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Hong Kong, Hong Kong

Patent
Artificial Life | Date: 2011-01-26

A wet connection system suitable for use in hydrocarbon wells preferably comprises one or more elongate, small diameter conduits (


Patent
Artificial Life | Date: 2014-06-09

A wet connection system suitable for use in hydrocarbon wells preferably comprises one or more elongate, small diameter conduits (


Patent
Artificial Life | Date: 2013-05-20

A downhole electrical wet connector comprising a plug which is slidingly inserted into a socket, the socket comprising a series of wiper seals spaced apart by separation zones, each zone being individually supplied with dielectric fluid from a separate reservoir. A retractable insert is arranged in the socket and displaced by the plug during connection. The fluid pressure in each zone is individually regulated relative to ambient wellbore pressure and the pressure in adjacent zones and optionally equalised to minimise loss of fluid.


A synchronous permanent magnet motor is controlled independently of position sensing means by determining the system parameters including the motor impedance and back-emf and the cable impedance and supplying power according to a predefined voltage:frequency ratio which is determined based on said system parameters to provide a desired rate of acceleration determined by the supply voltage.


Patent
Artificial Life | Date: 2013-07-08

A wet connection system comprises a fixed tubing with an orientation profile and redundant, first and second fixed wet connectors, and an electrical submersible pump assembly (ESP) comprising a wet connector and an orientation element for engaging the orientation profile. The ESP can be reconfigured, for example, by interchanging its component modules so as to change the position of its wet connector with respect to the orientation element, whereby the wet connector on the ESP can be engaged alternatively with either one of the fixed wet connectors when the orientation element is engaged with the orientation profile in the same deployed position of the ESP.

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