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The 4 Basic Components of Single Point Moorings

Published  by Stewart Technologies on March 18, 2016

During off-shore oil and gas production operations, single point moorings provide a safe way to offload petroleum products to tankers, operating as both a buoy system to keep the ship in position and as a connection to the sub-sea pipeline and riser system to move the petroleum products from the production platform to the tanker.

Single point mooring systems have several critical parts, and they must all operate together properly to safely and efficiently load the tanker. They must also be able to withstand large forces from the movement of the ship on the ocean, wave action, tidal forces, surface weather, undersea pressures and both horizontal and vertical movements.

Here are some of the most important parts of single point moorings, and how they help to complete the off-loading process successfully:

#1 The Buoy

The buoy typically consists of a set of legs that connect it to the sea floor and a body section, which is located at the surface. The body can freely spin around the leg section, due to a roller-bearing system that permits free rotation. This allows ships that are moored to the buoy to freely move around it, according to the movements of the ocean.

Without this ability to rotate, ships attached to the buoy would exert large amounts of extra force on the buoy system, potentially resulting in a failure of the lines anchoring the ship to the buoy, or the lines anchoring the buoy to the sea floor. During loading operations, this could cause safety problems, as the ship breaks free and moves unexpectedly, or environmental consequences if it causes a spill of petroleum products.

A properly-designed buoy system should be able to handle all the horizontal, vertical and rotational forces exerted on it while safely delivering oil or gas to the tanker.

#2 The Anchoring System

The buoy is attached to the seafloor with either anchors or a pile system, in most cases. Anchors provide a temporary attachment system by sinking a large mass, such as concrete, to the sea floor to provide a stationary weight, by embedding into the seafloor itself, or by attaching to an existing sub sea feature, such as a large mass of rock or a crevice. For a more permanent attachment system, piles can be driven into the seafloor to provide a solid anchoring system.

Once the anchor and the buoy are in place, anchor chain, or sometimes synthetic or metal cables, are run from the anchors or piles on the seafloor up to the buoy itself, providing a secure attachment.

Each of the components in the anchoring system must be able to withstand the corrosive effects of salt water, as well as the natural forces of the ocean, including waves, weather, and pressure. Most anchoring systems are built to withstand some small amounts of movement, which helps prevent fatigue and the structural failures that can result from the forces acting against the system.

#3 The Petroleum Loading System

The buoy is connected to a pipeline system that is located on the seafloor. This pipeline carries oil or gas from the well and distributes it through a pipeline end manifold to a system of risers that bring it to the surface of the ocean. These risers are typically flexible, allowing them to move along with the ocean currents and the movements of the buoy.

At the surface, the risers connect to the buoy, and the oil and gas is routed through a swivel system in the buoy’s body, allowing the output connections for the petroleum products to swivel along with the moments of the ship. The final connection from the buoy to the tanker is typically made with a floating hose system, which features breakaway connectors that prevent oil spills if the ship moves too far away from the buoy.

The swivel system contains a number of valves and seals that prevent oil or gas leaks, as well as supplemental connections for power, data or electrical signals in many cases. All of the seals and electrical connections are constantly subjected to rotational forces, friction and some horizontal and vertical movement. They must be carefully designed to withstand all of the stresses experienced during operation while minimizing the amount of maintenance required and the associated costs.

#4 Ship Mooring System

The deck of the buoy features a mooring point, to which one or two synthetic ropes are attached, depending on the size of the ship. The ropes are extended out to the tanker, where they are connected to a chafe chain that is extended from the tanker. The connection allows the ship to rotate around the buoy, and the floating hose system moves along with the ship. Each component must be carefully designed to handle the weight of the ship and the forces exerted on it by the movement of the ocean.

Optional Components

Typically, the buoy will have a boat dock for personnel to easily access the deck, as well as fenders or bumpers to prevent damage to the buoy. It may also have an integrated power system, weather equipment, navigation aids, or cranes and other equipment for maneuvering large loads, as well as safety equipment.

Improving the Design of Single Point Moorings

To design a long-lasting and structurally-sound single point mooring system, it is wise to invest in both a structural design analysis and a hydrodynamic analysis. By scrutinizing the structural components and modeling how each behaves under the conditions present in a marine environment, including wave action, high pressures, tidal forces, variable weather and corrosive forces, the design of each component can be optimized to ensure that it will perform well under the worst conditions, with a suitable design life and minimal maintenance. With hydrodynamic analysis, every possible component can be modeled and improved, from the shackles connecting the mooring lines to the anchoring system, to the buoy itself.

With a properly-designed single point mooring system, operational costs can be significantly reduced, production efficiency can be increased, safety can be improved and the environment can be better protected.



4 Ways Riser Analysis Can Reduce Costs and Improve Performance

Published By:Stewart Technologies on: February 18, 2016

During exploration and production operations in both the gas and oil industry, the riser is a critical component in the process. Production risers bring gas and oil to the surface for transportation and processing, and drilling risers inject mud and drilling fluids into the well bore during drilling operations.


As off-shore rigs move further and further away from land, the challenges in designing a riser that both performs well and rests damage from the natural forces acting on it underwater increase dramatically. Waves, tides, storm systems, high pressures and salinity all combine in an ocean environment to create a destructive force that slowly wears away at the riser, eventually causing structural failures or fluid leaks.

One of the best ways to prevent such problems is to have a riser analysis done, which models the effect of hydrodynamic forces on the riser components, allowing the design to be modified in order to make it more resilient.

Riser analysis is an important first step in any drilling operation, and when done correctly, it can have many benefits. Here are just a few of the ways that riser analysis can help you to save money and improve the performance of your exploration and production operations:

#1 Selecting the Best Type of Riser For the Situation

There are many types of risers common today, both rigid and flexible, and they each have strengths and weaknesses, deepening on the environment.

Attached risers are rigid structures that are connected to the side of a rigid platform, compliant tower or concrete gravity structure, connecting the well bore to the platform.
Pull tube risers run through the center of a fixed platform, and consist of an outer tube through which a flowline or pipeline is pulled from the sea floor.
A steel catenary riser is a curved riser used to connect the sea floor to a fixed or floating platform, or to connect two separate platforms.
A top-tensioned riser is a rigid vertical riser that ends just below a floating platform, with the final connection from the riser to the platform made with flexible pipe.
A riser tower is common in deep water environments, and uses a combination of a steel tower, buoyancy tanks for tension and flexible risers to deliver oil or gas to a floating platform.
Flexible risers are a hybrid system that is entirely flexible, allowing it to move both vertically and horizontally.
Drilling risers are rigid risers that are used only during the drilling process to inject drilling mud into the well.
Some types of risers are best used in shallow areas where the force at work on the system are minimal, and vertical or horizontal motion is limited. Other types of risers are used specifically for deeper waters, where the wave action, tides and pressure have a greater effect, and where there are significant amounts of both horizontal and vertical forces working on the riser and the production platform.

Selecting which type of riser will be the best in a certain situation can be difficult, but by performing a riser analysis, you can model the effects of wave action, tides, weather systems and other natural forces at a particular location. This data can then be used to select the best type of riser for the job, and avoid the costly mistake of choosing the wrong riser, then having to replace it after it proves to be an inefficient option for the region or when it fails completely.

#2 Improving the Riser Design

Once you have the basic type of riser selected, a riser analysis can help you to improve its design for use in a particular environment. By modeling the potential damage caused by corrosion, wave action, tides and pressure on the riser components, you can determine the weak spots in the design, and improve it to perform as expected in the field. This saves money by eliminating poor designs before they ever make into production.

The analysis can also be expanded to include moorings, lines, anchors and other components that are associated with the riser system, to make sure they are designed well for their intended use and placement.

#3 Reducing Maintenance Costs

Over time, the motion of the waves, the salinity of the ocean and the large amount of pressure under the water’s surface will cause riser and mooring components to fail, requiring significant amounts of labor to repair the problems.

By having a riser analysis done on your riser design, you can minimize the possibility of failure and reduce wear on structurally-significant components by modeling the hydrodynamic forces that are at work on the system. Using the results, the components can be replaced or redesigned to stand up to the forces better, reducing the amount of maintenance required, as well as the downtime and costs associated with it. This also helps to improve the safety of the rig workers, by reducing the amount of maintenance that must be performed and by making platform operation safer.

#4 Increasing Riser Performance

Riser analysis can also be used to model the fluid dynamics within the riser system itself. This will help to design a riser that transfers gas and oil to the surface, or drilling fluids to the well bore, in the most efficient way possible, increasing production amounts and the performance of the riser system.

Additionally, the analysis can help model the forces at work on gaskets and seals in the system, allowing them to be redesigned to last longer and to prevent spills. Leaks of oil, gas or drilling fluids can potentially have serious environmental effects, and by using riser analysis to design a better riser system, you can avoid environmental problems and the costs associated with the cleanup.

Riser analysis is an easy and affordable way to improve the design of your riser system, increase the performance of your exploration or production platform, reduce associated maintenance costs, and increase the overall safety of platform operation. One of the most common tools used for riser analysis is the OrcaFlex software package, which is capable of modeling the hydrodynamic forces present in nearly any marine environment, and it can help you to design and build a riser system that will withstand all of the forces present beneath the waves.


5 Things To Explore With Single Point Moorings

[Posted on March 23rd, 2015 by Bill Stewart]

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Single point moorings can be used as a station within the ocean for ships and oil rigs as a halfway point between where they need to be and land. It can help to save time and costs. The mooring is essentially a floating platform and when choosing to work with or build such a system, there are various things to explore.

The Materials

There are several aspects that go into single point moorings. This includes the anchor that is at the bottom of the ocean, the mooring line, and the connectors. The mooring line is ultimately what gets connected to the anchor and then goes up to the floating structure at the top of the water’s surface. The material of this line can vary from wire to chain to synthetic fiber rope. What is actually used will depend upon an array of environmental factors.

The right material needs to be used for the situation, otherwise it is possible for the line to break, causing the mooring to free float without being tethered down.

The Anchors

The entire system of a mooring relies on the strength of the anchor or anchors at the ocean floor. Analysis of soil composition needs to be made so the anchors are properly seated into the soil. There are such types of anchors as vertical load, suction, and drag embedment that can be used. If the wrong anchor is used, it can drag across the ocean floor, causing the mooring to sway and relocate.

The Actual System

There are several systems that can be used with a mooring. The ASCE will often speak about the different systems based upon the type of water that is being used. Single point moorings are ones that include a buoy, anchoring elements, mooring, and a product transfer system. These are most commonly used within the oil drilling industry, but it can be used for other industries as well. It’s important to understand that this is one of the many systems out there. Others include catenary, taut leg, dynamic positioning, and spread.


Some consideration has to be made as to where the mooring will be positioned. It cannot be placed simply anywhere in the ocean. There needs to be a plan as to where it goes based upon where the work locations are and where the land is. Further analysis of the ocean floor conditions may also need to be made.

Environmental Factors

Understanding the environmental factors are ultimately the most critical part of looking at a mooring. Some of the various factors that need to be considered include ocean waves, currents, and wind.

Analysis has to include the various environmental conditions of a project to determine how the mooring should be built and using what materials. At Stewart Technology Associates, we offer various analytical reports that can be useful.

5 Types of Marine Renewable Energy

[Posted on February 25th, 2015 by Bill Stewart]
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One of the latest trends in the green movement is discovering the many types of renewable energy. The ocean provides a wealth of opportunities for creating energy from natural resources. These are grouped together in the category of marine renewable energy. Energy carried via ocean temperature fluctuations, salinity, waves and tides create a form of kinetic energy. The goal for researchers is to determine how to harness this energy for electricity sources applicable to industries, homes and transportation systems. In addition to uncovering new ways to generate energy, here at Stewart Technology Associates we provide the capabilities for measuring these energy sources, such as via mooring analysis.

Wave Power

Wind used to form waves is created by the temperatures of the sun via solar energy. When wind interacts with the ocean’s surface, waves are generated. In terms of wave power, a wave that is found at between 30 and 60 degrees latitude, for both the northern and southern hemisphere, is most beneficial. For those researchers interested in harnessing wave power, various approaches must be considered. The four most popular approaches to this research include analysis of surface attenuators, overtopping devices, point absorber buoys, and oscillating water columns.

Tidal Power

As with wave power, tidal power also involves the movement of water. However, with tidal power the energy is generated through hydroelectric power. For those studying tidal power possibilities, there are three ways that tidal power is produced. These include dynamic tidal power, tidal stream power and tidal barrage power.

Marine Current Power

When the ocean fluctuates in salinity, temperature, wind and bathymetry, there is a fluctuation in marine currents. This form of marine renewable energy is most applicable to energy extraction methods, such as the powering of turbines. One issue that can affect the rate of marine current power is the presence of marine organisms. As a result, this form of power must be applied at distances far offshore, which involves lengthy power cables for its transmission.

Ocean Thermal Energy

Water temperatures vary according to its depths. For tropical waters, this difference in temperature is the greatest degree, which generates ocean thermal energy. This energy is most suitable for vaporization used for production of desalinized water or electrical generation on a localized scale.

Osmotic Power

Reverse osmosis is useful for converting salt water to fresh water. In the process, salinity gradient energy is created at the stage of conversion. While this is a new technology and form of marine renewable energy that is on the cusp of understanding by researchers, there is stronger possibility of its effectiveness, as being noted in Europe by researchers of the Netherlands and Norway. Finding ways to make renewable energy from the ocean is hopeful thanks to modernized technology and equipment. Contact Stewart Technology Associates today to learn more.

4 Reasons for Using OrcaFlex Software

[Posted on February 17th, 2015 by Bill Stewart]

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When searching for dynamic analysis options for offshore marine systems, OrcaFlex is at the top of the charts. For your business, this software program is geared toward user-friendly capabilities that are deep and wide in scope. Additionally, the applications for this program are exponential, offering you ample support options and abilities to expand your offshore marine systems analysis. Here are the four main reasons why we here at Stewart Technology Associates believe this is the best software program to meet your needs.

Offers a Wide Variety of Applications

The options for this particular software application are practically fathomless. For starters, you can apply OrcaFlex Software to the dynamic riser analysis, such as for hybrid riser systems or tensioned marine risers. Use the program to analyze moorings including oceanographic, aquaculture, spread and jetty mooring systems. Additionally, installation analysis for anchor/mooring deployment and riser installation is an ideal treatment for the use of this program. You can take this software and determine offshore lift dynamics, in addition to cable lay dynamics, to make the most of your time with offshore marine systems analysis.

Other applications that you can use this system for include through-splash zone deployment, seabed plough deployment, and J-Tube pull-in. Buoy systems are a breeze to analysis, whether you are working with metocean, SPAR or CALM buoys. If you are operating on defense systems, such as helicopter landing systems or minesweeping studies, or your company works with renewable energy via floating wind turbines or wave power systems, take the OrcaFlex system to task on your next assignment.

Multiple Capabilities for Performance

In addition to serving as a general provider of data analysis for nearly every offshore marine function known to man, this software will also function successfully as a library. Store your data within the program for future analysis, if desired, or to use for testing purposes. You can also use the software via automation to render your valuable time on other projects. Integration with 3rd party software is fully available with this offshore marine systems software program.

Who Can Use Offshore Marine Systems Software

As you can see by the lengthy applications for this program, there is a limitless number of businesses in the offshore marine sector that can benefit from this software. For instance, those functioning in ocean engineering, compliant marine renewables, aquaculture and seismic can directly relate to the analysis options provided with the program.

What is needed to Access the Software

In order to begin using this software, you will need a computer that has at least Windows Vista or Windows 7 platforms. However, it is fully capable of running using Windows 8, and 32- and 64-bit versions are supported. You will need to check your screen resolution, as there is the minimum requirement of 1024 x 768. Ideally your setup will include a high degree of memory performance due to the simulation and intensity of this program. Opt for a minimum of 4GB of memory for best results, and multi-core systems are optimal. To learn more about this type of offshore marine systems software, contact Stewart Technology Associates.

4 Key Features to Look for in Mooring Analysis Services

[Posted on February 10th, 2015 by Bill Stewart]

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When it comes to maintaining your dock and structures, there is no doubt you take the process seriously. There’s a lot to think about, too, including how you will maintain any necessary codes or how you will ensure that your marine structures are safe and secure for any type of application. It can be overwhelming especially when you do not have all of the information you need. With the help of our mooring analysis team, though, you’ll gain the information you need. No matter who you turn to for this service, it is important to choose a company that offers key features like those listed below.

#1: Turn to an expert with advanced skills

According to, mooring is a term used to describe the permanent structure that a vessel is secured against. That may be all you know about it. However, you’ll want to hire a team that’s advanced in their skills. You want a company with ample experience that you can rely on for any of your questions or needs.

#2: Technology makes a big difference

In mooring analysis, it is essential to turn to a professional that has ample experience but also the right technology. The right marine technology gives you the information and guidance you need when determining if your structure is safe and reliable. It is important choose services that use the most up to date technology for the industry so you get the best information possible.

#3: Choose a company that specializes in your specific need

It is also important to consider the type of services you need. There is a difference in the process and experience of the professionals in the various types of moors present. For example, you want a professional who can handle jetty moorings or harbor moorings. You may need one that works with large ships or those that have the advanced technology to handle small areas. It is a good idea to also discuss marine renewable energy and the company’s ability to meet your needs in that area. Not all providers offer the same quality and level of service, but it is important for you to look for these services.

#4: Choose a problem-specific solution

Moors come in all different shapes, styles, materials, and sizes. Their problems can be just as unique. It is often a good idea to turn to a company that specializes in the type of repairs you need. Do you have passing ship issues? Choose an organization that specializes in minimizing those risks. Mooring problems, according to, are numerous but all need reliable, effective attention from a specialized team.

When it comes to having mooring analysis done, who you hire matters. Choose a company that can address all of your concerns thoroughly so you get the information and results you want and need.

4 Things You Need to Know About Riser Analysis

[Posted on February 2nd, 2015 by Bill Stewart]

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When it comes to ensuring there are few accidents, riser analysis is an important preventative measure. It can also be one of the most important steps you take to learn about the repair needs and structural damage you are facing. Whether you have a traditional offshore drilling rig to manage or another underwater structure, having a well qualified professional to help you through the process is essential. It also helps to know as much as possible about what the process is and what you can expect from that company.

#1: What type of experience does the company have?

When it comes to high quality work, that is an understatement in this industry. You need a company that will provide you with exceptional service for your riser analysis. That means they should have ample experience. Even though new companies are always popping up, it takes experience to make the best decisions and to avoid missing even the smallest of details.

#2: What type of technology is in play?

One of the best ways to work with a company for this service is through technology. That is, you need a company that uses the latest in marine technology to comprehensively inspect your systems and structures. Look for a company that is using the cutting edge technology necessary to really ensure accuracy in the report provided. Because of the importance of details and comprehensive service, it is not beneficial to most property owners to use a company that is using anything less than the highest quality of technology. As reports, technology can help detect a wide range of problems. A program like Orcaflex, for example, is ideal.

#3: Do you even need this service?

According to, a marine drilling riser has a large diameter and there are various main tubes that carry product. There is high pressure present. There are incredible amounts of parts involved. For all of these reasons, it is critical to detect problems as soon as they happen or even before they do. For that reason, you may need to have this type of examination and analysis on a regular basis.

#4: What can you expect from the process?

When you hire a company to handle this process for you, you need to work with them one on one to ensure the process goes smoothly. You’ll also want to ensure that you ask any questions you have. Take some time to consider all of your options carefully. And, you can expect a smooth process when you have taken the time to hire the best in the business to handle your project.

When it comes down to it, riser analysis is nothing you should put off. It is something that you should invest heavily in when necessary and according to the standards in place in your area.

5 Ways Cable Dynamics Can Be Used On An Oil Rig

[Posted on January 20th, 2015 by Bill Stewart]

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The concept of cable dynamics has been used for many years. It has to do with virtually anything cable related to ensure stability, strength, and reliability. Different materials and different uses can impact the end result and when you are using cables on an oil rig, analysis needs to be conducted.


Understanding the full cable dynamics of a project will make it easier to train everyone involved. The the science of cables can be complex, but when everyone knows the limitations and the range, it will be easier for them to manipulate the rig and work within it. Various forms of analysis can also be used to stage various training scenarios so everyone knows how to make a repair when something goes wrong.


You should always be prepared for what’s going to happen on a rig, whether it is offshore or not. There’s a lot that can go wrong and it’s best to know what the various scenarios are. At Stewart Technology Associates, you can order all of the necessary analysis, including anchor analysis so that you have the various numbers and thresholds in front of you. With this documentation, you can go forward knowing that you have done all that you can to prepare for a specific project before going live with it.

Parts Selection

There are various oil rig parts and some are going to be better than others in certain scenarios. By having a firm grasp on the cable dynamics, you can be sure that the cables are chosen based upon the weight and pressure of the environment and that the materials are capable of enduring the heat, salinity, and other factors that will surround them.


Often, those who are funding an oil rig project want to see all of the documentation as well as all of the costs laid out ahead of time. Most financial supporters are savvy to the gas and oil industry and therefore they know that there are accidents that can happen. Your goal is to take the precautions to minimize accidents and therefore you want to supply investors with as much documentation as you can to show that due diligence has been taken and that cable dynamics has been considered throughout the construction of the rig as well as the entire strategy.

Risk Management

Risk management is another way to benefit from cable dynamics. The more you know about the cables, their resistance, and their overall durability, the more you can minimize risks. Especially offshore, you cannot allow for any injuries or accidents because help is not close by. Risk management is a combination of staff training, preparation, and overall analysis – and is not something that you can forget to do when establishing a project within the gas and oil industry. Stewart Technology Associates can help you every step of the way.

5 Reasons To Take Advantage Of Hydrodynamic Analysis

[Posted on January 13th, 2015 by Bill Stewart]

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Hydrodynamic analysis is the study of liquids in motion and more specifically, water. When you are engaging in any kind of offshore project, such as oil drilling or anything else, you have to know how the water is going to behave to be sufficiently prepared. There are five reasons why you want to invest in analysis that you can rely on.

Plan for Worst-Case Scenarios

It’s always best to plan for the worst-case scenarios because it is good for business. If you get out in the middle of the ocean and then suddenly have swells twice the size than what you were expecting, there are going to be problems with your project. Accidents can happen and you can lose equipment and even lose men. Many maritime accidents have occurred as a result of lack of planning and this can be avoided simply by obtaining hydrodynamic analysis.

Have the Right Equipment Onboard

There’s going to be a lot of equipment going onto your rig. The lines and cables that you bring will be able to deal with a certain amount of force. The power of ocean waves can be considerable and you don’t want to encounter issues where a cable breaks when a wave comes through. Knowing more about the power of the waves based upon where you will be will make it possible to acquire all of the right equipment.

Double Check Your Numbers

You may do a lot of the analysis on your own, though it’s a good idea to have a third party crunch them as well. When you are involved in offshore drilling, it’s always a good idea to double check numbers to make sure that all aspects have been covered and you aren’t making critical decisions based on old or inaccurate numbers.

Take Advantage of State of the Art Technology

State of the art technology can be used for obtaining hydrodynamic analysis. At Stewart Technology Associates, Orcaflex is the software used and it is known for providing some of the best numbers regarding various offshore projects, including cable dynamics. This gives you a clear understanding of what you will deal with out on the water to make better judgment calls and prepare everyone involved.

Train Your Staff

Training your staff is a step that cannot be taken lightly and hydrodynamic analysis can be used to help you determine what topics the training needs to cover. You want to talk to them about worst-case scenarios, run through safety drills, and do an array of other things so they are well prepared. Accidents are most likely to happen when the staff doesn’t know what to expect. You cannot afford to go out into the middle of the ocean and lose a team member, especially if it could have been avoided with a few hours of training.

5 Benefits To Single Point Moorings

[Posted on January 7th, 2015 by Bill Stewart]

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Single point moorings, sometimes referred as SPM, are floating docks that are used in offshore drilling as well as various other ocean-based projects. There are many benefits to them and can be useful when anchoring is not an option as well as when it is not conducive to going all the way back to shore.

Save Money

There is the opportunity to save a lot of money with single point moorings. When you look at the economics of oil drilling, much of the cost of oil has to do with the cost to actually acquire it. If the rigs have to go back and forth between the shore and the middle of the ocean, a significant amount of fuel is going to be used. The benefit to SPMs is that they can be located at a half-way point.

Save Time

Time is often of the essence when it comes to offshore drilling and moorings are capable of saving a lot of time. Without a mooring, a vessel would have to go all the way back to shore when it requires fuel, to drop off crude oil barrels, or to pick up supplies. The vessels are not known for speed and therefore it can slow a project down considerably. It is always best for business to finish projects on or before deadline and therefore utilizing moorings is good for business. It can be the needed halfway point to save days or even weeks of travel.

Extra Large Vessels Can Use the Moorings

It’s important to understand how a mooring works. Single point moorings are capable of handling extra-large vessels in a better capacity than certain loading docks and even certain anchor systems. This will allow the vessel to pull up to the mooring for a fuel fill up or to load/unload materials. A ship can simply be connected to the buoy using a series of lines and connectors – and the mooring will have sufficient space in most instances to make the connections easy to establish.

High Draft Ships Can Be Moored

A significant amount of hydrodynamic analysis needs to be done on ships to see how the draft, the waves, and various other environmental factors affect them. Single point moorings are capable of working with shifts that catch a high draft because the mooring can be accessed from any side, thus making it convenient for the ship to come up on the side that works best for them based upon the direction of the wind.

Large Amounts of Cargo Can Be Handled

Single point moorings can be built to handle a significant amount of weight. Stewart Technology Associates can determine the load capacities through analysis using state of the art technology. This analysis proves critical so you know whether a mooring can support the amount of cargo that you either need to pick up or drop off.

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