Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
10/2014
10/30/2014US20140318814 Wireline pressure control apparatus
10/30/2014US20140318809 Connector device for use in wireline intervention operations
10/30/2014US20140318804 Riser recoil damping
10/30/2014US20140318803 Riser System for Transporting a Slurry from a Position Adjacent to the Seabed to a Position Adjacent to the Sea Surface
10/28/2014US8870497 Ice worthy jack-up drilling unit with conical piled monopod
10/28/2014US8869919 Drag bit with utility blades
10/28/2014US8869916 Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
10/28/2014US8869912 Electric power tool with battery pack
10/28/2014US8869901 Offshore drilling system comprising a high-pressure riser
10/28/2014US8869900 Method and apparatus for connecting drilling riser strings and compositions thereof
10/28/2014US8869887 System and method for coupling downhole tools
10/28/2014US8869881 Eccentric safety valve
10/28/2014US8869840 Module based bend stiffener
10/23/2014US20140314475 Connector
10/23/2014US20140311758 Continuously Bonded Small-Diameter Cable With Electrical Return On Outer Wires
10/23/2014US20140311756 Pipe Centralizer Having Low-Friction Coating
10/23/2014US20140311754 System and method for splicing a non-spoolable tool anywhere along a coiled tubing string
10/23/2014US20140311753 Rotating mandrel casing hangers
10/23/2014US20140311748 Apparatus and Methods for Inspecting and Cleaning Subsea Flex Joints
10/21/2014US8863858 System and method for managing heave pressure from a floating rig
10/21/2014US8863847 Adjustable riser suspension and sealing system
10/21/2014US8863846 Method and apparatus to perform subsea or surface jacking
10/21/2014US8863845 Gooseneck conduit system
10/21/2014US8863834 Friction reducing wear band and method of coupling a wear band to a tubular
10/21/2014US8863832 Orientable eccentric downhole assembly
10/21/2014US8863822 Control line running system
10/21/2014US8863682 Helical bend restrictor
10/16/2014US20140305711 Downhole drilling assembly
10/16/2014US20140305710 Downhole drilling assembly
10/16/2014US20140305661 Cable duct device in a swelling packer
10/16/2014US20140305659 System and method for rotating casing string
10/16/2014US20140305658 Apparatus and Method for Mounting Flow-Control Devices to Tubular Members
10/14/2014US8857857 Threaded joint for steel pipes
10/14/2014US8857523 Downhole multiple well
10/14/2014US8857521 Venting gas
10/14/2014US8857051 System and method for coupling lead-in conductor to insulated conductor
10/09/2014WO2014164209A2 Riser breakaway connection and intervention coupling device
10/09/2014WO2014163992A1 Riser tension augmentation
10/09/2014WO2014163798A1 Thermomechanical processing of high strength non-magnetic corrosion resistant material
10/09/2014WO2014161070A1 Apparatus and method for isolating a section of a pipe riser bore in the course of riser renewal
10/09/2014US20140300485 Method of non-intrusive communication of down hole annulus information
10/09/2014US20140299386 Corrodable boring shoes for wellbore casing, and methods of forming such corrodable boring shoes
10/09/2014US20140299324 Tubular system for jet drilling
10/09/2014US20140299319 Apparatus and methods for activating a plurality of downhole devices
10/08/2014EP2785972A2 An adaptive method for high data rate communication in wells
10/08/2014EP2785952A1 Multiple flexible seafloor-surface linking apparatus comprising at least two levels
10/08/2014EP2785951A2 Buoyancy compensating element and method
10/08/2014EP2785950A2 Buoyancy compensating element and method
10/08/2014EP2785947A2 Apparatus and methods utilizing progressive cavity motors and pumps with rotors and/or stators with hybrid liners
10/07/2014US8852004 Downhole torque limiting assembly for drill string
10/07/2014US8851189 Single trip multi-zone completion systems and methods
10/07/2014US8851184 Process, device, and system to cap and seal oil and gas in a riser pipe
10/07/2014US8851175 Instrumented disconnecting tubular joint
10/07/2014US8851168 Performance centralizer for close tolerance applications
10/07/2014US8851162 Sucker rod apparatus and method
10/02/2014WO2014160890A1 Methods of mitigating bituminous material adhesion using nano-particles
10/02/2014WO2014160746A1 Wired pipe coupler connector
10/02/2014WO2014160745A1 Transmission line for wired pipe
10/02/2014WO2014159983A1 Method and apparatus for actuation of downhole sleeves and other devices
10/02/2014WO2014159395A1 Up-hole bushing and core barrel head assembly comprising same
10/02/2014WO2014158990A1 Rotary shock absorption tool
10/02/2014WO2014158622A1 Monitoring system for drilling instruments
10/02/2014US20140291032 Process for the production of a pipe lined with an inliner
10/02/2014US20140290930 Wired pipe coupler connector
10/01/2014EP2783065A1 Method and apparatus for plastic pipe drilling
09/2014
09/30/2014US8844655 Drill string tooling joint
09/30/2014US8844654 Instrumented drill string element
09/30/2014US8844653 Continuous circulating sub for drill strings
09/30/2014US8844638 Tool for removing wellhead components
09/30/2014US8844633 Method for maintaining wellbore pressure
09/30/2014US8844632 Inertia transition pipe element, in particular for restraining a rigid undersea pipe
09/30/2014US8844627 Intelligent well system and method
09/30/2014US8844625 Perforating gun spacer
09/30/2014US8844624 Rigid centralizer
09/30/2014CA2809264C Magnetic latching device for downhole wellbore intercept operations
09/30/2014CA2766051C Sealed multilateral junction system
09/30/2014CA2729542C Reaming tool
09/25/2014WO2014153080A1 Friction reducing downhole assemblies
09/25/2014WO2014152979A2 Prevention of wireline damage at a downhole window
09/25/2014WO2014152406A1 Method and apparatus for controlling erosion in a downhole tool
09/25/2014WO2014151738A2 Pounding tune mass damper systems and controls
09/25/2014WO2014151518A1 U-joint with high torque capacity and improved thrust bearing capacity
09/25/2014WO2014150816A1 Drilling riser assemblies
09/25/2014WO2014149613A1 Method and system for monitoring subsurface injection processes using a borehole electromagnetic source
09/25/2014WO2014149146A1 Drillable slip
09/25/2014WO2014146428A1 Ultrahigh torsion resistant metal hermetic seal drill rod joint
09/25/2014WO2014146201A1 System, method and apparatus for downhole vibration dampening
09/25/2014US20140284065 Tubular component for drill stem provided with a transmission sheath fixed by threadings, and method for installing said component
09/24/2014EP2780617A1 An unbonded flexible pipe
09/24/2014EP2780534A1 Reactive choke for automatic wellbore fluid management and methods of using same
09/23/2014US8840151 Seal between pipe sections
09/23/2014US8839887 Composite sintered carbides
09/23/2014US8839885 Latching configuration for a microtunneling apparatus
09/23/2014US8839880 Subsea drilling with casing
09/23/2014US8839499 Method of manufacturing continuous sucker rod
09/23/2014CA2768865C Apparatus and method for coupling conduit segments
09/18/2014WO2014144256A1 Drill motor connecting rod
09/18/2014WO2014144108A1 Drill rod guard and systems and methods of using same
09/18/2014WO2014142899A1 Pressure responsive downhole tool having an adjustable shear thread retaining mechanism and related methods
09/18/2014WO2014142784A1 Rotating drilling stabilizer
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