CN102849180A - Launching process of jack-up offshore drilling platform by airbag - Google Patents
Launching process of jack-up offshore drilling platform by airbag Download PDFInfo
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- CN102849180A CN102849180A CN201210347402XA CN201210347402A CN102849180A CN 102849180 A CN102849180 A CN 102849180A CN 201210347402X A CN201210347402X A CN 201210347402XA CN 201210347402 A CN201210347402 A CN 201210347402A CN 102849180 A CN102849180 A CN 102849180A
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Abstract
The invention relates to the technical field of offshore oil drilling, in particular to a launching process of a jack-up offshore drilling platform by an airbag. The process includes the steps of firstly, horizontally constructing the platform on a building berth; secondly, using an over-sized and ultrahigh-pressure launching airbag; thirdly, lengthening a bearing segment of the structure of the building berth; fourthly, distributing a construction pier; fifthly, using a footing blocking fixture to block footings; sixthly, performing secondary pier reversing after closing the platform; seventhly, dragging the fixed platform; eighthly, distributing the airbag below a main hull of the platform; ninthly, removing the construction pier of the platform; tenthly, shifting the platform to the water edge after second pier reversing; eleventhly, releasing to launch; and twelfthly, recovering the airbag and the footing blocking fixture. The drilling platform uses the airbag which is stable, efficient and low in cost to launch, the airbag is stable and controllable, launching period of the platform is shortened, construction cost and difficulty in construction of the platform are greatly reduced, and requirements of the platform for shipyards are lowered effectively.
Description
Technical field:
The present invention relates to a kind of offshore oil drilling technical field, particularly a kind of self-lifting type marine drilling platform air bag launching process.
Background technology:
The water technology is at present both at home and abroad main under the self-lifting type marine drilling platform adopts under building dock launching, the arine railway water and refutes the technology such as launch a ship.The building dock launching technology is had relatively high expectations to the capital construction of shipyard, and shipyard must possess the Large Ship Dock that adapts with the institute construct platform, and this technology is only applicable to have the Large Ship Dock shipyard, and general middle boatyard can't use.Water technology under the arine railway need to possess the required slideway of lower water, needs to increase the extra investment cost; And the building berth of slideway has been installed, and having limited the applicability that building berth is built project, lower horizontal stability control ratio is complicated, in order to guarantee that water steadying is controlled under the platform, need the complicated sliding system of design, and the platform construction difficulty is larger.Refute the technology of launching a ship, need to solve the problems such as complicated platform horizontal translation, upper barge, need to possess half large-scale latent refuting, to having relatively high expectations in the residing waters of shipyard, the water process is consuming time longer under the platform.Other launching technology can't satisfy the specific (special) requirements of water under the platform.
Summary of the invention:
The technical problem to be solved in the present invention provides a kind of self-lifting type marine drilling platform air bag launching process, the method has realized that drilling platform adopts the air bag launching of steady high efficiency, low cost, steadily controlled, shorten the water cycle under the platform, greatly lower the laid down cost of platform and build difficulty, effectively reduce construct platform to the door of shipyard requirement.The construction that has overcome the jack-up platform in the water technology under the existing self-lifting type marine drilling platform need possess the large-scale capital construction facility that Large Ship Dock, complicated slideway or half are dived and refuted etc., and laid down cost is high, builds the large deficiency of difficulty.
The technical solution used in the present invention is: a kind of self-lifting type marine drilling platform air bag launching process, and the method step is as follows:
One, platform level on building berth is built: low different construction pier after high before arranging, and platform maintenance level is built;
Two, adopt water ballonet under super large, the superhigh pressure;
Three, berth structure is carried elongated segment: according to water calculation sheet water level and requirement for bearing capacity under the platform, prolong building berth carrying segment length, and extra large operation is swept in the Xia Shui waters, remove sharp-pointed hard foreign material, incised wound hull when avoiding lower water;
Four, arrange the construction pier;
Five, adopt shoe shutoff frock that shutoff is implemented in shoe: shoe shutoff frock adopts the steel-wood structure design, adopts wire sling and platform reliably to be connected and fixed, and main body and shoe shutoff frock adopt transition processing; Open wire sling behind the lower water, shoe shutoff frock can break away from hull, uses in order to follow-up secondary after reclaiming;
Six, platform closes up the processing of falling the pier of rear secondary: close up rear platform and carry out the secondary process of falling the pier and process, replace original construction pier, reach platform and building berth keeping parallelism after closing up, required sliding force requirement when satisfying under the platform water;
Seven, traction fixed platform: secondary falls after pier finishes, with winch and trailer coupling platform is drawn fixing, to prevent the uncontrollable downward slippage of airbag aeration rear platform;
Eight, the layout of air bag under the platform main body: according to the size of air bag and the characteristics of platform structure, air bag is carried out orderly layout, satisfy platform structure to the requirement of air bag bearing capacity; After air bag deploys, air bag is inflated, until reach lower water calculation sheet requirement pressure, made the platform main body be lifted away from the construction pier fully;
Nine, the platform construction pier is removed: air bag is suppressed and is finished, and the platform main body is removed all platform construction piers after breaking away from the construction pier, and removes the hard implements of building berth upper gasbag rolling place, keeps the building berth cleaning smooth;
Ten, the secondary rear platform of falling the pier is to the translation of waterside: secondary falls behind the pier, need to carry out to the waterside translation platform, winch traction control retracting platform is adopted in operation, step is divided into: arrange in advance air bag, platform translation certain distance, braking platform, replenish the airbag aeration pressurize, circulation comes and goes above-mentioned steps, until it is required to the waterside translation distance to reach under the platform water;
11, the lower water of threading off: dead work finishes, and after institute's water level that requires satisfies, opens buckle release, applies starting force by mechanism, overcomes platform movement friction dead point, the inflation/deflation operation of air bag before and after cooperating, and implementation platform is flexible lower water steadily;
12, air bag and shoe shutoff frock reclaim: platform is regained lower water ballonet after descend smoothly water, removes also withdrawal shoe shutoff frock, avoids affecting behind the water under the platform spud leg the standing of the bottom, and so far platform air bag launching work all finishes.
The invention has the beneficial effects as follows: the present invention is owing to adopted the mode of the air bag launching of steady high efficiency, low cost, thereby have steadily controlled, shorten the water cycle under the platform, greatly lower the laid down cost of platform and the advantage of construction difficulty, effectively reduce construct platform to the door of shipyard requirement.
The specific embodiment:
A kind of self-lifting type marine drilling platform air bag launching process, the method step is as follows:
One, platform level on building berth is built: low different construction pier after high before arranging, and platform maintenance level is built;
Two, adopt water ballonet under super large, the superhigh pressure;
Three, berth structure is carried elongated segment: according to water calculation sheet water level and requirement for bearing capacity under the platform, prolong building berth carrying segment length, and extra large operation is swept in the Xia Shui waters, remove sharp-pointed hard foreign material, incised wound hull when avoiding lower water;
Four, arrange the construction pier;
Five, adopt shoe shutoff frock that shutoff is implemented in shoe: shoe shutoff frock adopts the steel-wood structure design, adopts wire sling and platform reliably to be connected and fixed, and main body and shoe shutoff frock adopt transition processing; Open wire sling behind the lower water, shoe shutoff frock can break away from hull, uses in order to follow-up secondary after reclaiming;
Six, platform closes up the processing of falling the pier of rear secondary: close up rear platform and carry out the secondary process of falling the pier and process, replace original construction pier, reach platform and building berth keeping parallelism after closing up, required sliding force requirement when satisfying under the platform water;
Seven, traction fixed platform: secondary falls after pier finishes, with winch and trailer coupling platform is drawn fixing, to prevent the uncontrollable downward slippage of airbag aeration rear platform;
Eight, the layout of air bag under the platform main body: according to the size of air bag and the characteristics of platform structure, air bag is carried out orderly layout, satisfy platform structure to the requirement of air bag bearing capacity; After air bag deploys, air bag is inflated, until reach lower water calculation sheet requirement pressure, made the platform main body be lifted away from the construction pier fully;
Nine, the platform construction pier is removed: air bag is suppressed and is finished, and the platform main body is removed all platform construction piers after breaking away from the construction pier, and removes the hard implements of building berth upper gasbag rolling place, keeps the building berth cleaning smooth;
Ten, the secondary rear platform of falling the pier is to the translation of waterside: secondary falls behind the pier, need to carry out to the waterside translation platform, winch traction control retracting platform is adopted in operation, step is divided into: arrange in advance air bag, platform translation certain distance, braking platform, replenish the airbag aeration pressurize, circulation comes and goes above-mentioned steps, until it is required to the waterside translation distance to reach under the platform water;
11, the lower water of threading off: dead work finishes, and after institute's water level that requires satisfies, opens buckle release, applies starting force by mechanism, overcomes platform movement friction dead point, the inflation/deflation operation of air bag before and after cooperating, and implementation platform is flexible lower water steadily;
12, air bag and shoe shutoff frock reclaim: platform is regained lower water ballonet after descend smoothly water, removes also withdrawal shoe shutoff frock, avoids affecting behind the water under the platform spud leg the standing of the bottom, and so far platform air bag launching work all finishes.
Be understandable that, more than about specific descriptions of the present invention, only for the present invention being described and being not to be subject to the described technical scheme of the embodiment of the invention, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the present invention, to reach identical technique effect; Use needs as long as satisfy, all within protection scope of the present invention.
Claims (1)
1. self-lifting type marine drilling platform air bag launching process, it is characterized in that: the method step is as follows:
One, platform level on building berth is built: low different construction pier after high before arranging, and platform maintenance level is built;
Two, adopt water ballonet under super large, the superhigh pressure;
Three, berth structure is carried elongated segment: according to water calculation sheet water level and requirement for bearing capacity under the platform, prolong building berth carrying segment length, and extra large operation is swept in the Xia Shui waters, remove sharp-pointed hard foreign material, incised wound hull when avoiding lower water;
Four, arrange the construction pier;
Five, adopt shoe shutoff frock that shutoff is implemented in shoe: shoe shutoff frock adopts the steel-wood structure design, adopts wire sling and platform reliably to be connected and fixed, and main body and shoe shutoff frock adopt transition processing; Open wire sling behind the lower water, shoe shutoff frock can break away from hull, uses in order to follow-up secondary after reclaiming;
Six, platform closes up the processing of falling the pier of rear secondary: close up rear platform and carry out the secondary process of falling the pier and process, replace original construction pier, reach platform and building berth keeping parallelism after closing up, required sliding force requirement when satisfying under the platform water;
Seven, traction fixed platform: secondary falls after pier finishes, with winch and trailer coupling platform is drawn fixing, to prevent the uncontrollable downward slippage of airbag aeration rear platform;
Eight, the layout of air bag under the platform main body: according to the size of air bag and the characteristics of platform structure, air bag is carried out orderly layout, satisfy platform structure to the requirement of air bag bearing capacity; After air bag deploys, air bag is inflated, until reach lower water calculation sheet requirement pressure, made the platform main body be lifted away from the construction pier fully;
Nine, the platform construction pier is removed: air bag is suppressed and is finished, and the platform main body is removed all platform construction piers after breaking away from the construction pier, and removes the hard implements of building berth upper gasbag rolling place, keeps the building berth cleaning smooth;
Ten, the secondary rear platform of falling the pier is to the translation of waterside: secondary falls behind the pier, need to carry out to the waterside translation platform, winch traction control retracting platform is adopted in operation, step is divided into: arrange in advance air bag, platform translation certain distance, braking platform, replenish the airbag aeration pressurize, circulation comes and goes above-mentioned steps, until it is required to the waterside translation distance to reach under the platform water;
11, the lower water of threading off: dead work finishes, and after institute's water level that requires satisfies, opens buckle release, applies starting force by mechanism, overcomes platform movement friction dead point, the inflation/deflation operation of air bag before and after cooperating, and implementation platform is flexible lower water steadily;
12, air bag and shoe shutoff frock reclaim: platform is regained lower water ballonet after descend smoothly water, removes also withdrawal shoe shutoff frock, avoids affecting behind the water under the platform spud leg the standing of the bottom, and so far platform air bag launching work all finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347402.XA CN102849180B (en) | 2012-09-18 | 2012-09-18 | Launching process of jack-up offshore drilling platform by airbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347402.XA CN102849180B (en) | 2012-09-18 | 2012-09-18 | Launching process of jack-up offshore drilling platform by airbag |
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| Publication Number | Publication Date |
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| CN102849180A true CN102849180A (en) | 2013-01-02 |
| CN102849180B CN102849180B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210347402.XA Expired - Fee Related CN102849180B (en) | 2012-09-18 | 2012-09-18 | Launching process of jack-up offshore drilling platform by airbag |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859788A (en) * | 2015-05-08 | 2015-08-26 | 中国海洋石油总公司 | Octagon floating drilling production storage and offloading (FDPSO) rapid construction method |
| CN105253270A (en) * | 2015-10-30 | 2016-01-20 | 青岛海西重机有限责任公司 | Combined buoyancy tank type offshore platform launching device and offshore platform launching method |
| CN105586863A (en) * | 2014-11-11 | 2016-05-18 | 江苏海王星海洋油气装备有限公司 | Bottom hull type mobile platform and launching technology of bottom hull type mobile platform |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01197196A (en) * | 1988-02-02 | 1989-08-08 | Mitsubishi Heavy Ind Ltd | Launching way recovery method |
| CN102424101A (en) * | 2011-11-19 | 2012-04-25 | 南通贝斯特船舶与海洋工程设计有限公司 | Technology for launching ship with airbags |
| CN202337334U (en) * | 2012-03-27 | 2012-07-18 | 广新海事重工股份有限公司 | Self-floating launching poppet platform |
-
2012
- 2012-09-18 CN CN201210347402.XA patent/CN102849180B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01197196A (en) * | 1988-02-02 | 1989-08-08 | Mitsubishi Heavy Ind Ltd | Launching way recovery method |
| CN102424101A (en) * | 2011-11-19 | 2012-04-25 | 南通贝斯特船舶与海洋工程设计有限公司 | Technology for launching ship with airbags |
| CN202337334U (en) * | 2012-03-27 | 2012-07-18 | 广新海事重工股份有限公司 | Self-floating launching poppet platform |
Non-Patent Citations (4)
| Title |
|---|
| 孙菊香: "船舶气囊下水技术现状与展望", 《军民两用技术与产品》 * |
| 孙菊香等: "船舶气囊下水技术大步走向世界", 《中国修船》 * |
| 张远平: "气囊首次用于大型钻井平台下水获成功", 《中国船舶报》 * |
| 聂晓玲: "船舶与海洋平台平地建造及气囊下水研究", 《哈尔滨工程大学工程硕士学位论文》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586863A (en) * | 2014-11-11 | 2016-05-18 | 江苏海王星海洋油气装备有限公司 | Bottom hull type mobile platform and launching technology of bottom hull type mobile platform |
| CN104859788A (en) * | 2015-05-08 | 2015-08-26 | 中国海洋石油总公司 | Octagon floating drilling production storage and offloading (FDPSO) rapid construction method |
| CN105253270A (en) * | 2015-10-30 | 2016-01-20 | 青岛海西重机有限责任公司 | Combined buoyancy tank type offshore platform launching device and offshore platform launching method |
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| CN102849180B (en) | 2014-12-31 |
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Granted publication date: 20141231 Termination date: 20170918 |