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)
11/2014
11/04/2014US8875797 Method for flow control and autonomous valve or flow control device
11/04/2014US8875782 Oil field system for through tubing rotary drilling
10/2014
10/30/2014US20140318807 Hydraseal frac valve
10/30/2014US20140318796 Downhole deployment valves
10/28/2014US8870153 Pressure activated ratcheting valve
10/28/2014US8869903 Apparatus to remotely actuate valves and method thereof
10/28/2014US8869898 System and method for pinpoint fracturing initiation using acids in open hole wellbores
10/28/2014US8869881 Eccentric safety valve
10/23/2014US20140311751 Annular barrier and annular barrier system
10/23/2014US20140311747 Fluid Bypass for Inflow Control Device Tube
10/21/2014US8866631 System and method for remotely controlling down-hole operations
10/21/2014US8863853 Linearly indexing well bore tool
10/21/2014US8863852 Wired multi-opening circulating sub
10/21/2014US8863850 Apparatus and method for stimulating subterranean formations
10/21/2014US8863849 Electric submersible pumping completion flow diverter system
10/21/2014US8863848 Flow control apparatus and method
10/21/2014US8863844 Subsea arrangement
10/21/2014US8863843 Hydraulic actuation of a downhole tool assembly
10/21/2014US8863835 Variable frequency fluid oscillators for use with a subterranean well
10/21/2014US8863833 Multi-point injection system for oilfield operations
10/21/2014US8863825 Control and supply unit
10/16/2014US20140306138 Valve Apparatus and Method
10/16/2014US20140305662 Crossover tool for reverse cementing a liner string
10/16/2014US20140305658 Apparatus and Method for Mounting Flow-Control Devices to Tubular Members
10/16/2014US20140305630 Flow Control Screen Assembly Having an Adjustable Inflow Control Device
10/16/2014US20140305518 Oilfield Safety Valve
10/14/2014US8857785 Thermo-hydraulically actuated process control valve
10/14/2014US8857522 Electrically-powered surface-controlled subsurface safety valves
10/14/2014US8857518 Single trip multi-zone completion systems and methods
10/14/2014US8857508 Valve assembly
10/14/2014US8857454 Valving system and method of selectively halting injection of chemicals
10/09/2014WO2014164649A2 Resettable ball seat for hydraulically actuating tools
10/09/2014WO2014164646A2 Expandable ball seat for hydraulically actuating tools
10/09/2014WO2014161070A1 Apparatus and method for isolating a section of a pipe riser bore in the course of riser renewal
10/09/2014US20140299330 Wireless Activatable Valve Assembly
10/09/2014US20140299329 Downhole Completion Tool
10/09/2014US20140299328 Subsea wellhead assembly, a subsea installation using said wellhead assembly, and a method for completing a wellhead assembly
10/08/2014EP2785966A1 Pressure pulse-initiated flow restrictor bypass system
10/08/2014EP2785957A2 Apparatus and method for controlling a downhole device
10/08/2014EP2785956A2 Drill string check valve
10/07/2014US8851190 Ball check valve integration to ICD
10/07/2014US8851189 Single trip multi-zone completion systems and methods
10/07/2014US8851188 Restricting production of gas or gas condensate into a wellbore
10/07/2014US8851184 Process, device, and system to cap and seal oil and gas in a riser pipe
10/07/2014US8851180 Self-releasing plug for use in a subterranean well
10/07/2014US8851161 Cross-communication between electronic circuits and electrical devices in well tools
10/02/2014WO2014159983A1 Method and apparatus for actuation of downhole sleeves and other devices
10/02/2014WO2014159526A1 Wellbore electrical isolation system
10/02/2014WO2014159103A1 A system for detecting, containing and removing hydrocarbon leaks in a subsea environment
10/02/2014WO2014158813A2 Dual magnetic sensor actuation assembly
10/02/2014WO2014158376A1 A pressure volume temperature system
10/02/2014WO2014158296A1 Shear valve system and methodology
10/02/2014WO2014154480A1 A device for controlling and isolating a tool in the form of an expansible sleeve for isolating areas in a well
10/02/2014US20140290964 Pressure control in drilling operations with offset applied in response to predetermined conditions
10/02/2014US20140290963 Electromechanical actuator apparatus and method for down-hole tools
10/02/2014US20140290962 Valve system
10/02/2014US20140290960 Annular Circulation Valve and Methods of Using Same
10/02/2014US20140290959 Flow stop valve
10/02/2014US20140290947 Radiused ID Baffle
10/02/2014US20140290939 Exercising a Well Tool
10/02/2014US20140290776 Rotational Motion-Inducing Variable Flow Resistance Systems Having a Sidewall Fluid Outlet and Methods for Use Thereof in a Subterranean Formation
10/01/2014EP2783068A1 Inflow control solutions for wellbores
09/2014
09/30/2014US8844649 System and method for steering in a downhole environment using vibration modulation
09/30/2014US8844634 Circulation sub with indexing mechanism
09/30/2014US8844622 Wellbore cleaning method and apparatus
09/30/2014CA2828209C Valve for controlling the flow of fluid between an interior region of the valve and an exterior region of the valve
09/25/2014WO2014153412A1 Casing mounted metering device
09/25/2014WO2014153314A1 Sleeve valve
09/25/2014WO2014151285A2 Deepset wireline retrievable safety valve
09/25/2014WO2014150444A1 Automatic plunger
09/25/2014WO2014149049A1 Tubing pressure operated downhole fluid flow control system
09/25/2014WO2014147032A2 Flow system
09/25/2014US20140284062 Method and apparatus for controlling fluid flow in an autonomous valve using a sticky switch
09/25/2014US20140284061 Free flow valve
09/25/2014US20140284060 Casing mounted metering device
09/25/2014US20140284058 Pressure response fracture port tool for use in hydraulic fracturing applications
09/25/2014US20140284044 Autonomous cut-off device
09/24/2014EP2781685A2 Free flow valve
09/24/2014EP2780540A1 Autonomous fluid control system having a fluid diode
09/24/2014EP2780534A1 Reactive choke for automatic wellbore fluid management and methods of using same
09/23/2014US8843328 Hydraulic control system monitoring apparatus and method
09/23/2014US8839870 Apparatus and methods for running liners in extended reach wells
09/23/2014US8839868 Subsea control system with interchangeable mandrel
09/23/2014US8839857 Geothermal energy production
09/23/2014US8839849 Water sensitive variable counterweight device driven by osmosis
09/18/2014WO2014144994A2 Gate valve assembly comprising a sealing assembly
09/18/2014WO2014144792A2 Gate valve assembly comprising a shear gate
09/18/2014WO2014144332A2 Gate valve assembly comprising a support member
09/18/2014WO2014143384A1 One-way flowable anchoring system and method of treating and producing a well
09/18/2014WO2014142849A1 Sliding sleeve bypass valve for well treatment
09/18/2014WO2014142784A1 Rotating drilling stabilizer
09/18/2014WO2014142774A1 Technology and devices for the underwater production of hydrocarbons
09/18/2014WO2014141157A1 Flow controller for use in drilling operations.
09/18/2014WO2014140602A1 Downhole arrangement
09/18/2014WO2014139985A1 A completion component with position detection
09/18/2014WO2014028365A9 System and method for producing through a multi bore tubing hanger to a subsea manifold without bop modifications
09/18/2014US20140262333 Control choke system
09/18/2014US20140262324 Multi-Positioning Flow Control Apparatus Using Selective Sleeves
09/18/2014US20140262323 Method and apparatus for actuation of downhole sleeves and other devices
09/18/2014US20140262322 Apparatus and Methods for Well Control
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