CN113483180A - Quick connecting structure for multiple submarine pipelines of underwater equal-diameter drift ball - Google Patents
Quick connecting structure for multiple submarine pipelines of underwater equal-diameter drift ball Download PDFInfo
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- CN113483180A CN113483180A CN202110620124.XA CN202110620124A CN113483180A CN 113483180 A CN113483180 A CN 113483180A CN 202110620124 A CN202110620124 A CN 202110620124A CN 113483180 A CN113483180 A CN 113483180A
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- Prior art keywords
- pipe
- branch pipe
- input
- grid
- flange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/021—T- or cross-pieces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a quick connecting structure for a plurality of underwater pipelines with constant diameter drift balls, which comprises a branch pipe A input sea pipe, wherein one side of the branch pipe A input sea pipe is provided with an anchoring part, one side of the anchoring part different from the branch pipe A input sea pipe is provided with a trunk output sea pipe, the bottom of the anchoring part is provided with a welding neck flange, an sleeve pipe is arranged inside the welding neck flange, the bottom end inside the anchoring part is provided with a grid, the bottom of the welding neck flange is provided with a rotating flange, the bottom of the rotating flange is provided with a branch pipe B input sea pipe, and two sides of the bottom of the anchoring part are provided with straight lines and trunk intersection chamfers; the underwater equal-diameter drift ball multi-submarine pipeline quick connection structure is composed of a pipeline quick connection flange, a sleeve pipe, an anchoring piece, a straight pipe short section, a grid and the like, is installed on line along with a sea pipe through a main body structure, is quickly connected with a branch pipe through the flange, has the same life cycle as a submarine pipeline, and has the characteristics of reliable structural strength and fatigue life, high cost performance and convenience in installation.
Description
Technical Field
The invention relates to the technical field of ocean engineering, in particular to a quick connecting structure for a plurality of submarine pipelines of underwater isodiametric drift balls.
Background
The development of ocean oil and gas resources faces the limit of economic performance under the conditions of safety, reliability and practicability. The method is characterized in that deep development and new development complex blocks are developed in the existing oil and gas resource blocks, new development of oil and gas resources is added, new submarine pipeline conveying pipelines are generally needed to be added, if a plurality of newly-built pipelines are used for connecting underwater well heads and processing terminals, the use area of ocean oil and gas resources in sea areas is overlarge, the development cost is increased, and even deep exploitation in the same block in the later period is limited and potential pipeline crossing risks are increased.
Disclosure of Invention
The invention aims to provide a quick connecting structure for a plurality of submarine pipelines with underwater equal-diameter drift balls aiming at the defects of the prior art so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the marine pipe comprises a branch pipe A input marine pipe, wherein an anchoring piece is arranged on one side of the branch pipe A input marine pipe, a trunk output marine pipe is arranged on one side of the anchoring piece different from the branch pipe A input marine pipe, a welding neck flange is arranged at the bottom of the anchoring piece, an oversleeve is arranged inside the welding neck flange, a grid is arranged at the bottom end inside the anchoring piece, a rotating flange is arranged at the bottom of the welding neck flange, a branch pipe B input marine pipe is arranged at the bottom of the rotating flange, and straight lines and trunk intersection chamfers are arranged on two sides of the bottom of the anchoring piece.
As a preferred technical scheme of the invention, the branch pipe A input marine pipe, the trunk output marine pipe and the branch pipe B input marine pipe are fixedly connected through an anchoring piece to form a relatively integral structure, and the branch pipe A input marine pipe and the branch pipe B input marine pipe are connected with the anchoring piece through straight pipe short joints.
As a preferred technical scheme of the invention, the two sides and the bottom of the anchoring part are respectively provided with mounting through holes, each group of the mounting through holes are respectively matched with the branch pipe A input sea pipe, the trunk line output sea pipe and the branch pipe B input sea pipe, and the anchoring part can bear the requirements of pressure, temperature functional load and wave flow environment action of a conveying medium in a pipeline in structural form, material selection, in-place strength, mounting strength and fatigue life.
According to the preferred technical scheme, the bottom end in the anchoring part is provided with the grating which comprises a grating vertical steel plate and a grating horizontal steel plate, the grating vertical steel plate is fixedly installed at the bottom end in the anchoring part, and a plurality of groups of grating horizontal steel plates are arranged on two sides of the grating vertical steel plate in a staggered mode.
According to the preferred technical scheme, the welding neck flange and the rotating flange are consistent in size and matched, and the welding neck flange and the rotating flange are pipeline quick connecting flanges.
As a preferred technical scheme of the invention, the outer side walls of the branch pipe A input sea pipe, the trunk output sea pipe and the branch pipe B input sea pipe are respectively coated with an anticorrosive coating.
Compared with the prior art, the invention provides a quick connecting structure for a plurality of submarine pipelines of underwater isodiametric drift balls, which has the following beneficial effects:
1. the underwater equal-diameter drift ball multi-submarine pipeline quick connection structure is characterized in that anchoring parts are arranged, a branch pipe A input sea pipe, a main line output sea pipe and a branch pipe B input sea pipe are fixedly connected through the anchoring parts to form a relatively integral structure, the branch pipe A input sea pipe and the branch pipe B input sea pipe are connected with the anchoring parts through straight pipe short sections, mounting through holes are formed in the two sides and the bottom of the anchoring parts, each group of the mounting through holes are respectively matched with the branch pipe A input sea pipe, the main line output sea pipe and the branch pipe B input sea pipe, the structural form, the material selection, the on-site strength, the mounting strength and the fatigue life of the anchoring parts can bear the pressure of a conveying medium in a pipeline, the temperature functional load and the wave flow environmental action requirements, so that the submarine pipeline connection structure is more stable, and the structure can be mounted in front of a preset position through adjusting the straight pipe short sections, The back and the side surfaces are more convenient and faster to adjust;
2. the quick connecting structure for the plurality of underwater pipelines with the underwater isodiametric drift balls is characterized in that a grid is arranged at the bottom end inside an anchoring part and comprises a grid vertical steel plate and a grid horizontal steel plate, the grid vertical steel plate is fixedly installed at the bottom end inside the anchoring part, a plurality of groups of grid horizontal steel plates are arranged on two sides of the grid vertical steel plate in a staggered mode, the grid vertical steel plate and the grid horizontal steel plate are spliced with each other to form the grid, and a ball body can be prevented from turning and jamming in the process of the main-line drift balls through the grid;
3. according to the rapid connecting structure for the plurality of submarine pipelines of the underwater isodiametric drift ball, the welding neck flange and the rotary flange are consistent in size and adaptive to each other, and the welding neck flange and the rotary flange are pipeline rapid connecting flanges, so that all groups of pipelines are connected more closely, and are more convenient to disassemble and assemble;
4. this quick connection structure of many submarine pipelines of isodiametric drift ball under water, through setting up anticorrosive coating, branch pipe A input sea pipe, trunk output sea pipe and branch pipe B input sea pipe lateral wall all scribble and are equipped with anticorrosive coating, possess good corrosion resistance, can deal with the erosion of sea water, promote life cycle.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic structural diagram of the front side of a welding neck flange according to the present invention;
FIG. 3 is a schematic side view of a weld neck flange according to the present invention;
FIG. 4 is a perspective view of a rotary flange connection according to the present invention;
FIG. 5 is a schematic view of the anchor of the present invention;
FIG. 6 is a schematic perspective view of the anchoring member of the present invention
FIG. 7 is a schematic diagram of the marine vessel structure according to the present invention;
FIG. 8 is a schematic view of the internal structure of the anchor of the present invention;
fig. 9 is a schematic illustration of the wall thickness of the marine pipe or anchor of the present invention.
In the figure: 1. the branch pipe A is input into a sea pipe; 101. an anti-corrosion coating; 2. welding a neck flange; 3. a sleeve; 4. a grid; 401. a grid vertical steel plate; 402. a grid horizontal steel plate; 5. an anchoring member; 6. a trunk line output sea pipe; 7. the branch pipe B is input into a sea pipe; 8. rotating the flange; 9. and intersecting and chamfering the straight line and the trunk line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, in this embodiment: including branch pipe A input sea pipe 1, 1 one side of branch pipe A input sea pipe is provided with anchor assembly 5, anchor assembly 5 is different from 1 one side of branch pipe A input sea pipe and is provided with trunk output sea pipe 6, anchor assembly 5 bottom is provided with welds neck flange 2, weld the inside sleeve 3 that is provided with of neck flange 2, the inside bottom of anchor assembly 5 is provided with grid 4, it is provided with swivel flange 8 to weld neck flange 2 bottom, swivel flange 8 bottom is provided with branch pipe B input sea pipe 7, anchor assembly 5 bottom both sides are provided with the straight line, the crossing chamfer 9 of trunk.
In the embodiment, the branch pipe A input sea pipe 1, the trunk output sea pipe 6 and the branch pipe B input sea pipe 7 are fixedly connected through the anchoring part 5 to form a relatively integral structure, the branch pipe A input sea pipe 1 and the branch pipe B input sea pipe 7 are connected with the anchoring part 5 through straight pipe short sections, the two sides and the bottom of the anchoring part 5 are respectively provided with installation through holes, each group of installation through holes are respectively matched with the branch pipe A input sea pipe 1, the trunk output sea pipe 6 and the branch pipe B input sea pipe 7, the structural form, the material selection, the in-place strength, the installation strength and the fatigue life of the anchoring part 5 can bear the pressure of a conveying medium in a pipeline, the temperature functional load and the wave flow environmental action, so that the submarine pipeline connection structure is more stable, the structure can be arranged on the front, back and side surfaces of a preset position by adjusting the short section of the straight pipe, so that the adjustment is more convenient and faster; the bottom end in the anchoring part 5 is provided with a grid 4, the grid 4 comprises a grid vertical steel plate 401 and a grid horizontal steel plate 402, the bottom end in the anchoring part 5 is fixedly provided with the grid vertical steel plate 401, two sides of the grid vertical steel plate 401 are provided with a plurality of groups of grid horizontal steel plates 402 in a staggered manner, the grid vertical steel plate 401 and the grid horizontal steel plate 402 are spliced with each other to form the grid 4, and the grid 4 can limit the turning of a ball body in the trunk ball passing process and prevent the blocking; the welding neck flange 2 and the rotating flange 8 are consistent in size and matched, and the welding neck flange 2 and the rotating flange 8 are pipeline quick connecting flanges, so that all groups of pipelines are connected more closely, and are more convenient to disassemble and assemble; the outer side walls of the branch pipe A input sea pipe 1, the trunk line output sea pipe 6 and the branch pipe B input sea pipe 7 are respectively coated with an anti-corrosion coating 101, so that the anti-corrosion sea pipe has good anti-corrosion performance, can cope with corrosion of sea water, and improves the service cycle.
The working principle and the using process of the invention are as follows: firstly, according to the oil reservoir resource characteristics of an oil gas development block, determining the annual production allocation condition, determining the design temperature, pressure and medium density of a conveying medium, then sequentially determining the pipe diameter of a conveying pipeline, then designing the wall thickness of an anchoring part 5, a straight pipe short section and a sleeve pipe 3 and carrying out finite element analysis, then finishing forging manufacturing according to the material property requirement and the manufacturing process of the anchoring part 5, fixedly installing a grating 4 in the anchoring part 5, then carrying out fixed-length welding on the straight pipe short section and the sleeve pipe 3, in order to save the offshore construction time, carrying out field sealing and hydraulic pressure test according to the underwater configuration after land welding and assembling, after meeting the standard requirement in the field test, carrying out anticorrosive coating on all components and coating operation on special extending parts, then transporting the structure to a field operation ship to enable the structure to be in a horizontal position, and placing the structure on a marine pipe laying operation line, laying the sea pipe at a preset position, butt-welding the structure on a ship operation line, and after the connection is completed, additionally arranging a buoyancy device at the position of a branch pipe above the structure, wherein the buoyancy device is used for keeping the laying process of the structure in a horizontal state all the time.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Many submarine pipeline quick connect structure of equal diameter drift ball under water, its characterized in that: the marine pipe comprises a branch pipe A input marine pipe (1), wherein an anchoring piece (5) is arranged on one side of the branch pipe A input marine pipe (1), a trunk output marine pipe (6) is arranged on one side of the anchoring piece (5) different from the branch pipe A input marine pipe (1), a welding neck flange (2) is arranged at the bottom of the anchoring piece (5), a sleeve pipe (3) is arranged inside the welding neck flange (2), a grating (4) is arranged at the bottom inside the anchoring piece (5), a rotating flange (8) is arranged at the bottom of the welding neck flange (2), a branch pipe B input marine pipe (7) is arranged at the bottom of the rotating flange (8), and straight lines and trunk intersection chamfers (9) are arranged on two sides of the bottom of the anchoring piece (5).
2. The underwater equal-diameter drift ball multi-submarine pipeline quick connection structure according to claim 1, characterized in that: the branch pipe A input sea pipe (1), the trunk line output sea pipe (6) and the branch pipe B input sea pipe (7) are fixedly connected through the anchoring piece (5) to form a relatively integral structure, and the branch pipe A input sea pipe (1) and the branch pipe B input sea pipe (7) are connected with the anchoring piece (5) through straight pipe short sections.
3. The underwater equal-diameter drift ball multi-submarine pipeline quick connection structure according to claim 1, characterized in that: the pipeline anchoring device is characterized in that mounting through holes are formed in the two sides and the bottom of the anchoring piece (5), each group of mounting through holes are matched with the branch pipe A input marine pipe (1), the trunk line output marine pipe (6) and the branch pipe B input marine pipe (7), and the anchoring piece (5) can bear the requirements of pressure, temperature functional load and wave flow environment effect of conveying media inside a pipeline in structural form, material selection, in-place strength, mounting strength and fatigue life.
4. The underwater equal-diameter drift ball multi-submarine pipeline quick connection structure according to claim 1, characterized in that: the utility model discloses an anchor assembly, including anchor assembly (5), grid (4) are provided with bottom in anchor assembly (5), grid (4) include vertical steel sheet of grid (401) and the horizontal steel sheet of grid (402), anchor assembly (5) inside bottom fixed mounting has the vertical steel sheet of grid (401), the vertical steel sheet of grid (401) both sides crisscross a plurality of groups grid horizontal steel sheet (402) of having arranged of grid.
5. The underwater equal-diameter drift ball multi-submarine pipeline quick connection structure according to claim 1, characterized in that: the welding neck flange (2) and the rotating flange (8) are consistent in size and adaptive to each other, and the welding neck flange (2) and the rotating flange (8) are pipeline quick connecting flanges and are made of ASTM-694-F65 materials.
6. The underwater equal-diameter drift ball multi-submarine pipeline quick connection structure according to claim 1, characterized in that: and the outer side walls of the branch pipe A input sea pipe (1), the trunk line output sea pipe (6) and the branch pipe B input sea pipe (7) are coated with anticorrosive coatings (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620124.XA CN113483180A (en) | 2021-06-03 | 2021-06-03 | Quick connecting structure for multiple submarine pipelines of underwater equal-diameter drift ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620124.XA CN113483180A (en) | 2021-06-03 | 2021-06-03 | Quick connecting structure for multiple submarine pipelines of underwater equal-diameter drift ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113483180A true CN113483180A (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110620124.XA Pending CN113483180A (en) | 2021-06-03 | 2021-06-03 | Quick connecting structure for multiple submarine pipelines of underwater equal-diameter drift ball |
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| CN (1) | CN113483180A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468370A (en) * | 1973-02-27 | 1977-03-23 | Sentralinst For Ind Forskning | Joining together of cylindrical members |
| CN101243763A (en) * | 2008-03-13 | 2008-08-20 | 上海交通大学 | Water-saving block-resistant accurate filtration irrigation device and connector |
| CN201866449U (en) * | 2010-11-19 | 2011-06-15 | 营口辽河机械管件有限公司 | Occulting-bar tee pipe fitting |
| CN201866448U (en) * | 2010-08-25 | 2011-06-15 | 郑州万达管件制造有限公司 | Grating T joint |
| CN103603632A (en) * | 2013-11-22 | 2014-02-26 | 中国海洋石油总公司 | Underwater basal disc connecting floating production system and subsea pipeline |
| CN104266023A (en) * | 2014-09-19 | 2015-01-07 | 中国石油天然气集团公司 | Mechanical sealing tee joint for pipelines |
| US20160195212A1 (en) * | 2015-01-07 | 2016-07-07 | Tim Zanelli | Obstructive Tap and Sleeve |
| CN206874892U (en) * | 2017-04-12 | 2018-01-12 | 良工阀门集团有限公司 | A kind of special full welding double-diffusing ball valve of natural gas |
| CN111649178A (en) * | 2020-03-02 | 2020-09-11 | 海洋石油工程股份有限公司 | Topside mounted subsea pipeline termination |
-
2021
- 2021-06-03 CN CN202110620124.XA patent/CN113483180A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468370A (en) * | 1973-02-27 | 1977-03-23 | Sentralinst For Ind Forskning | Joining together of cylindrical members |
| CN101243763A (en) * | 2008-03-13 | 2008-08-20 | 上海交通大学 | Water-saving block-resistant accurate filtration irrigation device and connector |
| CN201866448U (en) * | 2010-08-25 | 2011-06-15 | 郑州万达管件制造有限公司 | Grating T joint |
| CN201866449U (en) * | 2010-11-19 | 2011-06-15 | 营口辽河机械管件有限公司 | Occulting-bar tee pipe fitting |
| CN103603632A (en) * | 2013-11-22 | 2014-02-26 | 中国海洋石油总公司 | Underwater basal disc connecting floating production system and subsea pipeline |
| CN104266023A (en) * | 2014-09-19 | 2015-01-07 | 中国石油天然气集团公司 | Mechanical sealing tee joint for pipelines |
| US20160195212A1 (en) * | 2015-01-07 | 2016-07-07 | Tim Zanelli | Obstructive Tap and Sleeve |
| CN206874892U (en) * | 2017-04-12 | 2018-01-12 | 良工阀门集团有限公司 | A kind of special full welding double-diffusing ball valve of natural gas |
| CN111649178A (en) * | 2020-03-02 | 2020-09-11 | 海洋石油工程股份有限公司 | Topside mounted subsea pipeline termination |
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