Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
09/2006
09/20/2006EP1446367B1 Method of hardening a fluid mass
09/20/2006CN2818768Y Self-adjusting partilioned injection-production packer
09/20/2006CN2818767Y Thermal-insulator at well opening
09/19/2006US7108084 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
09/19/2006US7108080 Method and apparatus for drilling a borehole with a borehole liner
09/19/2006US7108072 Lubrication and self-cleaning system for expansion mandrel
09/19/2006US7108069 Online thermal and watercut management
09/19/2006US7108068 Floating plate back pressure valve assembly
09/19/2006US7108067 Method and apparatus for wellbore fluid treatment
09/19/2006US7107875 Methods and apparatus for connecting tubulars while drilling
09/19/2006CA2415637C Well management system
09/19/2006CA2367559C Inflatable packer setting tool assembly
09/19/2006CA2347269C Universal cementing plug
09/19/2006CA2322884C A non-rotating sensor assembly for measurement-while-drilling
09/19/2006CA2307972C Low pressure, high temperature composite bridge plug
09/19/2006CA2296858C Cementing head
09/19/2006CA2105184C Thermoviscosifying polymers, their synthesis and their uses in particular in the oil industry
09/14/2006WO2006096069A1 An apparatus and a method for deployment of a well intervention tool string into a subsea well
09/14/2006WO2006095160A1 Tree plug
09/14/2006US20060201711 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
09/14/2006US20060201683 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
09/14/2006US20060201682 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
09/14/2006US20060201681 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
09/14/2006US20060201680 Method and device by a displacement tool
09/14/2006US20060201679 Support member for subsea jumper installation, and methods of using same
09/14/2006US20060201678 Pressure driven pumping system
09/14/2006US20060201672 Methods for high temperature lightweight cementing
09/14/2006CA2539511A1 Method and apparatus for cementing a well using concentric tubing or drill pipe
09/13/2006EP1701000A1 A method and apparatus for consolidating a wellbore
09/13/2006EP1700999A2 Tubular filling system
09/13/2006EP1700000A1 Underbalanced well drilling and production
09/13/2006CN2816346Y Cluster type well equi-potential energy self-balacing oil pumping unit
09/13/2006CN2816345Y Oil-field well mouth double heat-insulation cover
09/13/2006CN2816343Y Axial self-locking type packer
09/13/2006CN2816342Y Cement-filling type packer
09/13/2006CN2816341Y Pressure-relief type well-plugging device
09/13/2006CN2816340Y Novel jacking proof anti-blowout plugging well device
09/13/2006CN2816339Y Well controlled blowout-proof device
09/13/2006CN2816328Y Thick-oil hot-production sleeve-pipe head
09/13/2006CN2815625Y Polish rod sealer sealing member detaching device
09/13/2006CN1831292A Cable transport cement ejecting device for sealing high-pressure oil-gas well
09/13/2006CN1274941C Single mud blowout preventer for drilling well
09/12/2006US7104332 Method and apparatus for creating a cemented lateral junction system
09/12/2006US7104325 Introducing a brine preflush of cationic surfactant into a well bore, then a hardenable furan liquid resin mixture, a solvent, an organosilane coupling agent and an acid catalyst, flushing with brine, then allowing hardenable resin composition to cure
09/12/2006US7104323 Spiral tubular tool and method
09/12/2006US7104322 Open hole anchor and associated method
09/12/2006US7104125 Internal riser inspection device and methods of using same
09/12/2006CA2309516C Drill string diverter apparatus and method
09/07/2006US20060196680 Casing packoff system
09/07/2006US20060196679 Apparatus for radially expanding and plastically deforming a tubular member
09/07/2006US20060196677 Multi-lock adapters for independent screwed wellheads and methods of using same
09/07/2006US20060196673 Multi-purpose sleeve for tieback connector
09/07/2006US20060196663 Continuous monobore liquid lining system
09/06/2006EP1697614A1 Device of a test plug
09/06/2006EP1412614B1 Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone
09/06/2006CN2814036Y Sealing device capable of changing packing under pressed state
09/06/2006CN2814035Y Self-balance rotary sealing device
09/06/2006CN2813890Y Wellhead antifalling device
09/06/2006CN2813882Y Polish rod releasing automatic antipollution device
09/06/2006CN2813881Y Antitheft and antidismounting packing box
09/06/2006CN2813880Y Polishingrod packing box
09/06/2006CN2813879Y Air gun type well head connector
09/06/2006CN1829852A System for sealing a space in a wellbore
09/06/2006CN1829851A Removable seal carrier for blowout preventer bonnet assembly
09/05/2006US7100710 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
09/05/2006US7100700 Downhole ball dropping apparatus
09/05/2006US7100693 Process for pressure stimulating a well bore through a template
09/05/2006CA2453729C Expandable sealing apparatus for wellbores
09/05/2006CA2452798C Reinforced swelling elastomer seal element on expandable tubular
09/05/2006CA2414449C Liner hanger with slip joint sealing members
09/05/2006CA2276522C Drill string diverter apparatus and method
09/02/2006CA2536446A1 The use of lamb waves in cement bond logging
08/2006
08/31/2006US20060192160 Linear hydraulic stepping actuator with fast close capabilities
08/31/2006US20060191716 Well drilling and production using a surface blowout preventer
08/31/2006US20060191684 Assembly for determining thermal properties of a formation while drilling or perforating
08/31/2006US20060191679 Triple valve blow out preventer
08/30/2006EP1694941A1 Device for removal and filtration of drilling fluid
08/30/2006EP1694722A1 Polyamine salts as clay stabilizing agents
08/30/2006CN2811554Y Snubbing device in underbalanced drilling
08/30/2006CN2811553Y Rectangular wire-added packing set
08/30/2006CN2811552Y Adjustable rotating oil extraction well head
08/30/2006CN2811551Y Simple decentralized wellhead
08/30/2006CN2811550Y Well blowout prevention sealing device
08/29/2006US7097387 Engineered material buoyancy system and device
08/29/2006US7096976 Drilling formation tester, apparatus and methods of testing and monitoring status of tester
08/29/2006US7096975 Modular design for downhole ECD-management devices and related methods
08/29/2006US7096960 Mounts for blowout preventer bonnets
08/29/2006US7096956 Wellhead assembly with pressure actuated seal assembly and running tool
08/29/2006US7096949 Wiper plug with packer
08/29/2006US7096948 Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing
08/29/2006US7096944 Well fluids and methods of use in subterranean formations
08/29/2006US7096937 Flow completion system
08/24/2006WO2006088379A1 Centralization and running tool and method
08/24/2006WO2006088372A1 System and method for well intervention
08/24/2006WO2006023218A3 Rotating pressure control head
08/24/2006WO2006003389A3 Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations
08/24/2006US20060186602 Improved seal
08/24/2006US20060186601 Fluid seals
08/24/2006US20060185906 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
08/24/2006US20060185846 Methods for forming a permeable and stable mass in a subterranean formation