introduction to dynamic positioning - samunder...
TRANSCRIPT
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Introduction to Dynamic Positioning07 April 2011Capt. Sanjai JatarSVP, Projects and OperationsEMAS AMC Inc.
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Agenda
Safety Moment
What is DP?
DPO/Engineer Training Requirements
Typical work for DP vessels
Regulations and Guidelines
Questions
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SAFETY MOMENT
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BOMBAY HIGH FIELD - 27 July 2005
THE BHN DISASTER
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THE BHN DISASTER - Basic Facts
355 employees rescued, 13 missing; the worst accident in the history of ONGC
In terms of property loss, this has been the most serious accident in ONGC history.
A person on board the ship had broken his finger and needed medical attention, which was available on the offshore platform.
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Samudra Suraksha – DP 2 MSV - drifting and on fire
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Pictures taken from nearby Jackup Rig
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BHN structural failure
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BHN Process Platform – Before and After
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Historical Facts – Samudra Suraksha
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Saved Bombay Harbor and Atomic Power Plant
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4 x 1850 m3/hr water jets
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So……..What did this incident cost?The offshore Bombay High North platform
was insured for $195 million under ONGC's offshore package insurance policy.
The platform was totally lost in less than two hours along with a Pawan Hans helicopter positioned on it
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Root Cause ??
All this is the result of someone injuring their
finger, which set off this chain of events
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What is DP?
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What is DP?
IMCA DefinitionDynamic Positioning (DP) is a means to automatically
control vessel movement, keeping it in a desired location and heading or on a specific track, solely through the use of thrusters.
It is a technique used extensively in the many branches of the offshore oil and gas industry, including diving, ROV operations, survey and marine construction, all over the world.
Source: IMCA
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Principles of DP
Source: www.km.Kongsberg.com
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Typical DP system configuration
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DPO/Engineer Training Requirements IMCA M117
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What is needed to be a DPO
Education & Qualifications
Typically watch keeping deck officers
Other personnel can aspire to be DPO’s
Senior DPO’s are always watch keeping officers
Logbooks
Issued by Nautical Institute
Record of DP hours on vessels while operating on DP
Verified by Master on signing off a vessel
Certificates are issued by NI
Source: IMCA
DP Training
Phase 1 – Basic induction course
Phase 2 – Documented training on DP vessel for minimum 30 days
Phase 3 – Attendance at approved DP simulator course or on v/l
Phase 4 – Complete above and receive DP certificate after minimum 6 months supervised DP watch keeping
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DPO Flowchart
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Competency Recommendations Bridge watchkeepers on DP OSV’s
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DPO tasks under DP operations
Source: Kongsberg
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Equipment used or monitored under normal operations
Source: Kongsberg
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Engineers qualifications for DP
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Electrician/Electronics qualifications
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Other requirements
Medical Fitness
Generally UKOOA medical certificate – valid for 2 yrs
Locally a certificate of fitness from approved Dr.
Helicopter Underwater Egress Training (H.U.E.T)
Basic Offshore Survival (more common to see BOSIET certification approved by OPITO)
STCW for certified watch keeping officers
And.. A positive attitude to deal with multinational colleagues and remote locations for operations worldwide
Source: IMCA
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Vessel Classification and applicable regulations
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IMO DP Vessel Classification
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Regulations and Guidelines - DP OSV’s
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References
DNV Recommended Practice DNV-RP-E307
Dynamic Positioning Systems – Operation Guidance
IMCA
M -103 Guidelines for Design and Operation of DP Vessels
M – 117 Training and Experience of DP Personnel
M – 149 Common Marine Inspection Document (CMID)
M – 182 International Guidelines for Safe Operations of DP OSV’s
M - 203 Guidance on Simultaneous Operations (SIMPOS)
M – 166 Guidance on Failure Modes & Effects Analyses (FMEA’s)
IDPOA (www.dpoperators.org )
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Types of Vessels fitted with DP and work performed
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Vessel Layouts
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to edit this text Slide 35
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DP Operator Workspace
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Typical DP Vessels
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BOA Sub C
BOA Deep C
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SNAME Texas Section – 13 April 2010 Slide 39
Heavy-lift vessels / crane shipsPipelay vessels
Sources: cdiver.net, hmc.heerema.com
DCV Balder
Deep Blue
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SNAME Texas Section – 13 April 2010 Slide 40
Dive Support vessels (DSV)ROV vessels, AHTS vessels
DSV Toisa Polaris
ROV Support Vessel Seisranger
Soruces: www.subsea7.com, www.maersksupplyservice.com
AHTS Vessel Maersk Attender
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Drill Ships
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DP Shuttle Tanker and HiLoad System
Source: HiLoad
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Equipment on MSV’s
Deck spaceCrane and/or A&R winches
DP Class 2 or 3
Permanent ROVs inside hangars Anti-roll system -
passive or active
Accommodations
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EMAS AMC | Offshore Construction
Strong Construction Assets Portfolio
Enterprise 3Conventional/ heavy lift/ pipe-lay/ accommodation.
Lewek ChampionDP2/rigid pipelay/ heavy lift/ accommodation
Lewek FalconMFSV/deepwater multi -function construction with deepwater installation and construction capabilities
Lewek Crusader Heavy lifting/flex lay/ accommodation
Lewek ToucanDiving/construction support with deepwater installation and construction capabilities
Boa Deep CDeepwater construction
Boa Sub CDeepwater construction/flex lay
AMC ConnectorDeepwater construction/ heavy lift/flex lay
Lewek ConstellationIce-class subsea multi-lay vessel with heavy lift
Lewek AmbassadorMulti-purpose offshore support with IMR capabilities
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Common Tasks of MSV’s
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SNAME Texas Section - 13 April 2010 Slide 46
SURF Equipment installation
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ROV Launch & Recovery
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ROV Operations
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Umbilical/Flexible Installation
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Lay Systems for Rigid and Flexible Lines
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Slide 51
Installation and Towing
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Fire Fighting
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Well Intervention
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Mooring System Installation
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Mooring and Riser Hook Up
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Drag Anchor Installation
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Suction Anchor Installation
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Driven Pile Anchor Installation
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Dive Support
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Saturation Diving
Dive support operations
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SIMOPS
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SIMOPS Identification and Planning
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Lead to …. Safe & Smooth Operations
BOA Sub C
BOA Deep C
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DP Training
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April 2010 Slide 65
EMAS Training Academy & Simulation Centre
• Modern facilities• Dedicated rooms for different types of simulations• Class room facilities
Training concept developed in collaboration with Maersk and further enhanced
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April 2010 Slide 66
EMAS training Academy & Simulation Centre - Anchor Handling training with DP- Winch – Weather – Incident simulations
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April 2010 Slide 67
EMAS training Academy & Simulation Centre - Basic Ship Handling, Voyage Management and Engine Room simulations
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Thank You!Disclaimer: This material includes forward-looking statements prepared by Ezra Holdings Limited (“Company”). The opinions, forecasts, projections or other statements other than statements of historical fact, including, without limitation, estimates of proved reserves of oil and gas, reserves potential and plans and objectives of management of the Company for financing, are forward-looking statements. Although the Company believes that the expectations reflected in such forward-looking statements are reasonable, it can give no assurance that such expectations will prove to have been correct. All forward looking-statements contained in this presentation are expressly qualified in their entirety by the cautionary statements contained or referred to in this section. Readers should not place undue reliance on forward-looking statements. Each forward looking statement speaks only as of the date of this presentation. Neither the Company nor any of its subsidiaries and associates undertake any obligation to publicly update or revise any forward-looking statement as a result of new information, future events or other information. In light of these risks, results could differ materially from those stated, implied or inferred from the forward-looking statements contained in this presentation.