CA2617375A1 - Interactive and/or secure activation of a tool - Google Patents

Interactive and/or secure activation of a tool Download PDF

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Publication number
CA2617375A1
CA2617375A1 CA002617375A CA2617375A CA2617375A1 CA 2617375 A1 CA2617375 A1 CA 2617375A1 CA 002617375 A CA002617375 A CA 002617375A CA 2617375 A CA2617375 A CA 2617375A CA 2617375 A1 CA2617375 A1 CA 2617375A1
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CA
Canada
Prior art keywords
sensor
tool
gun
explosive
sending
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002617375A
Other languages
French (fr)
Other versions
CA2617375C (en
Inventor
Nolan C. Lerche
James E. Brooks
Simon L. Farrant
Edward H. Rogers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Canada Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/076,993 external-priority patent/US7383882B2/en
Application filed by Individual filed Critical Individual
Publication of CA2617375A1 publication Critical patent/CA2617375A1/en
Application granted granted Critical
Publication of CA2617375C publication Critical patent/CA2617375C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

A tool activation system and method includes receiving an authorization code of a user to verify access rights of a user to activate the tool. In one example, the authorization code is receive from a smart card. The environment around the tool, which can be in a wellbore, for example, is checked. In response to the authorization code and the checking of the environment, activation of the tool is enabled.

Claims (27)

1. A tool, comprising:

a section having an explosive;
a safety sub having a switch;

a first electrical link coupled to the switch and a second electrical link coupled between the switch and the section; and the switch adapted to isolate the first and second electrical links when the switch is in the open position to disable electrical arming of the section.
2. The tool of claim 1, wherein the section comprises a gun.
3. A method of handling a tool containing a section having an explosive device, comprising:

providing a safety sub between the section and an input of the tool; and setting a switch in the safety sub to an open position to electrically isolate the section from the input.
4. The method of claim 3, further comprising transporting the tool in a prearmed state with the explosive device connected in the section.
5. A method of activating a tool containing an explosive, comprising:

receiving, by a security input device, an authorization code associated with a user;

verifying, based on the authorization code, that the user is authorized to activate the tool containing the explosive; and sending, in response to user input, one or more messages to the tool containing the explosive to activate the tool.
6. The method of claim 5, wherein receiving the authorization code by the security input device comprises receiving the authorization code from one of a smart card reader and a biometric input device.
7. The method of claim 5, wherein the tool comprises a perforating gun, and wherein sending the one or more messages comprises sending a first message to arm the perforating gun and sending a second message to fire the gun.
8. The method of claim 5, wherein sending the one or more messages comprises sending one or more encrypted messages.
9. The method of claim 8, further comprising the tool decrypting the one or more encrypted messages.
10. The method of claim 5, wherein the tool has plural guns, each gun having a unique code, and wherein sending the one or more messages comprises sending the one or more messages containing the unique codes.
11. The method of claim 10, wherein sending the one or more messages comprises sending one message to all the guns.
12. The method of claim 11, further comprising providing a delay element in each of the guns to specify a delay from receipt of the message to firing of the gun, wherein the delay in one gun is different from the delay in at least another gun.
13. The method of claim 5, further comprising providing plural access levels, wherein verifying that the user is authorized based on the authorization code comprises determining one of the plural access levels associated with the user.
14. A system comprising:

a security input device adapted to receive an authorization code of a user;

a controller adapted to verify, based on the authorization code, if the user is allowed access to activate a tool containing an explosive device; and an interface adapted to be coupled to a link to the tool containing the explosive device, the interface adapted to send an activation message to the tool under control of the controller.
15. The system of claim 14, wherein the security input device comprises one of a smart card reader and a biometric input device.
16. The system of claim 14, further comprising a storage device to store authorization information, the controller adapted to compare the authorization code with the authorization information in the storage device.
17. The system of claim 14, wherein the activation message comprises an encrypted activation message.
18. The system of claim 14, wherein the activation message comprises a message to fire a peforating gun in the tool.
19. A tool comprising:

a gun having an explosive and a sensor, the sensor adapted to communicate data over a communications line coupled to the tool.
20. The tool of claim 19, wherein the gun further comprises at least another sensor adapted to communicate data over the communications line.
21. The tool of claim 19, wherein the sensor is selected from the group consisting of a temperature sensor, pressure sensor, fluid density sensor, moisture detector, strain-gauge bridge sensor, acoustic sensor, vibration sensor, sand detection sensor, water detection sensor, scale detector, viscosity sensor, bubble point sensor, composition sensor, infrared sensor, gamma ray sensor, H2S sensor, CO2 sensor, casing collar locator, position sensor, and orientation sensor.
22. The tool of claim 21, wherein the gun has at least another sensor selected from the group.
23. The tool of claim 19, further comprising another gun having an explosive and a sensor.
24. A method for use in a well, comprising:
lowering a tool having a gun into the well;
providing a sensor in the gun; and communicating data from the sensor over a communications line coupled to the tool.
25. The method of claim 24, further comprising:
providing another gun in the tool; and providing another sensor in the other gun.
26. The method of claim 24, wherein providing the sensor comprises providing a sensor selected from the group consisting of a temperature sensor, pressure sensor, fluid density sensor, moisture detector, strain-gauge bridge sensor, acoustic sensor, vibration sensor, sand detection sensor, water detection sensor, scale detector, viscosity sensor, bubble point sensor, composition sensor, infrared sensor, gamma ray sensor, H2S sensor, CO2 sensor, casing collar locator, position sensor, and orientation sensor.
27. The method of claim 24, further comprising providing another sensor in the gun.
CA2617375A 2002-02-15 2003-02-12 Interactive and/or secure activation of a tool Expired - Lifetime CA2617375C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/076,993 US7383882B2 (en) 1998-10-27 2002-02-15 Interactive and/or secure activation of a tool
US10/076,993 2002-02-15
CA002418758A CA2418758C (en) 2002-02-15 2003-02-12 Interactive and/or secure activation of a tool

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002418758A Division CA2418758C (en) 2002-02-15 2003-02-12 Interactive and/or secure activation of a tool

Publications (2)

Publication Number Publication Date
CA2617375A1 true CA2617375A1 (en) 2003-08-15
CA2617375C CA2617375C (en) 2012-03-27

Family

ID=39367245

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2617375A Expired - Lifetime CA2617375C (en) 2002-02-15 2003-02-12 Interactive and/or secure activation of a tool

Country Status (1)

Country Link
CA (1) CA2617375C (en)

Also Published As

Publication number Publication date
CA2617375C (en) 2012-03-27

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Effective date: 20230213