E21B 33 - Sealing or packing boreholes or wells

Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
10/2006
10/12/2006	US20060225877 Patriot retrievable production packer
10/12/2006	US20060225622 Cement compositions with improved corrosion resistance and methods of cementing in subterranean formations
10/11/2006	EP1710393A2 Method and apparatus for controlling fluid flow in subterranean formations
10/11/2006	EP1710025A2 Method of creating a seal in a subsurface environment
10/11/2006	EP1709294A2 Probe isloation seal pad
10/11/2006	EP1709292A1 Method of creating a zonal isolation in an underground wellbore
10/11/2006	EP1709290A1 Contained micro-particles for use in well bore operations
10/11/2006	EP1709289A2 Externally activated seal system for wellhead
10/11/2006	EP1709285A1 Split locking ring for wellhead components
10/11/2006	EP1299616B1 Deformable member
10/11/2006	CN2825947Y Blowout preventer for drill of protrusive coal seam
10/11/2006	CN2825945Y Anti-collision device at well mouth for testing oil well
10/11/2006	CN2825937Y Multifunctional and combined oil extraction device
10/11/2006	CN2825935Y Automatic blowout preventer when polish rod thread-off
10/11/2006	CN2825934Y Manual ram blowout preventer with self-seal
10/11/2006	CN2825933Y Manual hydraulic blowout preventer for sealing square drill rod and drill rod
10/11/2006	CN2825932Y Transverse transmission seal device without polished rod for pumping well
10/11/2006	CN2825931Y Oil well sealer
10/11/2006	CN2825930Y Pumping well polish rod sealer
10/11/2006	CN2825929Y Wellhead device for oil-water well fracturing construction
10/11/2006	CN2825928Y Portable rotary aligning well sealer
10/11/2006	CN2825927Y Simple well mouth
10/11/2006	CN2825926Y Spherical compensation seal apparatus
10/11/2006	CN2825925Y Multifunctional blowout-preventing well mouth sealer
10/11/2006	CN2825924Y Well sealer
10/11/2006	CN1279287C Well jet device
10/10/2006	US7117957 Methods for drilling and lining a wellbore
10/10/2006	US7117949 Expandable packer with anchoring feature
10/10/2006	US7117947 Well chemical treatment utilizing plunger lift delivery system
10/10/2006	US7117945 Well operations system
10/10/2006	CA2452825C Method and apparatus for plugging a wellbore
10/10/2006	CA2262808C Plug apparatus having a dispersible plug member and a fluid barrier
10/08/2006	CA2541142A1 Tubing rotator
10/05/2006	WO2006103637A1 System and method for creating packers in a wellbore
10/05/2006	WO2006103630A1 Improved inflatable packers
10/05/2006	WO2005111370A3 Improved flexible cup for downhole devices
10/05/2006	US20060221762 Fluid mixing system
10/05/2006	US20060219415 Packer cups for use inside a wellbore
10/05/2006	US20060219412 Subsea intervention fluid transfer system
10/05/2006	US20060219408 Pre-flushing with hydrocarbon, then placing low-viscosity adhesive substance diluted with aqueous dissolvable solvent into portion of subterranean formation; tackifier resins; phenol-formaldehyde resins; well bores
10/05/2006	US20060219406 System and method for creating packers in a wellbore
10/05/2006	US20060219405 Method of stabilizing unconsolidated formation for sand control
10/05/2006	US20060219400 Inflatable packers
10/05/2006	DE102005015524A1 Method of securing of infilled shafts involves inserting angled anchor rods through infilled shaft with expanded internal anchor
10/05/2006	CA2601718A1 Improved inflatable packers
10/04/2006	EP1707737A1 Tubing head seal assembly
10/04/2006	EP1706584A2 Measuring device and drilling device for deep drillings
10/04/2006	EP1706582A1 Methods of cementing in subterranean formations using crack resistant cement compositions
10/04/2006	EP1706581A1 Clamping well casings
10/04/2006	EP1259706B1 Use of downhole high pressure gas in a gas-lift well
10/04/2006	CN2823542Y Ultra-energy mixer
10/04/2006	CN2823541Y Memory type warm-pressing double-control heat extracting packer
10/04/2006	CN2823540Y Packer with by-pass device
10/04/2006	CN2823539Y Expansion type water injector packer
10/04/2006	CN2823538Y Water injection packer
10/04/2006	CN2823537Y Sliding valve type packer by-pass sealing structure
10/04/2006	CN2823536Y Steam injection heating type well head sand remover
10/04/2006	CN2823535Y Blow-out preventer
10/04/2006	CN1842672A A sealing device for temporarily closing a well or a pipe
10/04/2006	CN1278014C Cement band pressure curing channelling-blocking method
10/03/2006	US7114581 Active controlled bottomhole pressure system & method
10/03/2006	US7114574 By-pass valve mechanism and method of use hereof
10/03/2006	US7114571 Device for installation and flow test of subsea completions
10/03/2006	US7114570 Reducing production and preventing migration of loose particulates; applying aqueous liquid and surfactant preflush solution, integrated consolidation fluid and afterflush fluid; noncatalytic
10/03/2006	US7114569 Hydraulic cement; water; and suspending agent of boron treated low molecular weight dry ground guar splits; iron oxide, manganese oxide, or sodium chloride weighting agent; acrylic acid-2-acrylamido-2-methyl propane sulfonic acid copolymer set retarder; silica strength retrogression prevention
10/03/2006	US7114568 Hydrophobically modified polymers for a well completion spacer fluid
10/03/2006	US7114560 Methods for enhancing treatment fluid placement in a subterranean formation
10/03/2006	US7114558 Filtered actuator port for hydraulically actuated downhole tools
10/03/2006	CA2318157C Inflatable packer
09/2006
09/28/2006	WO2006102496A2 Novel wellhead valves
09/28/2006	US20060213671 Erosion resistant crossover for fracturing/gravel packing
09/28/2006	US20060213668 A Method of Coupling Tubular Member
09/28/2006	US20060213664 Enhancing the compressive strength by adding basalt fibers to a hydraulic cement and water; cementing a pipe string in a well bore
09/28/2006	US20060213663 Providing a wellbore fluid comprising a carrier fluid and a resilient material;introducing the wellbore fluid to an annulus;allowing at least a portion of the wellbore fluid to become trapped in the annulus;placing a cement into the annulus; andallowing the cement to set
09/28/2006	US20060213662 Methods of delivering material downhole
09/28/2006	US20060213658 In-situ method of coal gasification
09/28/2006	US20060213654 Novel wellhead valves
09/28/2006	US20060213399 Portland cements, pozzolana cements, gypsum cements, soil cements, calcium phosphate cements, high alumina content cements, silica cements, or high alkalinity cements; vitrified shale; andwater; strength enhancing
09/27/2006	CN2821147Y Jet type double stirring balance device
09/27/2006	CN2821146Y Universal anti-spray seal rubber core module
09/27/2006	CN2821145Y Anti-blow detector for ground wellhead
09/27/2006	CN2821144Y High pressure watered hole drilling sealing device
09/27/2006	CN2821143Y Automatic cut-off controller for wellhead over-pressure
09/27/2006	CN2821142Y High sulfur resistance oil production and gas well head device
09/27/2006	CN1837574A Water-plugging profile-modifying channel-blocking technology employing heat-sensitive water-soluble gel
09/26/2006	US7111688 Clamping well casings
09/26/2006	US7111687 Recovery of production fluids from an oil or gas well
09/26/2006	US7111685 Downhole sampling apparatus and method
09/26/2006	US7111684 Biodegradability; hydraulic cement and invert emulsion of an oleaginous fluid, nonoleaginous fluid, and emulsifying surfactant (ether carboxylic acid)
09/26/2006	US7111683 Formation consolidation process
09/26/2006	US7111677 Sand control for blanking plug and method of use
09/26/2006	CA2400973C Downhole surge pressure reduction and filtering apparatus
09/21/2006	WO2006099316A1 Riserless modular subsea well intervention, method and apparatus
09/21/2006	WO2006098634A1 A method and a device for in situ formation of a seal in an annulus in a well
09/21/2006	WO2006098631A1 Device and method for setting a bottom packer
09/21/2006	US20060211580 Well treating compositions containing water superabsorbent material and method of using the same
09/21/2006	US20060207769 Auto entry guide
09/21/2006	US20060207765 Method and apparatus for cementing production tubing in a multilateral borehole
09/21/2006	US20060207760 Collapsible expansion cone
09/20/2006	EP1703074A2 Tubular filling system

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