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Riser support system

A riser and hybrid support technology, applied in drill pipes, casings, drilling equipment, etc., can solve problems affecting riser systems, etc.

Inactive Publication Date: 2010-09-29
布米舰队公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it will be a challenging task in shallow water, especially when floating devices like ships are subjected to severe weather conditions like storms, typhoons, hurricanes, etc., which will affect the riser system

Method used

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Embodiment Construction

[0015] attached figure 1 A riser system according to a preferred embodiment of the invention is shown. The riser system has a hybrid support system including a mid-depth tower and a mid-depth buoyant support device.

[0016] As shown in the figures, the riser system includes at least one riser. The riser system may be provided with a plurality of risers. For example, the risers may be arranged horizontally offset in a direction perpendicular to the plane of the drawing.

[0017] The standpipe is in the form of a flexible tube having an upper terminal point. Said upper terminal point 10 of said riser comprises, for example, a connection means to a dynamic floating device such as a vessel. The connection point of the dynamic flotation device can be located at a position above or below the waterline 12 .

[0018] The portions denoted with reference numerals 1 and 2 define the upper catenary of said riser. The riser is configured so that there is a sag or lower point in the ...

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PUM

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Abstract

A riser system for offshore oil and gas production for communicating systems located on the seabed with floating facilities suitable for accommodating floating facility static and dynamic offsets and motions. The riser system comprises a riser extending from the seabed to a floating facility that is supported by a hybrid support system.

Description

technical field [0001] The present invention relates to a riser support system for offshore oil and gas production, in particular to a riser system for offshore oil and gas production in shallow water. Background technique [0002] Riser systems are used in offshore oil and gas production for communicating with systems disposed on the seabed through floating devices. [0003] This requires a dynamic riser system to accommodate the dynamic and static deflection and movement of the flotation device. But it will be a challenging task in shallow water, especially when floating devices like ships are subjected to severe weather conditions like storms, typhoons, hurricanes, etc., which will affect the riser system. [0004] It is an object of the present invention to provide a riser system which alleviates the aforementioned disadvantages. Contents of the invention [0005] The present invention provides a riser system well suited for offshore oil and gas production in shallow...

Claims

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Application Information

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IPC IPC(8): E21B17/01E21B17/00B63B35/44
CPCE21B19/004E21B17/015
Inventor T·L·威特哈尔H·马尔科罗
Owner 布米舰队公司
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