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 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
Patents for E21B 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground (5,744)
12/2014
12/16/2014US8910556 Bottom hole firing head and method
12/11/2014US20140360724 Wireline Hydraulic Driven Mill Bottom Hole Assemblies and Methods of Using Same
12/11/2014US20140360723 Protective sheath through a casing window
12/10/2014CN204002667U 一种石油修井用导向锥 A petroleum workover the guide cone
12/10/2014CN204002666U 一种射孔用井口紧急关断器 Perforating with wellhead emergency shutdown device
12/10/2014CN204002665U 一种无线随钻测斜仪扶正胶套的扶正翼切割工具 A wireless MWD inclinometer righting righting wing cutting tool pouches
12/10/2014CN102937009B 一种顶部承压式膨胀管施工作业方法 A top-pressurized pipe expansion method for construction work
12/10/2014CN102747975B 一种深水涡轮弃井切割装置 Abandoned wells deep water turbine cutting device
12/09/2014US8905147 Methods of removing a wellbore isolation device using galvanic corrosion
12/04/2014US20140353479 Injection For Sampling Heavy Oil
12/04/2014US20140352972 Systems and methods for pulling subsea structures
12/04/2014US20140352964 Systems and Methods for Removing a Section of Casing
12/02/2014US8899330 Devices and methods for severing a tube-wire
11/2014
11/27/2014US20140346157 Method to control the environment in a laser path
11/27/2014US20140345872 Laser assisted system for controlling deep water drilling emergency situations
11/27/2014US20140345702 Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms
11/25/2014US8893791 Multi-position mechanical spear for multiple tension cuts with releasable locking feature
11/20/2014US20140338923 Electronic rupture discs for interventionless barrier plug
11/20/2014US20140338910 Drill collar severing tool
11/18/2014USRE45244 Expandable tubing and method
11/18/2014US8887798 Hydraulic stabilizer for use with a downhole casing cutter
11/13/2014US20140332233 Method of removing a dissolvable wellbore isolation device
11/13/2014US20140332221 Subsea Well Safing System
11/13/2014US20140332200 Wellbore Casing Cutting Tool
11/11/2014US8882393 Tool for longitudinally subdividing sewer pipes
11/11/2014US8881843 Managed pressure and/or temperature drilling system and method
11/11/2014US8881826 Installation for the extraction of fluid from an expanse of water, and associated method
11/11/2014US8881819 Tubular cutting with a sealed annular space and fluid flow for cuttings removal
11/11/2014US8881818 Tubular cutting with debris filtration
11/11/2014US8881817 Cutting tool
11/11/2014US8881816 Shock load mitigation in a downhole perforation tool assembly
11/06/2014US20140326470 Well Completion Arrangement and a Method for Preparing a Well for Abandonment
11/06/2014US20140326456 Systems and Methods for Managing Milling Debris
11/04/2014US8875787 Electromechanical assembly for connecting a series of guns used in the perforation of wells
11/04/2014US8875784 Economical construction of well screens
10/2014
10/30/2014US20140318798 System and method for subsea structure obstruction remediation using an exothermic chemical reaction
10/30/2014US20140318787 One Trip Perforation and Flow Control Method
10/30/2014US20140318780 Degradable component system and methodology
10/30/2014US20140318766 Firing Head Actuator for a Well Perforating System and Method for Use of Same
10/28/2014US8869914 High power laser workover and completion tools and systems
10/28/2014US8869899 Method for pulling a crown plug
10/28/2014US8869896 Multi-position mechanical spear for multiple tension cuts while removing cuttings
10/23/2014US20140311752 Downhole plug apparatus
10/23/2014US20140311729 Hydromechanical slot perforator (variants)
10/21/2014US8863850 Apparatus and method for stimulating subterranean formations
10/21/2014US8863822 Control line running system
10/14/2014US8857514 Method and systems to sever wellbore devices and elements
10/09/2014WO2014164223A2 Subsea well intervention systems and methods
10/09/2014US20140299324 Tubular system for jet drilling
10/09/2014US20140299323 Downhole tool
10/07/2014US8851191 Selectively fired high pressure high temperature back-off tool
10/02/2014WO2014159103A1 A system for detecting, containing and removing hydrocarbon leaks in a subsea environment
10/02/2014US20140291022 Amorphous shaped charge component and manufacture
10/02/2014US20140290949 Apparatus, Module, Device and Method for Shearing Objects
09/2014
09/30/2014US8844613 Shear blade and method of attachment to shear rams
09/30/2014CA2766051C Sealed multilateral junction system
09/25/2014WO2014153105A2 Modulated formation perforating apparatus & method for fluidic jetting, drilling services or other formation penetration requirements
09/24/2014EP2780537A1 Apparatus and method for cutting and pulling of casing
09/23/2014US8839864 Casing cutter
09/23/2014US8839863 High pressure/deep water perforating system
09/18/2014US20140262327 Ferrous disintegrable powder compact, method of making and article of same
09/18/2014US20140262271 Shock attenuator for gun system
09/18/2014US20140262270 Modulated formation perforating apparatus and method for fluidic jetting, drilling services or other formation penetration requirements
09/18/2014US20140262263 Hydraulic fracturing with proppant pulsing through clustered abrasive perforations
09/16/2014US8833464 Method and system for containing uncontrolled flow of reservoir fluids into the environment
09/16/2014US8833451 Window joint for lateral wellbore construction and method for opening same
09/16/2014US8833443 Retrievable swellable packer
09/16/2014CA2816173C Compliant cone system
09/16/2014CA2621350C Pipes, systems, and methods for transporting fluids
09/12/2014WO2014138117A1 Downhole tool for removing a casing portion
09/12/2014WO2014137914A1 Liner top cleaning method prior to bha removal in drilling with advancing liner systems
09/12/2014WO2014137335A1 Bonded slickline and methods of use
09/12/2014WO2014137315A1 Window milling systems
09/11/2014US20140251617 Method and apparatus for removing unexpanded shoe
09/11/2014US20140251616 Downhole tool for removing a casing portion
09/11/2014US20140251615 Window milling systems
09/10/2014EP2773841A1 Methods of severing an object from the outside using heat evolved from an exothermic reaction
09/09/2014US8826988 Latch position indicator system and method
09/09/2014US8826973 Method and system for advancement of a borehole using a high power laser
09/04/2014WO2014022727A3 Torsional shearing of oilfield tubulars
09/03/2014EP2771537A1 A downhole tool
09/02/2014USRE45099 Expandable tubing and method
09/02/2014US8821137 Modular down hole gauge for use in retrievable electric submersible pump systems with wet connect
09/02/2014US8820434 Apparatus for advancing a wellbore using high power laser energy
09/02/2014US8820396 Ultra high pressure hydraulic sublevel pipe cutter
08/2014
08/28/2014US20140241822 Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and or tubing for overturned wells or platforms
08/26/2014US8813848 Isolation tool actuated by gas generation
08/21/2014WO2014126478A1 Method for downhole cutting of at least one line disposed outside and along a pipe string in a well, and without simultaneously severing the pipe string
08/21/2014US20140231087 Apparatus and Method for Cutting and Pulling of a Casing
08/21/2014US20140231070 Inhibiting effects of sloughing in wellbores
08/20/2014EP2766562A1 Wellbore casing cutting tool
08/19/2014US8807213 Pressure limiting device for well perforation gun string
08/19/2014US8807206 Perforating gun debris retention assembly and method of use
08/14/2014WO2014123657A1 Removable plug arrangement and method of removing a plug arrangement
08/14/2014WO2014123517A1 Systems and methods for rotationally orienting a whipstock assembly
08/14/2014US20140224507 Isolation devices having an anode matrix and a fiber cathode
08/14/2014US20140224500 Well emergency separation tool for use in separating a tubular element
08/13/2014EP2764195A2 Tubular apparatus for the continuous completion of hydrocarbon wells, and corresponding laying method
08/13/2014CN203769675U 螺杆钻具钻刮扶正总成 Screw hole drilling assembly scraping righting
08/13/2014CN103982154A 一种钻井套管回收方法 A method for recovering casing drilling
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