System and method for protection system design support

• US 7,904,190 B2
• Filed: 07/07/2009
• Issued: 03/08/2011
• Est. Priority Date: 12/18/2003
• Status: Active Grant

• Current Assignee: Curtiss-Wright Flow Control Corporation (Curtiss-Wright Corporation)
• Original Assignee: Curtiss-Wright Flow Control Corporation (Curtiss-Wright Corporation)
• Inventors: Olekshy, Antony G., Saunders, Paulette Meaux, Hoover, H. James, Kolenc, Josh
• Primary Examiner(s): Bahta; Kidest
• Application Number:
  US12/498,603
• Publication Number:
  US 20100017170A1
• Time in Patent Office: 609 Days
• Field of Search: 700/97, 700/301, 700108-111, 700/313, 702/182, 707/102, 710/36, 717/106, 717/162, 717/110
• US Class Current: 700/97
• CPC Class Codes: G05B 9/02 electric
• CPC Class Codes: G06Q 10/0635 Risk analysis of enterprise or organisation activities

Abstract

A method and system for assessing, auditing, designing, and evaluating process systems, including fluid pressure systems, to aid overpressure process plant design and/or the proper sizing and selection of overpressure equipment. The system includes a server subsystem, a storage subsystem, an assessment subsystem, and optionally a report generation subsystem, including computer hardware and application software for supporting these subsystems.

Claims

1. A method performed using a computerized system comprising a database and a processor executing software configured for designing a protection subsystem for protecting a process system, said process system comprising a plurality of process equipment, said method comprising the steps of:

storing, in the database, process equipment physical properties data corresponding to and associated with the specific components of the plurality of process equipment;

accepting, from a user using said computerized system, process system design information denoting a desired design of the process system; and

automatically determining, using said computerized system, protection subsystem design information pertaining to a design of the protection subsystem for protecting said process system, said determining utilizing at least a portion of said process system design information and said process equipment physical properties data, wherein

the database also stores information identifying a source of a plurality of specific components of the plurality of process equipment and/or a source of a plurality of specific components of the protection subsystem for associating with the process system design information and/or the protection subsystem design information, respectively.

2. The method of claim 1, wherein said protection subsystem design information includes sizing at least one overpressure relief device to protect equipment of said process system from overpressurization.

3. The method of claim 2, wherein said sizing includes determining equipment operating and design parameters.

4. The method of claim 1, wherein said protection subsystem design information includes sizing one or more of a relief valve, a rupture disk, inlet and/or outlet piping capacity, and/or an atmospheric conservation vent.

5. The method of claim 4, wherein said sizing includes selecting an optimum pressure relief device.

6. The method of claim 1, wherein said process system design information includes one or more of:

equipment information pertaining to the process equipment, scenario information pertaining to the process equipment, information pertaining to process conditions of the process system, a type of protection device(s) desired, a number of protection devices desired, potential causes of overpressure, and/or materials involved in a process of the process system.

7. The method of claim 1, further comprising the steps of:

storing a plurality of protection device information describing a plurality of protection devices in the database;

storing, in the database, protection device physical properties data linked to said protection device information; and

automatically selecting one or more of said plurality of protection devices for recommended use in the protection subsystem based on said protection subsystem design information utilizing said protection device physical properties data.

8. The method of claim 7, wherein said selected one or more of said plurality of protection devices includes a relief valve, a rupture disk, and/or an atmospheric conservation vent.

9. The method of claim 1, further including the steps of:

accepting updated process equipment information received from the user;

storing, in the database, said updated equipment information; and

automatically updating said protection subsystem design information based on said updated equipment information.

10. The method of claim 9, wherein said updating is done remotely by the user utilizing the Internet and wherein an indication of said updated protection subsystem design information is provided to the user via a web page.

11. The method of claim 1, wherein an indication of said protection subsystem design information is provided remotely to the user via a web page.

12. The method of claim 1, further comprising the steps of:

performing an assessment of said protection subsystem utilizing said protection subsystem design information, wherein said assessment includes an assessment of an adequacy of the protection , subsystem for protecting the process system based, on one or more failure scenarios, and

generating an assessment report based on said assessment indicating said adequacy.

13. The method of claim 1, further comprising the steps of:

supporting process engineering functions including one or more of the steps of;

uploading P&

ID and/or system sketches,

uploading equipment parameters,

uploading ISO drawings,

defining a protected system model,

defining potential overpressure scenarios for said system,

determining how physical properties are input into said evaluation system,

defining mitigation;

and automatically determining an adequacy of the protection subsystem for protecting the process system by including one or more of the steps of;

automatically generating internal protected system links between any combination of associated pieces of equipment, associated defined overpressure contingencies, and associated documentation,

generating interactive P&

ID/system sketch models,

calculating defined overpressure contingencies,

calculating piping losses,

accessing physical properties through a linked physical properties database, and

assigning mitigation procedures.

14. A method performed using a computerized system, said computerized system comprising a database, an input interface, an output interface, and a processor executing software, said computerized system configured for designing a protection subsystem for protecting a process system, said process system comprising a plurality of process equipment, said method comprising the steps of:

storing, in the database, process equipment physical properties data corresponding to the plurality of process equipment in the database;

storing, in the database, protection device physical properties data corresponding to a plurality of protection devices;

accepting, from a user using said input interface, process system design information describing a design of the process system;

storing said process system design information in the database;

automatically selecting;

using said processor executing software, one or more of the plurality of protection devices for proposed use in the protection subsystem, said selecting provided by utilizing at least a portion of;

said process system design information, said process equipment physical properties data, and said protection device physical properties data; and

automatically providing, using the output interface, an indication of the selected one or more of said plurality of protection devices to the user.

15. The method of claim 14, wherein said process system design information includes overpressure scenario information, and wherein said selecting is based on said overpressure scenario information.

16. The method of claim 15, further comprising the step of:

automatically determining a sizing for the selected one or more of said plurality of protection devices, said determining utilizing at least a portion of;

said process system design information, said process equipment physical properties data, said protection device physical properties data, and/or overpressure scenario information, wherein

said automatically selecting the one or more of said plurality of protection devices is based on said sizing.

17. The method of claim 16, wherein said automatically selecting includes selecting an optimum pressure relief valve.

18. The method of claim 16, wherein said selected one or more of the plurality of protection devices includes one or more of a relief valve, a rupture disk, inlet and/or outlet piping of a sufficient capacity, and/or an atmospheric conservation vent.

19. The method of claim 14, wherein said selected one or more of the plurality of protection devices includes one or more of a relief valve, a rupture disk, inlet and/or outlet piping of a sufficient capacity, and/or an atmospheric conservation vent.

20. A computerized system configured for designing a protection subsystem for protecting a process system, said process system comprising a plurality of process equipment, said computerized system comprising:

means for storing process equipment physical properties data;

an input interface for accepting, from a user, process system design information describing a design of the process system;

a computer subsystem executing software for automatically determining protection subsystem design information for protecting the process system, said determining utilizing at least a portion of the process system design information and the process equipment physical properties data; and

an output interface for automatically providing an indication of the protection subsystem design information to the user, wherein

said protection subsystem design information includes information identifying a source of one or more components of a potential subsystem design.

21. The computerized system of claim 20, wherein said protection subsystem design information includes a sizing of at least one overpressure relief device to protect equipment of said process system from overpressurization.

22. The computerized system of claim 21, wherein said sizing includes a determination of equipment operating and design parameters.

23. The computerized system of claim 20, wherein said protection subsystem design information includes sizing one or more of a relief valve, a rupture disk, inlet and/or outlet piping capacity, and/or an atmospheric conservation vent.

24. The computerized system of claim 20, wherein said protection subsystem design information is utilized for selecting an optimum pressure relief valve for said protection subsystem.

25. The computerized system of claim 20, wherein said process system design information includes one or more of:

equipment information pertaining to the process equipment, scenario information pertaining to the process equipment, process conditions in the process system, a type of relief device(s) desired in the protection subsystem, a number of relief devices desired in the protection subsystem, potential causes of overpressure, and/or materials used in the process system.

26. The computerized system of claim 20, further comprising:

means for storing protection device physical properties data; and

the computer subsystem executing software for automatically selecting one or more of the plurality of protection devices for use in the protection subsystem based on said protection subsystem design information and said protection device physical properties data.

27. The computerized system of claim 26, wherein said means for storing process equipment physical properties data and said means for storing protection device physical properties data are comprised in an object-oriented database.

28. The computerized system of claim 26, wherein said selected one or more of the plurality of protection devices includes one or more of a relief valve, a rupture disk, and/or an atmospheric conservation vent.

29. The computerized system of claim 20, wherein

said computerized system is adapted for accepting, from a user, updated data including updated process equipment physical properties data and/or updated process system design information denoting an updated design of the process system, and wherein

said computerized system is further adapted for storing said updated data, and further wherein

said design information is automatically updated utilizing said updated data and an indication of said updating is automatically provided to the user.

30. The computerized system of claim 29, wherein said updating is done remotely by the user accessing the computerized system utilizing the Internet, and wherein said indications are provided via a web page served by the computerized system to the user.

31. The computerized system of claim 20, wherein said indication is provided by a web page served by the computerized system to the user via the Internet.

32. The computerized system of claim 20, wherein:

said computer system is further adapted for performing an assessment of an adequacy of the protection subsystem for protecting the process system, wherein said assessment includes an assessment of the process system based on one or more failure scenarios, and wherein

said output interface is adapted for displaying an assessment report generated by said computer subsystem based on said assessment.

33. The computerized system of claim 20, wherein said means for storing a plurality of protection device information and said means for storing protection device physical properties data are comprised in an object-oriented database.

34. A computerized system configured for designing a protection subsystem for a process system, said process system comprising a plurality of process equipment, said computerized system comprising:

a database for storing process equipment physical properties data each associated with a corresponding one of the plurality of process equipment;

a database for storing protection device physical properties data each associated with a corresponding one of a plurality of protection devices;

an input interface adapted for accepting, from a user, process system design information describing a design of the process system;

a database for storing said process system design information;

a computer subsystem adapted for automatically selecting one or more of said plurality of protection devices for proposed use in the protection subsystem, said selecting provided by utilizing at least a portion of;

said process equipment physical properties data, said protection device physical properties data, and said process system design information; and

an output interface for providing an indication of the selected one or more of said plurality of protection devices to the user.

35. The system of claim 34, further comprising:

the computer system being further adapted for automatically determining a sizing for the selected one or more of said plurality of protection devices, said determining a sizing utilizing at least a portion of one or more of said process system design information, said process equipment physical properties data, said protection device physical properties data, and/or overpressure scenario information, wherein

said automatically selecting the one or more of the plurality of protection devices is based at least in part on said sizing.

36. The system of claim 34, wherein

said database for storing the process equipment physical properties data, said database for storing the protection device physical properties data, and said database for storing said process system design information are all comprised in an object-oriented database, and wherein

said database links said process equipment physical properties data to process equipment description information, and also links said protection device physical properties data to protection device equipment information.

37. The system of claim 34, wherein said system is adapted to support a remotely located user such that said input interface and said output interface act in concert with a user computer connected to said computerized system via the Internet for the user remotely accessing said computerized system.

38. The system of claim 34, wherein said process system design information includes overpressure scenario information.

39. The computerized system of claim 34, wherein said selected one or more of the plurality of protection devices includes one or more of a relief valve, a rupture disk, inlet and/or outlet piping capacity, and/or an atmospheric conservation vent.

40. The computerized system of claim 34, wherein said selected one or more of the plurality of protection devices includes an optimum pressure relief valve for said protection subsystem.

41. The computerized system of claim 34, wherein said computerized system selects said one or more of the plurality of protection devices at least partially based on one or more of:

equipment information pertaining to the process equipment, scenario information pertaining to the process equipment, process conditions in the process system, a type of relief device(s) desired in the protection subsystem, the number of relief devices desired in the protection subsystem, potential causes of overpressure, and/or materials used in the process system.