IP Library › Granted Patent US 8,711,009
Granted Patent B2
US 8,711,009 · App. 13/104,608 · Granted Apr 29, 2014

Ice data collection system

Inventors: Rolf Christer Broman (Houston, TX); Dom P. Berta (Katy, TX); Khalid A. Soofi (Katy, TX)
Assignee: ConocoPhillips Company
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Quick Facts
Patent No.
US 8,711,009
App. No.
13/104,608
Granted
Apr 29, 2014
Kind
B2
Abstract

Unmanned Underwater Vehicles (UUV) collect and transmit information about ice floes with respect to their areal extent, vertical underwater profile, thickness, density, location, speed, direction and other properties to determine the possible trajectory of the ice floe. This information is used to alert drilling platforms in icy ocean conditions of pending ice floe dangers.

Claims (44)

1. A system for monitoring ice floe movement comprising:

a) a drilling structure;

b) one or more unmanned underwater vehicles (UUV) containing ice floe survey equipment for conducting an ice floe survey; and

c) a docking station for receiving data from said ice floe survey equipment,

wherein said UUV comprises an electric motor, one or more batteries, one or more control processors, and one or more data storage devices

wherein the ice floe survey provides up to 72 hours warning of incoming ice floes.

2. The system of claim 1 , wherein said UUV comprises one or more components selected from the group consisting of automated obstacle avoidance systems, on-board positioning systems, sonar sensors, processors, antennae, global positioning systems (GPS), long term and short term data storage, removable media, camera, avoidance systems, location systems, echo-locators, or homing systems.

3. The system of claim 1 , wherein said ice floe survey equipment selected from the group consisting of laser imaging detection and ranging (LIDAR), sound navigation and ranging (SONAR), upward looking SONAR (ULS), backscatter, and combinations thereof.

4. The system of claim 1 , wherein said one or more batteries consisting of alkaline batteries, lithium batteries, or long life batteries.

5. The system of claim 1 , wherein said UUV is launched or retrieved from a platform, drilling structure, an ice breaker, ice management ship, an underwater docking station, a shore based docking station, artificial island, remote station, or combinations thereof.

6. The system of claim 1 , wherein said ice floe survey provides approximately 1, 2, 3, 4, 5, 7.5, 10, 12.5, 15, 18, 24, 48 or 72 hour warnings of incoming ice floes.

7. The system of claim 1 , wherein said ice floes are classified based on risk including one or more of the following: speed, mass, density, age, trajectory, currents, weather, predicted path, and other environmental features.

8. The system of claim 1 , wherein satellite imagery and analysis of satellite images are coupled with UUV monitoring of ice floes, including calculation of one or more of the following: speed, mass, density, age, trajectory, currents, weather, predicted path, and other environmental features.

9. The system of claim 1 , wherein said system comprises an automated alert system that includes one or more of actions including: warning the drilling structure of probable contact with an ice floe, instructing one or more ice breakers to respond to possible contact with an ice floe, instructing personnel on the drilling structure to cease drilling operations in response to possible contact with an ice floe, instructing personnel on the drilling structure to evacuate in response to probable contact with an ice floe, monitoring ice floe approach, monitoring personnel response, monitoring drilling shut down, or monitoring well head uncoupling, and the like.

10. A process for monitoring ice floe movement comprising:

a) programming one or more unmanned underwater vehicles (UUV) to conduct an ice floe survey;

b) launching said UUV from a UUV launch location,

c) conducting an underwater ice floe survey whereby the UUV is sent to ice floes of interest;

d) retrieving the ice floe survey from said UUV after it conducts an underwater ice survey, and

e) transmitting the ice flow survey whereby the UUV attempts to surfaces within or near the ice floe of interest;

f) analyzing the ice floe survey for ice floes of interest,

wherein said UUV comprises an electric motor, one or more batteries, one or more control processors, one or more data storage devices, and one or more pieces of ice floe survey equipment

wherein the ice floe survey provides up to 72 hours warning of incoming ice floes.

11. The process of claim 10 , wherein said UUV comprises one or more components selected from the group consisting of automated obstacle avoidance systems, on-board positioning systems, sonar sensors, processors, antennae, global positioning systems (GPS), long term and short term data storage, removable media, camera, avoidance systems, location systems, or echo-locators, homing systems.

12. The process of claim 10 , wherein said ice floe survey equipment selected from the group consisting of laser imaging detection and ranging (LIDAR), sound navigation and ranging (SONAR), upward looking SONAR (ULS), backscatter, and combinations thereof.

13. The process of claim 10 , wherein said one or more batteries consist of alkaline batteries, lithium batteries, or long life batteries.

14. The process of claim 10 , wherein said UUV is launched or retrieved from a platform, drilling structure, an ice breaker, ice management ship, an underwater docking station, a shore based docking station, artificial island, remote station, or combinations thereof.

15. The process of claim 10 , wherein said ice floe survey provides approximately 1, 2, 3, 4, 5, 7.5, 10, 12.5, 15, 18, 24, 48 or 72 hour warnings of incoming ice floes.

16. The process of claim 10 , wherein said ice floes are classified based on risk including one or more of the following: speed, mass, density, age, trajectory, currents, weather, predicted path, and other environmental features.

17. The process of claim 10 , wherein satellite imagery and analysis of satellite images are coupled with UUV monitoring of ice floes, including calculation of one or more of the following: speed, mass, density, age, trajectory, currents, weather, predicted path, and other environmental features.

18. The process of claim 10 , wherein said system comprises an automated alert system that includes one or more of actions including: warning the drilling structure of probable contact with an ice floe, instructing one or more ice breakers to respond to possible contact with an ice floe, instructing personnel on the drilling structure to cease drilling operations in response to possible contact with an ice floe, instructing personnel on the drilling structure to evacuate in response to probable contact with an ice floe, monitoring ice floe approach, monitoring personnel response, monitoring drilling shut down, or monitoring well head uncoupling.

19. A remote ice floe monitoring system comprising:

a) a drilling structure with a tether comprising one or more unmanned underwater vehicle (UUV) docking stations;

b) one or more unmanned underwater vehicles (UUV) containing ice floe survey equipment; and

c) a docking station for receiving data from said one or more UUV docking stations,

wherein said UUV comprises an electric motor, one or more batteries, one or more control processors, and one or more data storage devices, and said one or more UUV docking station connects with one or more UUVs said connection comprising a power connection and a data connection to transmit ice floe survey information from said UUV to said UUV docking station.

20. The system of claim 19 , wherein said one or more UUV comprises one or more components selected from the group consisting of automated obstacle avoidance systems, on-board positioning systems, sonar sensors, processors, antennae, global positioning systems (GPS), long term and short term data storage, removable media, camera, avoidance systems, location systems, echo-locators, or homing systems.

21. The system of claim 19 , wherein said ice floe survey equipment selected from the group consisting of laser imaging detection and ranging (LIDAR), sound navigation and ranging (SONAR), upward looking SONAR (ULS), backscatter, and combinations thereof.

22. The system of claim 19 , wherein said one or more batteries consist of alkaline batteries, lithium batteries, or long life batteries.

23. The system of claim 19 , wherein said UUV is launched or retrieved from a platform, drilling structure, an ice breaker, ice management ship, an underwater docking station, a shore based docking station, artificial island, remote station, or combinations thereof.

24. The system of claim 19 , wherein said ice floe survey provides approximately 1, 2, 3, 4, 5, 7.5, 10, 12.5, 15, 18, 24, 48 or 72 hour warnings of incoming ice floes.

25. The system of claim 19 , wherein said ice floes are classified based on risk including one or more of the following: speed, mass, density, age, trajectory, currents, weather, predicted path, and other environmental features.

26. The system of claim 19 , wherein satellite imagery and analysis of satellite images are coupled with UUV monitoring of ice floes, including calculation of one or more of the following: speed, mass, density, age, trajectory, currents, weather, predicted path, and other environmental features.

27. The system of claim 19 , wherein said system comprises an automated alert system that includes one or more of actions including: warning the drilling structure of probable contact with an ice floe, instructing one or more ice breakers to respond to possible contact with an ice floe, instructing personnel on the drilling structure to cease drilling operations in response to possible contact with an ice floe, instructing personnel on the drilling structure to evacuate in response to probable contact with an ice floe, monitoring ice floe approach, monitoring personnel response, monitoring drilling shut down, or monitoring well head uncoupling.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 10, 2011
From: BROMAN, ROLF CHRISTER; BERTA, DOM P.; SOOFI, KHALID A.
To: CONOCOPHILLIPS COMPANY
Reel/Frame 026254/0521 →
Continuity (2)
Provisional Application 61349478 · May 28, 2010
Related Publication 20110291862A1 · Dec 1, 2011