نتایج جستجو برای: offshore pipelines

تعداد نتایج: 24108  

2015
Shi-fu Zhang Chang Chen Dong-mei Zhang Fan Zhang

Aimed at wave load computation of floating hose, the paper analyzes the morphologic and mechanical characteristics of offshore hose by establishing the partially immersed cylender model, and points out that the results of existing Morison equation to calculate the wave loads of floating hose is not precise enough. Consequently, the improved Morison equation has been put forward based on its pri...

ژورنال: مهندسی دریا 2017

Stopping the production, heavy loss and environmental hazards are the outcomes of damaging the offshore pipelines. Several cases of damaging because of fishing activities and clash anchors are reported in the Persian Gulf annually. In this paper, response of pipeline against the traction of hooking the anchor and trawling the gear is studied. In other words, the strength of a pipeline against a...

J. Finlay J. Wang M. R. Miri Lavasani, Z. Yang

Fault Tree Analysis (FTA) as a Probabilistic Risk Assessment (PRA) method is used to identify basic causes leading to an undesired event, to represent logical relation of these basic causes in leading to the event, and finally to calculate the probability of occurrence of this event. To conduct a quantitative FTA, one needs a fault tree along with failure data of the Basic Events (BEs). Someti...

Ebrahim Jabbari, Mehdi Yaghoobi, Said Mazaheri,

Free spans or suspended spans normally occur in subsea pipelines due to the irregularity of seabed and byscouring phenomena around the installed non-buried pipeline. The hydrodynamic around the pipeline canlead to a vibration of the pipeline.This kind of vibration may cause fatigue damage to the pipeline. In orderto study the hydrodynamic around the pipeline, calculating the natural frequency o...

2006
Ove T. Gudmestad Sveinung Løset

For the development of production facilities in the Arctic, emphasis will be on the adequate design of structures and pipelines to resist the ice loads and on the requirements to a clean environment. However, the designers should take time to identify the most profitable development schemes by optimising the sales product from the field. This will put emphasis on the transport solution of the p...

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