Secure activation of a downhole device
First Claim
Patent Images
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, andwherein each control unit includes a circuit board, the corresponding microprocessor and initiator being mounted on one planar surface of the circuit board.
1 Assignment
0 Petitions
Accused Products
Abstract
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.
155 Citations
17 Claims
-
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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
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. - View Dependent Claims (10, 11)
-
-
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. - View Dependent Claims (13)
-
-
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. - View Dependent Claims (15, 16, 17)
-
Specification