Patent ID: 9441454
Filing Date: 2016-09-13
CPC Classification: E21B

Claim Text:
1. A gravel packing apparatus for a well having a screen assembly disposed in the well, the screen assembly having an interior, an outlet, and a screen, the apparatus comprising: a tool having an internal passage and defining first and second ports, the tool positioning in the interior of the screen assembly, the first and second ports configured to communicate the internal passage of the tool with the interior of the screen assembly, the first port placed in communication with the screen, the second port placed in communication with the outlet; a first valve disposed on the tool and controlling fluid communication through the internal passage; a second valve disposed on the tool and controlling fluid communication through the second port; a third valve disposed on the tool and controlling fluid communication directly between first and second points outside the tool on both sides of an intermediate position between the first and second points at which the tool positions in the interior of the screen assembly, the first point being outside the tool and uphole of the interior of the screen assembly, the second point being outside the tool and inside the interior of the screen assembly; a signal receiver disposed on the tool; and at least one actuator disposed on the tool and operating the first, second, and third valves in response to the signal receiver.