Canrig Drilling Technology, Ltd.
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Patent number: 10615666Abstract: An electric motor having internal closed loop cooling includes a cooling chamber coupled to the stator cover of the electric motor. A fan is positioned to circulate air through the interior of the electric motor and the cooling chamber. A heat sink in the cooling chamber removes heat from the circulating air. The heat sink may be coupled to a fluid cooling jacket to transfer heat thereto or therefrom.Type: GrantFiled: September 13, 2017Date of Patent: April 7, 2020Assignee: Canrig Drilling Technology Ltd.Inventors: Charles Patrick, Kevin Williams
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Patent number: 10520397Abstract: Multiple methods and corresponding apparatuses for efficient and reliable defect diagnosis in components of mechanical systems, are described. According to one aspect, multi-scale enveloping-order spectrogram is used to diagnose, or detect, defects in a moving component of a mechanical system. According to another aspect, defect identification and diagnosis in a motor is performed based on spectral characteristics of motor current envelope. According to yet another aspect, a logic rule model, employing classification of features associated with single- or multi-sensor data, is employed for diagnosis of defects in components of mechanical systems.Type: GrantFiled: May 31, 2012Date of Patent: December 31, 2019Assignees: University of Connecticut, Canrig Drilling Technology Ltd.Inventors: Robert X. Gao, Jinjiang Wang, Ruqiang Yan, Brian Charles Ellis, Boone Elbert Smith, Jose Abelardo Sanchez Puente
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Patent number: 10295119Abstract: A device for a drill rig comprising a ruggedized housing and a sensor contained in the ruggedized housing, the sensor adapted to measure at least one condition of a lubrication oil of an equipment on the drill rig. In an embodiment, the ruggedized housing can have a Class I, Division 1 & 2 standard rating according to UL1203 & FM3600(3615).Type: GrantFiled: June 25, 2015Date of Patent: May 21, 2019Assignee: Canrig Drilling Technology Ltd.Inventors: Boone Elbert Smith, Jose Abelardo Sanchez
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Patent number: 10000981Abstract: A back pressure control system adapted to be at least partially integrated with a drill rig.Type: GrantFiled: March 17, 2015Date of Patent: June 19, 2018Assignee: CANRIG DRILLING TECHNOLOGIES LTD.Inventors: Darcy Nott, Stuart Butler, Dean Rambo
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Patent number: 9952119Abstract: A drilling assembly including a sensor coupled to a gear, the gear in direct or indirect rotational communication with a component of drilling assembly, such as a bull gear or a pipe handler. The drilling assembly further including a logic device configured to calculate a wear status of the drilling assembly, indicating wear of one or more components of the drilling assembly. The logic device can also be configured to calculate an alignment value of the gear for engagement of a locking device.Type: GrantFiled: March 4, 2015Date of Patent: April 24, 2018Assignee: Canrig Drilling Technology Ltd.Inventors: Godwin Simanjuntak, Michael Macklin
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Patent number: 9863194Abstract: A system for manipulating tubulars for subterranean operations includes a remote-controlled tubular lift system (RCTLS) having an engagement head configured to engage a proximal end region of a tubular and change the position of the tubular from a substantially horizontal position to a substantially vertical position, wherein in the vertical position a longitudinal axis of the tubular has an angular variation with respect to a predetermined vertical axis of not greater than about 5 degrees.Type: GrantFiled: May 2, 2014Date of Patent: January 9, 2018Assignee: Canrig Drilling Technology Ltd.Inventor: Brendan Larkin
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Patent number: 9819236Abstract: A method for coupling a permanent magnet to a rotor body of an electric motor includes providing a rotor body having an outer surface. A mounting hole is formed in the rotor body. A permanent magnet in the form of an annular section is provided. The concave surface of the permanent magnet has a diameter generally equal to the outer diameter of the rotor body. The permanent magnet has a hole formed therein to receive the threaded connector, the hole having a countersink at the convex surface of the permanent magnet. The permanent magnet is positioned on the outer surface of the rotor body such that the hole lines up with the mounting hole, an elastomeric body is positioned in the countersink, and the threaded connector is positioned through the elastomeric body and the hole of the permanent magnet to couple to the rotor body.Type: GrantFiled: February 2, 2015Date of Patent: November 14, 2017Assignee: Canrig Drilling Technology Ltd.Inventors: Kevin Williams, Charles Patrick
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Patent number: 9810028Abstract: An improved gap sub assembly that can withstand the rigors of directional drilling, while still being cost effective and easy to deploy at the drill site. Embodiments can be assembled by sliding a mandrel into a housing without any threading or clocking, filling the gap between the housing and mandrel with an electrically isolating material, and curing the electrically isolating material to mechanically couple the housing and mandrel. In some embodiments, the interior surface of the housing and the outer surface of the mandrel comprise a plurality of complimentary axial sections having staggered diameters so that a constant dielectric gap is maintained. In some embodiments, the interior surface of the housing and the outer surface of the mandrel comprise non-overlapping right- and/or left-handed helical grooves that, when filled with a cured electrically insulating material, forms a complex 3D shear resistance mechanism optimized to resist torsion or twisting.Type: GrantFiled: January 26, 2015Date of Patent: November 7, 2017Assignee: Canrig Drilling Technology Ltd.Inventors: Vadim Minosyan, Peter Harvey
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Patent number: 9793781Abstract: An electric motor having internal closed loop cooling includes a cooling chamber coupled to the stator cover of the electric motor. A fan is positioned to circulate air through the interior of the electric motor and the cooling chamber. A heat sink in the cooling chamber removes heat from the circulating air. The heat sink may be coupled to a fluid cooling jacket to transfer heat thereto or therefrom.Type: GrantFiled: February 5, 2015Date of Patent: October 17, 2017Assignee: Canrig Drilling Technology Ltd.Inventors: Charles Patrick, Kevin Williams
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Patent number: 9771788Abstract: A system for use in subterranean operations comprising a drill string positioned within a wellbore, a sensor adapted to sense a physical parameter in relation to the drill string and generate a signal representing the physical parameter, and a control member adapted to affect subterranean longitudinal movement of the drill string in a predetermined longitudinal sequence of increments within the wellbore in response to the signal.Type: GrantFiled: March 23, 2015Date of Patent: September 26, 2017Assignee: Canrig Drilling Technology Ltd.Inventors: Carlos Rolong, Mahmoud Hadi
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Patent number: 9759019Abstract: A tubular joint elevator includes a ringed portion configured to lift a tubular joint. The elevator includes an elevating mechanism disposed adjacent to the ringed portion, and configured to elevate the tubular joint. In some embodiments, the elevator includes first, second, and third doors. The elevator includes a first locking member, and the first door includes a first locking recess. The first locking member is axially displaceable between an advanced position and a retracted position such that it is either received in or separated from the first locking recess. The third door includes a locking pin, and the first door comprises a locking hole. The third door is longitudinally displaceable between a first position and a second position such that the locking pin is either separated from, or received in, the locking hole. Methods of using the same are also included.Type: GrantFiled: August 8, 2013Date of Patent: September 12, 2017Assignee: Canrig Drilling Technology, Ltd.Inventors: Stanislaw Casimir Sulima, Beat Küttel, Faisal J. Yousef
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Patent number: 9739098Abstract: A method that includes providing an assembled drilling rig on a first supportive surface at a first drill site, the assembled drilling rig having a walking system associated therewith, the walking system being configured to translate and rotate relative to the assembled drilling rig to displace the assembled drilling rig; actuating the walking system to lift the assembled drilling rig to a clearance height, relative to the first supportive surface; positioning a trailer under the assembled drilling rig; wherein the trailer includes a platform located above a plurality of wheels; supporting the assembled drilling rig on the trailer platform; and relocating the assembled drilling rig from the first drill site to a second drill site by rolling the wheels across the ground.Type: GrantFiled: May 28, 2014Date of Patent: August 22, 2017Assignee: Canrig Drilling Technology Ltd.Inventor: Richmond Todd Fox
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Patent number: 9725968Abstract: An apparatus includes a thrust bearing adapted to engage a tubular component. A bearing carrier is connected to the thrust bearing, an arm is connected to the bearing carrier, and an actuator is connected to the arm. In one embodiment, the bearing carrier includes an arcuate notch through which the tubular component is adapted to extend. In another embodiment, the apparatus has a first configuration in which a vertical offset is defined between the tubular component and the thrust bearing, and a second configuration in which the thrust bearing is engaged with the tubular component for the support thereof. In another embodiment, the apparatus is placed in the first configuration in response to a cessation of a supply of electrical power to a control valve in fluid communication with the actuator. In another embodiment, the tubular component is connected to, or is part of, a quill of a top drive.Type: GrantFiled: July 15, 2013Date of Patent: August 8, 2017Assignee: Canrig Drilling Technology Ltd.Inventors: W. Randall Slocum, Keith A. Hager
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Patent number: 9722522Abstract: A method for limiting the torque of a permanent magnet AC motor includes a torque limit controller. The torque limit controller at least in part bases the torque limit on a selected direct voltage limit. The selected direct voltage limit may be used in combination with other torque limit conditions to generate the torque demand for the AC motor.Type: GrantFiled: April 1, 2015Date of Patent: August 1, 2017Assignee: CANRIG DRILLING TECHNOLOGY LTD.Inventor: Gary Pace
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Patent number: 9706185Abstract: At least a portion of a wellsite is disposed in a control volume of three-dimensional space. At least one camera is configured to provide three-dimensional imaging of the control volume. At least one device is disposed in, or is expected to be moved into, the control volume so that the at least one device is included in the three-dimensional imaging when the at least one device is disposed in the control volume and the at least one camera provides the three-dimensional imaging. In an exemplary embodiment, the at least one camera is connected to a drilling rig.Type: GrantFiled: April 15, 2013Date of Patent: July 11, 2017Assignee: Canrig Drilling Technology Ltd.Inventor: Brian Ellis
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Patent number: 9677350Abstract: A fill-up and circulation tool includes a central assembly including a mandrel, a nose assembly disposed at a terminal end of the mandrel, an outer assembly coupled to the central assembly, and a valve configured to change position between a closed position and an open position, wherein changing position between the closed position and the open position includes movement of the outer assembly relative to the central assembly.Type: GrantFiled: November 10, 2014Date of Patent: June 13, 2017Assignee: Canrig Drilling Technology Ltd.Inventor: Alex Kunec
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Patent number: 9664003Abstract: Apparatus, systems, and methods for continuously circulating drilling fluid through a tubular string are described. The methods include connecting a sub having a central bore and a side bore to the tubular string, connecting a top drive to the tubular string, connecting a manifold to the sub and top drive, wherein the manifold comprises a plurality of electrically controlled valves, and controlling the flow of drilling fluid through the sub and top drive by selectively opening and closing the electrically controlled valves.Type: GrantFiled: August 14, 2013Date of Patent: May 30, 2017Assignee: Canrig Drilling Technology Ltd.Inventors: Darcy Stephen Nott, Mark Blankenship
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Patent number: 9634599Abstract: A permanent magnet motor having a high speed ratio may remove the need for a gearbox or multiple windings in the permanent magnet motor. A gearbox or a multiple-winding configuration stator may thus be omitted.Type: GrantFiled: December 28, 2015Date of Patent: April 25, 2017Assignee: Canrig Drilling Technology Ltd.Inventors: Beat Kuttel, Brian Ellis
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Patent number: 9537315Abstract: A power system for an electrical system with highly fluctuating loads is powered by one or more power sources that are slow to react to load changes. The power sources are connected to electrical equipment used on the drill rig which provide active load to the generators. One or more load banks may be positioned to provide passive load to the generators to maintain generally constant generator load, while allowing for instant access to power as active load increases. Generators may be run at 100% capacity, a maximum efficient capacity, or at a high enough level to allow for a sufficiently rapid increase in power output. At least one parameter of a drilling operation may be utilized to anticipate load demand changes.Type: GrantFiled: February 3, 2015Date of Patent: January 3, 2017Assignee: CANRIG DRILLING TECHNOLOGY LTD.Inventors: Beat Kuttel, Tommy Scarborough, Kevin Williams, Gary Pace, James Garaghty
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Patent number: 9500045Abstract: An apparatus including a stationary section having a first central fluid passage and operably connected to a drilling fluid inlet and a conduit, a rotating and reciprocating section having a second central fluid passage and operably connected to a tubular, wherein the rotating and reciprocating section reciprocates along a longitudinal axis and rotates in conjunction with the tubular and the conduit, and a third section having a third central fluid passage in fluid communication between the first and second central fluid passages, where the third section is operably disposed between the first and rotating and reciprocating sections to permit the rotating and reciprocating section to slide axially even during rotation and to permit only rotational motion at an end adjacent the stationary section.Type: GrantFiled: October 17, 2013Date of Patent: November 22, 2016Assignee: Canrig Drilling Technology Ltd.Inventors: Beat Kuttel, Lemuel T. York, Faisal J. Yousef, Keith A. Hager, Randy Slocum