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 34 - Valve arrangements for boreholes or wells
Patents for E21B 34 - Valve arrangements for boreholes or wells (14,685)
09/2014
09/18/2014US20140262321 Wireless Activatable Valve Assembly
09/18/2014US20140262320 Wellbore Servicing Tools, Systems and Methods Utilizing Near-Field Communication
09/18/2014US20140262312 Sliding sleeve bypass valve for well treatment
09/18/2014US20140262308 Supercharging pressure in a subsea well system
09/18/2014US20140262306 Subsea Test Adaptor for Calibration of Subsea Multi-Phase Flow Meter During Initial Clean-Up and Test and Methods of Using Same
09/18/2014US20140262305 Control valve timing
09/18/2014US20140262303 Deepset wireline retrievable safety valve
09/18/2014US20140262302 Ball Injector System Apparatus and Method
09/18/2014US20140262301 Mechanically Adjustable Flow Control Assembly
09/18/2014US20140262237 Wellbore Servicing Tools, Systems and Methods Utilizing Near-Field Communication
09/18/2014US20140262236 Wellbore Servicing Tools, Systems and Methods Utilizing Near-Field Communication
09/18/2014US20140262235 Method of optimization of flow control valves and inflow control devices in a single well or a group of wells
09/18/2014US20140262207 Ball check valve integration to icd
09/18/2014US20140261775 Pipe valve control and method of use
09/17/2014EP2778339A1 A completion component with position detection
09/17/2014EP2776662A1 Rotational motion-inducing variable flow resistance systems having a sidewall fluid outlet and methods for use thereof in a subterranean formation
09/17/2014EP2776661A1 Fluid discrimination for use with a subterranean well
09/17/2014EP2776660A1 Variable flow resistance for use with a subterranean well
09/17/2014EP2776659A1 Horizontal fracturing tree
09/16/2014US8833488 Automatic standpipe pressure control in drilling
09/16/2014US8833469 Method of and apparatus for completing a well
09/16/2014US8833468 Circulation control valve and associated method
09/16/2014US8833466 Self-controlled inflow control device
09/16/2014US8833459 System and method for channeling fluids underwater to the surface
09/16/2014US8833448 Fluid system component with sacrificial element
09/16/2014US8833393 Cap valve
09/16/2014US8833154 Tracer identification of downhole tool actuation
09/16/2014CA2776435C Thermally-controlled valves and methods of using the same in a wellbore
09/15/2014CA2846781A1 Downhole tools, system and method for using
09/15/2014CA2846751A1 Downhole tool with ball trap
09/12/2014WO2014138653A2 Millable fracture balls composed of metal
09/12/2014WO2014138649A2 Anti-rotation assembly for sliding sleeve
09/11/2014US20140251636 Downhole Tools, System and Method of Using
09/11/2014US20140251629 Expandable Ball Seat for Hydraulically Actuating Tools
09/11/2014US20140251628 Anti-Rotation Assembly for Sliding Sleeve
09/11/2014US20140251627 Mechanically Adjustable Flow Control Assembly
09/11/2014US20140251620 Method and Apparatus for Establishing Injection into a Cased Bore Hole using a Time Delay Toe Injection Apparatus
09/11/2014US20140251619 Method and Apparatus for Establishing Injection into a Cased Bore Hole using a Time Delay Toe Injection Apparatus
09/11/2014US20140251613 Inflow Control Valve
09/11/2014US20140251593 Shear Member Post Shear Segment Retention Apparatus
09/10/2014EP2773842A1 Autonomus fluid control device having a movable valve plate for downhole fluid selection
09/09/2014US8827238 Flow control device
09/09/2014US8826991 Variably configurable wellbore junction assembly
09/09/2014US8826990 Apparatuses and methods for closing and reopening a pipe
09/09/2014US8826988 Latch position indicator system and method
09/09/2014US8826987 Low equivalent circulation density setting tool
09/09/2014US8826985 Open hole frac system
09/09/2014US8826980 Activation-indicating wellbore stimulation assemblies and methods of using the same
09/09/2014CA2797934C Bottom hole assembly with ported completion and methods of fracturing therewith
09/04/2014WO2014133739A2 Method and apparatus for magnetic pulse signature actuation
09/04/2014WO2014133396A1 Method and structure for protecting a crushable plug in a pipe section for hydrocarbon production, and use thereof
09/04/2014WO2014133393A1 Blowout preventer cleaning tool
09/04/2014US20140246246 Actuation assemblies, hydraulically actuated tools for use in subterranean boreholes including actuation assemblies and related methods
09/04/2014US20140246209 Wellbore actuators, treatment strings and methods
09/04/2014US20140246208 Downhole sub with hydraulically actuable sleeve valve
09/04/2014US20140246206 Rotational motion-inducing flow control devices and methods of use
09/04/2014US20140246202 Method and Device for Extending Lifetime of a Wellhead
09/04/2014US20140246190 Downhole Tool Actuator
09/03/2014EP2771535A2 Gradational insertion of an artificial lift system into a live wellbore
09/02/2014US8820415 System for enabling selective opening of ports
09/02/2014US8820414 Flow control device and flow control method
09/02/2014US8820413 Alternative design of self-adjusting valve
09/02/2014US8820409 System for protecting against undersea oil spills
08/2014
08/28/2014WO2014130053A1 Autofill and circulation assembly and method of using the same
08/28/2014WO2014130052A1 Pressure equalization for dual seat ball valve
08/28/2014WO2014130024A1 Pressure responsive downhole tool with low pressure lock open feature and related methods
08/28/2014WO2014100141A3 Downhole downhole tools having non-toxic degradable elements
08/28/2014WO2014053349A3 Hydraulic fracturing device and process
08/28/2014WO2014011812A3 Multi-cycle circulating tool
08/28/2014WO2013132254A3 Downhole apparatus
08/28/2014US20140238698 Capillary hanger arrangement for deploying control line in existing wellhead
08/28/2014US20140238687 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
08/28/2014US20140238686 Internal riser rotating flow control device
08/28/2014US20140238682 Method and apparatus for wellbore fluid treatment
08/28/2014US20140238666 Method and Apparatus for Magnetic Pulse Signature Actuation
08/28/2014US20140238658 Well Shut In Device
08/27/2014EP2770160A2 Signal operated isolation valve
08/26/2014US8813871 Expandable apparatus and related methods
08/26/2014US8813855 Stackable multi-barrier system and method
08/26/2014US8813850 Washpipe isolation valve and associated systems and methods
08/26/2014US8813849 Oil well safety valve apparatus and method
08/26/2014US8813848 Isolation tool actuated by gas generation
08/26/2014CA2738107C Valve with shuttle
08/21/2014WO2014127156A1 Hydraulic communication device
08/21/2014WO2014126587A1 Ball check valve integration to icd
08/21/2014WO2014126568A1 Stacked piston safety valve with different piston diameters
08/21/2014US20140231140 Well tool actuator and isolation valve for use in drilling operations
08/21/2014US20140231095 Autonomous fluid control device having a movable valve plate for downhole fluid selection
08/21/2014US20140231094 Autonomous fluid control device having a reciprocating valve for downhole fluid selection
08/20/2014EP2766566A1 Preventing flow of undesired fluid through a variable flow resistance system in a well
08/20/2014EP2766561A1 Wellbore actuators, treatment strings and methods
08/20/2014EP2766560A1 Downhole actuation ball, methods and apparatus
08/20/2014CA2843047A1 Downhole tool control
08/19/2014US8810427 Control system of an actuator for the actuation of submarine devices
08/19/2014US8807528 Selective torque operator for a valve
08/19/2014US8807231 Debris barrier assembly
08/19/2014US8807227 Method and apparatus for pressure testing a tubular body
08/19/2014US8807224 Subsea arrangement
08/19/2014US8807215 Method and apparatus for remote zonal stimulation with fluid loss device
08/19/2014US8807211 Tool for shutting off openings or leaks in a well bore
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ... 147