1. A method for producing fluid from a subterranean formation, comprising:
configuring an element to disintegrate when exposed to a selected fluid from the formation;
positioning the element in a wellbore;
controlling a flow of fluid produced from the subterranean formation;
actuating a flow control device using the element by exposing the element to the selected fluid flowing from the formation into an annulus around a wellbore tubular:
resetting the flow control device from a closed position to an open position while the flow control device is in the wellbore.
2. The method according to claim 1 wherein the selected fluid is water that is a component of a fluid produced from the subsurface formation.
3. The method according to claim 1 further comprising applying an opening force to the flow control device overcome gravity to maintain the flow control device in an open position to permit flow into a wellbore tubular.
4. The method according to claim 3 further comprising configuring the element to deactivate the opening force to allow gravity to move the flow control device to a closed position to restrict flow into the wellbore tubular.
5. The method according to claim 1 further comprising applying a closing force to urge the flow control device to a closed position to restrict flow into the wellbore tubular.
6. The method according to claim 5 further comprising configuring the element to release the closing force.
7. The method according to claim 1 further comprising calibrating the element to disintegrate in water, wherein the water is a component of a naturally occurring fluid.
8. The method according to claim 1 wherein actuating the flow control device restricts a flow of fluid into a wellbore tubular.
9. The method according to claim 1 further comprising resetting the flow control device from a closed position to an open position.
10. An apparatus for controlling flow of a fluid into a wellbore tubular, comprising:
a flow control device configured to control fluid flowing from a formation into an annulus around the wellbore tubular, the flow control device being configured to reset from a closed position to an open position while the flow control device is in the wellbore;
a disintegrating element associated with the flow control device, the disintegrating element being configured to disintegrate when exposed to a selected fluid flowing from the formation into the annulus to actuate the flow control device.
11. The apparatus according to claim 10 wherein the disintegrating element disintegrates upon exposure to water that is a component of the fluid produced from the subsurface formation.
12. The apparatus according to claim 10 further comprising an opening force associated with the flow control device that maintains the flow control device in an open position to permit flow into the wellbore tubular prior to actuation.
13. The apparatus according to claim 10 comprising a closing force associated with the flow control device that urges the flow control device to a closed position to restrict flow into the wellbore tubular after actuation.
14. The apparatus according to claim 10 wherein the disintegrating element is calibrated to disintegrate when exposed to water, wherein the water is a component of a naturally occurring fluid.
15. A system for controlling fluid flow in a well intersecting a formation of interest, comprising:
a tubular configured to be disposed in the well;
a flow control device positioned at a selected location along the tubular, the flow control device being configured to control flow between a bore of the tubular and the exterior of the tubular, the flow control device having a first opening configured to receive a fluid from the formation of interest and a second opening configured to convey the fluid from the formation of interest into the wellbore tubular, the flow control device being further configured to reset from a closed position to an open position while the flow control device is in the wellbore; and
an actuator coupled to the flow control device and configured to shift the flow control device to a closed position using gravity, the actuator including a disintegrating element calibrated to disintegrate in a predetermined manner when the disintegrating element when exposed to a fluid flowing from the formation into an annulus around the tubular.
16. The system according to claim 15 wherein the disintegrating element is configured to dissolve when exposed to water that is a component of a fluid produced from the subsurface formation.
17. The system according to claim 15 further comprising an opening force associated with the flow control device that maintains the flow control device in an open position to permit flow into the wellbore tubular prior to actuation, wherein the opening force is applied by one of (i) a spring element, and (ii) a magnet.
18. The system according to claim 15 further comprising a plurality of flow control device positioned at selected locations along the tubular, each flow control device being configured to control flow between a bore of the tubular and the exterior of the tubular; and an actuator coupled to each flow control device, each actuator including a disintegrating element calibrated to disintegrate in a predetermined manner when the disintegrating element when exposed to a selected fluid, wherein the selected fluid is a component of a naturally occurring fluid.
19. The system according to claim 18 wherein at least one of the plurality of flow control devices is configured to reduce a percentage of water in the fluid flowing in the tubular.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A first electronic device comprising:
a first antenna part configured to exchange a first wireless signal with a coordinate sensing sensor of a second electronic device by electromagnetic induction; and
a second antenna part configured to exchange a second wireless signal with a data communication antenna of the second electronic device by electromagnetic induction.
2. The first electronic device of claim 1, further comprising a circuit for controlling the first antenna part such that a frequency of the first wireless signal is changed.
3. The first electronic device of claim 2, wherein the circuit comprises a variable impedance element.
4. The first electronic device of claim 1, further comprising a communication Integrated Circuit (IC) for processing the second wireless signal and performing data communication.
5. The first electronic device of claim 1, wherein the second antenna part comprises at least one short-range antenna.
6. The first electronic device of claim 1, wherein the second antenna part comprises a radiator having an outer diameter greater than that of the first antenna part.
7. The first electronic device of claim 1, wherein the first electronic device comprises an electronic pen.
8. A second electronic device comprising:
a screen; and
a data communication antenna configured to exchange a first wireless signal with a first electronic device by electromagnetically inducing the first electronic device arranged in front of the screen.
9. The second electronic device of claim 8, further comprising a communication Integrated Circuit (IC) for processing the first wireless signal.
10. The second electronic device of claim 8, wherein the data communication antenna is used for at least one short-range wireless communication.
11. The second electronic device of claim 8, further comprising a coordinate sensing sensor configured to exchange a second wireless signal with the first electronic device in a way of electromagnetic inducing the first electronic device arranged in front of the screen.
12. The second electronic device of claim 11, further comprising a controller configured to process the second wireless signal.
13. The second electronic device of claim 11, wherein the data communication antenna and the coordinate sensing sensor are arranged in the same panel, together.
14. The second electronic device of claim 13, wherein the data communication antenna is arranged outside the coordinate sensing sensor.
15. The second electronic device of claim 8, wherein the first electronic device comprises an electronic pen.
16. A method of operating an electronic device, the method comprising:
obtaining connection information of a counterpart electronic device from an electronic pen;
establishing communication with the counterpart electronic device using the connection information; and
exchanging data with the counterpart electronic device.
17. The operation method of claim 16, wherein the obtaining of the connection information of the counterpart electronic device from the electronic pen comprises obtaining the connection information of the counterpart electronic device when the electronic pen approaches a touch or hovering input range of the electronic device.
18. The operation method of claim 16, wherein the obtaining of the connection information of the counterpart electronic device from the electronic pen comprises obtaining the connection information of the counterpart electronic device from a Near Field Communication (NFC) tag mounted at the electronic pen.
19. The operation method of claim 16, wherein the exchanging of the data with the counterpart electronic device comprises exchanging data about an electronic pen related user interface function.
20. The operation method of claim 19, wherein the electronic pen related user interface function comprises a movement of a display object responsive to a drag input of the electronic pen.