E21B 33 - Sealing or packing boreholes or wells

Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
11/2006
11/30/2006	CA2607389A1 Sealing device surrounding duct in hole
11/29/2006	EP1726775A1 System and method for fluid control in expandable tubing
11/29/2006	EP1725739A1 Improved well fluids and methods of use in subterranean formations
11/29/2006	EP1725738A1 System for sealing an annular space in a wellbore
11/29/2006	CN2841957Y Liquid flow heating well head sand-removing device
11/29/2006	CN2841952Y Circular flow-path anti-freeze well head device
11/29/2006	CN2841949Y Reverse differential pressure anchor packer
11/29/2006	CN2841948Y Oil pipe Blow-out preventing pressure test device
11/29/2006	CN2841947Y Telescopic wellhead production valve anti-theft device
11/29/2006	CN2841946Y Offset packer box
11/28/2006	US7140447 Subsurface annular safety barrier
11/28/2006	US7140440 Mixture of zeolite, cement and flow control agent; well completion
11/28/2006	US7140439 Well completion; sealing subterranean zones; treating fluids introduced into a subterranean zone penetrated by a wellbore, particularly fluids introduced as remedial compositions such as pills
11/28/2006	CA2427034C Expanding wellbore junction
11/28/2006	CA2420979C Method and apparatus for cementing wells
11/28/2006	CA2331381C A method for the formation of a plug in a petroleum well
11/27/2006	CA2547868A1 System and method for fluid control in expandable tubing
11/24/2006	CA2554659A1 Hanger flange for hanging a tubular body in a well
11/23/2006	US20060260820 Zonal Isolation Tools and Methods of Use
11/23/2006	US20060260819 Run-in and retrieval device for a downhole tool
11/23/2006	US20060260812 Compositions and methods for plugging and sealing a subterranean formation
11/22/2006	EP1724434A1 Universal tubing hanger suspension assembly and well completion system and method of using same
11/22/2006	EP1723308A1 System for sealing an annular space in a wellbore
11/22/2006	EP1527253B1 Inflation tool with real-time temperature and pressure probes
11/22/2006	EP1399643B1 Rotational mounts for blowout preventer bonnets
11/22/2006	EP1373679B1 Liquid separation device
11/22/2006	EP1350003B1 Method of drilling and operating a subsea well
11/22/2006	EP1157189B1 Internal riser rotating control head
11/22/2006	CN2839555Y Releasing gadget packer
11/22/2006	CN2839554Y Anti-creeping expanding water injection plugging device
11/22/2006	CN2839553Y Intelligent opening and closing device for detecting and packing underwell oil-water layers
11/22/2006	CN2839552Y Multifunction special packing box
11/22/2006	CN1865651A Oil well head sealing device
11/21/2006	US7139219 Hydraulic impulse generator and frequency sweep mechanism for borehole applications
11/21/2006	US7137610 Wellhead production blowout preventer
11/21/2006	US7137454 Apparatus for facilitating the connection of tubulars using a top drive
11/21/2006	US7137453 Remote operated actuator system for drill string internal blowout preventer
11/21/2006	US7137451 Controlling and/or testing a hydrocarbon production system
11/21/2006	US7137450 Electric-hydraulic power unit
11/21/2006	US7137448 Curing hydraulic cementitious slurry containing spherical zeolites to obtain a lower compressive strength then that of neat as well as obtaining an increase in flexural strength and less brittleness; pumping the activated slurry within the gas or oil well bore to a pre-selected location and solidifying
11/21/2006	US7137446 Fluids comprising reflective particles and methods of using the same to determine the size of a wellbore annulus
11/21/2006	CA2320027C Safety slip ram
11/21/2006	CA2260448C Apparatus and methods for sealing a wellbore junction
11/20/2006	CA2821064A1 Retractable joint and cementing shoe for use in completing a wellbore
11/20/2006	CA2750697A1 Retractable joint and cementing shoe for use in completing a wellbore
11/19/2006	CA2546046A1 System and method for facilitating well construction
11/16/2006	WO2006121340A1 Packer-anchoring device
11/16/2006	WO2005090743A8 System for sealing an annular space in a wellbore
11/16/2006	WO2004025069A3 System and method of drilling and completion
11/16/2006	US20060258547 Well completion; sealing subterranean zones; treating fluids introduced into a subterranean zone penetrated by a wellbore, particularly fluids introduced as pills; surfactants such as cetyltrimethylammonium chloride, cocoalkyltrimethylammonium chloride, water and oil based carrier fluids, zeolites
11/16/2006	US20060254826 Drilling method
11/16/2006	US20060254822 Method and apparatus for adding a tubular to drill string with diverter
11/16/2006	US20060254780 Variable Size Coil Tubing Gripping Elements
11/16/2006	US20060254778 Method and system for tubing a borehole in single diameter
11/16/2006	US20060254773 Coiled tubing cutter
11/16/2006	US20060254772 High molecular weight polyamine salts as clay stabilizing agents
11/16/2006	US20060254771 Treating a well by injecting a fluid loss pill comprising an aqueous solution; and a viscoelastic surfactant; an increase of viscosity at near-static reservoir conditions
11/16/2006	US20060254770 Method and composition for cleaning a well bore prior to cementing
11/16/2006	US20060254466 Dual function cement additive
11/16/2006	CA2607289A1 Tubular running tool and method of using same
11/15/2006	EP1721059A1 Suppressing fluid communication to or from a wellbore
11/15/2006	EP1721058A1 Connection system for subsea flow interface equipment
11/15/2006	EP1720954A1 Drilling fluids with improved shale inhibition and methods of drilling in subterranean formations
11/15/2006	CN2837505Y Down-hole grouting tool
11/15/2006	CN2837504Y Water-isolation oil production packer
11/15/2006	CN2837503Y Hydraulic compression type packer
11/15/2006	CN2837502Y Flushing packer used in oil well
11/15/2006	CN2837501Y Integrated multi-effect blowout preventer
11/15/2006	CN2837500Y Blowout preventer
11/15/2006	CN2837493Y Well cementing casing device capable of quick setting of cement slurry
11/15/2006	CN1284842C Oil and water well plugging agent and its producing process
11/14/2006	US7134506 Deformable member
11/14/2006	US7134505 Method and apparatus for wellbore fluid treatment
11/14/2006	US7134504 Expandable packer with anchoring feature
11/14/2006	US7134498 Well drilling and completions system
11/14/2006	US7134495 Apparatus and method for lining a downhole casing
11/14/2006	US7134491 Leak remedy through sealants in local reservoirs
11/14/2006	US7134490 Through bore wellhead hanger system
11/14/2006	US7134488 Isolation assembly for coiled tubing
11/14/2006	CA2349223C Method and apparatus for connecting a lateral branch liner to a main well bore
11/09/2006	WO2006119129A2 High pressure expandable packer
11/09/2006	WO2006119041A1 Energized thermoplastic sealing element
11/09/2006	WO2006119037A2 Expandable packer with mounted exterior slips and seal
11/09/2006	WO2006118470A1 Annular packer device
11/09/2006	US20060249290 Electrically operated actuation tool for subsea completion system components
11/09/2006	US20060249289 Set-delayed cement compositions comprising hydrated lime and silica and methods of cementing in subterranean formations
11/09/2006	US20060249288 Identifying zones of origin of annular gas pressure
11/09/2006	US20060249285 Friction spring release mechanism
11/09/2006	US20060248985 Granular particle gripping surface
11/08/2006	EP1719873A1 Expandable sleeve
11/08/2006	EP1718840A1 Stripper rubber adapter
11/08/2006	CN2835769Y Anti-theft screwed plug and special tool therefor
11/08/2006	CN2835554Y Acoustic variable-density well logging instrument
11/08/2006	CN2835545Y Reclaimable bridge plug
11/08/2006	CN2835544Y Inside balance type quick-mounting cement casing head
11/08/2006	CN2835543Y Self-sealing examination packer
11/08/2006	CN2835542Y Multifunctional and controllable subdivision water injection packer
11/08/2006	CN2835541Y External casing packer filling circulating tool
11/08/2006	CN2835540Y Blowout preventer for tubing
11/08/2006	CN2835539Y Pre-pressurized well fluid sealing cylinder

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