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National Oilwell Varco L p
National Oilwell Varco L p_20131212

National Oilwell Varco L p patents

Recent patent applications related to National Oilwell Varco L p. National Oilwell Varco L p is listed as an Agent/Assignee. Note: National Oilwell Varco L p may have other listings under different names/spellings. We're not affiliated with National Oilwell Varco L p, we're just tracking patents.

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | National Oilwell Varco L p-related inventors

Date National Oilwell Varco L p patents (updated weekly) - BOOKMARK this page
11/09/17Washpipe assemblies for a power swivel
10/19/17Torque calibrating system
10/05/17Electrochemical corrosion of catalyst material from pcd elements
09/28/17Multistage stacked disc choke
09/28/17Pipe coupling system and method
09/21/17Method and the recovery of drilling fluid from shaker tailings during active drilling
09/07/17Multi-well bop cellar trailer
08/24/17Drilling rig with self-elevating drill floor
08/10/17Wellsite hardfacing with particle distribution and using same
07/27/17Vector maximizing screen
07/20/17Stuffing box and packing rings for use therein
07/13/17Well site pump with integrated driver and hydraulic motor and using same
06/08/17Universal driveshaft assembly
05/04/17Methods for operating wellbore drilling equipment based on wellbore conditions
04/27/17Coupling assembly and protective ring therefor
04/20/17System and detecting material loss in a tubular
04/13/17Method and reducing stick-slip
03/23/17Mechanism and system for rotating an elongate member of an oil pump
12/29/16Deep water knuckle boom crane
12/15/16A fluid treatment system, a fluid processing apparatus and treating a mixture
12/15/16A fluid treatment system, a fluid processing apparatus and treating a mixture
12/08/16Self-aligning pipe gripping assembly and making and using the same
12/01/16Well intervention apparatus and method
11/24/16Dual-direction mixing impeller
11/24/16Drill bit seal and using same
11/17/16Systems and methods for activation of trapped field magnets
11/10/16Drill bits with variable flow bore and methods relating thereto
10/27/16Method and erecting a drilling rig
10/20/16System and fabricating screen panel assemblies for vibratory separators
10/13/16Wellbore tubular air quenching
09/15/16Circulation sub and using same
09/01/16Drilling rig mast erection system
08/18/16Adjustable bend assembly for a downhole motor
08/18/16Downhole hole cleaning joints and using same
07/28/16Balanced thread form, tubulars employing the same, and methods relating thereto
07/28/16Compound blowout preventer seal and using same
06/30/16Coiled tubing injector with hydraulic traction slip mitigation circuit
06/30/16Drilling direct control user interface
06/09/16Floor mounted racking arm for handling drill pipe
06/09/16Method of closing a blowout preventer seal based on seal erosion
06/02/16Slow-shift spm valve
05/26/16Safety joint designed with anti-lock pressure compensation seal
05/19/16Mechanism and system for rotating an elongate member of an oil pump
05/12/16Wiper seal assemblies for a reciprocating pump and methods relating thereto
05/05/16Line stabilizer
03/03/16Thread cleaning device
02/18/16Tubular support and servicing systems
02/18/16Magnetic cycloid gear
02/11/16System and communicating complex downhole information
02/11/16Beam clamp
01/21/16Stator for progressive cavity pump/motor
01/14/16Closed loop drilling mud cooling system for land-based drilling operations
01/14/16Sheave with structured web
01/07/16Coiled tubing injector with limited slip chains
12/24/15Apparatus and methods for high pressure leaching of polycrystalline diamond cutter elements
12/24/15Powered reaming device
12/10/15Line stabilizer
12/03/15Multi-level wellsite monitoring system and using same
11/19/15Drilling mud cooling system
11/12/15High strength corrosion resistant high velocity oxy fuel (hvof) coating for downhole tools
11/12/15Lockable swivel apparatus
11/05/15Threaded connections with an adjustable secondary shoulder
10/29/15Self-balancing spreader beam
10/29/15Multi-cylinder hydraulically-driven pump system
10/22/15Mobile drilling rig with telescoping substructure boxes
Patent Packs
10/22/15Collapsible substructure for a mobile drilling rig
10/15/15Fleet angle tolerant sheave
10/15/15Blowout preventer monitoring system and using same
10/15/15Pulsed activation of trapped field magnets
10/08/15Modular instrumented shell for a top drive assembly and using same
10/08/15Radial valves and pumps including radial valves
10/01/15Frangible core barrel
10/01/15Spherical blowout preventer with energizeable packer seal and using same
09/10/15Apparatus and honing tubulars of a wellsite
09/10/15Safety joint for a tool string
08/20/15Valve mechanism having tool trap
08/13/15Wellbore desanding system
07/23/15Method for detecting at least one variable associated with the formation of at least one joint and/or a machine during assembly of a pipeline system
07/16/15Method and process, system, and straightening of thin tubular shapes
07/16/15Blowout preventer with packer assembly and using same
Patent Packs
06/25/15Pipe joint apparatus and method
06/25/15Adjustable coring assembly and using same
06/11/15Wellsite cable support assembly and using same
06/11/15Blowout preventer monitoring system and using same
06/11/15Apparatus, systems, and methods for downhole fluid filtration
06/04/15Drilling rig with hinged, retractable outriggers
06/04/15Drilling cuttings treatment systems
05/28/15Wearable interface for drilling information system
05/21/15Hydraulically operated polished rod clamp
05/21/15Planetary gear assembly
05/14/15Method and retaining an electronic tag on a downhole tool
05/14/15Method and retaining an electronic tag on a downhole tool
05/14/15Plunger pump, plunger, and manufacturing plunger pump
05/07/15Progressing cavity pump/motor
04/30/15System and drill pipe tallying
04/30/15Wellsite connector with piston driven collets and using same
04/23/15Methods and reducing stick-slip
04/23/15Hard composite with deformable constituent and applying to earth-engaging tool
04/16/15Coiled tubing injector with load sensing tubing guide
04/02/15Performing simultaneous operations on multiple wellbore locations using a single mobile drilling rig
04/02/15Downhole temperature sensing of the fluid flow in and around a drill string tool
04/02/15System and downhole power generation using a direct drive permanent magnet machine
03/26/15Wellsite connector with floating seal member and using same
03/19/15Modular subsea stripper packer and using same
03/19/15Downhole pulse generating device
03/12/15Apparatus and connecting tubulars of a wellsite
03/12/15Method and connecting tubulars of a wellsite
03/12/15Downhole motor with concentric rotary drive system
03/05/15Drilling rig masts and methods of assembly and erection
03/05/15Downhole motor sensing assembly and using same
Social Network Patent Pack
02/26/15Bi-directionally raisable drilling rig mast
02/26/15Drilling control and information system
02/19/15Bi-directionally raisable drilling rig mast
02/19/15Magnetic drive devices, and related systems and methods
02/19/15Systems and methods for increasing the life of downhole driveshaft assemblies
02/05/15Downhole motor coupling systems and methods
01/29/15Mud hydraulic top drive
01/15/15Reciprocating subsurface pump
01/15/15Magnetic gears, and related systems and methods
01/08/15Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
Patent Packs
12/25/14Blowout preventer activator and using same
12/04/14Solids removal apparatus
11/27/14Automated dump system for solid separator
11/06/14Sealable wellsite valve and using same
10/23/14Poppet valve with variable dampener and elastically supported guide
10/16/14Pressure core barrel for retention of core fluids and related method
10/16/14Long reach spindle drive systems and method
10/09/14Drive shaft assembly for a downhole motor
10/02/14Providing energy to a passive wireless tag
10/02/14Control system security appliance
09/25/14System and controlling a downhole tool
09/18/14Top drive systems for wellbore and drilling operations
09/18/14Poppet valve with integrated dampener
09/18/14Method and measuring drilling fluid properties
09/18/14System and heat treating a tubular
09/11/14Flow measurement and flow sampling system
09/11/14Adjustable bend assembly for a downhole motor
09/04/14Compact wellhead system with built-in production capability
08/28/14Method and system for monitoring downhole assets
08/21/14Blowout preventer monitoring system and using same
08/21/14Pressure compensation system for a motor bearing assembly
08/21/14Optimum powder placement in polycrystalline diamond cutters
08/14/14Driveshaft assembly for a downhole motor
07/31/14Portable ram block changer
07/17/14Apparatus and density separator for drilling fluid
07/10/14Apparatus and separating solids from a solids laden drilling fluid
07/10/14Centrifuge separator
06/26/14Fluid treatment system, a fluid processing apparatus and a treating a mixture
06/19/14Remote heave compensation system
Patent Packs
06/12/14Method and connecting tubulars of a wellsite
06/05/14Marine riser with side tension members
06/05/14Downhole pulse generating device for through-bore operations
05/29/14Drill pipe using same
05/08/14Systems and methods for vapor pressure leaching polycrystalline diamond cutter elements
05/01/14Measurement tool
05/01/14System and using a passive wireless tag
05/01/14Lightweight and flexible rotors for positive displacement devices
04/24/14Apparatus and servicing pipes
04/24/14Blowout preventer seal assembly and using same
04/17/14Dual gradient drilling system
04/10/14Super efficient regulator
04/03/14Apparatus, system, and controlling the flow of drilling fluid in a wellbore
04/03/14Extended range emf antenna
03/27/14Hands free gooseneck with rotating cartridge assemblies
03/13/14Assembly and wide catch overshot
03/06/14Heavy duty rope sockets and related methods
02/27/14Screen assembly and a making same
02/27/14Hydraulically controlled reciprocating pump system
02/06/14Methods and reducing stick-slip
Social Network Patent Pack
02/06/14Mud-lubricated bearing assembly with mechanical seal
01/30/14Telescoping core barrel
01/23/14Shale shakers with selective series/parallel flow path conversion
01/02/14Coiled tubing injector with limited slip chains
12/26/13Apparatus for reducing turbulence in a fluid stream
12/26/13Videometric offshore and oil-well drilling
12/19/13Coiled tubing injector with strain relief
12/12/13Carbon foam metal matrix composite and mud pump employing same
12/05/13Drill bit seal and using same
12/05/13Deoiling hydrocyclone
11/28/13Blowout preventer ram assembly and using same
11/14/13Shear seal blowout preventer
11/14/13System and monitoring seals between a stationary conduit and a rotating conduit
10/31/13Progressing cavity pump/motor
10/24/13Substructure of a mobile drilling rig with a movable center floor section
10/24/13Centrifugal applicator
10/17/13Mobile drilling rig with telescoping substructure boxes
10/10/13Misalignment-tolerant wellsite connection assembly, system, and method
10/10/13Blowout preventer seal assembly and using same
09/26/13Methods and enhancing elastomeric stator insert material properties with radiation
Social Network Patent Pack
09/19/13Windmill conveyance using same
09/12/13Coiled tubing injector head with chain guides
09/05/13Inner gauge ring drill bit
08/29/13Crane on a vessel
08/29/13Track guiding system
08/08/13Wellhead connector and using same
08/08/13Blowout preventer and using same
08/01/13Method and fluid treatment
07/25/13Downhole tool with external housing torque transfer
07/25/13Jack-up rig with leg-supported ballast loads
07/25/13Dampeners for pumping systems
07/18/13Collapsible substructure for a mobile drilling rig
07/18/13Welded downhole components and forming same
07/11/13Boom mounted coiled tubing guide and running coiled tubing
07/04/13Deep water knuckle boom crane
07/04/13Apparatus and positioning connection equipment on a drilling rig
06/27/13System and measuring pipe
06/27/13Hydrodynamic journal bearing flow control bushing for a rotating control device
06/13/13Method and system for monitoring a well for unwanted formation fluid influx
06/13/13Reinforced stators and fabrication methods
06/06/13Releasable corrosion inhibitors
05/23/13Pig receiver
05/23/13Dual-flow valve and swivel
05/16/13Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
05/16/13Videometric offshore and oil-well drilling
05/09/13Circulation sub and using same
05/09/13Resilient bit systems and methods
05/02/13Apparatus and separating solids from a solids laden drilling fluid
05/02/13Torque enhanced threaded connection
04/18/13Full closure core catcher
Social Network Patent Pack
04/04/13Stator for progressive cavity pump/motor
04/04/13Methods and coring
03/28/13Torque reaction device for pipe running tool
03/21/13Laser hardened surface for wear and corrosion resistance
03/14/13System and managing use of a downhole asset
02/28/13Cutting device on moveable platform
02/21/13Magnetic vibratory screen clamping
02/14/13Downhole tag assembly
12/13/12Tubular retrieval
12/06/12Drilling rig system with self-elevating drill floor
11/22/12Stator manufacturing method and whirling cutter device
11/08/12Downhole tractor
10/25/12System and drilling a borehole using streaming reference data
10/11/12Belt tensioner
09/13/12Method and sealing a wellbore
09/06/12Valve cartridge for pump systems
09/06/12Valve having opposed curved sealing surfaces on a valve member and a valve seat to facilitate effective sealing
08/30/12Drilling rig having rig operation loads supported on pressure control equipment
08/23/12Rock bit and cutter teeth geometries
08/23/12System and tracking pipe activity on a rig
08/09/12Impact absorbing access platform for drilling structures
08/02/12Blowout preventer seal and using same
08/02/12Oil-sealed mud motor bearing assembly with mud-lubricated off-bottom thrust bearing
07/19/12No-go tag progressive cavity pumps
07/12/12Pressure compensation system for an oil-sealed mud motor bearing assembly
06/21/12Pulsation dampening system for a reciprocating pump
06/14/12Enhanced elastomeric stator insert via reinforcing agent distribution and orientation
06/07/12Method and automated drilling of a borehole in a subsurface formation
05/31/12Method and wind turbine erection

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with National Oilwell Varco L p in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for National Oilwell Varco L p with additional patents listed. Browse our Agent directory for other possible listings. Page by