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Class Information
Number: 166/317
Name: Wells > Valves, closures or changeable restrictors > Destructible element
Description: Devices in which there is an element that is destroyed or permanently deformed to allow fluid flow or to stop fluid flow.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8684087 Downhole flow control using perforator and membrane Apr. 1, 2014
8668019 Dissolvable barrier for downhole use and method thereof Mar. 11, 2014
8657009 Method and apparatus for wellbore fluid treatment Feb. 25, 2014
8646523 Method and materials for proppant flow control with telescoping flow conduit technology Feb. 11, 2014
8607872 Fire prevention blow-out valve Dec. 17, 2013
8607811 Injection valve with indexing mechanism Dec. 17, 2013
8602105 Actuator device for downhole tools Dec. 10, 2013
8590623 Downhole tools and methods of setting in a wellbore Nov. 26, 2013
8584746 Oilfield isolation element and method Nov. 19, 2013
8544548 Water dissolvable materials for activating inflow control devices that control flow of subsurface fluids Oct. 1, 2013
8499834 Milling tool for establishing openings in wellbore obstructions Aug. 6, 2013
8479808 Downhole tools having radially expandable seat member Jul. 9, 2013
8479822 Downhole tool with expandable seat Jul. 9, 2013
8443897 Subsea safety system having a protective frangible liner and method of operating same May. 21, 2013
8434559 High strength dissolvable structures for use in a subterranean well May. 7, 2013
8430173 High strength dissolvable structures for use in a subterranean well Apr. 30, 2013
8430174 Anhydrous boron-based timed delay plugs Apr. 30, 2013
8424610 Flow control arrangement and method Apr. 23, 2013
8397741 Delay activated valve and method Mar. 19, 2013
8397813 Device for a test plug Mar. 19, 2013
8381807 Hydraulically-actuated propellant stimulation downhole tool Feb. 26, 2013
8365829 Tubular seat and tubular actuating system Feb. 5, 2013
8356671 Tool with multi-size ball seat having segmented arcuate ball support member Jan. 22, 2013
8322426 Downhole actuator apparatus having a chemically activated trigger Dec. 4, 2012
8322448 Device for plug removal Dec. 4, 2012
8297364 Telescopic unit with dissolvable barrier Oct. 30, 2012
8291980 Tubular valving system and method Oct. 23, 2012
8276670 Downhole dissolvable plug Oct. 2, 2012
8267177 Means for creating field configurable bridge, fracture or soluble insert plugs Sep. 18, 2012
8267178 Valve for hydraulic fracturing through cement outside casing Sep. 18, 2012
8201643 System and method for longitudinal and lateral jetting in a wellbore Jun. 19, 2012
8191633 Degradable downhole check valve Jun. 5, 2012
8167047 Method and apparatus for wellbore fluid treatment May. 1, 2012
8127856 Well completion plugs with degradable components Mar. 6, 2012
8118100 Debris protection for sliding sleeve Feb. 21, 2012
8082941 Reverse action flow activated shut-off valve Dec. 27, 2011
8025104 Method and apparatus for delayed flow or pressure change in wells Sep. 27, 2011
7938189 Pressure protection for a control chamber of a well tool May. 10, 2011
7913765 Water absorbing or dissolving materials used as an in-flow control device and method of use Mar. 29, 2011
7896091 Convertible seal Mar. 1, 2011
7878256 Burst plug for a downhole fluid passage Feb. 1, 2011
7857061 Flow control in a well bore Dec. 28, 2010
RE41979 Flow control apparatus and method Dec. 7, 2010
7806189 Downhole valve assembly Oct. 5, 2010
7798236 Wellbore tool with disintegratable components Sep. 21, 2010
7775285 Apparatus and method for servicing a wellbore Aug. 17, 2010
7762342 Apparatus for providing a temporary degradable barrier in a flow pathway Jul. 27, 2010
7748460 Method and apparatus for wellbore fluid treatment Jul. 6, 2010
7726406 Dissolvable downhole trigger device Jun. 1, 2010
7712521 Device of a test plug May. 11, 2010

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