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)
11/2010
11/10/2010CN101881143A Drillable ball injection sliding sleeve suitable for horizontal well
11/10/2010CN101881142A Self-sealing setting ball seat
11/09/2010US7828068 System and method for thermal change compensation in an annular isolator
11/09/2010US7828067 Inflow control device
11/09/2010US7828054 Packer cable sealing system
11/09/2010CA2625753C Method of isolating open perforations in horizontal wellbores using an ultra lightweight proppant
11/09/2010CA2615757C Reinforced open-hole zonal isolation packer
11/09/2010CA2614403C System and method for actuating wellbore tools
11/09/2010CA2430793C Junction isolation apparatus and methods for use in multilateral well treatment operations
11/04/2010WO2010127240A1 Wellbore isolation tool using sealing element having shape memory polymer
11/04/2010WO2010126777A1 System and method for subsea control and monitoring
11/04/2010WO2010126715A1 Downhole dissolvable plug
11/04/2010WO2010125327A1 Method of selecting a wellbore cement having desirable characteristics
11/04/2010WO2010124371A1 Selective fracturing tool
11/04/2010WO2010102076A3 Wellhead conversion system and method
11/04/2010US20100276162 Metal Annulus Seal
11/04/2010US20100276161 Dual packer for a horizontal well
11/04/2010US20100276160 Systems and Methods For Regulating Flow In A Wellbore
11/04/2010US20100276159 Non-Damaging Slips and Drillable Bridge Plug
11/04/2010US20100276156 Wellhead System Having a Tubular Hanger Securable to Wellhead and Method of Operation
11/04/2010US20100276153 Remotely Operated Drill Pipe Valve
11/04/2010US20100276143 Method and device for cleaning and sealing a well
11/04/2010US20100276137 Swellable Downhole Apparatus and Support Assembly
11/04/2010DE202010009507U1 Vorrichtung zum Abdichten eines havarierten Austrittsstutzens (II) Apparatus for sealing a damaged discharge outlet (II)
11/04/2010CA2856678A1 Wellbore isolation tool using sealing element having shape memory polymer
11/04/2010CA2784569A1 Selective fracturing tool
11/04/2010CA2759401A1 Wellbore isolation tool using sealing element having shape memory polymer
11/04/2010CA2731161A1 Selective fracturing tool
11/03/2010EP2246522A2 Improvements to Swellable Apparatus
11/03/2010EP2246521A2 Wellsite Replacement System and Method for Using Same
11/03/2010EP2245263A1 System for pulse-injecting fluid into a borehole
11/03/2010EP2245262A1 A device in a combined wellhead/pipe string
11/03/2010EP2245261A1 A method and an apparatus for controlling a well barrier
11/03/2010EP2245260A1 Device and method for isolating a section of a wellbore
11/03/2010EP1740795B1 Multizone stimulation using wax balls
11/03/2010CN201622177U Pressure testing device of blowout preventer
11/03/2010CN201620839U Pressurized operation production string for natural gas well
11/03/2010CN201620826U Bottom-water reservoir oil-water zoned string
11/03/2010CN201620820U Novel dual-slip packer
11/03/2010CN201620819U Projection prevention and protection device of packer rubber cylinder
11/03/2010CN201620818U Packer for non main oil layer or aqueous layer of oil well or water well
11/03/2010CN201620817U Annular hydrostatic packer
11/03/2010CN201620816U Deep well fracture acidizing packer
11/03/2010CN201620815U Hierarchical deblocking device of oil well packer
11/03/2010CN201620814U Constant-flow adjustable multifunctional stopper
11/03/2010CN201620813U Steady flow adjustable blanking plug
11/03/2010CN201620812U Novel anchoring insertion seal
11/03/2010CN201620811U Hydraulic swab line cutting blowout preventer
11/03/2010CN201620810U Pressure tester of wellhead blowout hookup
11/03/2010CN201620809U Blowout prevention box of wearable packing
11/03/2010CN201620808U Oil pipeline decompression blowout preventer
11/03/2010CN201620807U Reusable blowout preventer pressure test seal ring
11/03/2010CN201620806U Blowout preventer pressure-testing sealing ring for reducing blind plate specification
11/03/2010CN201620805U Energy-saving packing
11/03/2010CN201620804U Lubricated oil pumping wellhead sealer
11/03/2010CN201620803U Double-ball-joint deflection-adjusting packing oiling wellhead stopper
11/03/2010CN201620802U Oil production wellhead leak sealing locking device
11/03/2010CN201620801U Blowout prevention leakage-stopping device of large four-way joint of oil production tree
11/03/2010CN201620800U Wellhead sealing device
11/03/2010CN201620799U Oil pipe blowout and burglar preventer
11/03/2010CN201620798U Diameter-variable seal assembly
11/03/2010CN201620797U Quick blowout control tool
11/03/2010CN201620790U One-way spider hydraulic tubing anchor
11/03/2010CN101876238A Anti-spraying connector for long-distance horizontal drilling
11/02/2010US7825074 Hydrolytically and hydrothermally stable consolidation or change in the wetting behavior of geological formations
11/02/2010US7823689 Closed-loop downhole resonant source
11/02/2010US7823660 Apparatus and methods for drilling a wellbore using casing
11/02/2010US7823649 System and method for plugging a side pocket mandrel using a swelling plug
11/02/2010US7823644 In-situ method of producing oil shale, on-shore and off-shore
11/02/2010US7823642 Pumping into a well bore a water in oil emusion having insoluble pozzolan silica particles in the water and calcium hydroxide in the oil to react to form calcium silicate cement particleswhich fill the pores of the formation; increasing permeability of the formation; antifouling agents; fluid flow
11/02/2010US7823641 Collecting contaminated water having > 0.15% salts of chlorides, sulfates, carbonates of sodium, potassium, calcium, magnesium; separate into a first solution of increased sodium chloride and a second of decreased sodium chloride; using the first saturated solution for sealing oil/gas well casings
11/02/2010US7823640 Wellhead flowline protection and testing system with ESP speed controller and emergency isolation valve
11/02/2010US7823636 Packer
11/02/2010US7823634 Wellhead isolation sleeve assembly
11/02/2010CA2575477C Method of forming a sealing element for a blow out preventer
11/01/2010CA2701489A1 Improvements to swellable apparatus
10/2010
10/28/2010WO2010122485A2 Hanger floating ring and seal assembly system and method
10/28/2010WO2010089558A3 Apparatus and method for treating zones in a wellbore
10/28/2010US20100270746 Wellsite Replacement System and Method for Using Same
10/28/2010US20100270032 System, method and apparatus for thermal wellhead having high power cable for in-situ upgrading processing
10/28/2010US20100270031 Downhole dissolvable plug
10/28/2010US20100270024 Method and apparatus for the continuous treatment of a water well
10/28/2010US20100270018 Fishing tool
10/28/2010US20100270016 Compositions and Methods for Servicing Subterranean Wells
10/28/2010DE202010010994U1 Tauchtunnel-Ölsperren-System Diving Tunnel oil boom system
10/27/2010EP2243924A1 Methods and Associated Apparatus for Downhole Data Retrieval, Monitoring and Tool Actuation
10/27/2010EP2242897A1 Downhole seal
10/27/2010CN201614911U 方便装卸盘根防喷盒 BOP easy loading and unloading packing boxes
10/27/2010CN201614910U 集成式井口流程装置 Integrated wellhead process equipment
10/27/2010CN201614909U 双调偏盘根盒 Two-tone partial packing boxes
10/27/2010CN201614908U 一种万向纠偏节能采油井口装置 One kind of universal corrective saving wellhead equipment
10/27/2010CN201614907U 油管防喷防盗器 Tubing BOP alarm
10/27/2010CN201614905U 防洗井污染振动采油装置 Anti-vibration oil pollution flushing device
10/27/2010CN201614903U 采油管柱用防油层污染单流封隔油管锚 Anti-oil pollution in the production string with single-stream tubing packer anchor
10/27/2010CN101871334A Blocking technological method of drillable oil layer
10/27/2010CN101871333A Hydraulic liner releaser and release method for oil and gas wells
10/27/2010CN101871331A Steel wire deliver packer, deliver salvaging tool and working method
10/27/2010CN101196115B Construction method for high pressure underground gas storing well
10/27/2010CA2701410A1 Wellsite replacement system and method for using same
10/26/2010US7819204 Subsea drilling
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