RFID Actuated Gravel Pack Valves
A device and method that, on a command from the surface, a seat in a tubular may be moved into the bore of a tubular so that a ball of the appropriate size may be caught. The seat may also be moved out of the bore on command so that a ball of the appropriate size will not be caught by the seat.
1 - 20 . (canceled)
21 . A downhole releasable valve seat, comprising:
a housing having an interior;
a valve seat located in the interior, the valve seat having at least two segments, the segments having a first position and a second position; and
a receiver receiving a signal and moving the segments, upon receipt of the signal, between the first position and the second position.
22 . The seat of claim 21 , wherein the segments move radially between the first position and the second position.
23 . The seat of claim 21 , wherein the segments in the first position allow a plug to pass through the interior; and wherein the segments in the second position catch the plug.
24 . The seat of claim 23 , wherein the segments in the second position form a seal with the caught plug.
25 . The seat of claim 21 , wherein the receiver actuates a lock, the lock moving the segments between the first position and the second position.
26 . The seat of claim 21 , wherein the receiver receives the signal communicated by a radio frequency identification device.
27 . The seat of claim 21 , wherein the receiver receives the signal communicated by a pressure pulse.
28 . A downhole releasable valve seat, comprising:
a housing having an interior;
a valve seat located in the interior, the valve seat including a collet having at least two fingers, the fingers having a first position and a second position; and
a receiver receiving a signal and moving, upon receipt of the signal, the fingers between the first position and the second position.
29 . The seat of claim 28 , wherein the fingers move radially between the first position and the second position.
30 . The seat of claim 28 , wherein the fingers in the first position allow a plug to pass through the interior; and wherein the fingers in the second position catch the plug.
31 . The seat of claim 30 , wherein the fingers in the second position form a seal with the caught plug.
32 . The seat of claim 28 , wherein the receiver actuates a lock, the lock moving the fingers between the first position and the second position.
33 . The seat of claim 28 , wherein the receiver receives the signal communicated by a radio frequency identification device.
34 . The seat of claim 28 , wherein the receiver receives the signal communicated by a pressure pulse.
35 . A downhole valve, comprising:
a housing having an interior;
a valve located in the interior, the valve having at least two segments, the segments having a first position and a second position; and
a receiver receiving a signal and moving, upon receipt of the signal, the segments between the first position and the second position.
36 . The valve of claim 35 , wherein the segments move radially between the first position and the second position.
37 . The valve of claim 35 , wherein the segments in the first position allow fluid to pass through the interior; and wherein the segments in the second position block fluid flow through the interior.
38 . The valve of claim 37 , wherein the segments in the second position form a seal.
39 . The valve of claim 35 , wherein the receiver actuates a lock, the lock moving the segments between the first position and the second position.
40 . The valve of claim 35 , wherein the receiver receives the signal communicated by a radio frequency identification device.
41 . The valve of claim 35 , wherein the receiver receives the signal communicated by a pressure pulse.