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)
09/2014
09/30/2014US8844638 Tool for removing wellhead components
09/30/2014US8844628 Self-adaptive cements
09/30/2014US8844627 Intelligent well system and method
09/30/2014US8844623 Method and system for one-trip hanger installation
09/30/2014US8844621 Hydraulic well packer
09/30/2014US8844619 Debris chamber with helical flow path for enhanced subterranean debris removal
09/30/2014US8844617 Annular blowout container (ABOC)
09/30/2014CA2847489C Cement compositions and methods utilizing nano-clay
09/30/2014CA2817733C Sealing devices having a non-elastomeric fibrous sealing material and methods of using same
09/30/2014CA2796939C Apparatus and method for sealing portions of a wellbore
09/30/2014CA2588297C Method and apparatus for stimulating production from oil and gas wells by freeze-thaw cycling
09/25/2014WO2014151918A1 Riser disconnect package for lower marine riser package, and annular-release flex-joint assemblies
09/25/2014WO2014151868A1 Cementing tool
09/25/2014WO2014150978A2 Metal patch system
09/25/2014WO2014150431A1 Bridging material for treating lost circulation
09/25/2014WO2014150398A2 Bonded segmented slips
09/25/2014WO2014149568A2 Blowout preventer with wedge ram assembly and method of using same
09/25/2014WO2014148914A2 Crushable plug
09/25/2014WO2014148913A1 Method and system for plugging a well and use of explosive charges in plugging wells
09/25/2014WO2014147406A2 Subsea hydraulic power generation
09/25/2014US20140284506 Ram shaft assembly for blowout preventer
09/25/2014US20140284063 Isolation devices having a nanolaminate of anode and cathode
09/25/2014US20140284052 Compositions and Methods for Servicing Subterranean Wells
09/25/2014US20140284047 Expandable packer
09/25/2014US20140284046 Wellbore Isolation Tool Using Sealing Element Having Shape Memory Polymer
09/24/2014EP2780539A1 Formation fracturing
09/24/2014EP2780538A1 Seal sleeve and assembly including such a seal sleeve
09/23/2014US8843328 Hydraulic control system monitoring apparatus and method
09/23/2014US8839874 Packing element backup system
09/23/2014US8839873 Isolation of zones for fracturing using removable plugs
09/23/2014US8839872 Tree plug
09/23/2014US8839870 Apparatus and methods for running liners in extended reach wells
09/23/2014US8839869 Composite reconfigurable tool
09/23/2014US8839868 Subsea control system with interchangeable mandrel
09/23/2014US8839866 Solids free sealing fluid
09/23/2014US8839862 Method of stabilising a blasthole
09/23/2014US8839855 Modular changeable fractionation plug
09/23/2014US8839851 Controlled apperture ball drop
09/23/2014US8839849 Water sensitive variable counterweight device driven by osmosis
09/23/2014CA2778242C Cement compositions comprising latex, pozzolan and/or cement kiln dust and methods of use
09/23/2014CA2645400C Tubular expansion method
09/22/2014CA2847153A1 Ram shaft assembly for blowout preventer
09/18/2014WO2014145837A2 Subsea test adaptor for calibration of subsea multi-phase flow meter during initial well clean-up and test and methods of using same
09/18/2014WO2014145611A2 Purging fluid circuits in wellbore control devices
09/18/2014WO2014144917A1 Reservoir characterization and hydraulic fracture evaluation
09/18/2014WO2014143003A1 Non-electronic air chamber pressure sensor
09/18/2014WO2014142813A1 Fiber reinforced sealing element
09/18/2014WO2014142784A1 Rotating drilling stabilizer
09/18/2014WO2014140612A2 Downhole apparatus
09/18/2014WO2014139985A1 A completion component with position detection
09/18/2014WO2014138957A1 Downhole tubing rotators and related methods
09/18/2014US20140269144 Direct Slurry Weight Sensor for Well Operation Mixing Process
09/18/2014US20140264099 Blowout preventer with wedge ram assembly and method of using same
09/18/2014US20140262352 Cable By-Pass for Spooled Cables
09/18/2014US20140262351 Split Foldback Rings with Anti-Hooping Band
09/18/2014US20140262350 Double Compression Set Packer
09/18/2014US20140262348 Method of using gelled fluids with defined specific gravity
09/18/2014US20140262344 Drillable slip
09/18/2014US20140262342 Downhole tubing rotators and related methods
09/18/2014US20140262325 Resettable Ball Seat for Hydraulically Actuating Tools
09/18/2014US20140262324 Multi-Positioning Flow Control Apparatus Using Selective Sleeves
09/18/2014US20140262314 System for detecting, containing and removing hydrocarbon leaks in a subsea environment
09/18/2014US20140262313 Riser Gas Handling System
09/18/2014US20140262311 Temporary abandonment cap
09/18/2014US20140262309 Offshore Well System with a Subsea Pressure Control System Movable with a Remotely Operated Vehicle
09/18/2014US20140262307 Riser disconnect package for lower marine riser package, and annular-release flex-joint assemblies
09/18/2014US20140262306 Subsea Test Adaptor for Calibration of Subsea Multi-Phase Flow Meter During Initial Clean-Up and Test and Methods of Using Same
09/18/2014US20140262298 Pipe Cleaning System and Method
09/18/2014US20140262278 Method and Apparatus for Extracting Frozen Volatiles from Subsurface Regolith
09/18/2014US20140262269 Method to repair leaks in a cemented annulus
09/18/2014US20140262268 Drilling and Completion Applications of Magnetorheological Fluid Barrier Pills
09/18/2014US20140262267 Well sealing technology
09/18/2014US20140262266 Cementing tool
09/18/2014US20140262236 Wellbore Servicing Tools, Systems and Methods Utilizing Near-Field Communication
09/18/2014US20140262214 Bonded Segmented Slips
09/18/2014US20140262212 Resin system for composite downhole frac plug and bridge plug tools and related methods
09/18/2014US20140262210 Molded swellable packers
09/18/2014US20140262209 Downhole sealing assembly
09/18/2014US20140262205 Annular Blowout Container (ABOC)
09/17/2014EP2778339A1 A completion component with position detection
09/17/2014EP2776658A2 Engineered methods and materials for wellbore strengthening in subterranean operations
09/17/2014EP2776657A1 Preemptive setpoint pressure offset for flow diversion in drilling operations
09/16/2014US8837552 Sealing device
09/16/2014US8833488 Automatic standpipe pressure control in drilling
09/16/2014US8833473 Sealing assembly
09/16/2014US8833465 Subsea differential-area accumulator
09/16/2014US8833464 Method and system for containing uncontrolled flow of reservoir fluids into the environment
09/16/2014US8833461 Expandable solid load ring for casing hanger
09/16/2014US8833459 System and method for channeling fluids underwater to the surface
09/16/2014US8833455 Method and apparatus for well treatment
09/16/2014US8833452 Chemical diversion technique
09/16/2014US8833443 Retrievable swellable packer
09/16/2014US8833393 Cap valve
09/16/2014CA2847401C Cement compositions and methods utilizing nano-clay
09/16/2014CA2751473C Swellable material activation and monitoring in a subterranean well
09/16/2014CA2668505C Method of plugging fractured formation
09/15/2014CA2846781A1 Downhole tools, system and method for using
09/15/2014CA2846139A1 Anti-alteration wellhead vault
09/12/2014WO2014138650A2 Extended length packer with timed setting
09/12/2014WO2014138444A2 Consumable downhole packer or plug
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