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Deep water float-over mooring device

A mooring device and mooring cable technology, applied in the directions of transportation and packaging, ship parts, ships, etc., can solve problems such as the lack of experience in the installation of floatover in deep water areas, and achieve the effects of strong practicability, convenient operation and low cost.

Active Publication Date: 2013-09-04
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, our country only has experience in implementing the float-over method in shallow sea areas (water depth not exceeding 40 meters), and has no experience in float-over installation in deep-water areas.

Method used

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  • Deep water float-over mooring device
  • Deep water float-over mooring device
  • Deep water float-over mooring device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1, deep water barge mooring device

[0018] The structure of mooring device of the present invention is as figure 1 with figure 2 As shown, each mark in the figure is as follows: 1 Barge, 2 Deck block, 3 Aft mooring line, 4 Middle mooring line, 5 Fore cross mooring line, 6 Jacket, 7 Jacket leg, 8 Shackle, 9 float.

[0019] The mooring device of the present invention includes a barge 1 carrying a deck block 2 on the barge 1; a group of tail mooring cables 3 are respectively connected to the symmetrical parts on both sides of the tail of the barge 1, and each group of tail mooring cables 3 Including 3 mooring lines, the free ends of each set of stern mooring lines 3 are connected to anchors for fixing the barge 1; the symmetrical parts on both sides of the middle part of the barge 1 are respectively connected with a set of middle mooring lines 4, each set The middle mooring lines 4 each include 3 mooring lines, and the free ends of each set of middle moorin...

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Abstract

The invention discloses a deep water float-over mooring device, which comprises a float-over device. The head part, middle part and tail part of the float-over device are at least connected with two groups of mooring ropes respectively; the mooring ropes on the head part of the float-over device are connected on the two sides of the head part of the float-over device crosswise; the mooring ropes on the middle part and the tail part of the float-over device are provided with buoys; and the buoys and the mooring ropes are connected through shackles. By arranging cross mooring ropes on the head part of the float-over device, the yaw moment of the float-over device is greatly reduced, and the float-over device can smoothly enter a jacket notch to be smoothly arranged.

Description

technical field [0001] The invention relates to a deep-water float-over mooring device, which belongs to the field of marine engineering installation. Background technique [0002] With the gradual development of my country's offshore oil exploration technology and machinery manufacturing technology, the water depth of our platform has rapidly increased from tens of meters to more than 300 meters. With the increase of water depth, it will be a trend to reduce the number of platforms and increase the scale of a single ocean platform in order to reduce costs. This large platform has multiple functions such as oil and gas processing, power generation, and personnel living. However, with more functions and advantages, the accompanying problem is the sharp increase in the weight of large ocean platforms. At present, the deck block weight of the deepwater sea platform has reached more than 30,000 tons. For a block of such weight, it will be imperative to adopt the float-over me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B21/00B63B21/50
Inventor 范模马巍巍李达易丛白雪平李新仲侯金林贾旭谭越
Owner CHINA NAT OFFSHORE OIL CORP