Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
08/2013
08/01/2013US20130192828 Apparatus and method for sealing a portion of a component disposed in a wellbore
08/01/2013US20130192827 Pressure actuation enabling method
08/01/2013DE102010050494B4 Verschluss für ein Bohrloch A closure for a bore hole
08/01/2013CA2861820A1 Tubular anchoring system and a seat for use in the same
08/01/2013CA2861818A1 Tubular anchoring system and method
07/2013
07/31/2013EP2621113A1 Communicaton in a subsea well control system
07/31/2013EP2620585A1 Communicaton in a subsea well control system
07/31/2013EP2619496A1 Tubular joint
07/31/2013EP2619402A2 Remotely operated isolation valve
07/31/2013CN203097831U Self-carrying type well repairing engineering van device with pressure of environment-friendly blowout preventer
07/31/2013CN203097821U Anti-blocking pressure leveling switch of water injection tubular column
07/31/2013CN203097820U Releasing mechanism and inner blowout preventer including same
07/31/2013CN203097816U Double-sealed plugging bridge plug device
07/31/2013CN203097815U Retrievable setting and squeezing integrated bridge plug
07/31/2013CN203097814U Fixed type air bag hole packer
07/31/2013CN203097813U Flow restricting self-filling float collar for manifold cycles
07/31/2013CN203097812U Underground suspended packer
07/31/2013CN203097811U Water-stop plug capable of rapidly plugging leaking water of underground hydrological boreholes
07/31/2013CN203097810U Bridge-plug-free halfway well cementing device of oil field well drilling
07/31/2013CN203097809U Novel well washing protecting device
07/31/2013CN203097808U Leakage stopping layer structure of oil gas well
07/31/2013CN203097807U Conical rubber core of universal blowout preventer
07/31/2013CN203097806U Spherical rubber core of universal blowout preventer
07/31/2013CN203097805U Variable diameter flashboard rubber core applied to ordinary flashboard steel core
07/31/2013CN203097804U Rubber core of steel-frame-free wear-resistant rotary blowout preventer
07/31/2013CN203097803U High sulfur resistant high pressure metal sealing casing pipe head
07/31/2013CN203097802U Well-mouth easily-circulating protection house used in oil and gas field development
07/31/2013CN203097801U Combined type sealing device for wellhead under pressure
07/31/2013CN203097800U Low-pressure light rotary control head without external cooling lubrication pump station
07/31/2013CN203097799U Inflatable oil-scraping self-sealing preventer
07/31/2013CN203097798U Pumping well polish rod sealer
07/31/2013CN203097797U Oil field down-hole tool test well-head equipment
07/31/2013CN203097796U Plug preventing high temperature caused thread gluing
07/31/2013CN203097795U Three-layer concentric water injection wellhead
07/31/2013CN203097794U Intelligent hydraulic type wellhead sealer
07/31/2013CN203097773U Carbon dioxide flooding sleeve protection tool
07/31/2013CN203097772U Ultra-deep well mandrel type sleeve hanging device
07/31/2013CN103228866A Blowout preventer blade assembly and method of using same
07/31/2013CN103228865A Marine subsea assemblies
07/31/2013CN103225492A Long-distance belt pressure hole sealing method of gas extracting drill hole
07/31/2013CN103225491A Technology for restraining gas cross flow via condensate gas reservoir salt precipitation
07/31/2013CN103225490A Small-diameter dual-seal layered steam injection packer
07/31/2013CN103225489A Self-expansion packer
07/31/2013CN103225488A Blowout-preventing safety wellhead device
07/31/2013CN103225487A Orifice anti-splashing device
07/31/2013CN103225486A Dual metal seal system
07/31/2013CN103224772A Cement slurry and preparation method and application thereof
07/31/2013CN102504779B Paraffin rosin water plugging agent for water plugging of thick oil huff-puff well and water plugging construction method
07/31/2013CN102268971B Cable-through type thermal recovery wellhead device for electric submersible pump
07/31/2013CN102071903B Method for calculating dosage of horizontal well chemical water shutoff agent
07/31/2013CN102041974B Bypass short-circuit structure of abandoned deep water well cutting device and cementing plug method thereof
07/31/2013CN102022092B Open hole packer and tapping tool used together with same
07/31/2013CN101864925B Drilling-free sizing collar and process
07/31/2013CN101845943B Universal packer for through cable
07/30/2013US8496052 Bottom set down hole tool
07/30/2013US8496051 Stage tool apparatus and method
07/30/2013CA2583798C Blowout preventer with seal seat
07/25/2013WO2013109654A1 System, method and apparatus for manufacturing stable cement slurry for downhole injection
07/25/2013WO2013109584A1 Completions fluid loss control system
07/25/2013WO2013109392A1 Packing element with full mechanical circumferential support
07/25/2013WO2013109287A1 Subterranean well interventionless flow restrictor bypass system
07/25/2013WO2013109248A1 Methods of isolating annular areas formed by multiple casing strings in a well
07/25/2013WO2013107789A1 Sealing fluid for setting a packer
07/25/2013WO2012125254A3 Pressure regulator with improved deadband
07/25/2013WO2009070656A3 Provision of viscous compositions below ground
07/25/2013US20130187338 Multifunctional key design for metal seal in subsea application
07/25/2013US20130186650 Treatment plug and method of anchoring and sealing the same to a structure
07/25/2013US20130186646 Treatment plug setting tool, setting system and method of avoiding setting a treatment plug while running
07/25/2013US20130186621 Dirty fluid valve with chevron seal
07/25/2013US20130186618 Method and device for zonal isolation and management of recovery of horizontal well drained reserves
07/25/2013US20130186615 Annular barrier
07/25/2013DE102012000983A1 Vorrichtung für ein Drainage-Bohr-System Device for a drainage drilling system
07/25/2013DE102010025717B4 Verschließen und Abdichten eines Unterwasser-Bohrlochs Closing and sealing of the subsea borehole
07/25/2013CA2861344A1 Completions fluid loss control system
07/24/2013EP2616636A1 Pump down liner expansion method
07/24/2013EP2616634A1 Drill hole plugs
07/24/2013EP2616633A2 Blowout preventer ram assembly and method of using same
07/24/2013EP2616632A2 Casing friendly, shearable hardbands and systems and methods for shearing same
07/24/2013EP2616631A2 Self-releasing plug for use in a subterranean well
07/24/2013EP2616625A2 Downhole tools
07/24/2013CN203081398U Hydraulic setting-seal-type small size oil pipe bridge plug
07/24/2013CN203081397U Grouting bag type hole packer
07/24/2013CN203081396U Portable hole sealing device
07/24/2013CN203081395U Grouting device for pouring fillers into holes
07/24/2013CN203081394U Float collar and float shoe for horizontal well
07/24/2013CN203081393U Telescopic separated mining packer at oil field
07/24/2013CN203081392U Self-sealing packer
07/24/2013CN203081391U Downhole small-diameter hydraulic tubing plug
07/24/2013CN203081390U Horizontal well logging suspension unlocking apparatus
07/24/2013CN203081389U Novel blowout-preventing mud flow guiding device of drilling tool
07/24/2013CN203081364U Continuous circulation short joint suitable for air drilling
07/24/2013CN203081330U High-load expansion hanger back-off connector
07/24/2013CN103221631A Drill hole plug
07/24/2013CN103216211A Method for carrying out profile control on fracture-type oil reservoir
07/24/2013CN103216210A Top packer used for preventing sand
07/24/2013CN103216209A Pipe interior packer for detecting sealing property of oil sleeve
07/24/2013CN103216208A Multifunctional key design for metal seal in subsea applications
07/24/2013CN103216207A Blowout-prevention deviation-adjusting multi-sealing sucker rod sealer
07/24/2013CN103216206A Deviation-prevention biconical sealing rubber block
07/24/2013CN103216205A Adjustable orifice sealing device for geological drilling
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