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Class Information
Number: 166/105
Name: Wells > With eduction pump or plunger
Description: Devices combined with a pump or plunger means for drawing well fluid out of the well or into a receptacle which is to be taken out of the well.










Sub-classes under this class:

Class Number Class Name Patents
166/105.5 Having liquid-gas separator 222
166/105.1 Having sediment trap or deflector 60
166/107 Receptacles 56
166/112 With leak means 13
166/106 With packer or plug 239


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8701755 Apparatus and method for pumping well fluids and debris Apr. 22, 2014
8701780 Hydraulically driven, down-hole jet pump Apr. 22, 2014
8684078 System and method for controlling fluid pumps to achieve desired levels Apr. 1, 2014
8678082 Hydraulic oil well pumping apparatus Mar. 25, 2014
8651191 Slim hole production system and method Feb. 18, 2014
8632318 Pumping mud by electrohydrodynamic propulsion Jan. 21, 2014
8627892 Plunger for performing artificial lift of well fluids Jan. 14, 2014
8622140 Jet pump and multi-string tubing system for a fluid production system and method Jan. 7, 2014
8616863 ESP with offset laterally loaded bearings Dec. 31, 2013
8613311 Apparatus and methods for well completion design to avoid erosion and high friction loss for power cable deployed electric submersible pump systems Dec. 24, 2013
8602094 Method for downhole electrical transmission by forming an electrical connection with components capable of relative rotational movement Dec. 10, 2013
8590614 High pressure stimulation pump Nov. 26, 2013
8555957 Crude oil production equipment Oct. 15, 2013
8550218 Remote control for braking system of progressive cavity pump Oct. 8, 2013
8517700 Submersible pump Aug. 27, 2013
8512009 Steam driven pump for SAGD system Aug. 20, 2013
8501012 Bypass filter apparatus and method Aug. 6, 2013
8474520 Wellbore drilled and equipped for in-well rigless intervention ESP Jul. 2, 2013
8469087 Interface for deploying wireline tools with non-electric string Jun. 25, 2013
8464798 Plunger for performing artificial lift of well fluids Jun. 18, 2013
8448710 Plunger lift mechanism May. 28, 2013
8439119 Latching mechanism for changing pump size May. 14, 2013
8439658 Progressing cavity pump rubber reinforcement device for rotor alignment May. 14, 2013
8418754 Emergency water pump system Apr. 16, 2013
8408312 Compact cable suspended pumping system for dewatering gas wells Apr. 2, 2013
8403033 Manual emergency water pump system Mar. 26, 2013
8381820 In-well rigless ESP Feb. 26, 2013
8358043 Enhanced thermal conductivity material in annular gap between electrical motor stator and housing Jan. 22, 2013
8347953 Inline monitoring package for electrical submersible pump Jan. 8, 2013
8347955 Plunger lift mechanism Jan. 8, 2013
8347954 Plunger lift system with seal and ball detent arrangement Jan. 8, 2013
8342238 Coaxial electric submersible pump flow meter Jan. 1, 2013
8336631 Split stream oilfield pumping systems Dec. 25, 2012
8336632 System and method for direct drive pump Dec. 25, 2012
8322444 Surface refillable protector Dec. 4, 2012
8316928 Drive means Nov. 27, 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
8297940 Relocatable sucker rod pump assembly Oct. 30, 2012
8291983 Intake for shrouded electric submersible pump assembly Oct. 23, 2012
8291979 Controlling flows in a well Oct. 23, 2012
8276658 Multi-channel, combination coiled tubing strings for hydraulically driven downhole pump Oct. 2, 2012
8267171 Apparatus and method of monitoring an alternating current component of a downhole electrical imbalance voltage Sep. 18, 2012
8256504 Unlimited stroke drive oil well pumping system Sep. 4, 2012
8235107 Hydraulic oil well pumping apparatus Aug. 7, 2012
8210253 Oil well pump Jul. 3, 2012
8196667 Submersible pumping system Jun. 12, 2012
8191640 Universal pump holddown system Jun. 5, 2012
8171997 High velocity string for well pump and method for producing well fluid May. 8, 2012
8162044 Systems and methods for providing electrical transmission in downhole tools Apr. 24, 2012

1 2 3 4 5 6 7 8 9 10










 
 
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