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87 articles for “Offshore Structure”
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Oil Price Volatility
Abstract: Abstract Over the last 14 months, the average price of oil has gone down by about 60%. Oil prices fluctuate for a numerous of reasons. To name few are like, rise in global economic activity can bring demand and hail prices higher, while increasing production rates can cause prices to decline as well; although simple economic supply and demand tales are useful in describing the oil price movements. Keywords: Oil …
Published in Journal of Offshore Structure and Technology · Vol. 3, Issue 3, 2016 · pp. 38–40 Read article
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New Methods for the Prediction of Multiphase Flow through Wellhead Choke in Gas-Condensate Reservoirs
Abstract: Abstract The wellhead chokes are installed in order to stabilize oil and gas flow rates in production and operation disciplines. Most of the existing empirically derived correlations and predictive models to estimate choke performance have been proposed for oil fields production and operational conditions, and particularly production systems and reservoirs involved with condensation of the gaseous phase still suffer from a detailed consideration on the development of reliable predictive models. …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 1, 2017 · pp. 1–10 Read article
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Energy Security of India Through CIS Hydrocarbon Resources
Abstract: Abstract The commonwealth of independent states is a regional organization formed during the breakup of the Soviet Union. Nine out of the 15 former Soviet Republics are member states, and two are associate members (Ukraine and Turkmenistan). The quantum of hydrocarbon resources is enormous and it can satisfy the demand of hydrocarbon resources in India to a great extent. The IEA defines energy security as the uninterrupted availability of energy …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 1, 2017 · pp. 21–32 Read article
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Increasing Importance of LNG in Global Gas Trade
Abstract: Abstract Natural gas is fast emerging preferred fuel globally. In 2015, total globally traded liquefied natural gas (LNG) volumes reached 244.8 mt, a 4.7 mt increase over 2014. It marks an all-time high for LNG trade market, surpassing the previous high set in 2011 by 3.3 mt on the back of Fukushima accident in Japan. The changing dynamics is leading to entry of new suppliers and buyers in gas business. …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 1, 2017 · pp. 43–47 Read article
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Oil and Gas Infrastructure and the Overview of Its Application in the USA
Abstract: Abstract The USA business is extensive and differing, it is the key to the economy of the nation. It involves roughly more than 200,000 miles of pipe in all the 50 states joined, fluid hydrocarbon pipelines convey more than 40 million barrels for each day. That speaks to almost 22% of all cargo transported in the USA. Around 66% of the residential transport by (tons) per mile happens by pipeline; …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 2, 2017 · pp. 42–52 Read article
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Norway-Energy, Environment and Economic Policies
Abstract: Abstract The Kingdom of Norway or “Kongeriket Norge” is rich in resources such as in natural gas, petroleum, fish, minerals, fresh water and hydropower. Here, the oil and gas industry alone counts for one-fourth of the country’s GDP. On a per-capita basis, Norway is one of the world's largest producers of oil and natural gas other than the OPEC countries and FSU. Keywords: Kongeriket Norge, GDP, OPEC countriesCite this Article …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 2, 2017 · pp. 40–41 Read article
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Acoustic Logging Methods in Fractured and Porous Formations
Abstract: Abstract Formation fractures have significant importance in the rocks’ permeability of oil and gas reservoirs. In real conditions, the opening of vertical fractures exceeds the opening of horizontal fractures and the permeability of reservoirs in conditions of horizontal wells is higher than in vertical conditions. For the sonic log longitudinal waves, unlike the transverse waves, the attenuation rate strongly depends on the wave path direction. It is shown that the …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 2, 2017 · pp. 28–35 Read article
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Drilling [Opportunities and Threats] in Arctic
Abstract: AbstractTo drill or not to drill? The Arctic is changing and increasingly drawing the world’s interest. Perhaps the guarantee of this immense region was best compressed by the previous Secretary of State George Shultz, when he said that the opening of the Arctic is the best occasion in mankind's history since the happening to the ice age. As environmental change renders the Arctic progressively available, there has been a generous …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 2, 2017 · pp. 36–39 Read article
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A research note on a study of motion characteristics of tension leg spar
Abstract: The present research note, reports a study on the dynamic motion analysis of a tension leg spar (TLS). In the research note the time domain analysis is done using USFOS*TM software for a tension leg spar supporting a ‘National Renewable Research Laboratory (NREL)’ 5MW wind turbine at an operating depth of 320m to determine the dynamic responses of tension leg spar subjected to sea state 11 (=15m and =16sec). Motion …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 3, 2017 · pp. 1–20 Read article
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Analysis of Iran-Total Deal, Rise of the Natural Gas Behemoth
Abstract: AbstractThe article talks about Iran’s plans to revamp its oil and gas sector post sanctions removal. The changes in fiscal regime and its loop holes are also discussed in the article taking on the example of recent South Pars phase 11 deal. French IOC Total Oil entered deal with Iran for development and production of South Pars Phase 11. Total plans to spend $5 Billion throughout the project.Keywords: Natural, gas, …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 3, 2017 · pp. 21–22 Read article
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Production of Biodiesel from Vegetable (Soybean) Oil
Abstract: AbstractWe are living in a high time where we have to keep ourselves safe from the adverse effect pollution have on our nature, and in turn, on us. We see nowadays a very huge extent of pollution, and deaths this pollution and activities related to it causing. It is the need of the hour where we must opt for an alternative which is low on the pollution, and subsequently on …
Published in Journal of Offshore Structure and Technology · Vol. 5, Issue 1, 2018 · pp. 23–25 Read article
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Alternative Method of Bridge Girder Installation in River/Sea using Marine Barge
Abstract: AbstractThe conventional method for installation of bridge girder in between river stretch or near coast sea/creek area is difficult, expensive and time consuming. An alternative scheme to overcome the above constraints has been proposed and engineering calculations those are necessary have been discussed. An example of practical application of the proposed method has been included and discussed at length so that this alternative method can be applied wherever it is …
Published in Journal of Offshore Structure and Technology · Vol. 5, Issue 1, 2018 · pp. 6–22 Read article
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Recent Trends in Wave and Tidal Current Energy: A Review
Abstract: AbstractIn recent decades, the globally demand for renewable energy has continued to enhance, even with contrary economic conditions such as trade disputes, world economic recessions and falls in gas and oil prices. The potential of producing electric power from marine renewable energy is massive. Marine waves are being very familiar as a renewable resource to be exploited for the sustainable generation of electrical power. The expectable resource features style ocean …
Published in Journal of Offshore Structure and Technology · Vol. 5, Issue 1, 2018 · pp. 30–33 Read article
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Study on the use of limestone on scrubber system and desulfurization of high and low sulphur fuel oils in ships
Abstract: Starting January 2020, the shipping industry will undergo major changes in the way ships are powered for transportation. There will be a Sulphur cap of 0.5% on the use of marine fuel used in ships. The Sulphur cap on shipping fuel came with the world realizing the catastrophic effects of global warming and the melting of the ice caps, with climate change as an inevitable global issue. The purpose of …
Published in Journal of Offshore Structure and Technology · Vol. 7, Issue 1, 2020 · pp. 16–24 Read article
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Effect of Moonpool on Drillship Motions
Abstract: A moonpool is meant for access to the underwater part from the onboard ship. It is a vertical opening along with the depth having an effect on the performance of the floating platform. The water motion inside the moonpool of a drillship is mainly in horizontal sloshing mode and vertical piston mode. This water motion in horizontal or in vertical mode mainly depends on the cross-section of the moonpool, encountering …
Published in Journal of Offshore Structure and Technology · Vol. 7, Issue 1, 2020 · pp. 1–5 Read article
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Reduction of Greenhouse Gases by Carbon Neutral Fuels in Shipping
Abstract: The earth environment is changing very rapidly nowadays. Besides that, earth showing its disturbance in the form of natural disaster and rapid climate changes. It is believed to have started in the 18th century, as a result of industrial revolution. During this period, industries were developed rapidly without having any safety measures, which leads to accumulation of various poisonous gases in atmosphere called Greenhouse Gases (GHG). Its effect was also …
Published in Journal of Offshore Structure and Technology · Vol. 7, Issue 1, 2020 · pp. 32–40 Read article
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Study on the Failures of Raw Water Tower Structural Joints When the Air Gap of the Jack up Rigs is Increased
Abstract: 1. ABS Rules for Building and Classing Offshore Installations.2. Guidelines for Site Specific Assessment of Mobile Jack-up Units. SNAME T&R 5-5A.3. ABS. RP-2A, WSD, Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms- Working Stress Design. 21st Edn. Dec 2000; Suppl 1–3.4. Ohta T, Yamauchi H, Toriumi M. Design Method of Leg Structure of Jack-up Rigs. NKK Corporation, Engineering Research Centre, Kawasaki, Japan. 1st International Offshore and Polar Engineering …
Published in Journal of Offshore Structure and Technology · Vol. 6, Issue 1, 2019 · pp. 39–48 Read article
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Types of Offshore Wind Turbine Foundation & Loads Consideration : Review
Abstract: The energy is the most essential part of our system. But, the conventional type of energy is limited in nature therefore the non-conventional energy also known as renewable energy is gaining scope. The offshore wind energy is one of the most important types of renewable energy. For the foundation of offshore wind turbines, seabed condition is extreme and the environmental conditions are also extreme for the super structure and sub …
Published in Journal of Offshore Structure and Technology · Vol. 7, Issue 2, 2020 · pp. 32–45 Read article
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Review on Fatigue Behavior of Nut and Bolt
Abstract: This articles is study about the characterization of nut and bolt. Design standards and reticulated scripture have associated herewith after factory acceptance test (FAT) classes. Henceforth bolt and nut script has protocoled from accessible region merged fame from three multi-international continental design standards. These are the American Bridge Design Specifications AASHTO: 2012, the European Standard EN 1993-1-9:2005 and British Standard BS 7608:2014. Frequent applicability of bolted connection has scriptive issued …
Published in Trends in Machine design · Vol. 8, Issue 2, 2021 · pp. 21–29 Read article
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Corrosion Behavior of Welded Austenitic Stainless Steel in Different Environments
Abstract: Corrosion behavior of welded austenitic stainless steel in 0.5 M hydrochloric acid and wet-steam corrosive media has been studied. The immersion time in the corrosive media was 30 days to simulate the effect on stainless steel structures/equipment in offshore and food processing applications. Annealing heat treatment was carried out on the samples. The gravimetric technique was used for the corrosion tests. Seawater sample has highest weight loss of 4.0 mg …
Published in Journal of Industrial Safety Engineering · Vol. 1, Issue 3, 2014 · pp. 18–30 Read article