Patent ID: 9284838
Filing Date: 2016-03-15
CPC Classification: E21B

Claim Text:
1. An apparatus for use in a wellbore formed in a formation, comprising: a device in the wellbore for supplying a hydraulic fluid to a common hydraulic line; a first flow control device for controlling a supply of the hydraulic fluid from the common hydraulic line to a first pump; a second flow control device for controlling a supply of the hydraulic fluid from the common hydraulic line to a second pump; at least one controller that controls flow of the hydraulic fluid from the first flow control device to the first pump and controls a flow of the hydraulic fluid from the second flow control device to the second pump to independently control operation of the first pump and the second pump; and wherein the first pump operates at a first speed and the second pump operates at a second speed and wherein the second pump is turned off as a piston of the first pump reaches a selected position of the first pump.