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In-cabin installation method of riser monitoring system of floating production oil storage and discharge device

A floating production and monitoring system technology, applied to ships and other directions, can solve the problems of increasing the difficulty of detection system installation, not conducive to the maintenance of detection equipment, and difficult control of equipment connection accuracy, so as to solve the problems of equipment fixing and angle accuracy, reduce Effects of space interference and reduced protection requirements

Active Publication Date: 2021-02-09
OFFSHORE OIL ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the standpipe monitoring system is usually installed in the protective pipe outside the FPSO, and the vertical force of the equipment is supported by the steel cable. The outboard installation method is also extremely susceptible to spatial interference, which makes it difficult to control the accuracy of equipment docking , thus increasing the difficulty of installation of the detection system
At the same time, the way of outboard installation is not conducive to the subsequent maintenance of testing equipment

Method used

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  • In-cabin installation method of riser monitoring system of floating production oil storage and discharge device

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Embodiment Construction

[0046]The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0047]SeeFigure 1-13, A method for installing an inboard riser monitoring system of a floating production, storage and unloading device, including the following steps:

[0048]Step 1: Install two temporary support blocks 1 made of special steel parts on the two H-shaped steels 2 through bolts 6 respectively, which are used for temporary support during the lifting and lowering process. Temporary support block 1 is a three-part welded whole, with a ...

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Abstract

The invention discloses an in-cabin installation method of a riser monitoring system of a floating production oil storage and discharge device. The in-cabin installation method comprises the steps ofwelding cathodic protection to all bearing pipes A; mounting a hoisting assembly on the bearing pipe A; connecting the hoisting bearing pipe A with the bracket structure; installing an MCAS support onthe support structure; installing a GAPS and an MCAS on the support structure; mounting a centralizer on the bearing pipe A; supporting the bearing pipe A by a temporary supporting block; hoisting asecond bearing pipe A and installing a centralizer; connecting the two bearing pipes and installing a cable bracket; mounting the residual bearing pipe A; hoisting a bearing pipe B; connecting the bearing pipe B and the bearing pipe A and installing a cable bracket; removing the temporary supporting block and lowering the bearing pipe B; connecting the bearing pipe B and the protective pipe; installing a blind flange; according to the method, the problem of in-cabin installation of the riser monitoring system of the offshore floating type production oil storage and discharge device is solved,and the problem that the riser monitoring system cannot be conventionally installed outboard due to complex engineering limitation is also solved.

Description

Technical field[0001]The invention relates to the field of marine petrochemical industry, in particular to a cabin installation method of a riser monitoring system of a floating production, storage and unloading device.Background technique[0002]At present, in the deep water and ultra-deep water oilfield blocks where the offshore floating production storage and offloading unit (FPSO) is located, most of the crude oil is transported to the FPSO through the underwater production system for processing of crude oil. The underwater production system mainly includes Christmas trees, steel submarine pipes, flexible risers, underwater risers, riser towers (URTA), etc. Due to the complexity of pipe-soil interaction and the continuous changes in deep-water marine environmental loads, flexible risers and submarine steel pipelines will have dynamic displacements. Facilities such as underwater risers, flexible risers and URTA are used to provide FPSO and corresponding water Decoupling of lower fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B73/30B63B73/20
CPCB63B73/30B63B73/20
Inventor 宋廷钰丁春雨杨健吉庆林刘志刚华斌张永发云月胜栾青马邦勇
Owner OFFSHORE OIL ENG
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