Submarine pipeline

Simplified drawings showing three configurations used to tow subsea pipelines offshore to the planned installation site (not to scale).

Simplified drawings of three common systems used for the construction and installation of subsea pipelines (not to scale): S-lay, J-lay and reel.

A submarine pipeline (also known as marine, subsea or offshore pipeline) is a pipeline that is laid on the seabed or below it inside a trench. In some cases, the pipeline is mostly on-land but in places it crosses water expanses, such as small seas, straights and rivers. Submarine pipelines are used primarily to carry oil or gas, but transportation of water is also important. A distinction is sometimes made between a flowline and a pipeline. The former is an intrafield pipeline, in the sense that it is used to connect subsea wellheads, manifolds and the platform within a particular development field. The latter, sometimes referred to as an export pipeline, is used to bring the resource to shore. Sizeable pipeline construction projects need to take into account a large number of factors, such as the offshore ecology, geohazards and environmental loading – they are often undertaken by multidisciplinary, international teams.

单词	Offshore pipeline
释义	Offshore pipeline 原声例句 PBS英语讯息 Huntington Beach was hit hard after an offshore pipeline leaked 126,000 gallons, closing beaches and killing wildlife. 亨廷顿海滩遭受重创，该海底管道泄漏了12.6万加仑石油，导致海滩关闭，野生动物死亡。英语百科 Submarine pipeline A submarine pipeline (also known as marine, subsea or offshore pipeline) is a pipeline that is laid on the seabed or below it inside a trench. In some cases, the pipeline is mostly on-land but in places it crosses water expanses, such as small seas, straights and rivers. Submarine pipelines are used primarily to carry oil or gas, but transportation of water is also important. A distinction is sometimes made between a flowline and a pipeline. The former is an intrafield pipeline, in the sense that it is used to connect subsea wellheads, manifolds and the platform within a particular development field. The latter, sometimes referred to as an export pipeline, is used to bring the resource to shore. Sizeable pipeline construction projects need to take into account a large number of factors, such as the offshore ecology, geohazards and environmental loading – they are often undertaken by multidisciplinary, international teams.
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Offshore pipeline

Submarine pipeline