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 33 - Sealing or packing boreholes or wells
Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
09/2014
09/12/2014WO2014137407A2 Electrical submersible pump tree cap
09/12/2014WO2014137314A1 Abandonment and containment system for gas wells
09/11/2014US20140251640 Extended Length Packer with Timed Setting
09/11/2014US20140251634 Subsea Wellhead System With Hydraulically Set Seal Assemblies
09/11/2014US20140251633 Subsea Well Intervention System and Methods
09/11/2014US20140251631 Riser Breakaway Connection and Intervention Coupling Device
09/11/2014US20140251630 Wellhead seal assembly lockdown system
09/11/2014US20140251614 Alkyl Polyglycoside Derivative as Biodegradable Foaming Surfactant for Cement
09/11/2014US20140251612 Consumable downhole packer or plug
09/11/2014US20140251594 Millable Fracture Balls Composed of Metal
09/11/2014US20140251468 Locking Device
09/10/2014EP2773894A1 Misalignment connector utilizing interleaved bearings
09/09/2014US8829347 Power umbilical
09/09/2014US8826994 Full bore system without stop shoulder
09/09/2014US8826990 Apparatuses and methods for closing and reopening a pipe
09/09/2014US8826989 Method for capping a well in the event of subsea blowout preventer failure
09/09/2014US8826988 Latch position indicator system and method
09/09/2014US8826985 Open hole frac system
09/09/2014US8826979 Methods and apparatus for improved cement plug placement
09/09/2014CA2844709C A contigency release device that uses right-hand torque to allow movement of a collet prop
09/09/2014CA2649348C Sulfur barrier for use with in situ processes for treating formations
09/04/2014WO2014134541A1 Gel compostions for hydraulic fracturing applications
09/04/2014WO2014133738A2 Resettable packer assembly and methods of using the same
09/04/2014WO2014133734A2 Compact wellhead system with built-in production capability
09/04/2014WO2014133396A1 Method and structure for protecting a crushable plug in a pipe section for hydrocarbon production, and use thereof
09/04/2014WO2014036431A3 Stabilized valve
09/04/2014WO2014022727A3 Torsional shearing of oilfield tubulars
09/04/2014WO2013177161A3 Methods and systems for testing the integrity of components of a hydrocarbon well system
09/04/2014WO2013165494A3 Protected retaining bands
09/04/2014US20140246209 Wellbore actuators, treatment strings and methods
09/04/2014US20140246197 Compact wellhead system with built-in production capability
09/04/2014US20140246192 Multi-stage seal for well fracturing
09/04/2014US20140246189 Controlled aperture ball drop
09/03/2014EP2771540A1 Sealing material for annular barriers
09/03/2014EP2771539A1 Pressure balanced connector termination
09/03/2014EP2771538A1 Method and device for extending lifetime of a wellhead
09/02/2014US8825430 Differential pressure systems and methods for measuring hydraulic parameters across surface water-aquifer interfaces
09/02/2014US8820747 Multiple sealing element assembly
09/02/2014US8820437 Cementing whipstock apparatus and methods
09/02/2014US8820410 Control system for blowout preventer stack
09/02/2014US8820405 Segregating flowable materials in a well
09/02/2014US8820400 Erosion resistant frac head
09/02/2014CA2751318C Degradable perforation balls and associated methods of use in subterranean applications
08/2014
08/28/2014WO2014130786A1 Wellhead annulus seal having a wickered surface
08/28/2014WO2014130703A2 Blowout preventer monitoring system and method of using same
08/28/2014WO2014100141A3 Downhole downhole tools having non-toxic degradable elements
08/28/2014WO2014055719A3 Semi-rigid lockdown device
08/28/2014US20140238701 Mill diverter having a swellable material for preventing fluid flow past the material
08/28/2014US20140238700 Resettable Packer Assembly and Methods of Using the Same
08/28/2014US20140238699 Wellhead annulus seal having a wickered surface
08/28/2014US20140238697 Downhole tool with remotely actuated drag blocks & methods
08/28/2014US20140238694 Support device for use in a wellbore and a method for deploying a barrier in a wellbore
08/28/2014US20140238693 Wellhead system for tieback retrieval
08/28/2014US20140238691 Anti-alteration wellhead vault
08/28/2014US20140238689 Wellbore Packer And Method
08/28/2014US20140238687 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
08/28/2014US20140238682 Method and apparatus for wellbore fluid treatment
08/28/2014US20140238677 Chitin nanocrystal containing wellbore fluids
08/28/2014US20140238676 Cement slurry compositions and methods
08/28/2014US20140238675 Downhole injection tool
08/28/2014US20140238674 Clean Fluid Loss Control Additives
08/28/2014US20140238665 System, method and apparatus for manufacturing stable cement slurry for downhole injection
08/28/2014US20140238660 Downhole Seal Element and Related Apparatuses
08/27/2014EP2770159A2 Apparatus and method for setting a cementitious material plug
08/27/2014EP2769053A1 Subsea pressure reduction system
08/27/2014EP2769052A2 Device for recirculating grease/sealing oil in risers
08/27/2014EP2769051A1 Methods for installing and retrieving a well monitoring apparatus
08/27/2014EP2769050A1 Plug sensor
08/26/2014US8816197 Pressure balanced connector termination
08/26/2014US8816196 Pressure balanced connector termination
08/26/2014US8813873 Enhanced smear effect fracture plugging process for drilling systems
08/26/2014US8813857 Annulus mounted potential energy driven setting tool
08/26/2014US8813853 Temporary abandonment cap
08/26/2014US8813852 Wellhead annulus monitoring
08/26/2014US8813842 Particles comprising blocked isocyanate resin and method of modifying a wellbore using the same
08/26/2014US8813838 Acoustic generator and associated methods and well systems
08/26/2014US8813837 Wellhead system having resilient device to actuate a load member and enable an over-pull test of the load member
08/26/2014US8813836 Uni-bore dump line for fracturing manifold
08/25/2014CA2815848A1 Wellbore packer and method
08/21/2014WO2014127059A2 Apparatus and methods of running casing in a dual gradient system
08/21/2014WO2014126478A1 Method for downhole cutting of at least one line disposed outside and along a pipe string in a well, and without simultaneously severing the pipe string
08/21/2014WO2013126592A3 Well tree hub and interface for retrievable processing modules
08/21/2014US20140231099 Method and apparatus for dropping a pump down plug or ball
08/21/2014US20140231090 Lightweight and compact subsea intervention package and method
08/21/2014US20140231089 Floating offshore facility and a method for drilling a well
08/21/2014US20140231088 BOP Stack with a Universal Intervention Interface
08/21/2014US20140231085 Laser systems and methods for the removal of structures
08/21/2014US20140231075 Blowout preventer monitoring system and method of using same
08/21/2014DE10258300B4 Verfahren und Vorrichtung zur Stabilisierung von abgeworfenen Bergwerksschächten Method and apparatus for stabilizing dropped mine shafts
08/21/2014DE102013005858B3 Verfahren zur Auskleidung von Bohrlöchern für Tiefbohrungen sowie Vorrichtung zur Durchführung des Verfahrens A method for lining bore holes for deep drilling, and device for carrying out the method
08/21/2014DE102009013853B4 Fehlertolerantes Chemikalien-Einspritzsystem für Öl- und Gasbohrlöcher, sowie Dosierkörper und Kolben A fault-tolerant chemical injection for oil and gas wells, as well as metering and piston
08/20/2014EP2767671A2 Stage tool apparatus and components for same
08/20/2014EP2767670A1 Well completion methods
08/20/2014EP2767669A2 Hydraulic Set Packer with Piston to Annulus Communication
08/20/2014EP2767668A2 Hard surfacing metallic slip components for downhole tools
08/20/2014EP2766563A1 Alignment of bop stack to facilitate use of a rotating control device
08/20/2014EP2766561A1 Wellbore actuators, treatment strings and methods
08/19/2014US8810427 Control system of an actuator for the actuation of submarine devices
08/19/2014US8809241 Hydraulic fluid compositions
08/19/2014US8807516 Blowout preventer with rope packing seal
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