CN110848459A - Installation and recovery method of submarine pipeline buoy - Google Patents
Installation and recovery method of submarine pipeline buoy Download PDFInfo
- Publication number
- CN110848459A CN110848459A CN201911033234.5A CN201911033234A CN110848459A CN 110848459 A CN110848459 A CN 110848459A CN 201911033234 A CN201911033234 A CN 201911033234A CN 110848459 A CN110848459 A CN 110848459A
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- CN
- China
- Prior art keywords
- buoy
- sea
- wire rope
- pipe
- steel wire
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- 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.)
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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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/16—Laying or reclaiming pipes on or under water on the bottom
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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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
- F16L1/24—Floats; Weights
Abstract
The invention discloses a method for installing and recovering a submarine pipeline buoy, which comprises the following steps: s1: the sea pipe is continuously paved into the sea by the pipe-laying ship, and simultaneously, a plurality of buoys are sequentially bound to the sea pipe by the strapping tapes along the length direction of the sea pipe; s2: a plurality of buoys form a buoy group, and a steel wire rope sequentially penetrates through each buoy; s3: one end of the steel wire rope is connected with the pipe-laying ship, and the other end of the steel wire rope is connected with the floating ball; s4: when the buoy is recovered, the buoy balls are fished up to further pull the steel wire rope penetrating through the whole buoy set, so that each buoy is separated from the binding belt on the sea pipe, then the buoy set floats to the sea surface, and the whole buoy set is recovered.
Description
Technical Field
The invention relates to the technical field of submarine pipeline laying, in particular to a submarine pipeline buoy installation and recovery method.
Background
At present, in the technical field of offshore oil engineering, the laying of submarine pipelines with ultra-large pipe diameters often needs large tension to control the shape of pipelines in the laying process so as to meet the allowable requirements of stress and strain of a sea pipe. The capacity of the mainstream marine engineering technical equipment in China reaches the upper limit for the laying of the submarine pipeline with the ultra-large pipe diameter, and in order to meet the laying requirement of the submarine pipeline with the ultra-large pipe diameter, the method of additionally installing the buoy is often adopted to carry out the laying operation of the submarine pipeline with the large pipe diameter. Referring to the construction experience of the prior large-diameter marine pipe project at home and abroad, the method for installing and recovering the floating cylinders by the aid of the single floating cylinder is adopted, namely the single floating cylinder is used as an installation unit, the single floating cylinder is bound on a pipe laying ship, the single floating cylinder is laid into water along with the pipeline, a binding belt is cut by a diver or an underwater robot after the marine pipe reaches a seabed, the single floating cylinder floats to the water surface, and a tug boat searches for a target sea area to recover the marine pipe. The traditional method wastes time and labor, needs to invest a large amount of human resources and ship resources for matching, and has low efficiency and high risk of losing the buoy recovery process.
Disclosure of Invention
The present invention is intended to solve the above technical problems to some extent.
In view of the above, the invention provides a method for installing and recovering a submarine pipeline buoy, which has the characteristics of improving buoy recovery efficiency, reducing the probability of buoy loss and saving cost.
In order to solve the technical problem, the invention provides a method for installing and recovering a submarine pipeline buoy, which comprises the following steps: s1: the sea pipe is continuously paved into the sea by the pipe-laying ship, and simultaneously, a plurality of buoys are sequentially bound to the sea pipe by the strapping tapes along the length direction of the sea pipe; s2: a plurality of buoys form a buoy group, and a steel wire rope sequentially penetrates through each buoy; s3: one end of the steel wire rope is connected with the pipe-laying ship, and the other end of the steel wire rope is connected with the floating ball; s4: when the buoy is recovered, the buoy balls are fished up to pull the steel wire rope penetrating through the whole buoy group, so that each buoy is separated from the binding belt on the sea pipe, then the buoy group floats to the sea surface, and the whole buoy group is recovered.
Further, in the step S4, after the floating ball is fished up, the winch drums of the tugboat in the steel wire rope recovery vessel are connected to pull the steel wire rope penetrating through the whole floating drum set.
Further, in step S4, the winch drum is continuously rotated until the buoy set is pulled onto the deck of the tug boat.
Further, the recovery vessel transports the buoy group to the pipelaying vessel.
Further, in step S3, the other end of the wire rope is wound into a coil rope and then connected to the floating ball, and the coil wire rope is tied up by the tying rope, and the tying rope can be cut by the underwater robot.
Further, in step S1, each sea pipe is bundled with two buoys.
Further, in step S1, ten of the sea pipes are grouped, and 20 buoys on 10 sea pipes are grouped into one buoy group.
Furthermore, the two adjacent buoys are connected through nylon ropes.
The invention has the technical effects that: the pipe-laying ship is connected to wire rope's one end, and the floater is connected to wire rope's the other end, when retrieving, drags for the floater and then carries the wire rope that draws through whole pontoon group, makes the ligature area separation on every flotation pontoon and the sea pipe, then flotation pontoon group come-up to the sea, retrieves whole pontoon group, very big improvement installation and recovery efficiency, reduced the probability that the flotation pontoon was lost simultaneously by a wide margin, practice thrift a large amount of project costs.
Drawings
FIG. 1 is a schematic illustration of a subsea pipeline buoy installation according to the present invention;
FIG. 2 is a schematic view of a subsea pipeline buoy installation in accordance with the present invention;
FIG. 3 is a schematic view of the positional relationship of a float ball and an underwater robot according to the present invention;
FIG. 4 is a partial schematic view of the positional relationship of the float and the underwater robot in accordance with the present invention;
fig. 5 is a schematic view of the connection of the recovery vessel according to the invention to the wire rope in the sea vessel.
Wherein, 1-sea pipe; 2-pipe-laying ship; 3-a buoy; 4-strapping tape; 5-a steel wire rope; 6-tug boat; 7-deck; 8-a recovery vessel; 9-underwater robot; 10-operator.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1, 2, 3, 4 and 5, a method for installing and recovering a subsea pipeline buoy comprises the following steps: s1: the sea pipe 1 is continuously paved into the sea by the pipe-laying ship 2, and simultaneously, a plurality of buoys 3 are sequentially bound to the sea pipe 1 by the binding bands 4 along the length direction of the sea pipe 1; s2: a plurality of buoys 3 form a buoy group, and a steel wire rope 5 sequentially penetrates through each buoy 3; s3: one end of the steel wire rope 5 is connected with the pipe-laying ship 2, and the other end of the steel wire rope 5 is connected with the floating ball 5; s4: when the buoy is recovered, the buoy balls are fished up to further pull the steel wire rope 5 penetrating through the whole buoy group, so that each buoy 3 is separated from the binding belt 4 on the sea pipe 1, then the buoy group floats to the sea surface, and the whole buoy group is recovered.
According to the specific embodiment of the invention, the method for installing and recovering the submarine pipeline buoy comprises the following steps: the operator 10 extends the marine pipe 1 from the pipelaying vessel 2 and continues to lay it from the pipelaying vessel 2 into the sea, meanwhile, the hoisting tool continuously hoists the buoy 3 to the position near the part of the marine pipe 1 on the pipe-laying ship 2, and the operator 10 ties up the float bowl 3 and the sea pipe 1 by the strapping tape 4, along with the continuous laying of the sea pipe 1, a plurality of float bowls 3 are tied up on the sea pipe 1 to form a float bowl group, after the steel wire 5 sequentially passes through each float bowl 3, wherein one end of the steel wire rope 5 is connected with the pipe-laying ship 2, the other end of the steel wire rope 5 is connected with the floating ball 5, when the steel wire rope is recovered, the floating ball 5 is fished up to lift the steel wire rope 5 penetrating through the whole buoy group, so that each buoy 3 is separated from the binding belt 4 on the sea pipe 1, then the flotation pontoon group goes up to the sea, retrieves whole flotation pontoon group, very big improvement installation and recovery efficiency, reduced the probability that the flotation pontoon was lost simultaneously by a wide margin, practiced thrift a large amount of project costs.
Specifically, after the floating ball is fished up, the steel wire rope 5 is connected with a winch drum of a tugboat 6 in the recovery ship so as to lift and pull the steel wire rope 5 penetrating through the whole floating drum group, the operation is convenient, and the mechanization degree is high.
Specifically, the winch roller is continuously rotated until the buoy set is supported and pulled to a deck 7 of the tug boat, and the buoy set is conveyed to the pipe laying boat 2 by the recovery boat 8, so that the recovery boat can be recycled, and resources are saved.
Specifically, the other end of the steel wire rope 5 is wound into a disc-shaped steel wire rope and then is connected with the floating ball 5, the disc-shaped steel wire rope is bound through the binding rope 8, the binding rope 8 can be cut by the underwater robot 9, the underwater robot 9 cuts the binding rope 8 underwater, one end of the binding rope 8 is brought to the water surface by the floating ball 5 under the buoyancy action of the floating ball 5, the whole binding rope 8 is in a suspension state in water, and the floating effect is good.
Specifically, each sea pipe 1 is bundled with two buoys 3.
Specifically, ten sea pipes 1 form a group, and 20 buoys 3 on 10 sea pipes 1 form a group of buoy groups.
By implementing the device, the submarine pipeline is 48 inches of super-large pipe diameter, and the project cost is saved by 2800 ten thousand yuan.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. A method for installing and recovering a submarine pipeline buoy is characterized by comprising the following steps:
s1: the sea pipe is continuously paved into the sea by the pipe-laying ship, and simultaneously, a plurality of buoys are sequentially bound to the sea pipe by the strapping tapes along the length direction of the sea pipe;
s2: a plurality of buoys form a buoy group, and a steel wire rope sequentially penetrates through each buoy;
s3: one end of the steel wire rope is connected with the pipe-laying ship, and the other end of the steel wire rope is connected with the floating ball;
s4: when the buoy is recovered, the buoy balls are fished up to pull the steel wire rope penetrating through the whole buoy group, so that each buoy is separated from the binding belt on the sea pipe, then the buoy group floats to the sea surface, and the whole buoy group is recovered.
2. The method for installing and recovering a buoy for submarine pipelines according to claim 1, wherein in step S4, after the floating ball is fished, the winch drums of the tugboats in the steel wire rope recovery vessel are connected to pull the steel wire rope passing through the whole buoy set.
3. The method of claim 1, wherein the winch drum is rotated until the buoy set is pulled to the deck of the tug boat in step S4.
4. The method of subsea pipeline buoy installation recovery of claim 2, characterized in that the recovery vessel transports a buoy bank to a pipelaying vessel.
5. The method of claim 1, wherein the other end of the wire rope is wound into a coiled wire and then connected to the float ball, and the coiled wire rope is tied up by a tie-up rope, and the tie-up rope can be cut by the underwater robot in step S3.
6. The method for installing and retrieving a subsea pipeline buoy in accordance with claim 1, wherein in step S1, two buoys are bundled per sea pipe.
7. The method of claim 6, wherein in step S1, ten of the sea pipes are grouped, and 20 buoys on 10 sea pipes are grouped into one buoy group.
8. The method of claim 1, wherein the two adjacent buoys are externally connected by nylon rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911033234.5A CN110848459A (en) | 2019-10-28 | 2019-10-28 | Installation and recovery method of submarine pipeline buoy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911033234.5A CN110848459A (en) | 2019-10-28 | 2019-10-28 | Installation and recovery method of submarine pipeline buoy |
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| Publication Number | Publication Date |
|---|---|
| CN110848459A true CN110848459A (en) | 2020-02-28 |
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| CN201911033234.5A Pending CN110848459A (en) | 2019-10-28 | 2019-10-28 | Installation and recovery method of submarine pipeline buoy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879662A (en) * | 2021-03-26 | 2021-06-01 | 海洋石油工程股份有限公司 | Manufacturing process and installation method suitable for submarine pipeline landing dragging buoy |
| CN113551081A (en) * | 2021-07-15 | 2021-10-26 | 海洋石油工程股份有限公司 | Kilometer water depth float type PLET broadside installation method |
| CN114278787A (en) * | 2021-11-17 | 2022-04-05 | 海洋石油工程股份有限公司 | Construction method for laying submarine pipeline with buoy between platforms |
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| US2735270A (en) * | 1956-02-21 | Launching structures and methods | ||
| US2770950A (en) * | 1953-06-05 | 1956-11-20 | Samuel V Collins | Submarine cable installation |
| GB922919A (en) * | 1960-11-14 | 1963-04-03 | Shell Int Research | Apparatus for laying a pipeline on the floor of a body of water |
| US3594835A (en) * | 1969-09-17 | 1971-07-27 | Pipeline Products And Services | Float device for pipelines |
| JPH06213372A (en) * | 1993-01-14 | 1994-08-02 | Nippon Steel Corp | Mounting/removing method for floater for laying sea bottom pipeline |
| CN1290829A (en) * | 2000-11-14 | 2001-04-11 | 胜利石油管理局工程建设一公司三分公司 | Pipe dragging method and special device for seashore landing pipeline |
| CN2454273Y (en) * | 2000-11-14 | 2001-10-17 | 胜利石油管理局工程建设一公司三分公司 | Device for tieing and untieing submarine pipeline floating tube |
| GB2435083A (en) * | 2006-02-10 | 2007-08-15 | Jean-Baptiste Pose | Buoyancy apparatus and method of use |
| KR20130098624A (en) * | 2012-02-28 | 2013-09-05 | 삼성중공업 주식회사 | Floating support apparatus for pipeline, pipe laying vessel using the floating support apparatus, and submerged-pipeline installation method using the floating support apparatus |
-
2019
- 2019-10-28 CN CN201911033234.5A patent/CN110848459A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735270A (en) * | 1956-02-21 | Launching structures and methods | ||
| US2770950A (en) * | 1953-06-05 | 1956-11-20 | Samuel V Collins | Submarine cable installation |
| GB922919A (en) * | 1960-11-14 | 1963-04-03 | Shell Int Research | Apparatus for laying a pipeline on the floor of a body of water |
| US3594835A (en) * | 1969-09-17 | 1971-07-27 | Pipeline Products And Services | Float device for pipelines |
| JPH06213372A (en) * | 1993-01-14 | 1994-08-02 | Nippon Steel Corp | Mounting/removing method for floater for laying sea bottom pipeline |
| CN1290829A (en) * | 2000-11-14 | 2001-04-11 | 胜利石油管理局工程建设一公司三分公司 | Pipe dragging method and special device for seashore landing pipeline |
| CN2454273Y (en) * | 2000-11-14 | 2001-10-17 | 胜利石油管理局工程建设一公司三分公司 | Device for tieing and untieing submarine pipeline floating tube |
| GB2435083A (en) * | 2006-02-10 | 2007-08-15 | Jean-Baptiste Pose | Buoyancy apparatus and method of use |
| KR20130098624A (en) * | 2012-02-28 | 2013-09-05 | 삼성중공업 주식회사 | Floating support apparatus for pipeline, pipe laying vessel using the floating support apparatus, and submerged-pipeline installation method using the floating support apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879662A (en) * | 2021-03-26 | 2021-06-01 | 海洋石油工程股份有限公司 | Manufacturing process and installation method suitable for submarine pipeline landing dragging buoy |
| CN113551081A (en) * | 2021-07-15 | 2021-10-26 | 海洋石油工程股份有限公司 | Kilometer water depth float type PLET broadside installation method |
| CN113551081B (en) * | 2021-07-15 | 2022-09-06 | 海洋石油工程股份有限公司 | Kilometer water depth float type PLET broadside installation method |
| CN114278787A (en) * | 2021-11-17 | 2022-04-05 | 海洋石油工程股份有限公司 | Construction method for laying submarine pipeline with buoy between platforms |
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Application publication date: 20200228 |
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