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Nabors Drilling Technologies Usa Inc patents


Recent patent applications related to Nabors Drilling Technologies Usa Inc. Nabors Drilling Technologies Usa Inc is listed as an Agent/Assignee. Note: Nabors Drilling Technologies Usa Inc may have other listings under different names/spellings. We're not affiliated with Nabors Drilling Technologies Usa Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nabors Drilling Technologies Usa Inc-related inventors


Instrumented saver sub for stick-slip vibration mitigation

A drilling rig apparatus is disclosed for mitigating stick-slip using a saver sub that is compatible with different top drives. The saver sub includes a smart material adjustable whenever a stand is added to the drill string to have different spring characteristics to generally match the impedance of the top drive to the impedance of the drill string. ... Nabors Drilling Technologies Usa Inc

Ground handling system

A ground handling system includes a main skid. The main skid has a main skid frame that includes a main tubular handling cradle. ... Nabors Drilling Technologies Usa Inc

Scoping racking board

A racking board for supporting drill pipe comprises first and second frames, the second frame mounted on the first and movable between an open position and a closed position and having at least a first pivotably fingerboard mounted thereon. The first fingerboard pivots between a first orientation when the second frame is in the open position and a second orientation when the second frame is in the closed position. ... Nabors Drilling Technologies Usa Inc

Side-saddle cantilever mast

A side saddle slingshot drilling rig includes a right substructure and a left substructure, the substructures positioned generally parallel and spaced apart from each other. The right substructure includes a right lower box and a first strut, the first strut pivotably coupled to the drill rig floor and pivotably coupled to the right lower box. ... Nabors Drilling Technologies Usa Inc

Modular gripperhead with effector for a racker system

The systems, devices, and methods described herein relate to a modular gripperhead system for a drilling rig. The system includes a gripper having a first gripper arm and a second opposing gripper arm, each gripper arm having an inwardly facing gripping surface that forms at least a portion of a chamber sized to receive a portion of a cylindrical tubular, wherein the portion of the chamber has a longitudinal axis. ... Nabors Drilling Technologies Usa Inc

Autodrilling control with annulus pressure modification of differential pressure

A control system that corrects differential pressure measurements with downhole annulus pressure information is disclosed. When differential pressure is zeroed with the bha off-bottom, the annulus pressure value is baselined. ... Nabors Drilling Technologies Usa Inc

Tubular handling device and methods

A tubular handling apparatus including a tubular member running tool adapted to provide load-bearing, and preferably torquing, capacity upon the gripping of a tubular is provided. The running tool includes a slotted member having a plurality of elongated slots, a recessed member associated with the slotted member and having a plurality of recesses, and a plurality of gripping elements disposed between the slotted member and recessed member. ... Nabors Drilling Technologies Usa Inc

Stick-slip mitigation on direct drive top drive systems

A control system that mitigates stick-slip vibrations at higher harmonics than currently available is disclosed. A controller of a top drive is set to a torque control mode instead of a speed control mode. ... Nabors Drilling Technologies Usa Inc

Rig fuel management systems and methods

Systems and methods for managing fuel and electrical power on a drilling rig, modifying the number of gensets in use before a change in power consumption is needed, and determining fuel savings are provided. The management includes determining an amount of emission reductions based on the fuel savings, and the emission reduction is based on reduction of carbon dioxide emissions, the fuel savings, or both.. ... Nabors Drilling Technologies Usa Inc

Well protection systems and methods

The systems, devices, and methods described herein describe a control system that automatically determines a trip speed for a surge operation or a swab operation. The control system is used to automatically adjust the trip speed during the respective surge or swab operation in order to optimize the trip speed according to the changing environment of the wellbore that the bottom hole assembly traverses without exceeding the fracture gradient in the wellbore location. ... Nabors Drilling Technologies Usa Inc

Dual-activity mast

Systems and methods for operating a land-based drilling rig apparatus include a dual-activity mast having a first fingerboard supported by the mast and disposed on a first side of the well center bore, and include a second fingerboard supported by the mast and disposed on a second side of the well center bore. The first and second fingerboards may permit simultaneous operations, such as tripping and casing stand assembly.. ... Nabors Drilling Technologies Usa Inc

Bop test apparatus

A bop test apparatus may include an outer frame, a hydraulic pump, the hydraulic pump powered by an electric motor, and a charger pump, the charger pump powered by a second electric motor. The bop test apparatus may also include a regulator, the regulator positioned to regulate the pressure of a fluid pumped by the hydraulic pump and a valve, the valve positioned to open or close fluid flow from the hydraulic pump to an outlet.. ... Nabors Drilling Technologies Usa Inc

Pipe handling apparatus

A pipe handling apparatus includes a lower mast, upper mast, and trailer. The lower mast and upper mast may be pivotably coupled at a hinge point. ... Nabors Drilling Technologies Usa Inc

Coiled tubing rig

A coiled tubing rig includes a skid, a mast, and a drill floor. The mast may be pivotably coupled to the skid and may be moved between a horizontal position and a vertical position by a hydraulic cylinder. ... Nabors Drilling Technologies Usa Inc

01/18/18 / #20180016851

Mast and substructure

A drilling rig may include a right substructure, left substructure, and a drill floor. The drill floor may be pivotably coupled to lower boxes of the left and right substructure by struts. ... Nabors Drilling Technologies Usa Inc

01/04/18 / #20180003026

Automated directional drilling apparatus and methods

A system and method for calculating a path during drilling of a bha between first and second survey points. The method includes calculating an amount of first incremental progress made by the bha since the first survey point; calculating a first estimate of a first current location based on the first survey point and the amount of first incremental progress; causing at least one drilling parameter to be modified in order to alter a drilling direction of the bha based on the first estimate; calculating an amount of second incremental progress made by the bha; calculating a second estimate of the second current location based on the amount of second incremental progress and an aggregation of data received from the bha, including data associated with the first survey point; and causing at least one drilling parameter to be modified in order to alter the drilling direction of the bha.. ... Nabors Drilling Technologies Usa Inc

12/28/17 / #20170370203

Stick-slip reduction using combined torsional and axial control

The aspects described herein assist in mitigating vibrations arising from torsional energy accumulating on a drill string in a wellbore during drilling operations. A first sensor obtains torque measurement data at or near the top drive of the drilling rig. ... Nabors Drilling Technologies Usa Inc

12/21/17 / #20170362901

Drilling rig stair tower with integrated utility lines and cable tray

A stair tower for a drilling rig is disclosed, the stair tower including a frame, one or more stair flights and platforms positioned within and mechanically coupled to the frame, and a cable tray pivotably coupled to the frame.. . ... Nabors Drilling Technologies Usa Inc

12/07/17 / #20170350153

Side saddle slingshot drilling rig

A side saddle slingshot drilling rig includes a left and right substructure including a left and right lower box. The side saddle slingshot drilling rig includes a drill rig floor mechanically and pivotably coupled to the left and right lower boxes such that it is pivotably movable from a lowered position to a raised position. ... Nabors Drilling Technologies Usa Inc

11/30/17 / #20170343097

Lubrication system for rack and pinion mast

A lubrication system for a rack and pinion mast of a drilling rig includes a lubricating pinion positioned on a cart and in engagement with the rack. The lubricating pinion includes a plurality of lubrication dispensing ports formed on faces of the teeth of the pinion. ... Nabors Drilling Technologies Usa Inc

11/30/17 / #20170342787

Integrated mud gas separator skid

An integrated mud gas separator skid includes a frame and a mud gas separator. The integrated mud gas separator skid may include one or more fluid conduits for use with a drilling rig, including an integrated vent line, a high pressure line, a low pressure line, a standpipe manifold, a rig water supply line, a diesel line, an air line, and a rig water return line. ... Nabors Drilling Technologies Usa Inc

09/21/17 / #20170270768

Alarm system

A system including a working environment and a control center separated from the working environment and configured to monitor systems in the working environment, the control center having an odor alarm system configured to deliver at least a first odor to the control center and alert an operator to an alert condition. In an embodiment, the odor alarm system is configured to deliver a second odor associated with a second alarm condition, wherein the first alarm condition is different than the second alarm condition. ... Nabors Drilling Technologies Usa Inc

07/20/17 / #20170204717

Systems and methods for pressure testing well control equipment

Systems and methods of pressure testing well production equipment, such as a blowout preventer stack and a choke manifold are disclosed. The system may include a pressure testing tool disposed in selective fluid communication with the blowout preventer stack and the choke manifold and may be arranged to permit independent pressure testing of valves of the blowout preventer stack and valves of the choke manifold without breaking connections between the blowout preventer stack and the choke manifold.. ... Nabors Drilling Technologies Usa Inc

06/15/17 / #20170167210

Pipe handling methodology

A method for positioning a pipe stand in a fingerboard having fingers with a pipe racking apparatus includes gripping the pipe stand with an upper grabber and gripping the pipe stand with a lower grabber. The method also includes moving the pipe stand until it is aligned with a rack slot between two fingers of the fingerboard and extending the upper and lower grabbers to position the pipe stand in the rack slot. ... Nabors Drilling Technologies Usa Inc








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