Method and apparatus for off-rig processing rig sensor data

• US 9,260,942 B2
• Filed: 12/04/2008
• Issued: 02/16/2016
• Est. Priority Date: 12/05/2007
• Status: Active Grant

• Current Assignee: Schlumberger Technology Corporation (Schlumberger NV)
• Original Assignee: Schlumberger Technology Corporation (Schlumberger NV)
• Inventors: Hutin, Remi, Yu, Han, Tang, Xueyuan, Estevez, Carlos E., Reed, Christopher P.
• Primary Examiner(s): Lee, Paul D
• Application Number:
  US12/745,817
• Publication Number:
  US 20100256914A1
• Time in Patent Office: 2,630 Days
• Field of Search: 702 9- 13, 702 45- 54, 702118-124, 702182-190, 702/6, 702/17
• US Class Current: 1/1
• CPC Class Codes: E21B 41/00 Equipment or details not covered by groups E21B15/00 - E21B40/00
• CPC Class Codes: E21B 44/00 Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
• CPC Class Codes: G01V 1/48 Processing data
• CPC Class Codes: G01V 1/50 Analysing data
• CPC Class Codes: H04L 47/12 Avoiding congestion; Recovering from congestion

Abstract

Systems and methods for monitoring and/or operating a rig site system are provided. In accordance with one embodiment, a method for monitoring a rig site system may include obtaining sensor data at a rig site and transmitting pre-processed sensor data pertaining to the sensor data from the rig site over a network link to a monitoring site. The method may also include demodulating the pre-processed sensor data at the monitoring site to produce demodulated data. The method may also include analyzing the demodulated data at the monitoring site. The sensor data may comprise at least one of surface sensor data, MWD sensor data, or LWD sensor data, or any combination thereof.

Claims

1. A method for monitoring a rig site system, comprising:

obtaining sensor data at a rig site;

compressing the sensor data to produce pre-processed sensor data having a reduced bandwidth for transmission;

transmitting the pre-processed sensor data pertaining to the sensor data from the rig site over a primary network link or a backup network link to a monitoring site, wherein the primary network link automatically switches to the backup network link when the primary network link is unavailable, and the backup network link automatically switches back to the primary network link when the primary network link becomes available;

demodulating the pre-processed sensor data at the monitoring site to produce demodulated data;

demodulating the pre-processed sensor data at the rig site substantially simultaneously with respect to demodulating the pre-processed sensor data at the monitoring site to produce redundantly demodulated pre-processed sensor data at the rig site;

generating a rig site display at a first user interface at the rig site, the rig site display comprising;

the redundantly demodulated pre-processed sensor data, wherein the first user interface is configured to receive one or more commands from a user that adjusts a rig site parameter based on the user'"'"'s command;

generating a monitor site display at a second user interface at the monitoring site, the monitor site, display comprising demodulated pre-processed sensor data displayed at substantially the same time the redundantly demodulated pre-processed sensor data is displayed on the first user interface, wherein the second user interface is configured to receive one or more off-rig commands from an off-rig user that adjusts a rig site parameter based on the user'"'"'s off-rig command; and

analyzing the demodulated data at the monitoring site.

2. The method of claim 1, further comprising redundantly demodulating the pre-processed sensor data at the rig site.

3. The method of claim 1, wherein the sensor data comprises at least one of surface sensor data, measurements while drilling sensor data, or logging while drilling sensor data.

4. The method of claim 1, further comprising filtering the pre-processed sensor data at the monitoring site.

5. The method of claim 1, further comprising performing a transform on the pre-processed sensor data at the monitoring site.

6. The method of claim 1, further comprising encrypting the sensor data to produce pre-processed sensor data.

7. The method of claim 1, further comprising adjusting one or more system parameters at the monitoring site to produce a change at the rig site.

8. The method of claim 7, further comprising transmitting the system parameters to the rig site via the network link.

9. The method of claim 1, wherein a ratio of a bandwidth of the sensor data to a bandwidth of e pre-processed sensor data is between 4:

1 and 240;

1.

10. A rig site monitoring system, comprising:

a local data acquisition system configured to receive sensor data at a rig site, wherein the local data acquisition system comprises a local processor configured to pre-process the sensor data by compressing the sensor data to produce pre-processed sensor data having a reduced bandwidth for transmission;

a primary network link configured to transmit the pre-processed sensor data from the rig site to a monitoring site;

a backup network link configured to transmit the pre-processed sensor data from the rig site to the monitoring site when the network link is unavailable, wherein the system automatically switches to the backup network link when the primary network link is unavailable, and the system automatically switches back to the primary network link when the primary network link becomes available;

an off-rig monitoring and control system located at the monitoring site, Wherein the off-rig monitoring and control system comprises an off-rig processor configured to demodulate the pre-processed sensor data to produce demodulated data substantially simultaneously with respect to demodulation of the pre-processed sensor data by the local processor configured to produce redundantly demodulated pre-processed sensor data, wherein the off-rig processor is further configured for analysis of the rig site based on the demodulated data;

a first user interface at the rig site configured to display the redundantly demodulated pre-processed sensor data, wherein the first user interface is configured to receive one or more commands from a user that adjusts a rig site parameter based on the user'"'"'s command; and

a second user interface at the monitoring site configured to display the demodulated pre-processed sensor data at substantially the same time the redundantly demodulated pre-processed sensor data is displayed on the first user interface, wherein the second user interface is configured to receive one or more off-rig commands from an off-rig user that adjusts a rig site parameter based on the user'"'"'s off-rig command.

11. The system of claim 10, wherein the local data acquisition system is configured to redundantly demodulate the pre-processed sensor data.

12. The system of claim 10, wherein the off-rig monitoring and control system is configured to perform a transform on and filter the pre-processed sensor data.

13. The system of claim 10, wherein the primary network link comprises a plurality of redundant networks.

14. The system of claim 13, wherein the plurality of redundant networks comprises at least one of a satellite system and a cellular system.

15. The system of claim 10, wherein a ratio of a bandwidth of the sensor data to a bandwidth of the pre-processed sensor data is between 4:

1 and 240;

1.

16. A rig site monitoring system, comprising:

a local data acquisition system configured to receive sensor data at a rig site, wherein the local data acquisition system is configured to pre-process the sensor data by compressing the sensor data to produce pre-processed sensor data having a reduced bandwidth for transmission, wherein the local data acquisition system is also configured to redundantly demodulate the pre-processed sensor data at the rig site;

a primary network link configured to transmit the pre-processed sensor data from the local data acquisition system to a monitoring site, wherein the monitoring site is configured to receive pre-processed sensor data from multiple local data acquisition systems located at different rig sites, each rig site of the different rig sites including a separate oil rig;

a backup network link configured to transmit the pre-processed sensor data from the rig site to the monitoring site when the network link is unavailable, wherein the system automatically switches to the backup network link when the primary network link is unavailable, and the system automatically switches back to the primary network link when the primary network link becomes available;

an off-rig processor located at the monitoring site, wherein the off-rig processor is configured to demodulate the pre-processed sensor data to produce demodulated data substantially simultaneously with respect to demodulation of the pre-processed sensor data by the local data acquisition system configured to redundantly demodulate the pre-processed sensor data to produce redundantly demodulated pre-processed sensor data;

a first user interface at the rig site configured to display the redundantly demodulated pre-processed sensor data, wherein the first user interface is configured to receive one or more commands from a user that adjusts a rig site parameter based on the user'"'"'s command; and

a second user interface at the monitoring site configured to display the demodulated pre-processed sensor data at substantially the same time the redundantly demodulated pre-processed sensor data is displayed on the first user interface, wherein the second user interface is configured to receive one or more off-rig commands from an off-rig user that adjusts a rig site parameter based on the user'"'"'s off-rig command.

17. The system of claim 16, wherein rig site adjustments are transmitted via the primary network link to the local data acquisition system.

18. The system of claim 16, wherein the local data acquisition system is configured to perform a transform on the pre-processed sensor data.

19. The system of claim 16, wherein the local data acquisition system is configured to filter the pre-processed sensor data.

20. The system of claim 16, wherein the off-rig processor located at the monitoring site is configured to perform a transform on and filter the pre-processed sensor data.

21. The system of claim 16, wherein the local data acquisition system is configured to encrypt the pre-processed sensor data.

22. The system of claim 16, wherein the primary network link comprises a plurality of redundant networks, wherein the redundant networks include at least one of a satellite system and a cellular system.

23. The system of claim 16, wherein the second user interface is coupled to the off-rig processor.

24. The system of claim 16, wherein at least one of the first user interface or the second user interface is further configured to adjust settings of the local data acquisition system, wherein the settings are transmitted to the local data acquisition system via the primary network link.

25. The system of claim 24, wherein the settings are received by command of a user or implemented automatically by the off-rig processor.

26. The system of claim 16, wherein a ratio of a bandwidth of the sensor data to a bandwidth of the pre-processed sensor data is between 4:

1 and 240;

1.

27. The system of claim 16, wherein the monitoring site receives pre-processed sensor data from local data acquisition systems located at two or more rig sites.

28. The system of claim 27, wherein the monitoring site further comprises a user interface configured to display the pre-processed sensor data from the two or more rig sites.

29. The system of claim 28, wherein the user interface at the monitoring site is configured to receive commands from a user, and wherein the user can adjust a rig site parameter at one or more of the two or more rig sites.

30. The system of claim 29, wherein the pre-processed sensor data comprises at least one of surface sensor data, measurements while drilling sensor data, or logging while drilling sensor data.

31. A method for monitoring a rig site system, comprising:

acquiring sensor data at a rig site;

pre-processing the sensor data at the rig site by compressing the sensor data to produce pre-processed sensor data having a reduced bandwidth for transmission;

transmitting the pre-processed sensor data from the rig site over a primary network link or a backup network link to a monitoring site, wherein the primary network link automatically switches to the backup network link when the primary network link is unavailable, and the backup network link automatically switches back to the primary network link when the primary network link becomes available;

demodulating the pre-processed sensor data at the monitoring site to produce demodulated data;

demodulating the pre-processed sensor data at the rig site substantially simultaneously with respect to demodulating the pre-processed sensor data at the monitoring site to produce redundantly demodulated pre-processed sensor data at the rig site;

generating a rig site display at a first user interface at the rig site, the rig site display comprising the redundantly demodulated pre-processed sensor data, wherein the first user interface is configured to receive one or more commands from a user that adjusts a rig site parameter based on the user'"'"'s command; and

generating a monitor site display at a second user interface at the monitoring site, the monitor site display comprising demodulated pre-processed sensor data displayed at substantially the same time the redundantly demodulated pre-processed sensor data is displayed on the first user interface, wherein the second user interface is configured to receive one or more off-rig commands from an off-rig user that adjusts a rig site parameter based on the user'"'"'s off-rig command.

32. The method of claim 31, further comprising analyzing the demodulated data at the monitoring site.

33. The method of claim 32, further comprising adjusting rig site system parameters based on the demodulated data at the monitoring site.

34. The method of claim 33, wherein adjusting the rig site system parameters comprises receiving a command of a user or automatically implementing an adjustment stored in a memory by a processor.

35. The method of claim 31, further comprising:

generating the rig site display by processing the pre-processed sensor data a e rig site; and

generating the monitoring site display, wherein generating the rig site display and generating the monitoring site display are performed approximately simultaneously.

36. The method of claim 35, wherein generating the rig site display and generating the monitoring site display are synchronized substantially in real time.

37. The method of claim 31, wherein a ratio of a bandwidth of the sensor data to a bandwidth of the pre-processed sensor data is between 4:

1 and 240;

1.