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)
10/2014
10/30/2014US20140318812 Apparatus for use in a fluid conduit
10/30/2014US20140318802 Method and apparatus to control fluid flow from subsea wells
10/30/2014US20140318801 Apparatus and method for isolating and securing an underwater oil wellhead and blowout preventer
10/30/2014US20140318786 Compositions and methods for servicing subterranean wells
10/30/2014US20140318785 Wellbore Servicing Compositions and Methods of Making and Using Same
10/30/2014US20140318784 Pumice-Containing Remedial Compositions and Methods of Use
10/30/2014US20140318783 Method of Real Time Monitoring of Well Operations Using Self-Sensing Treatment Fluids
10/30/2014US20140318782 Positive Displacement Dump Bailer and Method of Operation
10/30/2014US20140318781 Completing a Well in a Reservoir
10/30/2014US20140318776 Compositions and Methods for Well Completions
10/30/2014US20140318769 Systems and Methods for Surface Detection of Wellbore Projectiles
10/30/2014US20140318764 Pumice-Containing Remedial Compositions and Methods of Use
10/30/2014US20140318762 Scale Prevention Treatment Method, System, and Apparatus for Wellbore Stimulation
10/28/2014US8870187 Shaft seal for down-hole tools
10/28/2014US8870186 Seal assembly for a casing hanger
10/28/2014US8869904 Retrievable stimulation frac (RSF) plug
10/28/2014US8869899 Method for pulling a crown plug
10/28/2014US8869895 Biodegradable set retarder for a cement composition
10/28/2014US8869894 Plugging thief zones and fractures by in-situ and in-depth crystallization for improving water sweep efficiency of sandstone and carbonate reservoirs
10/28/2014US8869887 System and method for coupling downhole tools
10/28/2014US8869883 Horizontal frac ball injector
10/28/2014US8869882 Low profile, high capacity ball injector
10/23/2014US20140311759 Annular barrier system with flow lines
10/23/2014US20140311752 Downhole plug apparatus
10/23/2014US20140311742 Compositions and Methods for Servicing Subterranean Wells
10/23/2014US20140311741 Space provision system using compression devices for the reallocation of resourced to new technology, brownfield and greenfield developments
10/23/2014US20140311737 Formation Testing
10/21/2014US8863858 System and method for managing heave pressure from a floating rig
10/21/2014US8863854 Method and apparatus for isolating tubing with a swellable seal
10/21/2014US8863853 Linearly indexing well bore tool
10/21/2014US8863846 Method and apparatus to perform subsea or surface jacking
10/21/2014US8863832 Orientable eccentric downhole assembly
10/21/2014US8863831 Free mandrel system, protected casing
10/21/2014US8863830 Pressure control device for wireline cables and method
10/21/2014US8863829 Wellhead isolation tool and wellhead assembly incorporating the same
10/21/2014US8863825 Control and supply unit
10/16/2014US20140306406 Seal sleeve and assembly including such a seal sleeve
10/16/2014US20140305661 Cable duct device in a swelling packer
10/16/2014US20140305629 Removable Packer Plug with Installation Bypass Feature
10/16/2014US20140305627 Anti-wear device for composite packers and plugs
10/14/2014US8857784 Linear clutch for blowout preventer
10/14/2014US8857526 Mechanically deployable well isolation mechanism
10/14/2014US8857525 Sealing device and method for sealing a casing
10/14/2014US8857523 Downhole multiple well
10/14/2014US8857520 Emergency disconnect system for riserless subsea well intervention system
10/14/2014US8857514 Method and systems to sever wellbore devices and elements
10/14/2014US8857509 Subterranean well tools having nonmetallic drag block sleeves
10/14/2014US8857175 Two-stage submersible actuators
10/09/2014WO2014164673A2 Fluid conduit connection system
10/09/2014WO2014164651A2 Split foldback rings with anti-hooping band
10/09/2014WO2014164447A1 Methods of designing a drilling fluid having suspendable loss circulation material
10/09/2014WO2014164359A2 Cement device release mechanism
10/09/2014WO2014164217A1 Subsea wellhead system with hydraulically set seal assemblies
10/09/2014WO2014163738A1 Foamed fracturing fluids and methods for treating hydrocarbon-bearing formations
10/09/2014WO2014162153A1 Downhole sealing apparatus and method
10/09/2014WO2014161070A1 Apparatus and method for isolating a section of a pipe riser bore in the course of riser renewal
10/09/2014US20140303049 Process for Treating an Underground Formation
10/09/2014US20140299797 Blowout Preventer and Rams
10/09/2014US20140299334 Sealing material for annular barriers
10/09/2014US20140299333 Applying wellbore lining
10/09/2014US20140299332 Packer Assembly Having Barrel Slips that Divert Axial Loading to the Wellbore
10/09/2014US20140299331 Expandable Device for Use in a Well Bore
10/09/2014US20140299320 Wave-inducing device, casing system and method for cementing a casing in a borehole
10/09/2014US20140299319 Apparatus and methods for activating a plurality of downhole devices
10/08/2014EP2785965A1 Annular barrier system with flow lines
10/08/2014EP2785964A1 Pressure integrity testing system
10/08/2014EP2785963A1 Selectively disengagable sealing system
10/08/2014EP2785962A2 Slip bowl load transfer system
10/08/2014EP2785961A2 An apparatus, module, device and method for shearing objects
10/08/2014EP2785958A2 Apparatus for use in a fluid conduit
10/07/2014US8851194 Seal with bellows style nose ring
10/07/2014US8851187 Method for mobility control in oil-bearing carbonate formations
10/07/2014US8851185 Dual metal seal system
10/07/2014US8851184 Process, device, and system to cap and seal oil and gas in a riser pipe
10/07/2014US8851183 Casing hanger lockdown slip ring
10/07/2014US8851182 Wellhead hanger shoulder
10/07/2014US8851174 Foam resin sealant for zonal isolation and methods for making and using same
10/07/2014US8851173 Set-delayed cement compositions comprising pumice and associated methods
10/07/2014US8851172 High strength, low density metal matrix composite ball sealer
10/07/2014US8851167 Mechanical liner drilling cementing system
10/07/2014US8851166 Test packer and method for use
10/07/2014US8851165 Compact cable suspended pumping system for lubricator deployment
10/07/2014US8851163 Multiple offset slim connector
10/02/2014WO2014160972A2 Big gap element sealing system
10/02/2014WO2014160634A2 Thin wall active casing hanger
10/02/2014WO2014160127A1 Well sealing technology
10/02/2014WO2014159344A2 Double compression set packer
10/02/2014WO2014158296A1 Shear valve system and methodology
10/02/2014WO2014158192A1 Accelerated swelling of oil-swellable elastomers in a well
10/02/2014WO2014158028A1 Downhole tool device and method for using the same
10/02/2014WO2014154967A1 Method for locating an electrical defect in an underwater electrical distribution modular system
10/02/2014WO2014154585A1 Method and system for surface enhancement of tubulars
10/02/2014WO2014154582A1 Method and system for surface enhancement of tubulars
10/02/2014WO2014154577A1 Coating composition and method
10/02/2014WO2014154480A1 A device for controlling and isolating a tool in the form of an expansible sleeve for isolating areas in a well
10/02/2014WO2014154464A2 Plug apparatus
10/02/2014WO2013162956A9 Methods and devices for casing and cementing a wellbore
10/02/2014US20140290946 Big gap element sealing system
09/2014
09/30/2014US8844898 Blowout preventer with ram socketing
09/30/2014US8844652 Interlocking low profile rotating control device
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