E21B 33 - Sealing or packing boreholes or wells

Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
10/2013
10/24/2013	US20130277068 Packer, sealing system and method of sealing
10/24/2013	US20130277051 One trip treatment system with zonal isolation
10/24/2013	US20130277044 Frac Plug Body
10/23/2013	EP2652246A1 Wellbore apparatus and methods for zonal isolation and flow control
10/23/2013	EP2652245A2 "packer assembly with sealing bodies"
10/23/2013	EP2652244A2 Packer for alternate flow channel gravel packing and method for completing a wellbore
10/23/2013	EP2652243A2 Plugging device
10/23/2013	EP2652242A2 Plugging device
10/23/2013	EP2652205A1 Method for drilling and lining a well
10/23/2013	CN203248134U Underwater horizontal type Christmas tree body
10/23/2013	CN203248117U Drilling water stopping device and drilling system
10/23/2013	CN203248116U Floating-seal-type gate valve applied to drill pipe and drilling device
10/23/2013	CN203248114U Water stopping device for hydrological hole pumping test
10/23/2013	CN203248113U Anti-spraying safety well opening device
10/23/2013	CN203248112U Drilling device and normally sealed type blowout preventer
10/23/2013	CN203248111U Deviation-adjustable high-pressure resistant rod sealing unit
10/23/2013	CN203248110U Needle roller disassembly and assembly type anti-theft screwed plug
10/23/2013	CN103362542A Sectionalized hole sealing method for bedding gas extraction drilled holes
10/23/2013	CN103362486A Digital underground layering water injection testing and adjusting process pipe column and operation method thereof
10/23/2013	CN103362473A Graded variable density well cementation technology
10/23/2013	CN103362472A Externally injecting type gas drainage and coal seam water injection hole packer
10/23/2013	CN103362471A Bag type gas extraction hole plugging device
10/23/2013	CN103362470A Annular mechanical packer for oil gas well
10/23/2013	CN103362469A Automatic control device of reverse tubular column coupling of belt pressure operation device
10/23/2013	CN103362468A Automatic control device for safely pulling tube column coupling out of snubbing operation device
10/23/2013	CN103362448A Combined device for float casing arrangement and check valve well cementation
10/23/2013	CN103362161A Wire saw recessing machine
10/23/2013	CN103361039A Blocking method adopting fluid gel for producing blocking valve by formation temperature to block gas reservoir
10/23/2013	CN101566053B System and method to facilitate treatment and production in wellbore
10/23/2013	CA2805379A1 Swellable packer in hookup nipple
10/22/2013	US8561710 Seal system and method
10/22/2013	US8561709 Liner top packer seal assembly and method
10/22/2013	US8561701 Methods for cementing in a subterranean formation using a cement composition containing calcium silicate hydrate seeds
10/22/2013	US8561700 Method and apparatus for cementing while running casing in a well bore
10/22/2013	US8561689 Swellable downhole apparatus and support assembly
10/22/2013	US8561686 Downhole fluid communication apparatus and method
10/22/2013	US8561684 Down-hole actuation device storage apparatus and method for launching
10/22/2013	CA2740453C Resin and foam resin sealants for zonal isolation and methods for making and using same
10/22/2013	CA2546046C System and method for facilitating well construction
10/22/2013	CA2535940C Packers and methods of use
10/17/2013	WO2013155206A2 Blowout preventer with locking ram assembly and method of using same
10/17/2013	WO2013155200A2 Blowout preventer locking door assembly and method of using same
10/17/2013	WO2013155191A2 Blowout preventer seal assembly and method of using same
10/17/2013	WO2013152940A1 Pipe provided with a crimped metal element, and corresponding process
10/17/2013	WO2012177650A3 Subsea connector with a split clamp latch assembly
10/17/2013	WO2012160339A3 Improved annular isolation with tension-set external mechanical casing (emc) packer
10/17/2013	WO2012129016A3 Sliding stage cementing tool
10/17/2013	WO2012082305A3 Wellbore apparatus and methods for multi-zone well completion, production and injection
10/17/2013	WO2012082303A3 Packer for alternate flow channel gravel packing and method for completing a wellbore
10/17/2013	US20130270466 Wellbore Control Device
10/17/2013	US20130270465 System and method for providing additional blowout preventer control redundancy
10/17/2013	US20130269956 Expandable Annular Isolator
10/17/2013	US20130269948 Annulus cementing tool for subsea abandonment operation
10/17/2013	US20130269942 Method and system for sealing a void in an underground wellbore
10/17/2013	US20130269940 Retarded Cement Compositions and Methods for Well Completions
10/17/2013	US20130269939 Method And Apparatus For Closure Of An Earth Borehole
10/17/2013	US20130269938 Well Treatment Apparatus, System, and Method
10/17/2013	US20130269930 Drillable tool back up shoe
10/17/2013	US20130269929 Protected retaining bands
10/17/2013	US20130269927 Polish rod seal
10/17/2013	US20130269281 Protective Enclosure for a Wellhead
10/16/2013	EP2650468A2 A Downhole Plug
10/16/2013	EP2649355A1 Boltless locking arrangement
10/16/2013	EP2649269A2 Extending lines through, and preventing extrusion of, seal elements of packer assemblies
10/16/2013	EP2649268A2 Dual seal tubing hanger
10/16/2013	EP2649267A2 Sealing system for borehole pumps
10/16/2013	CN203239302U Separated-layer water injection tubular column
10/16/2013	CN203239278U Oil field self-grouting device
10/16/2013	CN203239277U Hydraulic-set grout stopping plug
10/16/2013	CN203239276U Well completion bump pressure combined device for coupling-free reinforcing tube
10/16/2013	CN203239275U Novel measuring tank for well cementation cement truck
10/16/2013	CN203239274U Sealing device based on plug water-pressure test
10/16/2013	CN203239273U Down-hole packer based on shape memory materials
10/16/2013	CN203239272U Protective drilling device preventing eccentric abrasion
10/16/2013	CN203239271U Annular preventer
10/16/2013	CN203239270U Wellhead blowout preventer for steam injection and oil producing well
10/16/2013	CN203239269U Self-sealing blowout-preventing device for oil fishing wellhead
10/16/2013	CN203239268U Check valve type well shut-in device
10/16/2013	CN203239267U Large cross with jackscrew structure
10/16/2013	CN203239266U Oil fishing wellhead adapter
10/16/2013	CN203239265U Intelligent well closing device
10/16/2013	CN203239264U Self-locking blowout prevention box supporting clamp
10/16/2013	CN103352675A Gas extraction, drilling and sealing device and method
10/16/2013	CN103352674A Upper-layer adjustable plugging device
10/16/2013	CN103352673A Monocular twin-well surface layer well cementation technology
10/16/2013	CN102516960B Micro-suspension self-selection profile control agent and application method thereof
10/16/2013	CN102168536B Underwater double-unlocking connector
10/16/2013	CN101929319B Physical foaming cement well cementation technology and matching system
10/15/2013	US8557036 Settable compositions comprising wollastonite and pumice and methods of use
10/15/2013	US8555986 Actuation assembly and method for actuating a downhole tool
10/15/2013	US8555984 Linear rod pump operating method
10/15/2013	US8555973 Methods and compositions for controlling formation fines and reducing proppant flow-back
10/15/2013	US8555972 Multiple activation-device launcher for a cementing head
10/15/2013	US8555967 Methods and systems for evaluating a boundary between a consolidating spacer fluid and a cement composition
10/15/2013	US8555961 Swellable packer with composite material end rings
10/15/2013	US8555959 Compression assembly and method for actuating downhole packing elements
10/15/2013	CA2752848C Sealing array for high temperature applications
10/15/2013	CA2585498C Method of sealing an annular space in a wellbore
10/10/2013	WO2013152233A2 Misalignment-tolerant wellsite connection assembly, system, and method
10/10/2013	WO2013152195A2 Wellsite connector with floating seal member and method of using same

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