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)
03/2014
03/06/2014US20140060805 Fluid Seal with Swellable Material Packing
03/06/2014DE112012002553T5 Anlage zum Ausbeuten von Naturfluidlagerstätten, wie Erdöl, Erdgas oder andere geförderte Fluide auf Kohlenwasserstoffbasis Annex to the yields of natural fluid reservoirs, such as oil, natural gas or other hydrocarbon produced fluids on the basis
03/06/2014CA2824103A1 Standoff device for downhole tools using slip elements
03/05/2014EP2703599A2 Fluid seal with swellable material packing
03/05/2014EP2702248A2 Pump drain arrangements for packer systems and methods for sampling underground formations using same
03/05/2014EP2702243A2 Expandable filtering system for single packer systems
03/05/2014EP2702233A2 Controlled production and injection
03/05/2014EP2702232A2 Contoured ram bore on type u blowout preventer
03/05/2014EP2702231A2 Systems and methods for making subsea fluid conduit connections
03/05/2014EP2702230A2 Cycling device
03/05/2014CN203463067U Path solvable clamping type positioning device
03/05/2014CN203463066U Coal-mine gas pressure hole sealing device
03/05/2014CN203463065U Novel polish rod sealer
03/05/2014CN203463064U Wellhead flow guide pipe compensation device
03/05/2014CN203463063U Telescopic wellhead stand pipe sealing device
03/05/2014CN203463062U Hydraulic universal sealer
03/05/2014CN203463061U Oil collector for pumping unit packing box
03/05/2014CN203463060U Novel seaborne antitheft oil nozzle
03/05/2014CN203463059U Well head device of electric submersible pump
03/05/2014CN203463030U Three-hole tube specially used for plugging device
03/05/2014CN103620159A Subsea electric actuators and latches for them
03/05/2014CN103620158A Permeable material compacting method and apparatus
03/05/2014CN103620157A Through tubing expandable frac sleeve with removable barrier
03/05/2014CN103620156A An annular barrier with external seal
03/05/2014CN103615212A Two-blocking one-grouting grouting and hole sealing device
03/05/2014CN103615006A Plugging tool for high-pressure jet grouting method pile bottom slag discharging construction
03/04/2014US8664165 Fluid loss pills
03/04/2014US8662174 Radiation-induced thickening and radiation-induced triggering for set-on-command sealant compositions and methods of use
03/04/2014US8662173 Plugging thief zones and fractures by in-situ and in-depth crystallization for improving water sweep efficiency of sandstone and carbonate reservoirs
03/04/2014US8662162 Segmented collapsible ball seat allowing ball recovery
03/04/2014US8662161 Expandable packer with expansion induced axially movable support feature
03/04/2014US8662159 Apparatus for isolating and completing multi-zone frac packs
03/04/2014CA2822998A1 Fluid seal with swellable material packing
02/2014
02/27/2014WO2014031817A1 Apparatus and method for drillng a wellbore, setting a liner and cementing the wellbore during a single trip
02/27/2014WO2014028973A1 A packing plug
02/27/2014WO2013081811A3 Slip bowl load transfer system
02/27/2014WO2013079965A3 Apparatus for use in a fluid conduit
02/27/2014US20140054861 Metal encapsulated composite seal
02/27/2014US20140054049 Expandable packer
02/27/2014US20140054048 System and method for enhanced sealing of well tubulars
02/27/2014US20140054044 Orienting a subsea tubing hanger assembly
02/27/2014US20140054039 Materials and methods to prevent fluid loss in subterranean formations
02/27/2014US20140054038 Methods for Completing Subterranean Wells
02/27/2014US20140054037 Methods for Completing Subterranean Wells
02/27/2014US20140054036 Apparatus and Method for Drilling a Wellbore, Setting a Liner and Cementing the Wellbore During a Single Trip
02/27/2014US20140054031 Method and system for well and reservoir management in open hole completions as well as method and system for producing crude oil
02/26/2014EP2699761A2 Ball valve safety plug
02/26/2014EP2699760A2 Tubular actuating system and method
02/26/2014CN203453168U Blowout preventer control device with pneumatic pressure testing function
02/26/2014CN203452726U Well cementation rubber plug for long-section horizontal well
02/26/2014CN203452725U Valve element structure applied to casing float shoe
02/26/2014CN203452724U Casing float shoe
02/26/2014CN203452723U Double-tube double-slip high-pressure water injection packer
02/26/2014CN203452722U ASP flooding double-layered tube packer
02/26/2014CN203452721U Self-sealing hole packer for gas extraction bores
02/26/2014CN203452720U Polished rod breaking blowout preventer for multifunctional pumping well
02/26/2014CN203452719U Compact coiled-tubing suspension sealer
02/26/2014CN203452718U Leakage alarming device of oil well packing box and oil well packing box
02/26/2014CN203452717U Packing box
02/26/2014CN203452716U Cooling and lubricating device for rotating control head
02/26/2014CN203452715U Combined type impact-resistant oil nozzle sleeve plug
02/26/2014CN203452714U Simple packing box gland
02/26/2014CN203452713U Eccentricity adjusting well mouth
02/26/2014CN203452712U Eccentric polished rod sealing device
02/26/2014CN203452711U Novel environment-friendly polish rod sealer
02/26/2014CN203452710U Wellhead penetration and changing leveling protection safety device
02/26/2014CN203452703U Closure for a drill hole
02/26/2014CN203452663U Production tubular column capable of being dismounted under pressure
02/26/2014CN103603631A Pulling fracture type automatic grouting valve for supporting rod
02/26/2014CN103603628A Injecting-plugging method during under-well work
02/26/2014CN103603627A Shear pin type automatic grout valve
02/26/2014CN103602324A Isolation gel base liquid, isolation gel liquid and isolation gel, preparation method and applications of
02/26/2014CN102364039B Dynamic sealing device for rotary blowout preventer
02/26/2014CN102305046B Controlling the pressure within an annular volume of a wellbore
02/26/2014CN101595274B System and method for facilitating downhole operations
02/25/2014US8657253 Position data based method, interface and device for blowout preventer
02/25/2014US8657009 Method and apparatus for wellbore fluid treatment
02/25/2014US8657005 Systems and methods for hydraulic barrier formation to improve sweep efficiency in subterranean oil reservoirs
02/25/2014US8657004 Sliding stage cementing tool
02/25/2014US8657003 Methods of providing fluid loss control or diversion
02/25/2014CA2771626C Methods of activating compositions in subterranean zones
02/20/2014WO2014028149A1 Swellable article
02/20/2014WO2014028148A1 Setting tool, anchoring and sealing device and system
02/20/2014WO2014027106A2 Power supply and voltage multiplication for submerged subsea systems based on cathodic protection system
02/20/2014WO2014027105A1 Fluid injection system and method
02/20/2014WO2013119286A3 Lip seal
02/20/2014US20140051606 Solubilized Polymer Concentrates, Methods of Preparation Thereof, and Well Drilling and Servicing Fluids Containing the Same
02/20/2014US20140048731 Blow out preventer
02/20/2014US20140048278 Subsea well assembly and associated method
02/20/2014US20140048277 Subsea production system with downhole equipment suspension system
02/20/2014US20140048275 Modular, Distributed, ROV Retrievable Subsea Control System, Associated Deepwater Subsea Blowout Preventer Stack Configuration, and Methods of Use
02/20/2014US20140048274 Modular, Distributed, ROV Retrievable Subsea Control System, Associated Deepwater Subsea Blowout Preventer Stack Configuration, and Methods of Use
02/20/2014US20140048267 Two-Part Set-Delayed Cement Compositions
02/20/2014US20140048266 Methods for Determining Reactive Index for Cement Kiln Dust, Associated Compositions and Methods of Use
02/20/2014US20140048265 Cohesive settable cement system
02/20/2014US20140048264 Geopolymer Cement Compositions and Methods of Use
02/20/2014US20140048257 Downhole Fluid-Gas Directional Compressor
02/20/2014US20140048252 Removable Fracturing Plug of Particulate Material Housed in a Sheath Set by Relative End Movement of the Sheath
02/20/2014US20140048251 Removable Fracturing Plug of Particulate Material Housed in a Sheath Set by Expansion of a Passage through the Sheath
02/20/2014US20140048245 Replaceable Wear Plates for Use with Blind Shear Rams
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