E21B 33 - Sealing or packing boreholes or wells

Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
11/2009
11/11/2009	EP2115268A2 System and method for facilitating downhole operations
11/11/2009	CN201344014Y Thermal production packer
11/11/2009	CN201344013Y Small-diameter packer
11/11/2009	CN201344012Y Expanding well-flushing packer
11/11/2009	CN201344011Y Blowout preventer quick-connection device
11/11/2009	CN201344010Y Oil wellhead protector
11/11/2009	CN201344009Y Controllable anti-theft well plugging device
11/11/2009	CN201344008Y Oil pipe snubbing operation protector for oil well
11/11/2009	CN101575966A Method for water plugging and profile controlling of underground polymerization of oil exploitation sludge
11/11/2009	CN101575957A High-pressure rapid stopping device
11/11/2009	CN101575956A Concentric integral water detecting and plugging pipe column
11/11/2009	CN101575955A Design method of low-pressure gas well swabbing damper
11/11/2009	CN101575954A Connecting device between side gate and shell of ram blowout preventer
11/11/2009	CN101575953A Unit equipment of pipe laying and mixing water
11/11/2009	CN101575940A Drilling operation method by utilizing dual drill drilling system
11/10/2009	US7614453 Stress distributing wellhead connector
11/10/2009	US7614451 Method for constructing and treating subterranean formations
11/10/2009	US7614448 Fracturing isolation sleeve
11/10/2009	US7614447 System, method, and apparatus for energizable metal seals in well heads
11/10/2009	CA2512292C Unitary blade seal for a shearing blind ram in a ram type blowout preventer
11/10/2009	CA2493901C Method for construction and completion of injection wells
11/10/2009	CA2371122C Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone
11/05/2009	WO2009134902A1 System and method for use of pressure actuated collapsing capsules suspended in a thermally expanding fluid in a subterranean containment space
11/05/2009	WO2009134141A1 Internal tree cap and itc running tool
11/05/2009	WO2009134138A1 Arrangement in a hose connection between a wellhead and a surface installation
11/05/2009	WO2009132462A1 Downhole sub with hydraulically actuable sleeve valve
11/05/2009	WO2009132433A1 System for pulse-injecting fluid into a borehole
11/05/2009	WO2009116875A4 Well plug
11/05/2009	WO2009108940A3 Underground sequestration system and method
11/05/2009	WO2009102709A3 Radially supported seal and method
11/05/2009	WO2009100914A3 Arrangement system
11/05/2009	WO2009097341A3 Launching tool for releasing cement plugs downhole
11/05/2009	US20090272547 Method and apparatus for a downhole excavation in a wellbore
11/05/2009	US20090272546 Downhole apparatus with a swellable seal
11/05/2009	US20090272545 System and method for use of pressure actuated collapsing capsules suspended in a thermally expanding fluid in a subterranean containment space
11/05/2009	US20090272541 Downhole apparatus with a swellable connector
11/05/2009	US20090272523 Methane Gas Wellhead
11/05/2009	US20090272522 Master ball valve with integrated hanger
11/05/2009	US20090272521 Stuffing Box for Pump Drive Head of Oil Well
11/05/2009	DE102008021491A1 Spannkopf für eine Erdbohranlage Chuck for a Erdbohranlage
11/05/2009	CA2725328A1 System for pulse-injecting fluid into a borehole
11/05/2009	CA2722129A1 Arrangement in a hose connection between a wellhead and a surface installation
11/05/2009	CA2721703A1 Swellable compositions for borehole applications
11/05/2009	CA2719561A1 Downhole sub with hydraulically actuable sleeve valve
11/05/2009	CA2665429A1 Master ball valve with integrated hanger
11/04/2009	EP1633952B1 Cement compositions with improved fluid loss characteristics and methods of cementing in subterranean formations
11/04/2009	EP1565643B1 Methods and cement compositions for cementing in subterranean zones
11/03/2009	US7611120 Method and apparatus
11/03/2009	US7610963 Method and device for fluid displacement
11/03/2009	US7610959 Fluid movement control when used in completing a wellbore penetrating an oil well formation by inserting an elastomer such as butadiene-styrene copolymer impregnated with a water-swellable material, clay, acrylates and mixtures;fluid migration controlmethods for drilling for oil
11/03/2009	US7610958 Downhole actuation tool
11/03/2009	CA2466534C High torque and high capacity rotatable center core and floatable sealed body assemblies with universals ram applications and method
11/03/2009	CA2452903C Apparatus and method of drilling with casing
10/2009
10/29/2009	WO2009132300A2 Subsea pressure delivery system
10/29/2009	WO2009132109A1 Low profile internal tree cap
10/29/2009	WO2009131844A2 Subsea inflatable bridge plug inflation system
10/29/2009	WO2009131822A1 Flapper valve retention method and system
10/29/2009	WO2009094662A3 Method for treating oil and gas wells
10/29/2009	US20090266558 Metal seal for wellheads
10/29/2009	US20090266551 Low profile internal tree cap
10/29/2009	US20090266549 Method and assembly for producing oil and/or gas through a well traversing stacked oil and/or gas bearing earth layers
10/29/2009	US20090266543 placing in the wellbore a material having tricalcium aluminate and tetracalcium aluminoferrite, a gelation inhibiton retarder comprising a alkylbenzene sulfonic acid; a methallyl sulfonic acid monomer; a copolymerizable nonionic monomer; an olefinic unsaturated carboxylic acid; a set modifer; setting
10/29/2009	US20090266533 System for determining sealing in a wellbore
10/29/2009	CA2722521A1 Low profile internal tree cap
10/28/2009	EP2112324A1 Ring member for swellable apparatus, assembly and method
10/28/2009	CN101566054A Primary gravel packing tool for heat recovery
10/28/2009	CN101566053A System and method to facilitate treatment and production in a wellbore
10/27/2009	US7608566 Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use
10/27/2009	US7607487 Packers and methods of use
10/27/2009	US7607484 For subterranean formations
10/27/2009	US7607483 well bores; subterranean formations
10/27/2009	US7607482 such as butadiene-styrene block copolymers; hydraulic cements; subterranean formations
10/27/2009	US7607481 Method and apparatus for dropping a pump down plug or ball
10/27/2009	CA2588324C Retrievable frac mandrel and well control stack to facilitate well completion, re-completion or workover and method of use
10/27/2009	CA2578445C Active/passive seal rotating control head
10/27/2009	CA2577897C Hydraulic set permanent packer with isolation of hydraulic actuator and built in redundancy
10/27/2009	CA2552575C Settable fluids comprising particle-size distribution-adjusting agents and methods of use
10/27/2009	CA2549515C Zeolite-containing settable spotting fluids
10/27/2009	CA2527736C Lightweight cement compositions and methods of cementing in subterranean formations
10/27/2009	CA2518837C Cementitious compositions containing interground cement clinker and zeolite
10/27/2009	CA2347348C Methods of cementing subterranean zones
10/25/2009	CA2664282A1 Metal seal for wellheads
10/22/2009	WO2009129307A2 Multi-section tree completion system
10/22/2009	WO2009129289A2 Formation treatment evaluation
10/22/2009	WO2009129240A2 Selective zonal testing using a coiled tubing deployed submersible pump
10/22/2009	WO2009129061A1 Multiple ball launch assemblies and methods of launching multiple balls into a wellbore
10/22/2009	WO2009129059A2 Zero-relaxation packer setting lock system
10/22/2009	WO2009128999A1 Distributed databases for a well control drilling system
10/22/2009	WO2009128808A1 Reinforced stripper rubber body and method of making same
10/22/2009	WO2009106826A3 Subsea test apparatus, assembly and method
10/22/2009	WO2008077499A8 Method to cure lost circulation
10/22/2009	US20090260835 System and Method for Controlling Placement and Flow at Multiple Gravel Pack Zones in a Wellbore
10/22/2009	US20090260834 Intervention Rod
10/22/2009	US20090260833 Method and Apparatus to Provide Electrical Connection in a Wellhead for a Downhole Electrical Device
10/22/2009	US20090260832 Non-Orientated Tubing Hanger With Full Bore Tree Head
10/22/2009	US20090260831 High pressure sleeve for dual bore hp riser
10/22/2009	US20090260829 Subsea tree safety control system
10/22/2009	US20090260820 Block copolymers for recovering hydrocarbon fluids from a subterranean reservoir
10/22/2009	US20090260819 Compositions and methods for diverting injected fluids to achieve improved hydrocarbon fluid recovery
10/22/2009	US20090260818 Microwave-Based Downhole Activation Method For Wellbore Consolidation Applications

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