CN216843706U - Submarine pipeline joint for limiting unidirectional movement of deepwater submarine pipeline - Google Patents
Submarine pipeline joint for limiting unidirectional movement of deepwater submarine pipeline Download PDFInfo
- Publication number
- CN216843706U CN216843706U CN202120366643.3U CN202120366643U CN216843706U CN 216843706 U CN216843706 U CN 216843706U CN 202120366643 U CN202120366643 U CN 202120366643U CN 216843706 U CN216843706 U CN 216843706U
- Authority
- CN
- China
- Prior art keywords
- connect
- joint
- middle section
- marine vessel
- connecting piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000005242 forging Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000013535 sea water Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013587 production medium Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a restriction deep water sea pipe one-way movement's sea pipe joint, including connecting the main part, connect main part front end fixedly connected with and connect the anterior segment, connect main part rear end fixedly connected with and connect the middle section, connect middle section rear end fixedly connected with and connect the middle section connecting piece, connect middle section connecting piece rear end fixedly connected with and connect the rear section, all parts link to each other and constitute a whole, and the design specification is DNV-OS-F101, ASME VIII. And meanwhile, carrying out special fatigue life analysis on the welding seam position, and estimating the fatigue strength of the welding seam position mainly based on the recommended practice in DNV-OS-F101 and DNV-RP-C203, calculating the stress change range of the welding seam position according to finite elements, and estimating the fatigue life by using an S-N curve.
Description
Technical Field
The utility model relates to a deep water seabed sea pipe riser engineering technical field specifically is a restriction deep water sea pipe one-way movement's sea pipe connects.
Background
The deep-water sea pipe belongs to the field of deep-water ocean engineering (water depth is more than 1000 m), and is mainly used for conveying production media between underwater production facilities and between the underwater production facilities and a floating platform. Steel catenary risers (hereinafter SCR) are generally considered to be deep water marine vessel-to-floating platform extensions. The SCR, driven by the motion of the floating platform, generates a certain tension load on the deepwater marine pipe connected to it and its end facilities (PLET, connectors, jumpers, etc.). If the load is too large, the submarine pipeline and end facilities are driven to move, the integrity of the connector and the jumper pipe is affected and even damaged, and the problems of leakage and the like are caused.
The prior art has the following defects or problems:
if the load of the existing deepwater sea pipe is too large, the existing deepwater sea pipe can drive submarine pipelines and end facilities to move, so that the integrity of a connector and a jumper pipe is influenced, even the connector and the jumper pipe are damaged, and the problems of leakage and the like are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a restriction deep water sea pipe one-way movement's sea pipe joint to if the load that provides in solving the background art is too big, can drive submarine pipeline, tip facility's emergence and remove and then influence the integrality of connector and jumper pipe and destroy even, cause the leakage scheduling problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a restriction deep water sea pipe one-way movement's sea pipe joint, includes and connects the main part, it connects the anterior connecting piece to connect main part front end fixedly connected with, connect anterior connecting piece front end fixedly connected with and connect the anterior segment, it connects the middle section to connect main part rear end fixedly connected with, connect middle section rear end fixedly connected with and connect the middle section connecting piece, it connects the rear section to connect middle section connecting piece rear end fixedly connected with.
As the utility model discloses a preferred technical scheme, connect anterior connecting piece fixed connection and connect main part front end, connect anterior segment fixed connection and be in connect anterior connecting piece front end.
As the utility model discloses an optimal technical scheme, connect middle section fixed connection and connect the main part rear end, connect middle section connecting piece fixed connection and connect middle section rear end, connect rear section fixed connection and connect middle section connecting piece rear end.
As the utility model discloses an optimal technical scheme, connect the main part, connect anterior segment connection, connect anterior segment, connect the middle section connecting piece and connect the back end and all adopt the forging mode production, all parts link to each other and constitute a whole.
As the preferred technical scheme of the utility model, joint main part surface is anticorrosive to adopt the anticorrosive coating protection, connects the anterior segment and adopts the pyrocondensation area to protect.
As the utility model discloses a preferred technical scheme, connect main part, connect the anterior segment and connect the back end pipe diameter the same.
Compared with the prior art, the utility model provides a restriction deep water sea pipe one-way movement's sea pipe joint possesses following beneficial effect:
1. according to the submarine pipe joint for limiting the unidirectional movement of the deepwater submarine pipe, the surface of the joint main body is protected by an anti-corrosion coating, and the front section of the joint is protected by a heat-shrinkable belt, so that the damage of the submarine pipe caused by seawater corrosion and seawater expansion and contraction caused by heat and cold is prevented;
2. according to the submarine pipeline joint for limiting the unidirectional movement of the deepwater submarine pipeline, the diameters of the joint main body, the joint front section and the joint rear section are different, and specific design proportions are excessively considered for different pipe diameter sections so as to bear tension of over 300 tons in the reverse direction and prolong the service life of 30 years. The marine pipe joint is made of ASTM 694F 65 material, so that weldability of the marine pipe and the joint can be guaranteed;
3. the submarine pipeline joint for limiting the unidirectional movement of the deepwater submarine pipeline comprises a joint main body, a joint front connecting piece, a joint front section, a joint middle section connecting piece and a joint rear section which are all produced in a forging mode, all the parts are connected to form a whole, and the design specifications are DNV-OS-F101 and ASME VIII. And meanwhile, carrying out special fatigue life analysis on the welding seam position, and estimating the fatigue strength of the welding seam position mainly based on the recommended practice in DNV-OS-F101 and DNV-RP-C203, calculating the stress change range of the welding seam position according to finite elements, and estimating the fatigue life by using an S-N curve.
Drawings
FIG. 1 is a schematic view of a submarine pipeline joint structure for restricting the unidirectional movement of a deepwater submarine pipeline;
fig. 2 is a side view of a marine vessel joint design for limiting the unidirectional movement of a deepwater marine vessel.
In the figure: 1. a connector body; 2. a joint front connection; 3. a joint front section; 4. a joint middle section; 5. a connector middle section connecting piece; 6. and a joint rear section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in the present embodiment: including connecting main part 1, connect 1 front end fixedly connected with of main part and connect anterior segment connecting piece 2, connect 2 front end fixedly connected with of anterior segment connecting piece and connect anterior segment 3, connect 1 rear end fixedly connected with in main part and connect middle section 4, connect 4 rear end fixedly connected with in middle section and connect middle section connecting piece 5, connect 5 rear end fixedly connected with in middle section connecting piece and connect rear section 6.
In the embodiment, according to the submarine pipeline joint for limiting the unidirectional movement of the deepwater submarine pipeline, the surface of the joint main body 1 is protected by the anticorrosion coating, and the front section 3 of the joint is protected by the thermal shrinkage belt, so that the damage of the submarine pipeline caused by seawater corrosion and seawater expansion and contraction due to heat is prevented; the pipe diameters of the joint main body 1, the joint front section 3 and the joint rear section 6 are different, and specific design proportions are excessively considered in different pipe diameter sections so as to bear tension of over 300 tons in the reverse direction and prolong the service life of 30 years. The marine pipe joint is made of ASTM 694F 65 material, so that weldability of the marine pipe and the joint can be guaranteed; the joint main body 1, the joint front connecting piece 2, the joint front section 3, the joint middle section 4, the joint middle section connecting piece 5 and the joint rear section 6 are all produced in a forging mode, all the parts are connected to form a whole, and the design specifications are DNV-OS-F101 and ASME VIII. And meanwhile, carrying out special fatigue life analysis on the welding seam position, and estimating the fatigue strength of the welding seam position mainly based on the recommended practice in DNV-OS-F101 and DNV-RP-C203, calculating the stress change range of the welding seam position according to finite elements, and estimating the fatigue life by using an S-N curve.
The utility model discloses a theory of operation and use flow: the specific implementation steps of the design of the marine pipe joint for limiting the unidirectional movement of the deepwater marine pipe, the land assembly construction and the marine installation are as follows: 1. calculating tension required for limiting unidirectional movement of the pipeline according to the SCR motion analysis; 2. according to the design method of the sea pipe joint, the structural form and the size of the joint are designed; 3. forging and manufacturing the joint according to the material requirements and the manufacturing process proposed by the sea pipe joint; 4. in order to save the offshore construction time, the sea pipe joint and the sea pipe section are welded and connected according to the required section length of the laid sea pipe on the land; 5. transporting the sea pipe section containing the sea pipe joint to a site pipe laying ship, and laying the sea pipe section with other pipe sections in place according to a selected pipeline laying process; 6. and the underwater robot is connected with the underwater fixing device through the positioned sea pipe joint.
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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The utility model provides a restriction deep water sea pipe one-way movement's sea pipe connects which characterized in that: including connecting main part (1), connect main part (1) front end fixedly connected with and connect anterior connection piece (2), connect anterior connection piece (2) front end fixedly connected with and connect anterior segment (3), connect main part (1) rear end fixedly connected with and connect middle section (4), connect middle section (4) rear end fixedly connected with and connect middle section connecting piece (5), connect middle section connecting piece (5) rear end fixedly connected with and connect rear section (6).
2. The marine vessel joint of claim 1, wherein the marine vessel joint restricts unidirectional movement of the deepwater marine vessel comprises: connect anterior connecting piece (2) fixed connection and connect main part (1) front end, connect anterior segment (3) fixed connection connect anterior connecting piece (2) front end.
3. The marine vessel joint of claim 1, wherein the marine vessel joint restricts unidirectional movement of the deepwater marine vessel comprises: connect middle section (4) fixed connection and connect main part (1) rear end, connect middle section connecting piece (5) fixed connection and connect middle section (4) rear end, connect rear section (6) fixed connection and connect middle section connecting piece (5) rear end.
4. The marine vessel joint of claim 1, wherein the marine vessel joint restricts unidirectional movement of the deepwater marine vessel comprises: the joint main body (1), the joint front connecting piece (2), the joint front section (3), the joint middle section (4), the joint middle section connecting piece (5) and the joint rear section (6) are all produced in a forging mode, and all the parts are connected to form a whole.
5. The marine vessel joint of claim 1, wherein the marine vessel joint restricts unidirectional movement of the deepwater marine vessel comprises: the surface of the joint main body (1) is protected by an anticorrosive coating, and the joint front section (3) is protected by a thermal shrinkage belt.
6. The marine vessel joint of claim 1, wherein the marine vessel joint restricts unidirectional movement of the deepwater marine vessel comprises: the pipe diameters of the joint main body (1), the joint front section (3) and the joint rear section (6) are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366643.3U CN216843706U (en) | 2021-02-09 | 2021-02-09 | Submarine pipeline joint for limiting unidirectional movement of deepwater submarine pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366643.3U CN216843706U (en) | 2021-02-09 | 2021-02-09 | Submarine pipeline joint for limiting unidirectional movement of deepwater submarine pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216843706U true CN216843706U (en) | 2022-06-28 |
Family
ID=82081754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120366643.3U Active CN216843706U (en) | 2021-02-09 | 2021-02-09 | Submarine pipeline joint for limiting unidirectional movement of deepwater submarine pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216843706U (en) |
-
2021
- 2021-02-09 CN CN202120366643.3U patent/CN216843706U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE602007012729D1 (en) | METHOD FOR PRODUCING A UNDERWATER TUBE WITH CORROSION-RESISTANT SEAMS AND PANELS | |
| CN101568757B (en) | Offshore pipe string with different pipe joints | |
| CN107676551A (en) | A kind of fine multiple material concrete steel double-walled combination sea-bottom oil-gas delivery pipe of New Type of Carbon | |
| CN216843706U (en) | Submarine pipeline joint for limiting unidirectional movement of deepwater submarine pipeline | |
| CN106918556B (en) | Improved reference strain method for critical evaluation of reel pipe engineering | |
| CN116592182A (en) | Method for dragging and laying submarine large-span pipeline | |
| CN201043641Y (en) | Single-layer heat-preserving counterbalance pipe with cathode protection device used in oceanography engineering | |
| CN113153233A (en) | Three-dimensional overlong rigid connection pipeline system with buoyancy device | |
| CN102661444B (en) | Installation method of deepwater double piping system of offshore platform | |
| CN113464723A (en) | Anchoring system for limiting unidirectional movement of deepwater sea pipe | |
| CN215806793U (en) | Submarine pipeline holding clamp for limiting unidirectional movement of deepwater submarine pipeline | |
| CN213479448U (en) | Underwater butt joint installation device for submarine pipeline | |
| CN112975279A (en) | Double-layer welding method for non-reducing metal anti-corrosion pipe | |
| CN104033652B (en) | Buckle arrestor applicable to deepwater submarine pipeline | |
| Hou et al. | Feasibility Study of S-Lay Installation for Deepwater SCRs and Pipelines | |
| CN202031490U (en) | Spacer block device for deep sea tower type vertical pipe | |
| Perinet et al. | J-lay and steep S-lay: complementary tools for ultradeep water | |
| CN115638289A (en) | Construction method for bundling manufacturing of multiple large-diameter submarine oil pipelines and overall launching towing laying construction | |
| CN114294480A (en) | Fixture for limiting bidirectional movement of deepwater sea pipe along axis | |
| Herdiyanti | Comparisons study of S-Lay and J-Lay methods for pipeline installation in ultra deep water | |
| Kwon et al. | A model test on a rigid pipe installation using J-lay method | |
| CN216201239U (en) | Pipe joint for deepwater sea pipe | |
| CN212616844U (en) | Submarine pipeline protection device | |
| CN217355825U (en) | Loop type external transportation pipeline system for single point of catenary anchor leg | |
| CN216843391U (en) | Submarine pipeline limiting anchor chain system with initial laying function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |