Special channel-type multifunctional pipe box for marine modular drilling machine

A dedicated channel and multi-functional technology, applied in earthwork drilling, wellbore/well components, buildings, etc., can solve the problems of inconvenient and fast passage, achieve the effect of rich functions, strong practicability, and improved design business capabilities

Active Publication Date: 2017-12-05
CHINA NAT OFFSHORE OIL CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the dynamic slippage of the DES module, there is no fixed channel between the DES module and the DSM module of the traditional offshore module drilling rig, and there is a problem that it is not convenient for personnel to pass quickly between the two modules

Method used

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  • Special channel-type multifunctional pipe box for marine modular drilling machine
  • Special channel-type multifunctional pipe box for marine modular drilling machine
  • Special channel-type multifunctional pipe box for marine modular drilling machine

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Embodiment Construction

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0019] Such as Figures 1 to 3 As shown, a channel-type multifunctional pipe box dedicated to marine module drilling rigs includes a box body 3, which is arranged above the safety passage 11. The box body 3 of this embodiment is a cuboid, and the slope of the box body 3 is 1:100, the height range of the box body 3 is between 150mm and 300mm, one end of the box body 3 is connected to the return tank 9 of the DES module, and the other end is set above the mud tank 12 of the DSM module, and the DES module The return tank 9 is located between the DES module middle deck 8 and the DES module lower deck 10, the DSM module mud tank 12 is arranged on the DSM module middle deck 13, and the two sides of the box body 3 are provided with support structures 2, and the support The structure 2 is fixed on the middle deck 8 of the DES module. The support structure 2 of this ...

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Abstract

The invention discloses a special channel-type multifunctional pipe box for a marine modular drilling machine. The special channel-type multifunctional pipe box for the marine modular drilling machine comprises a box body. A channel is arranged on the top of the box body. Supporting structures are arranged on the two sides of the box body. One end of the box body is connected with a DES module backflow tank, and the other end of the box body is arranged above a DES module slurry trough. The box body is divided into two spaces by a partition plate in the box body, and the two spaces do not communicate with each other. One end of the first space communicates with the upper portion of the DES module backflow tank. The second space is sealed relative to the DES module backflow tank. A pipe nozzle is arranged on the side portion of the second space. The bottom of the other end of the first space and the bottom of the other end of the second space are provided with liquid drainage holes right opposite to the DSM module slurry trough. By means of the special channel-type multifunctional pipe box for the marine modular drilling machine, the technical problems that as for a traditional marine modular drilling machine, a pipeline 16'' from the DES module backflow tank to the DSM module slurry trough occupies part of the height space of a safety channel and interference exists between an outlet bend of the backflow pipeline 16'' and the DSM module slurry trough are thoroughly solved.

Description

technical field [0001] The invention belongs to the technical field of marine modular drilling rigs, and in particular relates to a channel-type multifunctional pipe box dedicated to marine modular drilling rigs. Background technique [0002] A 16” return pipeline (external diameter of 406.4mm), because there is no pressure in the pipeline, the pipeline needs to be set with a slope of 1:100 to pass through the height difference between the two modules, and is limited by the height of the DES module and the DSM module and the slope of the pipeline. Traditional marine There is local interference (about 100mm) between the pipeline of the modular drilling rig and the space above the safety passage, which affects the passage and escape of personnel. Secondly, there is local interference between the outlet elbow of the 16” return pipeline of the traditional offshore modular drilling rig and the mud tank of the DSM module, and the on-site construction needs to correct the interfere...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B21/01
CPCE21B21/001E21B21/01
Inventor 马超张发杜志胜王涛张磊杨洋刘富强姚方彬寇建惠郭嘉宁俞博瀚
Owner CHINA NAT OFFSHORE OIL CORP
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