E21B 33 - Sealing or packing boreholes or wells

Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
10/2013
10/10/2013	WO2013152187A2 Wellsite connector with piston driven collets and method of using same
10/10/2013	WO2013152033A1 Energized bushing seal
10/10/2013	WO2013152029A1 Seal sub system
10/10/2013	WO2013151599A1 Valve and hydraulic controller
10/10/2013	WO2013151598A1 Valve and hydraulic controller
10/10/2013	WO2012148857A3 Contoured ram bore on type u blowout preventer
10/10/2013	US20130264503 Blowout Preventer with Locking Ram Assembly and Method of Using Same
10/10/2013	US20130264502 Blowout Preventer Locking Door Assembly and Method of Using Same
10/10/2013	US20130264501 Blowout Preventer Seal Assembly and Method of Using Same
10/10/2013	US20130264072 Adjustable Flow Control Device
10/10/2013	US20130264066 Hybrid fluid lift valve for commingling gas production
10/10/2013	US20130264065 Rotating and reciprocating swivel apparatus and method
10/10/2013	US20130263929 Pressure control device
10/09/2013	EP2647789A2 Methods and apparatus for cementing wells
10/09/2013	EP2646640A2 Method and device for drilling a pit or passage, and flexible tube therefor
10/09/2013	CN203232293U Wireless remote centralized control device for ground blowout protector and choke manifold
10/09/2013	CN203230403U Mechanical isolation fracturing pipe column capable of conducting layering and eight-layer fracturing through one step and being released
10/09/2013	CN203230377U Ball pitching type rapid drillable bridge plug
10/09/2013	CN203230376U Compression type set packer for multi-times of setting and unsetting
10/09/2013	CN203230375U Convenient drilling mud blowout prevention box
10/09/2013	CN203230374U Spring clamp type on-off controller for controlling sucker rod blowout preventer
10/09/2013	CN203230373U Annular preventer with top cover and shell capable of being disassembled and assembled quickly
10/09/2013	CN203230372U Spherical rubber core component of universal blowout preventer
10/09/2013	CN203230371U Hydraulic automatic locking device of blowout preventer
10/09/2013	CN203230370U Three-position multifunctional three-tube wellhead device
10/09/2013	CN203230369U Self pressure relief plug for oil well
10/09/2013	CN203230363U Anti-overflow telescopic nipple
10/09/2013	CN103348095A System for lining wellbore
10/09/2013	CN103348094A Expandable packer with expansion induced axially movable support feature
10/09/2013	CN103348093A Open hole expandable packer with extended reach feature
10/09/2013	CN103348092A Expandable packer with mandrel undercuts and sealing boost feature
10/09/2013	CN102084084B Choke trim assembly
10/08/2013	USRE44520 Tubing hanger with annulus bore
10/08/2013	US8551923 Foamed spacer fluids containing cement kiln dust and methods of use
10/08/2013	US8551244 Self adaptive cement systems
10/08/2013	US8550178 Expandable isolation packer
10/08/2013	US8550177 Packer assembly
10/08/2013	US8550162 Compositions and methods for well cementing
10/08/2013	US8550156 Swelling packer
10/08/2013	CA2758493C Slickline conveyed tubular scraper system
10/08/2013	CA2676270C Measuring properties of low permeability formations
10/08/2013	CA2491807C Sealed branch wellbore transition joint
10/05/2013	CA2811638A1 Methods and apparatus for cementing wells
10/04/2013	CA2775330A1 Reverse cementing valve
10/03/2013	WO2013148022A1 Retrievable cementing bushing system
10/03/2013	WO2013148014A1 Shape memory seal assembly
10/03/2013	WO2013144183A1 An annular barrier having a flexible connection
10/03/2013	WO2013144182A1 An annular barrier having expansion tubes
10/03/2013	WO2013144181A1 An annular barrier with a seal
10/03/2013	WO2013007971A3 Subsea interface
10/03/2013	WO2012160380A3 Support device for use in a wellbore and a method for deploying a barrier in a wellbore
10/03/2013	US20130261032 Additive for subterranean treatment
10/03/2013	US20130256991 Shape memory seal assembly
10/03/2013	US20130255961 Method and system for running barrier valve on production string
10/03/2013	US20130255958 Retrofit barrier valve system
10/03/2013	US20130255949 Cement Compositions Comprising Lignite-Based Grafted Copolymers and Methods of Use
10/03/2013	US20130255948 Compositions and Methods for Well Completions
10/03/2013	US20130255947 Intermediate completion assembly for isolating lower completion
10/03/2013	US20130255946 Method for single trip fluid isolation
10/03/2013	US20130255937 High speed cement bond logging and interactive targeted intervention
10/02/2013	EP2644821A1 An annular barrier having a flexible connection
10/02/2013	EP2644820A1 An annular barrier with a seal
10/02/2013	EP2644819A1 An annular barrier having expansion tubes
10/02/2013	EP2643549A1 Valve apparatus
10/02/2013	EP2643547A1 Method and apparatus for setting a wellbore packer
10/02/2013	EP2643546A2 Retrievable swellable packer
10/02/2013	EP2643542A2 Valve apparatus and improved ram
10/02/2013	DE102012102713A1 Method for forming and filling terrestrial heat probe hole by pressurized air-rinsed drill head with feed device, involves determining depth-dependant characteristic of surrounding of drilling wall based on pressure profile
10/02/2013	CN203223205U High-strength well flushing packer
10/02/2013	CN203223204U 机械式封隔器 Mechanical packer
10/02/2013	CN203223203U Hanging packer for open hole completion pipe string
10/02/2013	CN203223202U Tube throwing device of downhole borehole sleeve tube
10/02/2013	CN203223201U Conversion flange
10/02/2013	CN203223200U Steel wire blowout preventer switch pump for oil field well testing
10/02/2013	CN203223199U Special hoisting tool for realizing installation of underwater wellhead cap without occupying wellhead
10/02/2013	CN203223198U Wellhead outlet installation device
10/02/2013	CN103339344A Setting tool
10/02/2013	CN103334727A Plug with adjustable two-stage lower layer
10/02/2013	CN103334714A Bag device for quickly sealing holes
10/02/2013	CN103334713A Intubation packer
10/02/2013	CN102094593B Sealing device and mechanical sealing packer
10/02/2013	CA2773339A1 Casing integrity pressure test system
10/01/2013	US8544565 Lost circulation control fluids for naturally fractured carbonate formations
10/01/2013	US8544554 Restricting production of gas or gas condensate into a wellbore
10/01/2013	US8544551 Methods and devices for isolating wellhead pressure
10/01/2013	US8544543 Consolidating spacer fluids and methods of use
10/01/2013	US8544541 Packer supported on bonded connection to a surrounding tubular
10/01/2013	US8544539 Independent guide string hanger
10/01/2013	US8544538 System and method for sealing a wellbore
10/01/2013	US8544535 Integrated wellhead assembly
10/01/2013	CA2734420C Swellable packer slip mechanism
10/01/2013	CA2715647C Expandable packer
10/01/2013	CA2713995C Method for evaluating subterranean formation fluid
10/01/2013	CA2654848C Modular wellpad construction system
10/01/2013	CA2567913C Blending system for solid/fluids mixtures
09/2013
09/28/2013	CA2810535A1 Wiper assembly for a pump
09/26/2013	WO2013141970A1 Alignment system for flapper valve
09/26/2013	WO2013138896A1 Stage tool for wellbore cementing
09/26/2013	WO2012150445A3 Downhole tool
09/26/2013	WO2012149094A3 Apparatus and methods for establishing and/or maintaining controlled flow of hydrocarbons during subsea operations

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