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Class Information
Number: 166/53
Name: Wells > Automatic
Description: Devices comprising means to sense a condition which may or may not be present or may occur spasmodically, and cause operation of a control device, without the intervention of a human operator, (e.g., liquid level or specific gravity responsive devices, temperature responsive devices or self-correlating devices).










Sub-classes under this class:

Class Number Class Name Patents
166/54 Float controlled valve 29


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

Patent Number Title Of Patent Date Issued
8636071 System, method and apparatus for enhancing wellbore treatment fluid flexibility Jan. 28, 2014
8584747 Enhancing well fluid recovery Nov. 19, 2013
8560098 System for remotely monitoring a site for anticipated failure and maintenance with a plurality of controls Oct. 15, 2013
8560096 Method for remotely monitoring a site for anticipated failure and maintenance with a plurality of controls Oct. 15, 2013
8560097 Computer assisted method for remotely monitoring a site for anticipated failure and maintenance with a plurality of controls Oct. 15, 2013
8544542 Method for signalling a downhole device in a well Oct. 1, 2013
8540022 Method of delivering frac fluid and additives Sep. 24, 2013
8522865 Automated flowback and information system Sep. 3, 2013
8430162 Continuous downhole scale monitoring and inhibition system Apr. 30, 2013
8418770 Multi-process electronic control valve system Apr. 16, 2013
8371379 Pumping station configuration method and apparatus Feb. 12, 2013
8322410 System, method and apparatus for enhancing wellbore treatment fluid flexibility Dec. 4, 2012
8316935 Method of delivering frac fluid and addivities Nov. 27, 2012
8302684 Controlling the flow of a multiphase fluid from a well Nov. 6, 2012
8281853 Tool for use in well monitoring Oct. 9, 2012
8261826 Wellbore pressure control with segregated fluid columns Sep. 11, 2012
8251151 Apparatus and methods for tubular makeup interlock Aug. 28, 2012
8206124 Oil-gas vapor collection, storage, and recovery system using a variable volume gas bag connected with a control switch Jun. 26, 2012
8201628 Wellbore pressure control with segregated fluid columns Jun. 19, 2012
8162048 Method of delivering frac fluid and additives Apr. 24, 2012
8141640 System, method and apparatus for enhancing wellbore treatment fluid flexibility Mar. 27, 2012
8066058 System, method, and apparatus for breaking fracturing fluids Nov. 29, 2011
8051909 Method and apparatus for positioning the proximal end of a tubular string above a spider Nov. 8, 2011
8028753 System, method and apparatus for controlling the flow rate of an electrical submersible pump based on fluid density Oct. 4, 2011
8006766 Method and apparatus for controlling the speed of a pump in a well Aug. 30, 2011
7987074 Efficient computation method for electromagnetic modeling Jul. 26, 2011
7963328 Process and apparatus for release and recovery of methane from methane hydrates Jun. 21, 2011
7954547 Gas flow system Jun. 7, 2011
7950464 Multi-well controller May. 31, 2011
7921909 Method for breaking fracture fluids Apr. 12, 2011
7909088 Material sensitive downhole flow control device Mar. 22, 2011
7891423 System and method for optimizing gravel deposition in subterranean wells Feb. 22, 2011
7880418 Electromechanical drive system, in particular for progressive cavity pumps for oil wells Feb. 1, 2011
7870900 System and method for controlling a progressing cavity well pump Jan. 18, 2011
7857048 Method for breaking fracturing fluids Dec. 28, 2010
7845420 Work string controller Dec. 7, 2010
7841414 Work string controller Nov. 30, 2010
7836949 Method and apparatus for controlling the manufacture of well treatment fluid Nov. 23, 2010
7828067 Inflow control device Nov. 9, 2010
7784538 Using an acoustic ping and sonic velocity to control an artificial lift device Aug. 31, 2010
7762339 Apparatus and method for controlling the speed of a pump in a well Jul. 27, 2010
7748450 Gas wellhead extraction system and method Jul. 6, 2010
7740708 Thermal fluid stimulation unit Jun. 22, 2010
7721806 Automatic chemical treatment system with integral flush fluid dispenser and method for using the same May. 25, 2010
7686499 Control system design for a mixing system with multiple inputs Mar. 30, 2010
7681641 Plunger lift controller and method Mar. 23, 2010
7673680 Method for signalling a downhole device in a flowing well Mar. 9, 2010
7650950 Drilling system and method Jan. 26, 2010
7610955 Controlled gas-lift heat exchange compressor Nov. 3, 2009
7607478 Intervention tool with operational parameter sensors Oct. 27, 2009

1 2 3 4 5 6 7 8 9 10










 
 
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