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Class Information
Number: 166/68
Name: Wells > With below and above ground modification > Eduction pump or plunger in well
Description: Devices comprising pump or plunger means situated in the well for drawing fluid out of the well or into a receptacle which is then taken out of the well.










Sub-classes under this class:

Class Number Class Name Patents
166/68.5 With above ground (1) motor carried by casing or casing support or (2) well fluid pump 190


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8701755 Apparatus and method for pumping well fluids and debris Apr. 22, 2014
8672026 Fluid control in reservior fluid sampling tools Mar. 18, 2014
8657014 Artificial lift system and method for well Feb. 25, 2014
8627892 Plunger for performing artificial lift of well fluids Jan. 14, 2014
8607880 Gas lift plunger acceleration arrangement Dec. 17, 2013
8607877 Pumping module and system Dec. 17, 2013
8602094 Method for downhole electrical transmission by forming an electrical connection with components capable of relative rotational movement Dec. 10, 2013
8550175 Well completion with hydraulic and electrical wet connect system Oct. 8, 2013
8550218 Remote control for braking system of progressive cavity pump Oct. 8, 2013
8517700 Submersible pump Aug. 27, 2013
8511386 Pumping module and system Aug. 20, 2013
8505627 Downhole separation and reinjection Aug. 13, 2013
8485263 Multi-sleeve plunger for plunger lift system Jul. 16, 2013
8474520 Wellbore drilled and equipped for in-well rigless intervention ESP Jul. 2, 2013
8464798 Plunger for performing artificial lift of well fluids Jun. 18, 2013
8448704 Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydrates May. 28, 2013
8443900 Electric submersible pumping system and method for dewatering gas wells May. 21, 2013
8439658 Progressing cavity pump rubber reinforcement device for rotor alignment May. 14, 2013
8418754 Emergency water pump system Apr. 16, 2013
8403033 Manual emergency water pump system Mar. 26, 2013
8397811 Gas boost pump and crossover in inverted shroud Mar. 19, 2013
8381820 In-well rigless ESP Feb. 26, 2013
8365436 System and method for drying a water-containing substance Feb. 5, 2013
8360751 Discharge pressure actuated pump Jan. 29, 2013
8347955 Plunger lift mechanism Jan. 8, 2013
8347953 Inline monitoring package for electrical submersible pump Jan. 8, 2013
8336613 Back pressured hydraulic pump for sucker rod Dec. 25, 2012
8328539 Submersible pump motor protector Dec. 11, 2012
8322444 Surface refillable protector Dec. 4, 2012
8316949 Intake for shrouded electric submersible pump assembly Nov. 27, 2012
8302695 Downhole systems and methods for deliquifaction of a wellbore Nov. 6, 2012
8302689 Apparatus and method for manipulating fluid during drilling or pumping operations Nov. 6, 2012
8297940 Relocatable sucker rod pump assembly Oct. 30, 2012
8291979 Controlling flows in a well Oct. 23, 2012
8291983 Intake for shrouded electric submersible pump assembly Oct. 23, 2012
8261838 Artificial lift system Sep. 11, 2012
8256504 Unlimited stroke drive oil well pumping system Sep. 4, 2012
8240221 Beam pumping unit for inclined wellhead Aug. 14, 2012
8225873 Oil well pump apparatus Jul. 24, 2012
8201629 Staging tool seal arrangement for gas wells Jun. 19, 2012
8196667 Submersible pumping system Jun. 12, 2012
8171997 High velocity string for well pump and method for producing well fluid May. 8, 2012
8162053 Gas lift plunger assembly arrangement Apr. 24, 2012
8162044 Systems and methods for providing electrical transmission in downhole tools Apr. 24, 2012
8141625 Gas boost circulation system Mar. 27, 2012
8127855 Artificial lift system for stripper and marginal wells Mar. 6, 2012
8118103 Downhole draw-down pump and method Feb. 21, 2012
8113277 Sucker rod end fittings and method of using same Feb. 14, 2012
8100407 Packing cartridges and pressure-dampening elements for plunger-type pumps Jan. 24, 2012
8079418 Plug in pump for inverted shroud assembly Dec. 20, 2011

1 2 3 4 5 6 7 8










 
 
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