CN107435524B

CN107435524B - Special channel type multifunctional pipe box for ocean module drilling machine

Info

Publication number: CN107435524B
Application number: CN201710597140.5A
Authority: CN
Inventors: 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
Original assignee: China National Offshore Oil Corp CNOOC; CNOOC Energy Technology and Services Ltd; CNOOC Energy Development of Equipment and Technology Co Ltd
Current assignee: China National Offshore Oil Corp CNOOC; CNOOC Energy Technology and Services Ltd; CNOOC Energy Development of Equipment and Technology Co Ltd
Priority date: 2017-07-20
Filing date: 2017-07-20
Publication date: 2023-07-04
Anticipated expiration: 2037-07-20
Also published as: CN107435524A

Abstract

The invention discloses a special channel type multifunctional pipe box for an ocean module drilling machine, which comprises a box body, wherein a channel is arranged at the top of the box body, supporting structures are arranged at two sides of the box body, one end of the box body is connected with a DES module reflux tank, the other end of the box body is arranged above a DSM module mud tank, the box body is formed by two spaces which are divided into by a partition plate arranged in the box body and are not communicated with each other, one end of a first space is communicated with the upper part of the DES module reflux tank, a second space is sealed with the DES module reflux tank, a nozzle is arranged at the side part of the second space, and drain holes which are opposite to the DSM module mud tank are arranged at the bottoms of the other ends of the first space and the second space. The invention thoroughly solves the technical problems that the 16 'pipeline from the DES module reflux tank to the DSM module slurry tank of the traditional ocean module drilling machine occupies part of the height space of the safety channel and the 16' outlet elbow of the reflux pipeline interferes with the DSM module slurry tank.

Description

Special channel type multifunctional pipe box for ocean module drilling machine

Technical Field

The invention belongs to the technical field of ocean module drilling machines, and particularly relates to a special channel type multifunctional pipe box for an ocean module drilling machine.

Background

The mud delivery from the drilling equipment module (Drilling Equipment Set) (hereinafter called DES module) reflux tank of the traditional ocean module drilling machine to the drilling support module (Drilling Support Module) (hereinafter called DSM module) is required to be connected through a 16' reflux pipeline (with the outer diameter of 406.4 mm), and as no pressure exists in the delivery pipeline, the pipeline is required to be provided with a gradient of 1:100, and the pipeline automatically flows through the layer height difference of the two modules, is limited by the layer heights of the DES module and the DSM module and the pipeline gradient, and has local interference (about 100 mm) with the space above the safety channel, so that personnel passing and escape are influenced. Secondly, the conventional marine module rig 16 "has a local interference of the return line outlet elbow with the DSM module mud tank, and the construction in situ requires secondary machining of the interfered elbow. Because of the dynamic slippage influence of the DES module, the traditional ocean module drilling machine has no fixed channel between the DES module and the DSM module, and has the problem of inconvenient rapid personnel passing between the two modules.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the special channel type multifunctional pipe box for the ocean module drilling machine.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a special passageway formula multifunctional pipe case of ocean module rig, includes the box, the box top is provided with the passageway, the passageway both sides are provided with bearing structure, the one end of box is connected to DES module reflux tank, and the other end sets up in the top of DSM module mud groove, the box by set up in its inside baffle divide into each other not communicating two spaces constitute, the one end in first space with DES module reflux tank upper portion intercommunication, the second space with DES module reflux tank seals, the lateral part in second space is provided with the nozzle, the bottom of the other end in first space and second space all be provided with the positive flowing back hole of DSM module mud groove.

The gradient of the box body is 1:100, and the height range of the box body is 150-300 mm.

The box is located above the safety channel.

The railing and the steps are arranged on the channel.

The box body is provided with a dismounting flange.

The box body is cuboid.

The invention has the beneficial effects that:

the invention reforms the traditional 16 'pipeline with the outer diameter of 406.4mm into a pipe box, the height of which can be controlled between 150mm and 300mm, thereby greatly reducing the height occupation space, thoroughly solving the technical problem that the 16' pipeline from the DES module reflux tank to the DSM module slurry tank of the traditional ocean module drilling machine occupies part of the safety channel height space, and guaranteeing the safety requirements of personnel passing and escaping; meanwhile, the technical bottleneck that the return line outlet elbow of the traditional ocean module drilling machine 16' interferes with the DSM module slurry tank is solved, after the return line outlet elbow is changed into a pipe box, the pipe box outlet is designed as a liquid discharge hole, so that the secondary processing of the interference elbow on site is avoided, and the construction cost is reduced; meanwhile, the railing, the steps and the supporting structure are arranged above the pipe box, the channel between the DES module and the DSM module is additionally arranged, so that personnel can pass conveniently, the traditional marine module drilling machine is changed to be limited by sliding, a fixed channel is not arranged between the DES module and the DSM module, and barrier-free rapid passing between the DES module and the DSM module is realized.

The channel type multifunctional pipe box has the advantages of simple structure, rich functions, good economy and strong practicability, and is suitable for popularization and use in conventional ocean module drilling machine projects.

The invention thoroughly solves the technical problem that the 16' reflux pipeline of the modular drilling machine occupies part of the height space of the safety channel, is the most direct, simple, convenient, economical and practical design scheme for solving the technical problem, and the invention adds the channel function, thereby guaranteeing the operation safety of personnel, improving the passing environment of the modular drilling machine, reducing the site construction cost, improving the design business capability of the modular drilling machine of the engineering design research and development center of equipment technical company, and improving the brand value of the modular drilling machine product of China.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a plan view of the present invention (the direction of the arrow in the figure indicates the flow direction of the medium).

Reference numerals: the device comprises a 1-railing, a 2-supporting structure, a 3-box body, a 4-step, a 5-dismounting flange, a 6-nozzle, a 7-partition plate, an 8-DES module middle deck, a 9-DES module reflux tank, a 10-DES module lower deck, an 11-safety channel, a 12-DSM module mud tank, a 13-DSM module middle deck, a 14-first space, a 15-second space and a 16-liquid drain hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a special channel type multifunctional pipe box for an ocean module drilling machine comprises a box body 3, wherein the box body 3 is arranged above a safety channel 11, the box body 3 of the embodiment is a cuboid, the gradient of the box body 3 is 1:100, the height range of the box body 3 is 150 mm-300 mm, one end of the box body 3 is connected to a DES module reflux tank 9, the other end of the box body is arranged above a DSM module slurry tank 12, the DES module reflux tank 9 is positioned between a DES module middle deck 8 and a DES module lower deck 10, the DSM module slurry tank 12 is arranged on the DSM module middle deck 13, support structures 2 are arranged on two sides of the box body 3, the support structures 2 are fixed on the DES module middle deck 8, the support structures 2 of the embodiment are fixed by adopting two structural section steels for improving the bearing strength of the channel type pipe box, the box body 3 is formed by two spaces which are not communicated with each other and are divided by a baffle 7 arranged in the box body, one end of a first space 14 is communicated with the upper part of the DES module backflow tank 9, a second space 15 is closed and not communicated with the DES module backflow tank 9, circulating mediums in the first space 14 and the second space 15 are not interfered with each other, a nozzle 6 is arranged on the side part of the second space 15, drain holes 16 which are opposite to the DSM module mud tank 12 are arranged at the bottoms of the other ends of the first space 14 and the second space 15, the DSM module mud tank 12 is open, the first space 14 realizes that liquid in the DES module backflow tank 9 overflows into the DSM module mud tank 12, sand removal of the DES module and return mud at the outlet of a mud removal pump enter the second space 15 through the nozzle 6 on the side part and flow into the DSM module mud tank 12, the problem that a 16 'return line outlet elbow of a traditional marine module drilling machine interferes with a DSM slurry tank 12 is solved, the secondary processing of the interference elbow on site is avoided, the production cost is saved, the box 3 thoroughly solves the technical problem that a 16' pipeline (with the outer diameter of 406.4 mm) from a DES module return tank 9 to the DSM module slurry tank 12 of the traditional marine module drilling machine interferes with a safety channel 11, the box 3 is provided with a dismounting flange 5, the box 3 is convenient to install and overhaul, the box 3 is positioned above the safety channel 11, the top of the box 3 is provided with a channel provided with a railing 1 and a step 4, personnel passing between the DES module and the DSM module can quickly and conveniently reach the DSM module from the DES module middle deck 8 through the channel provided with the step 4 and the railing 1.

It should be understood that the embodiments and examples discussed herein are for illustrative purposes only and that modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the purview of this application and are to be included within the scope of the appended claims.

Claims

1. The utility model provides a special passageway formula multifunctional pipe case of ocean module rig, includes the box, its characterized in that, the box top is provided with the passageway, the box both sides are provided with bearing structure, the DES module reflux drum is connected to the one end of box, and the other end sets up in the top of DSM module mud groove, the box by set up in its inside baffle divide into two spaces that do not communicate each other constitute, the one end in first space with DES module reflux drum upper portion intercommunication, the second space with DES module reflux drum seals, the lateral part in second space is provided with the nozzle, the desanding of DES module, the return mud of desilting pump pass through the nozzle of lateral part gets into the second space, the bottom of the other end in first space and second space all be provided with the drain hole that DSM module mud groove just faces.

2. The special channel type multifunctional pipe box for the ocean module drilling machine, according to claim 1, is characterized in that the gradient of the box body is 1:100, and the height range of the box body is 150mm _～ 300 mm.

3. The special channel type multifunctional pipe box for the ocean module drilling machine, according to claim 1, wherein the box body is located above the safety channel.

4. The special channel type multifunctional pipe box for the ocean module drilling machine, according to claim 1, wherein a railing and steps are arranged on the channel.

5. The special channel type multifunctional pipe box for the ocean module drilling machine, according to claim 1, wherein a dismounting flange is arranged on the box body.

6. The special channel type multifunctional pipe box for the ocean module drilling machine, according to claim 1, wherein the box body is a cuboid.