CONTROLLING SEISMIC SOURCES IN CONNECTION WITH A SEISMIC SURVEY

• US 20110305105A1
• Filed: 06/09/2010
• Published: 12/15/2011
• Est. Priority Date: 06/09/2010
• Status: Abandoned Application

• Current Assignee: WesternGeco LLC
• Original Assignee: WesternGeco LLC
• Inventors: Dean, Timothy James
• Application Number:
  US12/796,714
• Publication Number:
  US 20110305105A1
• Time in Patent Office: Days
• US Class Current: 367/14
• CPC Class Codes: G01V 1/003 Seismic data acquisition in general, e.g. survey design G01V1/3808, G01V1/42 take precedence

Abstract

A technique includes receiving requests from mobile seismic sources and organizing the requests in a queue. The seismic sources are associated with respective paths of a survey plan, and each request indicates that one of the seismic sources is ready for an action to be performed by the seismic source. The technique includes regulating an ordering associated with the requests based on survey parameters and responding to the requests according to the ordering.

Claims

1. A method comprising:

receiving requests from mobile seismic sources and organizing the requests in a queue, the seismic sources being associated with respective paths of a survey plan and each request indicating that one of the seismic sources is ready for an action to be performed by the seismic source;

regulating an ordering associated with the requests as the requests are being received based on survey parameters; and

responding to the requests according to the ordering.

2. The method of claim 1, wherein the regulating comprises basing the regulation in part on a determination of whether at least one of the seismic sources is behind schedule for advancing along the respective path.

3. The method of claim 1, wherein the survey parameters comprise:

parameters indicative of whether the seismic sources are experiencing difficulties during the survey.

4. The method of claim 1, wherein the survey parameters comprise:

parameters indicative of source group priorities.

5. The method of claim 1, wherein the act of receiving comprises

organizing the requests in a queue that defines the order based on ordered positions of the requests in the queue;

and

controlling the positions based at least in part on the determination.

6. The method of claim 5, wherein the act of responding comprises:

assigning the positions by default according to an order defined by a first in first out policy and changing the assigned default positions in response to determining that at least one of the seismic sources is behind the schedule.

7. The method of claim 5, wherein the act of responding to the request comprises:

assigning default priorities to the requests based on when the requests are received; and

selectively changing the default priorities based at least in part of the determination.

8. The method of claim 1, wherein the act of responding regulates movement of the seismic sources according to the survey plan.

9. The method of claim 1, wherein the mobile seismic sources comprise seismic vibrators.

10. The method of claim 1, wherein the mobile seismic sources are associated with varying moveup times along their respective paths and the act of responding comprises responding more timely to requests from a seismic source associated with longer moveup times than a seismic source associated with relatively shorter moveup times.

11. The method of claim 1, wherein the paths comprise source lines.

12. The method of claim 11, further comprising:

staggering the seismic sources along the source lines; and

performing the responding to cause only one of the seismic sources at a time to switch source line during a seismic survey.

13. An article comprising a computer readable storage medium storing instructions that when executed by a computer cause the computer to:

receive requests from mobile seismic sources and organize the requests in a queue, the seismic sources being associated with respective paths of a survey plan and each request indicating that one of the seismic sources is ready for an action to be performed by the seismic source;

regulate an ordering associated with the requests as the requests are being received based on survey parameters; and

respond to the requests according to the ordering.

14. The article of claim 13, the storage medium storing instructions that when executed cause the computer to base the regulation in part on a determination of whether at least one of the seismic sources is behind schedule for advancing along the respective path.

15. The article of claim 13, wherein the survey parameters comprise:

parameters indicative of whether the seismic sources are experiencing difficulties during the survey.

16. The article of claim 13, wherein the survey parameters comprise:

parameters indicative of source group priorities.

17. The article of claim 13, the storage medium storing instructions that when executed cause the computer to:

initially assign the ordering according to first in first out policy and change the initially assigned priorities in response to determining that at least one of the seismic sources is behind an associated schedule for advancing along the respective path.

18. The article of claim 17, wherein the mobile seismic sources are associated with varying moveup times along their respective paths, the storage medium storing instructions that when executed cause the computer to respond more timely to requests from a seismic source associated with longer moveup times than a seismic source associated with relatively shorter moveup times.

19. A system comprising:

a queue to receive requests from mobile seismic sources, the seismic sources being associated with respective paths of a survey plan and each request indicating that one of the seismic sources is ready for an action to be performed by the seismic source; and

a controller coupled to the queue to;

receive requests from mobile seismic sources and organize the requests in a queue based on survey parameters, and

respond to the queue based on the ordering.

20. The system of claim 19, wherein the survey parameters indicate whether at least one of the seismic sources is behind schedule for advancing along the respective path.

21. The system of claim 19, wherein the survey parameters comprise:

parameters indicative of whether the seismic sources are experiencing difficulties in the survey.

22. The system of claim 19, wherein the survey parameters comprise:

parameters indicative of source group priorities.

23. The system of claim 19, wherein

the queue is adapted to organize the requests according to a first in first out policy;

and

the controller is adapted to override the first in first out policy in response to the survey parameters.

24. The system of claim 23, wherein the controller is adapted to selectively change priorities of the requests received in the queue based at least in part on the survey parameters.

25. The system of claim 19, further comprising:

the seismic sources.

26. The system of claim 25, further comprising:

seismic receivers to receive seismic energy produced by the seismic sources.

27. The system of claim 19, wherein the paths comprise source lines.

28. The system of claim 19, wherein the controller is adapted to:

stagger the seismic sources along the source lines; and

regulate the responding to cause only one of the seismic sources at a time to switch to another source line during a seismic survey.