CN101362008A - Floating bag mounting method of fire-fighting pump armor tube on offshore platform - Google Patents
Floating bag mounting method of fire-fighting pump armor tube on offshore platform Download PDFInfo
- Publication number
- CN101362008A CN101362008A CNA2007100586022A CN200710058602A CN101362008A CN 101362008 A CN101362008 A CN 101362008A CN A2007100586022 A CNA2007100586022 A CN A2007100586022A CN 200710058602 A CN200710058602 A CN 200710058602A CN 101362008 A CN101362008 A CN 101362008A
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- China
- Prior art keywords
- pillar
- protecting pipe
- water wings
- wheel machine
- loop wheel
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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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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a floating-bag mounting method of a fire pump protecting pipe of an offshore platform. The waterwings mounting method comprises the following steps: A. positions of hoisting points and models of the waterwings are selected according to the protecting pipe, and the waterwings and tackles of a hoisting machine are respectively arranged on the protecting pipe; B. the hoisting machine hoists the protecting pipe to an appointed position; the waterwings is filled with air and expands to hoist the protecting pipe in a balanced manner; the tackles of the hosting machine is removed; the protecting pipe hovers in an appointed position; C. the protecting pipe is connected with a hoisting rope of a winch in a underwater manner; D. the hoisting rope moves the protecting pipe to a mounting position; E. the hoisting rope continues to hoist and a preserved mounting point at an apex part of the protecting pipe is connected with a chain block; F. the waterwings gradually discharges air, the protecting pipe is gradually placed to be basically vertical and all fixing clips of the protecting pipe are fixed to the designed mounting points; and G. the waterwings on the protecting pipe is detached.
Description
Technical field
The present invention relates to a kind of installation method of fire pump pillar, the water wings that relates in particular to the fire pump pillar of offshore platform is installed method.
Background technology
Prior art offshore platform when installing, jacket will be installed earlier, jacket will be designed to allow the opening part of the jacket that barge sails into according to the width that barge is installed, topside facility needs prefabricated by land assembling, by slide rail topside facility is moved on the barge, be dragged to prefabricated jacket place by barge, the installation site of centering topside facility and jacket, the quick ballast of barge, sink, spud leg in implementation platform top facility and the jacket dock installation, and butt joint finishes, and barge continuation ballast separates with topside facility, sail out of jacket, again that top facility and spud leg frame is integrally welded, finish the sea of console module and install, after the offshore platform of prior art is installed, often need transform and set up, this loop wheel machine that just need be erected on the platform loads and unloads the task of fulfiling assignment.In order to increase the fire-fighting ability of production platform self, on platform, install fire pump additional usually, fire pump is arranged under water, therefore the fire pump pillar need be set, and the protection fire pump is not subjected to sea water intrusion.
But there is following defective in the installation method of prior art:
At first and since the loop wheel machine position of platform and fire pump under water the installation site not in the same side, uses two hoist engines after, make wirerope large-angle inclined the drawing of hanger rope appearance that security regulations are forbidden occur, do not provide enough lifting forces that makes progress, can't satisfy job requirements.
Secondly, need the crane barge ship to cooperate and just can finish the installation task, the charge for tug's service that the crane barge ship cooperates in addition is with expensive, and the duration is longer.
In addition, frequent rise to cast anchor damage submerged pipeline and cable extremely easily.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of water wings of fire pump pillar of offshore platform that method is installed, can safety work, cost saving, and protection submerged pipeline and cable, solve the fire pump task that installs additional of installing.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
Water wings as the fire pump pillar of a kind of offshore platform of the present invention is installed method, offshore platform is positioned on the jacket, comprise loop wheel machine deck and spar deck, loop wheel machine is provided with loop wheel machine on the deck, hoist engine and chain block are set on the spar deck, chain block be positioned at the installation site directly over, the step that this water wings is installed method is, the first step, according to the weight of pillar be subjected to force direction to select hoisting point position, the water wings model, and, water wings and loop wheel machine rigging are separately fixed on the pillar, second step, loop wheel machine winches to assigned position with pillar, the water wings inflation, the pillar balance is sling, remove the loop wheel machine rigging, pillar hovers over assigned position, assigned position makes the blocking position at the place of lacing wire under water that pillar can pass through, and in the 3rd step, pillar is connected the tracting cable of going up hoist engine under water, the 4th step, tracting cable drags pillar to the installation site under floating state, and in the 5th step, tracting cable continues to promote, suspension centre is installed in the reservation of pillar apex be connected to chain block, the 6th step was put downwards slowly by chain block control pillar, and water wings is exitted gradually, make pillar be in basic plumbness, make a plurality of fixation clamps on the pillar arrive design and installation point and fastening, in the 7th step, lay down the water wings on the pillar.
And the hoist engine rated drawbar pull selects to surpass the safe range of twice lift heavy.
In addition, the tracting cable of hoist engine and the leading block on platform all can satisfy security regulations, take the twice insurance on the pillar.
The invention has the beneficial effects as follows:
The construction of the water wings installation method of the fire pump pillar of offshore platform of the present invention is as safe as a house reliable, and simple to operate, controllability is strong.Can't satisfy operation at loop wheel machine, and working space is hour, very effective.
Description of drawings
Fig. 1 installs the method structural representation for the water wings of the fire pump pillar of offshore platform of the present invention
Among the figure:
1: platform 2: water wings
3: pillar 4: loop wheel machine
5: hoist engine 6: tracting cable
7: chain block 8: rigging
11: loop wheel machine deck 12: spar deck
A: assigned position b: blocking position
C: installation site
The specific embodiment
Be described in further detail below in conjunction with the water wings installation method of the drawings and specific embodiments the fire pump pillar of offshore platform of the present invention:
As shown in Figure 1, offshore platform 1 among the present invention is positioned on the jacket, the lacing wire of sea level 0 next side of jacket is provided with fire pump, fire pump needs to be provided with pillar 3 outward, platform 1 comprises loop wheel machine deck 11 and spar deck 12, on the loop wheel machine deck 11 loop wheel machine is set, hoist engine 5 and chain block 7 are set on the spar deck 12.
The first step, according to the weight of pillar 3 be subjected to force direction to select hoisting point position, water wings model, the weight of present embodiment pillar 3 is 4 tons, and, water wings 2 and loop wheel machine rigging 8 are separately fixed on the pillar 3, and the maximum buoyancy of water wings is six tons, can be provided with a plurality of, there is valve on the water wings summit, and valve has from return device.
Second step, loop wheel machine 4 on the platform 1 winches to assigned position a with pillar 3, the assigned position a of present embodiment is 3 meters of underwaters, water is that water wings 2 charges into compressed air under the diver, it is expanded form buoyancy, and pillar 3 balances are sling, remove loop wheel machine rigging 8, pillar 3 hovers over assigned position a, can realize the blocking position b at the place of lacing wire under water passed through, and the blocking position b of present embodiment is 4 meters of underwaters.
In the 3rd step, the diver connects the tracting cable 6 of hoist engine 5 under water, and the rated drawbar pull of present embodiment hoist engine 5 is 10 tons.
In the 4th step, tracting cable 6 is energetic, and pillar 3 is dragged to installation site c under floating state.
In the 5th step, tracting cable 6 continues to promote, and suspension centre is installed in the reservation of pillar 3 apex be connected with chain block 7 directly over the c of installation site.
The 6th step was put downwards slowly by chain block 7 control pillars 3, and water wings 2 is exitted gradually, makes pillar 3 be in basic plumbness, and diver's guiding makes two fixation clamps on the pillar 3 arrive design and installation point, first-class fastening bolt.
In the 7th step, the diver lays down the water wings 2 on the pillar 3, and underwater portion installs.
In the whole dilatory process of hovering under water, hoist engine 5 rated drawbar pulls select to surpass the safe range of twice lift heavy, and the tracting cable 6 of hoist engine 5 and all leading blocks on platform 1 all can satisfy security regulations, and have taked the insurance of second road.
The water wings of the fire pump pillar of offshore platform of the present invention is installed method, the crane barge that has replaced prior art with water wings 2, the diver sets upright pillar under water, very simple and easy to do, this method is not only applicable to the installation of the fire pump pillar of offshore platform 1, applicable to other installation of pipe fitting under water of platform 1 yet.
Adopt the water wings method that pillar is installed and compare with the prior art construction technology, have the following advantages:
The first, greatly improved operating efficiency, single platform is saved three effective working days at least.
The wide-angle oblique pull appears in the hanger rope of the second, having avoided security regulations to forbid.
Three, avoid the crane barge ship frequently to rise to cast anchor and be damaged to submerged pipeline and cable.
Four, saved significantly project cost. Prior art is used crane barge ship every day about 100,000 Unit, and water wings can be repeatedly used, 5 platforms totally can be saved at least 150 ten thousand yuan.
Five, reduce cooperation personnel and auxiliary equipment, simplified construction procedure.
Six, security, controllability have been improved.
Claims (3)
1. the water wings of the fire pump pillar of an offshore platform is installed method, offshore platform is positioned on the jacket, comprise loop wheel machine deck and spar deck, loop wheel machine is provided with loop wheel machine on the deck, hoist engine and chain block are set on the spar deck, chain block be positioned at the installation site directly over, it is characterized in that: described water wings installation method comprises the steps
The first step, according to the weight of pillar (3) be subjected to force direction to select hoisting point position, water wings model, and, water wings (2) and loop wheel machine rigging (8) are separately fixed on the pillar (3),
In second step, loop wheel machine (4) winches to assigned position (a) with pillar (3), water wings (2) inflation, pillar (3) balance is sling, remove loop wheel machine rigging (8), pillar (3) hovers over assigned position (a), assigned position (a) realizes that pillar (3) can pass through the blocking position at lacing wire place (b) under water
The 3rd step, under water with the tracting cable (6) of hoist engine (5) in pillar (3) connection,
In the 4th step, tracting cable (6) drags to the installation site (c) with pillar (3) under floating state,
In the 5th step, tracting cable (6) continues to promote, and suspension centre is installed in the reservation of pillar (3) apex be connected to chain block (7),
The 6th step was put downwards slowly by chain block (7) control pillar (3), and water wings (2) is exitted gradually, makes pillar (3) be in basic plumbness, made a plurality of fixation clamps on the pillar (3) arrive design and installation point and fastening,
In the 7th step, lay down the water wings (2) on the pillar (3).
2. the water wings of the fire pump pillar of offshore platform according to claim 1 is installed method, it is characterized in that: described hoist engine (5) rated drawbar pull selects to surpass the safe range of twice lift heavy.
3. the water wings of the fire pump pillar of offshore platform according to claim 1 and 2 is installed method, and it is characterized in that: the tracting cable (6) and the leading block on platform (1) of described hoist engine (5) all can satisfy security regulations, takes the twice insurance on the pillar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100586022A CN101362008B (en) | 2007-08-06 | 2007-08-06 | Floating bag mounting method of fire-fighting pump armor tube on offshore platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100586022A CN101362008B (en) | 2007-08-06 | 2007-08-06 | Floating bag mounting method of fire-fighting pump armor tube on offshore platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101362008A true CN101362008A (en) | 2009-02-11 |
| CN101362008B CN101362008B (en) | 2011-04-06 |
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ID=40388730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100586022A Expired - Fee Related CN101362008B (en) | 2007-08-06 | 2007-08-06 | Floating bag mounting method of fire-fighting pump armor tube on offshore platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101362008B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594319A (en) * | 2014-12-29 | 2015-05-06 | 中国海洋石油总公司 | Integral lifting and installing method for deeper water ocean platform pump protection pipe |
| CN105782568A (en) * | 2016-03-29 | 2016-07-20 | 中国海洋石油总公司 | Mounting method of stand tube and protection tube |
| CN106379488A (en) * | 2016-09-19 | 2017-02-08 | 中国海洋石油总公司 | Method for quickly carrying out floating installation of platform at sea |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4471708A (en) * | 1977-10-31 | 1984-09-18 | Sedco, Inc. | Self-propelled semi-submersible service vessel |
| CN1068789A (en) * | 1991-07-24 | 1993-02-10 | 赵新民 | The device of salvaging a sunken ship with the air bag drainage |
-
2007
- 2007-08-06 CN CN2007100586022A patent/CN101362008B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594319A (en) * | 2014-12-29 | 2015-05-06 | 中国海洋石油总公司 | Integral lifting and installing method for deeper water ocean platform pump protection pipe |
| CN105782568A (en) * | 2016-03-29 | 2016-07-20 | 中国海洋石油总公司 | Mounting method of stand tube and protection tube |
| CN105782568B (en) * | 2016-03-29 | 2017-10-24 | 中国海洋石油总公司 | The installation method of standpipe, pillar |
| CN106379488A (en) * | 2016-09-19 | 2017-02-08 | 中国海洋石油总公司 | Method for quickly carrying out floating installation of platform at sea |
| CN106379488B (en) * | 2016-09-19 | 2018-01-16 | 中国海洋石油总公司 | The method for quickly carrying out marine floating support mounting platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101362008B (en) | 2011-04-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: No. 25, Chaoyangmen North Street, Dongcheng, Beijing Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
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Granted publication date: 20110406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |