Ultra-deep water-float-type ocean oil and gas development system

A development system, buoy-type technology, applied in the direction of mining fluids, underwater structures, wellbore/well components, etc., can solve the problems of complex materials and mechanical properties, large pressure difference inside and outside the oil storage tank, high structural strength requirements, etc. Achieve the effect of reducing the cost, shortening the length of the mooring cable, and avoiding a sharp increase in tension

Active Publication Date: 2013-08-14
佛山市榕岸海洋工程装备有限公司
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Problems solved by technology

If polymeric materials are used in mooring systems, due to the complexity of their material and mechanical properties, large safety factors have to be used in dynamic tension and fatigue analysis
[0007] 4. The pressure difference between the inside and outside of the oil-water replacement module oil storage tank on the existing offshore floating structure is large, and the overall pressure resistance of the structure needs to be

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  • Ultra-deep water-float-type ocean oil and gas development system

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0023] see figure 1 As shown, the present invention discloses an ultra-deep water buoy type marine oil and gas development system, which includes an offshore buoy 2, a shuttle tanker 30, a buoy 9 in the sea, and a mooring riser system. The buoy 2 includes an air compressor 3, The umbilical control winch 5 and the winch 4; the mooring riser system includes a mooring system and a riser; the mooring system includes a mooring cable 8 above the buoy 9 in the sea and a tension...

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Abstract

The invention discloses an ultra-deep water-float-type ocean oil and gas development system which comprises a seaborne offloading float, a shuttle tanker, submarine floats and a mooring riser system, wherein the offloading float comprises an air compressor, a pipe cable control winch and a winch; the mooring riser system comprises a mooring system and risers; the mooring system comprises mooring cables above the submarine floats and tension legs below the submarine floats; the upper ends of the mooring cables are connected with the winch on the offloading float; and the lower ends of the mooring cables are connected with the upper parts of the submarine floats. Compared with a floating production oil storage system, the offloading float is not provided with an oil storage and oil and gas processing device, so that the oil and gas development system is small in size and light in weight, and suffers an acting force of a wind wave flow far less than that of the huge floating production oil storage system, and shelter and evacuation are not required under the once-in-a-hundred-year limit ocean condition.

Description

technical field [0001] The invention relates to an offshore oil and gas field development system, in particular to a development system suitable for ultra-deep water offshore oil and gas fields, and belongs to the field of deep sea oil and gas development. Background technique [0002] At present, more than 80% of the world's proven offshore oil reserves are concentrated within a water depth of 500m, but more than 70% of the world's ocean area is between 3000m and 6000m, and a large amount of sea area remains to be proven. In addition, except for a few sea areas in the world, offshore oil and gas resources in most areas have been depleted day by day, and the development of deep sea has become an inevitable trend. [0003] Using the existing ocean engineering equipment and deep-sea oil and gas development technology, the limit water depth for the development of human oil and gas resources is between 3000m and 3500m, and the development cost is huge. In addition, due to the h...

Claims

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Application Information

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IPC IPC(8): E21B43/01E21B43/017
Inventor 朱建窦培林施兴华孔令海
Owner 佛山市榕岸海洋工程装备有限公司
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