E21B 33 - Sealing or packing boreholes or wells

Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
11/2011
11/24/2011	US20110284206 Multi-component c-ring coupling
11/24/2011	US20110284204 Wafer stuffing box
11/24/2011	CA2799832A1 Mechanical bending weak link
11/23/2011	EP2205822B1 Object manoeuvring apparatus
11/23/2011	EP1825099B1 A method and a device for sealing a void incompletely filled with a cast material
11/23/2011	EP1778813B1 Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes
11/23/2011	EP1529150B1 Electric power control for sickline operations in wellbores
11/23/2011	DE202011107616U1 Vorrichtung und Lanzenvorrichtung zum Verpressen eines Bohrlochs Apparatus and Lance device for pressing a borehole
11/23/2011	CN202047859U Integral hole packer for drainage and pressure measurement of gas
11/23/2011	CN202047805U Novel christmas tree sleeve pipe anti-suffocating medicine-adding device
11/23/2011	CN202047786U Tail pipe composite rubber plug
11/23/2011	CN202047785U High pressure-bearing packer
11/23/2011	CN202047784U Packer
11/23/2011	CN202047783U Open hole packer and hole opening tool mated with same for use
11/23/2011	CN202047782U Swabbing steel wire rope spray-prevention device
11/23/2011	CN202047781U Novel two-way blowout preventing valve
11/23/2011	CN202047780U Well control blowout prevention safety rudder
11/23/2011	CN202047779U Inner balance electronic sensing cementing head
11/23/2011	CN202047778U Direct-fastening thread sealing device
11/23/2011	CN202047777U Blowout preventing device for well head
11/23/2011	CN202047776U Multifunctional anti-theft device for crude oil
11/23/2011	CN202047775U Clamping hoop with semicircular guard ring
11/23/2011	CN202047774U Oil extraction wellhead sealing device
11/23/2011	CN202047769U Safety pulling device for swabbing blowout prevention box
11/23/2011	CN202047756U Low temperature resistance oil pipeline
11/23/2011	CN102251762A Sand prevention protector for oil submersible motor
11/23/2011	CN102251760A Loose bed and bedrock layer mixed water-intaking and well-forming process for geothermal well
11/23/2011	CN102251756A Mountain flour plugging method
11/23/2011	CN102251755A Vibration exciting rubber stopper
11/23/2011	CN102251754A Blowout control tubing head with non-well-killing valve replacement
11/22/2011	US8062999 Sealant compositions comprising colloidally stabilized latex and methods of using the same
11/22/2011	US8061423 Expandable wellbore assembly
11/22/2011	US8061420 Downhole isolation tool
11/22/2011	CA2656768C Sand plugs and placing sand plugs in highly deviated wells
11/22/2011	CA2506923C A cable duct device in a swelling packer
11/21/2011	CA2740281A1 System, method and apparatus for fracture of wells having a liner
11/20/2011	CA2740453A1 Resin and foam resin sealants for zonal isolation and methods for making and using same
11/19/2011	CA2711323A1 Isolation tool
11/17/2011	WO2011143654A2 Method and apparatus for dropping a pump down plug or ball
11/17/2011	WO2011143364A1 Telescoping orientation joint
11/17/2011	WO2011143055A1 Methods for high solid content fluids in oilfield applications
11/17/2011	WO2011119728A3 System, assembly and method for port control
11/17/2011	WO2011075247A3 Retrieval method for opposed slip type packers
11/17/2011	WO2011064632A3 Preparation of setting slurries
11/17/2011	WO2011039512A3 Well containment system
11/17/2011	US20110278023 Assembly for controlling annuli between tubulars
11/17/2011	US20110278022 Plug for Setting in a Pipe
11/17/2011	US20110278013 Telescoping orientation joint
11/17/2011	US20110278010 Method and apparatus for wellbore fluid treatment
11/17/2011	US20110278007 Tool and method for providing access to a wellhead annulus
11/17/2011	US20110278006 Defluidizing lost circulation pills
11/17/2011	US20110278005 Method and system for temporarily locking a tubular
11/17/2011	US20110278004 Compositions and metods for cleaning a wellbore prior to cementing
11/17/2011	US20110278000 Geothermal well diversion agent formed from in situ decomposition of carbonyls at high temperature
11/17/2011	US20110277999 Single Packer System for Use In A Heavy Oil Environments
11/17/2011	US20110277998 Apparatus and Method for Setting a Tool in a Borehole
11/17/2011	US20110277997 Tool to determine formation fluid movement
11/17/2011	US20110277989 Configurable bridge plugs and methods for using same
11/17/2011	US20110277988 Plug
11/17/2011	US20110277987 Bottom set downhole plug
11/17/2011	US20110277986 Running adapter
11/17/2011	CA2799166A1 Methods for high solid content fluids in oilfield applications
11/17/2011	CA2798771A1 Method and apparatus for dropping a pump down plug or ball
11/16/2011	EP2386715A2 Connector
11/16/2011	EP2386714A2 Connector
11/16/2011	EP2386713A2 Connector
11/16/2011	CN202039838U Plug water separator with multiple conical indenter sections
11/16/2011	CN202039825U Integrated separated layer water injection packing water distributor for throwing test
11/16/2011	CN202039824U Back-off type well completion pipe string
11/16/2011	CN202039812U Oil pipe blowout preventive antitheft device
11/16/2011	CN202039811U Blowout preventer for rod breakage of screw pump
11/16/2011	CN202039810U Tubular rubber core multifunctional liquid-operated annular blowout preventer
11/16/2011	CN202039809U Underwater double-unlocking connector
11/16/2011	CN202039803U Easy and fast packing mounting device
11/16/2011	CN202039801U Compression-injection type wind-powered slagging hole packer
11/16/2011	CN102245854A Bop packing units selectively treated with electron beam radiation and related methods
11/16/2011	CN102242639A Compressed air grouting device
11/16/2011	CN102242616A Elastic wing casing pipe for improving second interface well cementation quality
11/16/2011	CN102242615A 钻孔瓦斯防喷装置 Gas drilling blowout preventer
11/16/2011	CN102242614A Coaxial double-layer gas injection well mouth device
11/16/2011	CN101094965B Apparatus and method for guiding pipe
11/15/2011	US8056631 Cementitious compositions having coarse ground blast furnace slag and methods of making and using the same
11/15/2011	US8056630 Methods of using viscoelastic surfactant gelled fluids to pre-saturate underground formations
11/15/2011	US8056627 Permeability flow balancing within integral screen joints and method
11/15/2011	US8056621 Master ball valve with integrated hanger
11/15/2011	CA2655501C Wireline slip hanging bypass assembly and method
11/13/2011	CA2735639A1 Wellhead control line deployment
11/10/2011	WO2011139399A2 Tunable floating seal insert
11/10/2011	WO2004092527A3 Apparatus for radially expanding and plastically deforming a tubular member
11/10/2011	US20110272607 Tunable Floating Seal Insert
11/10/2011	US20110272163 Wellhead Downhole Line Communication Arrangement
11/10/2011	US20110272157 Slot Perforating Tool
11/10/2011	US20110272150 Well fluid sampling system for use in heavy oil environments
11/10/2011	US20110272148 Methods, systems and apparatus for coiled tubing testing
11/10/2011	US20110272142 Radiation-Induced Thickening and Radiation-Induced Triggering for Set-On-Command Sealant Compositions and Methods of Use
11/10/2011	US20110272141 Radiation-Induced Triggering for Set-On-Command Sealant Compositions and Methods of Use
11/10/2011	US20110272138 Hydraulic packer constructed entirely of glass-fiber composition and stainless steel
11/09/2011	EP1325209B1 Method and apparatus for cementing wells
11/09/2011	CN202031627U A coal seam spontaneous combustion control system
11/09/2011	CN202031556U Water plugging tubular column of bridge plug

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