A system includes a well tool for deployment in a well, a controller, and a link coupled between the controller and the well tool. The well tool comprises plural control units, each of the plural control units having a microprocessor and an initiator coupled to the microprocessor. Each microprocess
A system includes a well tool for deployment in a well, a controller, and a link coupled between the controller and the well tool. The well tool comprises plural control units, each of the plural control units having a microprocessor and an initiator coupled to the microprocessor. Each microprocessor is adapted to communicate bi-directionally with the controller. The controller is adapted to send a plurality of activation commands to respective microprocessors to activate the respective control units. Each activation command containing a unique identifier corresponding to a respective control unit.
대표청구항▼
What is claimed is: 1. A system comprising: a well tool for deployment in a well; a controller; a link coupled between the controller and the well tool, wherein the well tool comprises plural control units, each of the plural control units having a microprocessor and an initiator coupled to the mic
What is claimed is: 1. A system comprising: a well tool for deployment in a well; a controller; a link coupled between the controller and the well tool, wherein the well tool comprises plural control units, each of the plural control units having a microprocessor and an initiator coupled to the microprocessor, each microprocessor adapted to communicate bi-directionally with the controller, wherein the controller is adapted to send a plurality of activation commands to respective microprocessors to activate the respective control units, each activation command containing a unique identifier corresponding to a respective control unit, and wherein each control unit includes a circuit board, the corresponding microprocessor and initiator being mounted on one planar surface of the circuit board. 2. The system of claim 1, wherein the initiator includes at least one of an exploding foil initiator, an exploding bridge wire, a hot wire, and a semiconductor bridge. 3. The system of claim 1, wherein the well tool further comprises tool subs, each tool sub comprising a corresponding control unit and an explosive, the explosive to be detonated by the initiator. 4. The system of claim 3, wherein the well tool further comprises a safety sub coupled to the tool subs, the safety sub having identical components as at least one of the tool subs except that the safety sub does not include an explosive, the safety sub to prevent aiming of the tool subs until after activation of the safety sub. 5. The system of claim 3, wherein each of the tool subs comprises a corresponding circuit board. 6. The system of claim 1, wherein the well tool further comprises explosives to be detonated by respective initiators. 7. The system of claim 1, wherein the link comprises a cable, the cable containing a fiber optic line. 8. The system of claim 1, wherein the initiator comprises an exploding foil initiator. 9. A method for use in a wellbore, comprising: deploying a well tool into the wellbore; communicating, over a link, between a controller and the well tool, wherein the well tool comprises plural control units, each of the plural control units having a microprocessor and an initiator coupled to the microprocessor; each microprocessor communicating bi-directionally with the controller, the controller sending a plurality of activation commands to respective microprocessors to activate the respective control units, each activation command containing a unique identifier corresponding to a respective control unit; providing a circuit board in each control unit; and mounting the microprocessor and initiator of each control unit on a flat surface of the respective circuit board, wherein the flat surface on which the microprocessor and initiator are mounted lies in one plane. 10. The method of claim 9, wherein mounting the initiator on the circuit board comprises mounting at least one of an exploding foil initiator, an exploding bridge wire, a hot wire, and a semiconductor bridge on the support structure. 11. The method of claim 9, wherein the initiator comprises an exploding foil initiator. 12. A method for use in a wellbore, comprising: deploying a well tool into the wellbore; communicating, over a link, between a controller and the well tool, wherein the well tool comprises plural control units, each of the plural control units having a microprocessor and an initiator coupled to the microprocessor; each microprocessor communicating bi-directionally with the controller, the controller sending a plurality of activation commands to respective microprocessors to activate the respective control units, each activation command containing a unique identifier corresponding to a respective control unit; providing a flexible circuit in each control unit; and mounting the microprocessor and initiator of each control unit on one planar surface of corresponding flex circuit. 13. The method of claim 12, wherein the initiator comprises an exploding foil initiator. 14. A tool for use in a wellbore, comprising: a plurality of control units for communicating over a link with a remote controller, wherein each of the control units includes a microprocessor, wherein each control unit is adapted to communicate bi-directionally with the remote controller; a plurality of initiators coupled to respective microprocessors; and wherein the control units are associated with unique identifiers, and wherein each microprocessor is responsive to an activation command containing the corresponding unique identifier, wherein each control unit comprises a flexible circuit having one planar surface on which a respective microprocessor and initiator are mounted. 15. The tool of claim 14, further comprising capacitors mounted to respective flexible circuits. 16. The tool of claim 14, wherein the flexible circuits comprise flex cables. 17. The method of claim 14, wherein the initiator comprises an exploding foil initiator.
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