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Class Information
Number: 166/106
Name: Wells > With eduction pump or plunger > With packer or plug
Description: Devices including packers or plugs as defined in subclass 179.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8689892 Wellbore pressure control device Apr. 8, 2014
8544540 Well jet device for logging and developing horizontal wells with abnormally low formation pressure Oct. 1, 2013
8528632 Packer deployment with electric submersible pump with optional retention of the packer after pump removal Sep. 10, 2013
8474520 Wellbore drilled and equipped for in-well rigless intervention ESP Jul. 2, 2013
8459362 System, device, and method of installation of a pump below a formation isolation valve Jun. 11, 2013
8397808 Bore-hole jet device for formation hydraulic fracturing and horizontal well examination and a method for the operation thereof Mar. 19, 2013
8353352 Switch mechanisms that allow a single power cable to supply electrical power to two or more downhole electrical motors alternatively and methods associated therewith Jan. 15, 2013
8316942 ESP for perforated sumps in horizontal well applications Nov. 27, 2012
8316938 Subterranean water production, transfer and injection method and apparatus Nov. 27, 2012
8302694 Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations Nov. 6, 2012
8201629 Staging tool seal arrangement for gas wells Jun. 19, 2012
8162053 Gas lift plunger assembly arrangement Apr. 24, 2012
8122966 Total in place hydrocarbon recovery by isolated liquid and gas production through expanded volumetric wellbore exposure + Feb. 28, 2012
8113274 Electric submersible pumping system with gas vent Feb. 14, 2012
8056626 Wellbore fluid redistribution and fluid disposal in wellbore environments Nov. 15, 2011
8051907 Downhole separator Nov. 8, 2011
7971648 Flow control system utilizing an isolation device positioned uphole of a liquid removal device Jul. 5, 2011
7954551 System and method for thru tubing deepening of gas lift Jun. 7, 2011
7909092 Downhole separator Mar. 22, 2011
7905294 Method of anchoring a progressing cavity pump Mar. 15, 2011
7845399 Downhole well pump Dec. 7, 2010
7780428 Fluid-guiding and electric conducting system for suspended electric submersible progressing cavity pump (PCP) Aug. 24, 2010
7762325 Methods and apparatus to apply axial force to a packer in a downhole tool Jul. 27, 2010
7753115 Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations Jul. 13, 2010
7753129 Wireline or coiled tubing deployed electric submersible pump Jul. 13, 2010
7748449 Tubingless electrical submersible pump installation Jul. 6, 2010
7703508 Wellbore filter for submersible motor-driver pump Apr. 27, 2010
7686100 Technique and apparatus for drilling and completing a well in one half trip Mar. 30, 2010
7686075 Downhole pump assembly and method of recovering well fluids Mar. 30, 2010
7681651 Downhole bridge plug or packer setting assembly and method Mar. 23, 2010
7673676 Electric submersible pumping system with gas vent Mar. 9, 2010
7635030 Inverted electrical submersible pump completion to maintain fluid segregation and ensure motor cooling in dual-stream well Dec. 22, 2009
7607479 Three phase downhole separator apparatus and process Oct. 27, 2009
7600566 Collar locator for slick pump Oct. 13, 2009
7594543 Method and apparatus for production in oil wells Sep. 29, 2009
7588086 Ported velocity tube for gas lift operations Sep. 15, 2009
7506690 Enhanced liquid hydrocarbon recovery by miscible gas injection water drive Mar. 24, 2009
7487838 Inverted electrical submersible pump completion to maintain fluid segregation and ensure motor cooling in dual-stream well Feb. 10, 2009
7431093 Protection scheme and method for deployment of artificial lift devices in a wellbore Oct. 7, 2008
7389816 Three phase downhole separator process Jun. 24, 2008
7367401 Ported velocity tube for gas lift operations May. 6, 2008
7320364 Inhibiting reflux in a heated well of an in situ conversion system Jan. 22, 2008
7255167 Three phase downhole separator process Aug. 14, 2007
7243730 Well production optimizing system Jul. 17, 2007
7234520 Well jet device for testing and studying formations and the operating method thereof Jun. 26, 2007
7231978 Chemical injection well completion apparatus and method Jun. 19, 2007
7207381 Downhole pump driven by injection water Apr. 24, 2007
7172028 Reciprocating slickline pump Feb. 6, 2007
7163066 Gravity valve for a downhole tool Jan. 16, 2007
7152683 Method for operating a well jet device during cleaning of the downhole area of a formation and device for carrying out said method Dec. 26, 2006

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