lunch presentation a new rov dp - dynamic positioning · a new rov dp - seetrack offshore...

Lunch Presentation

A New ROV DP

Iosela TenaSeeByte Ltd., UK

October 9-10, 2007

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A New ROV DP A New ROV DP -- SeeTrackSeeTrack OffshoreOffshore

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Advanced DPAdvanced DP

Dynamic Positioning Conference

www.seebyte.com

September 2007

© BP



Advanced DP ROVAdvanced DP ROV

SeeTrack Offshore helps Offshore

Operators and Contractors alike

reducing production downtime by

providing DP to ROVs




Top SideTop Side

Core RealCore Real--Time MonitoringTime Monitoring

Mission PlanningPost-ProcessingAutomatic Report Creation

Riser Tracking Obstacle AvoidancePipe Tracking Auto Docking

Core DP ModuleCore DP Module




• Dynamic Positioning (DP) system for your ROV

• Effectively edits out current and tether effects

• Simple, intuitive turnkey system

• Demonstrated offshore on work-class ROV

• No modifications needed to ROV

• Simple plug-in retrofit

• Over 100 missions in the water so far



True DP True DP –– Absolute ReferenceAbsolute Reference

• Absolute Reference Station Keeping

Heading

DVL

DepthJoystick



• Transit to target

• Point and click on piloting screen


• Starboard 10 metres and return

• Accurate waypoint following


True DP True DP –– Relative ReferenceRelative Reference

• Relative Reference Station Keeping

Heading

DVL

DepthJoystick



Pilot Screen

• Simple operational modes

• Significantly reduces pilot workload

• Fast and accurate transiting to locations

• Quality and consistency of data improved

• Compensates for current and tether effects

• No need to land on seabed or structure

• No need to grab onto structures

• Perfect still photos first time every time



Ease of UseEase of Use



Hover ResultsHover Results

1.00.100.020.02SeeTrack Offshore

6.00.400.100.60Typical Pilot

Heading (deg) Depth (m) Lateral (m) Forward (m)

SeeTrack Offshore has demonstrated improved hover performance. Using SeeTrack Offshore pilots do not need to land or grab to structures thus ensuring safer operations.



Improved Operations

10 min30 secStill Pictures*

5 min2 minDocking

20 min2 minManipulator Shackle

2 min50 secTransit 17 m

Typical Pilot**SeeTrack Offshore

SeeTrack Offshore has demonstrated improved operational performance. Performance should further improve with prolonged use, providing increased time savings.

* West of Shetland Trials

** Note times for manual operation are approximate based on observations carried out throughout the trials.



TimesaversTimesavers

• Operations safer, faster and easier

• Significantly reduces pilot workload

• Fast and accurate transiting to locations

• Quality and consistency of data improved

• Compensates for current and tether effects

• No need to land on seabed or structure

• No need to grab onto structures

• Perfect still photos first time every time



Summary of AchievementsSummary of Achievements

• Operated in West of Shetland and Gulf of Mexico in depths of up to 500m depth

• So easy that novice personnel can fly

• Quality and consistency of data much improved

• Manipulator operations are safer, easier and quicker

• Operated at up to 1.6 knots cross current and 5 feet heave so far

• System now turnkey and as per pilot needs

• System proved to work with observation and work-class ROVs



Interface RequirementsInterface Requirements

Input:

• Doppler for tracking seabed movement

• Heading and depth sensor from vehicle

Output:

• Plug into ROV joystick port, can switch between pilot and SeeTrack Offshore

• Failsafe pilot override

NO MODIFICATIONS NEEDED TO ROV



Contact Us:Contact Us:

[email protected]

www.seebyte.com

Call Us:

+44 (0) 131 447 4200


lunch presentation a new rov dp - dynamic positioning · a new rov dp - seetrack offshore...

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