Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 33 - Sealing or packing boreholes or wells
Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
08/2010
08/26/2010DE202010005620U1 Vorrichtung zum Verschließen einer rohrförmigen Leitung Device for closing a tubular conduit
08/26/2010CA2751473A1 Swellable material activation and monitoring in a subterranean well
08/26/2010CA2658664A1 Stabilizing structure foe wellhead equipment
08/25/2010EP2221450A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
08/25/2010EP2221449A2 A subsea well control system
08/25/2010EP2221447A2 Slip segments for downhole tool
08/25/2010EP2220337A2 Logging tool deployment systems and methods with pressure compensation
08/25/2010EP2220335A2 Riser system comprising pressure control means
08/25/2010CN201560766U Shield rear double-liquid grouting system for shield machine
08/25/2010CN201560739U Device for preventing air leakage through fluid medium
08/25/2010CN201560738U Blowout prevention device by falling polished rod in well
08/25/2010CN201560737U Hydraulic and manual dual-purpose ram preventer
08/25/2010CN201560736U Well opening sealing and fixing device of hydraulic pressure balancing workover rig
08/25/2010CN201560733U Explosive loop cable cutter for oil and gas well
08/25/2010CN201560732U Wellhead sealing packing extruding and pulling-out device for pumping unit
08/25/2010CN101812981A Mechanical underground all-in-one blowout preventer
08/24/2010US7779928 Non-metallic mandrel and element system
08/24/2010US7779927 Non-metallic mandrel and element system
08/24/2010US7779926 Wellbore plug adapter kit and method of using thereof
08/24/2010US7779925 Seal assembly energized with floating pistons
08/24/2010US7779919 Flapper valve retention method and system
08/24/2010US7779918 Wellbore control device
08/24/2010US7779917 Subsea connection apparatus for a surface blowout preventer stack
08/24/2010US7779908 Arrangement for affixing an expandable packer in a hole
08/24/2010US7779905 Subterranean well tool including a locking seal healing system
08/24/2010US7779903 Solid rubber packer for a rotating control device
08/20/2010CA2654848A1 Modular wellpad construction system
08/19/2010WO2010092350A2 Stage cementing tool
08/19/2010WO2010092336A1 Degradable perforation balls and associated methods of use in subterranean applications
08/19/2010WO2010058224A4 Sealing method and apparatus
08/19/2010WO2009139616A3 Offshore unit and method of installing wellhead platform using the offshore unit
08/19/2010WO2009123472A3 System and method for recompletion of old wells
08/19/2010WO2009113870A3 System and method for controlling the flow of fluid in branched wells
08/19/2010WO2009074643A3 Method of creating a wellbore system
08/19/2010US20100206589 Method of creating an annular seal around a tubular element
08/19/2010US20100206588 Seal system and method
08/19/2010US20100206587 One Trip Cemented Expandable Monobore Liner System and Method
08/19/2010US20100206578 Sealing Device and Method for Sealing a Casing
08/19/2010US20100206576 Apparatus and Method for Recovering Fluids From a Well and/or Injecting Fluids Into a Well
08/19/2010US20100206575 Self-Energizing Annular Seal
08/19/2010US20100206571 Method and apparatus for setting an inflatable packer in a subhydrostatic wellbore
08/19/2010US20100206567 Gel Capsules for Solids Entrainment
08/19/2010US20100206566 One Trip Cemented Expandable Monobore Liner System and Method
08/19/2010US20100206550 Slip segments for downhole tool
08/19/2010US20100206547 Apparatus and Method for Recovering Fluids From a Well and/or Injecting Fluids Into a Well
08/19/2010US20100206546 Apparatus and Method for Recovering Fluids From a Well and/or Injecting Fluids Into a Well
08/19/2010US20100206545 System and method to seal multiple control lines
08/19/2010US20100206064 Casing Inspection Logging Tool
08/19/2010DE202010007904U1 Apparatur zum Verschließen und Reparieren eines Rohres Apparatus for sealing and repairing a pipe
08/19/2010CA2751320A1 Stage cementing tool
08/19/2010CA2751318A1 Degradable perforation balls and associated methods of use in subterranean applications
08/18/2010EP2217790A1 Methods of integrating analysis, auto-sealing, and swellable- packer elements for a reliable annular seal
08/18/2010EP2217789A2 Tool storage assembly
08/18/2010CN201555697U High-pressure and flow control plugging experimental instrument
08/18/2010CN201554458U Digital acoustical wave density-varied comprehensive logging instrument
08/18/2010CN201554438U Steam injection dual-sealing heat insulation compensation composite device
08/18/2010CN201554436U Temporary plugging sieve tube capable of being opened
08/18/2010CN201554424U Oil casing ommunicating device
08/18/2010CN201554420U CO2 corrosion-resistant Y443 type packer
08/18/2010CN201554419U Large channel water-plugging tubular column
08/18/2010CN201554418U Water irruption-resistant boring device and drilling machine therewith
08/18/2010CN201554417U Special preventer for thermal recovery wells
08/18/2010CN201554416U Novel hydraulic locking device for blowout preventer
08/18/2010CN201554415U Casing head device provided with SL-type slip
08/18/2010CN201554414U High-performance gas storage wellhead
08/18/2010CN201554413U Polish rod sealer for blowout-control and bias-adjusting of oil well
08/18/2010CN201554412U Novel wellhead cover plate for preventing object from falling
08/18/2010CN201554411U Sleeve crude oil anti-theft device
08/18/2010CN201554410U Multifunctional anti-theft oil production well head assembly
08/18/2010CN201554409U High-pressure manifold of drilling simulator
08/18/2010CN201554408U Throttle manifold of drilling simulator
08/18/2010CN201554407U Rotary orifice sealing guide device
08/18/2010CN201554371U Horizontal well completion pipe string
08/18/2010CN101806223A Method for reinforcing return channel
08/18/2010CN101806199A Sea deepwater hydraulic connector
08/18/2010CN101135237B Method for preparing down-hole gel valve and construction method thereof
08/18/2010CN100999987B Electrohydraulic compound switch controlling valve for oil water well working with pressure
08/17/2010USRE41508 Universal cementing plug
08/17/2010USRE41507 Air filter for a well
08/17/2010US7776797 a crosslinkable copolymer of butyl acrylate/tert-/ and acryamide, polyethylenimine as crosslinking agent; filler is alkyl quaternary ammonium montmorillonite; for introducing the formulation into a wellbore and penetrating a subterranean formation to reduce the loss of fluid to the formation
08/17/2010US7775286 Convertible downhole devices and method of performing downhole operations using convertible downhole devices
08/17/2010US7775278 Degradable material assisted diversion or isolation
08/17/2010CA2611101C Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation
08/17/2010CA2590546C Methods for controlling migration of particulates in a subterranean formation
08/17/2010CA2452620C Umbilical termination assembly and launching system
08/17/2010CA2426076C Coupling apparatus
08/17/2010CA2387881C Method and apparatus for operations in underground subsea oil and gas wells
08/12/2010WO2010090577A1 Arrangement for a down-the-hole hammer drill for use in soil consolidation through jet grouting
08/12/2010WO2010090529A2 Plug
08/12/2010WO2010089573A1 A downhole tubular connector
08/12/2010WO2010089572A1 A downhole tubular connector
08/12/2010WO2010089525A1 Landing string assembly
08/12/2010WO2010057003A3 Inserts with swellable elastomer seals for side pocket mandrels
08/12/2010WO2010056439A3 Method and system for setting a metal seal
08/12/2010US20100200240 Multicoupler
08/12/2010US20100200235 Degradable perforation balls and associated methods of use in subterranean applications
08/12/2010US20100200230 Method and Apparatus for Multi-Zone Stimulation
08/12/2010US20100200226 Bottom hole assembly for wellbore operations
08/12/2010US20100200222 Method and apparatus for performing cementing operations
08/12/2010US20100200217 System for supporting components within a tubular housing of a wellbore
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