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An Introduction to Dynamic Positioning System
Dynamic Positioning or DP as it is commonly known is a method of positioning specially designed marine vessels within predefined limits at sea using a combination of computers, thrusters, and position reference systems/units.
Dynamic Positioning System works on the principle of using propulsion to work against the effects of displacing forces such as wind, current and wave action. There are different types of vessels that make use of this system, which relates to either maintaining a position or following a pre-determined track for various jobs related to the offshore and the sub-sea culture.
The DP capable vessels, or DP ships as they are commonly known, are highly manoeuvrable, fully functional, and reliably self- propelled vessels, which do not require any tugs at any phase of their operations at sea. Vessels fitted with DP systems are capable of working in any depth or ocean environment.
Dynamic positioning systems are more commonly used in vessels that perform – Diving, Drilling, ROV, Pipe-laying, Cable-laying, FPSO’s, and Supply or Multi-purpose support operations. Although these operations are not limited to only the above mentioned ones, if need be, DP systems could be fitted to any type or shape of a sea-going vessel.
With the rise of increased research and developments in the offshore and sub-sea sectors, DP systems have evolved for various reasons such as, but are not limited to –
- Job effectiveness with the means of safe station keeping and manoeuvring. This is turn allows the system to be in command of very intricate operations in a safe and efficient manner.
- Financial flexibility and time saving in order to develop and maintain these systems.
- Operations wherein conventional systems such as sub-sea and platform moorings are not practicable in the offshore operations and for various other safety reasons.
- Where oil explorations require complex operations which cannot be undertaken solely by conventional vessels.
DP capable vessels can conclude short tasks rapidly, thus their operations evade the hazard of damaging the infrastructure in the seabed from their mooring lines and anchors. However, they require a higher capital investment and functioning expenditure. This is due to more consumption of fuel, costly equipment / systems and requirement of trained manpower to handle the systems.
A typical scenario wherein dynamic positioning system is used would be a Diving Support Vessel, which has to work on all four sides of a platform involved with sub-sea operations, moving around the platform quickly and safely with the help of the DP system. If DP system and technically sound systems are not used then the same operation would become extremely time consuming and practically unsafe. A DP vessel is therefore designed to handle more than what a conventional moored vessel can.
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The information on this website is for general purposes only. While efforts are made to ensure accuracy, we make no warranties of any kind regarding completeness, reliability, or suitability. Any reliance you place on such information is at your own risk. We are not liable for any loss or damage arising from the use of this website.
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About Author
Bikram Pal Singh is a professional mariner and blogger. He has sailed extensively, serving on various Oil tankers and Offshore Vessels. He enjoys reading and compiling notes about critical shipboard operations and crew psychology.
Disclaimer :
The information on this website is for general purposes only. While efforts are made to ensure accuracy, we make no warranties of any kind regarding completeness, reliability, or suitability. Any reliance you place on such information is at your own risk. We are not liable for any loss or damage arising from the use of this website.
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Kindly see the prices of the dynamic positioning vessels on your web site,and supply vessels, send us the specifications and let us have your contacts please.
Hello Sir,
I am presently sailing as a second mate on PCTC F.G vessel. I am very keen to serve onboard DP vessels. I know about the courses and the centres in India. But the only question remains is the job placement. Can you please enlighten me more on the companies who are looking to offer an assistance to freshers like me. As one would never gain experience until given a chance. There is wide spread thought shared among sailors that getting a job onboard DP vessels is not easy. But i say the luck favours the bold. I am ready to give my 100% for a chance to get into the DP career. Please provide me with some suggestions.
Thanks in advance
Regards
Binaya