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

A floating production and monitoring system technology, applied to ships and other directions, can solve the problems of increasing the difficulty of installation of the detection system, unfavorable for 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: 2022-07-01
OFFSHORE OIL ENG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 storage and unloading 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 with reference to 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, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0047] see Figure 1-13 , an installation method for an inboard riser monitoring system of a floating production storage and unloading device, comprising 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, which are used for temporary support during the lifting and lowering process. The temporary support block 1 is a whole made of three...

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Abstract

The invention discloses an in-cabin installation method for a riser monitoring system of a floating production storage and unloading device. The method comprises welding cathodic protection on all load-bearing pipes A; installing hoisting components on the load-bearing pipes A; hoisting the load-bearing pipes A and brackets Structural connection; install MCAS support on the support structure; install GAPS and MCAS on the support structure; install a centralizer on the load-bearing pipe A; support the load-bearing pipe A with a temporary support block; hoist the second load-bearing pipe A and install the centralizer; Connect the two load-bearing pipes and install the cable support; install the remaining load-bearing pipe A; hoist the load-bearing pipe B; connect the load-bearing pipe B and the load-bearing pipe A and install the cable support; remove the temporary support block and lower the load-bearing pipe B; Protecting pipe; installing blind flange; the invention not only solves the in-cabin installation problem of the riser monitoring system of the offshore floating production, storage and unloading device, but also solves the problem that the riser monitoring system cannot perform conventional outboard operations due to complex engineering constraints installation problem.

Description

technical field [0001] The invention relates to the field of marine petrochemical industry, in particular to an in-cabin installation method of a riser monitoring system of a floating production, storage and unloading device. Background technique [0002] At present, in the deepwater and ultra-deepwater oilfield blocks where the offshore floating production storage and offloading (FPSO) is located, crude oil is mostly transported to the FPSO through the underwater production system for crude oil processing. Subsea production systems mainly include Christmas trees, steel submarine pipes, flexible risers, underwater risers, and riser towers (URTA). Due to the complexity of pipe-soil interaction and the continuous changes of deep-water marine environmental loads, there will be dynamic displacements of flexible risers and subsea steel pipes. Facilities such as underwater risers, flexible risers and URTA are used for FPSO and corresponding water Under the facility decoupling. ...

Claims

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Application Information

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Patent Type & Authority Patents(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 CO LTD
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