CN201794065U - Movable self-installing platform with cylindrical foundation - Google Patents

Movable self-installing platform with cylindrical foundation Download PDF

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Publication number
CN201794065U
CN201794065U CN 201020502522 CN201020502522U CN201794065U CN 201794065 U CN201794065 U CN 201794065U CN 201020502522 CN201020502522 CN 201020502522 CN 201020502522 U CN201020502522 U CN 201020502522U CN 201794065 U CN201794065 U CN 201794065U
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CN
China
Prior art keywords
platform
basis
removable
leg
mounting platform
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.)
Expired - Lifetime
Application number
CN 201020502522
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Chinese (zh)
Inventor
李新仲
侯金林
陈国龙
黄磊
崔文涛
王春升
谭越
张晖
王丽勤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co Ltd
China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
Original Assignee
HAIWANGXING OCEAN ENGINEERING TECHNOLOGY Co LTD TIANJIN CITY
China National Offshore Oil Corp CNOOC
CNOOC Research Center
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HAIWANGXING OCEAN ENGINEERING TECHNOLOGY Co LTD TIANJIN CITY, China National Offshore Oil Corp CNOOC, CNOOC Research Center filed Critical HAIWANGXING OCEAN ENGINEERING TECHNOLOGY Co LTD TIANJIN CITY
Priority to CN 201020502522 priority Critical patent/CN201794065U/en
Application granted granted Critical
Publication of CN201794065U publication Critical patent/CN201794065U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a movable self-installing platform with cylindrical foundations, which comprises an upper platform part, a plurality of platform pile legs and a plurality of bottom platform foundations, wherein the upper ends of the platform pile legs are connected with the upper platform part, the lower end of each platform pile leg is connected with one bottom platform foundation, and each bottom platform foundation has a cylindrical structure with closed top and opened bottom. The movable self-installing platform is a novel construction facility proposed on basis of bee-type development model, which is movable and reusable and helps to control the cost of the development facility offshore installation process. The utility model achieves the bee-type development model of the marginal oil field and can effectively control the risk of developing the marginal oil field.

Description

A kind of packaged type on tubular basis of using is from mounting platform
Technical field
The utility model relates to a kind of removable from mounting platform, and particularly a kind of removable bucket foundation from installation function of possessing of ocean engineering field that is applied to is produced oil storage platform.
Background technology
Along with the history of petroleum resources exploitation is more and more longer, the discovery in extensive self-contained oil field is fewer and feweri, and newfound oil field has a big chunk to belong to the marginal oil field category.To marginal Oilfield developing, especially,, be subjected to the restriction of uncertain factors such as reserves, geological reservoir condition if adopt routine techniques and equipment to the exploitation of marine marginal oil field, be difficult to obtain gratifying dollar return.By development facility removable, repeat to utilize again, and the cost control of the marine installation process of development facility realizes " honeybee formula " development mode of marginal oil field, can effectively control the risk of " marginal oil field " exploitation.
Be different from the fixed jacket platform of irremovable routine, current moveable platform all is derived from jackup vessel, shoe or heavy pulvilliform formula are adopted in its basis, the engineering practical application shows, such basis exists the basis to go into that mud is difficult to put in place, the basis is gone into mud and extracted difficulty after a period of time, influences that platform is installed and the problem of resettlement timeliness.
The utility model content
The shortcoming that the utility model exists at current moveable platform, adopt the tubular basis to replace conventional settling type or shoe formula basis, platform is installed and the problem of resettlement timeliness to solve, purpose provide a kind of have removable, recyclable utilize again, install reclaim simple fast, needn't employ large-scale offshore construction characteristics of resources, can realize crude oil production, processing, storage and outer defeated, adapt to the removable of " honeybee formula " development mode of realizing marginal oil field from mounting platform.
Provided by the utility model removable from mounting platform, comprise upper brace 1, some platform legs 2 and some bottom platform basis 3; The lower end of described platform leg 2 links to each other with tubular basis 3, establishes the hydraulic stepping lifting gear in the spud leg, the shared Hydraulic Station of all lifting gears.Lifting gear can promote main platform body or fall certain altitude and spud leg 2 and main platform body 1 are connected and fixed.
Wherein: described bottom platform basis 3 be a cylindrical structure, promptly the top seal, the cylindrical structure of bottom opening, operation for convenience and making, described lower platform basis is preferably the cylinder type of top seal, bottom opening, promptly cross section is a circle.
Described bottom platform basis 3 quantity are identical with platform leg 2 quantity, and recommended amount is 3-4.3 inside, bottom platform basis are provided with floor and web, and are integrally welded by floor and web and platform leg.For alleviating construction weight, floor 10 all has lightening hole with web 11.Open manhole 9 on the top on described bottom platform basis 3.
Described upper brace main body is a box-structure, and its horizontal projection is triangle or rectangle.Box-shaped body provides buoyancy for platform when towage.Establish oil storage chamber, ballast tank, sea water tank, fresh-water tank and mechanical cabin etc. in the platform box-shaped body.Oil storage chamber is established double bottom.Described upper brace is established two-layer deck-main deck and production deck.The deck is provided with production of hydrocarbons processing module, power plant module and accommodation module.Life building is arranged in the ship stern, staffing 40 people.Helicopter deck is arranged on life the place ahead of layer upstairs.
The utility model uses bucket foundation as the removable basis that produces oil storage platform from installation.Bucket foundation is made of the cylinder of top seal, has concurrently laterally and vertical comprehensive supporting capacity.The tube base is top-loaded with submerged pump system aspect construction, can form low pressure or superpressure in stake by to drawing water in the stake or setting-out, to overcome the native vertical relative displacement resistance of stake, realizes pile sinking and pile pulling operation.This pile sinking pile pulling operation can replace traditional squeezing into or the operation of forced stake, has overcome traditional pile foundation and has installed and need the large-scale marine engineering ship of moving demobilization, or the shortcoming of the pile pulling difficulty that exists of shoe basis, and it is light to have an erection equipment, and operation is simple; Heavy pile pulling is advantage fast; Can significantly reduce the marine operating expenses of throwing aside of installing and move.
The operating procedure of bucket foundation is as follows: utilize lifting gear to transfer spud leg after platform is in place, by its deadweight the bottom of tube base is pressed in the mud certain depth and forms bottom end seal earlier behind tube base contact mud face; Then, make the inside and outside generation of cylindrical shell pressure differential with the pump pumping, thereby the tube base is pressed in the mud up to desired depth.Finish when platform after the clothes in a certain oil field, utilize pump water filling in the tube base to utilize hydraulic pressure that the tube base is ejected the mud face, towage is reused to next oil field, the removable and recycling function of implementation platform.
The utility model is removable from mounting platform, and by using box-shaped body and tubular basis, obtain following advantage: one, platform is removable, can repeat to utilize again, by the investment that a plurality of small oil fields are shared cover engineering services, has improved the development benefit of small oil field; Two, comprehensive, multi-functional, can be with production, oil storage and defeated outward integrated, it is saturated or do not have a difficulty of support to the support of peripheral facility to have solved small-sized marginal oil field; Three, can realize reducing dependence, increase the flexibility that construction is selected, reduce operating expenses on the one hand, alleviate the pressure that the construction equipment overburden is brought to programming simultaneously large-scale construction boats and ships from installing.
Of the present utility model removable be novel engineering services from mounting platform at " honeybee formula " development mode research and development, it is removable, repeat to utilize again, and the cost control of the marine installation process of development facility, realize " honeybee formula " development mode of marginal oil field, can effectively control the risk of " marginal oil field " exploitation.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is that the facade of the utility model embodiment is always schemed;
Fig. 2 is a platform tubular basis facade view
Fig. 3 is a platform tubular basis vertical view
Fig. 4 is that platform is from (A) being installed and reclaiming schematic diagram (B)
The specific embodiment
The utility model is described in further detail below in conjunction with specific embodiment.The utility model is not limited to following examples.
As Fig. 1-shown in Figure 4, for of the present utility model removable from mounting platform.Platform be self lift type from mounting platform, steel non-from the boat, is applicable to the following depth of water of 40m waters, have production, processing, storage and the outer Movement Capabilities of crude oil, 40 people's life and habitat condition are provided.Platform comprises upper brace 1, platform leg 2 and bottom platform basis 3; The upper end of platform leg 2 is connected with upper brace 1, and the lower end of platform leg 2 is connected with bottom platform basis 3.
Upper brace 1 main body is airtight box structure, and its horizontal projection is a rectangle.The box-shaped body upper surface is as the platform main deck; Subdivision in the box-shaped body is used as oil storage chamber, ballast tank, sea water tank, fresh-water tank and mechanical cabin etc.Oil storage chamber is established double bottom.Box-shaped body provides buoyancy for platform when towage.
Upper brace main body 1 is established two-layer deck, main deck (main platform body 1 top plate) and production deck 5, and production deck 5 is located on the main deck, is furnished with production of hydrocarbons processing module 8, power plant module 7 and accommodation module 4 etc. on main deck and the production deck.Wherein, in the accommodation module, accommodation module 4 is arranged in the ship stern, staffing 40 people; Helicopter deck 6 is arranged on the place ahead on accommodation module 4 upper stratas.Each module is being built the place installation when main platform body is built, to the military service oil field, avoided marine lifting operation with the main platform body towage.
Platform leg 2 is cylindrical, spud leg quantity is selected according to actual needs, recommend 3 legs or 4 legs, present embodiment is selected 4 legs, stem two ship sterns two, platform leg 2 lower ends link to each other with basis, tubular bottom platform basis 3, the upper end of platform leg 2 is connected with upper brace 1, establishes the hydraulic stepping lifting gear in the spud leg, the shared Hydraulic Station of all lifting gears, lifting gear can promote main platform body or fall certain altitude, and spud leg and main platform body are connected and fixed.
Bottom platform basis 3 is the cylinder type of top seal, bottom opening.Submerged pump system is equipped with at the platform base top.Bottom platform basis 3 quantity are identical with platform leg 2 quantity, are 3-4, and present embodiment is 4 spud legs and four bottom platform bases.For the intensity that guarantees the tubular basis and platform load smooth transfer to the tubular basis, the tubular basic internal is provided with floor 10 and web 11, floor 10 is welded as a whole the tubular basis with spud leg, web 11 makes between each floor and is combined as a whole.Floor 10 is determined according to the analysis of tubular underlying strength with the quantity and the size of web 11.For alleviating construction weight, floor 10 all has lightening hole with web 11.The diameter on bottom platform basis 3 requires to calculate according to the basic supporting capacity of ambient conditions decision, has concurrently laterally and vertical comprehensive supporting capacity.Floor and web are reduced repeated hole, and thickness of slab is determined according to the suction pile requirement of strength.Top, tubular basis shrouding has manhole 9, and water filling and desilting are used when installing and reclaiming for platform.
Above-mentioned platform base, structure is provided with bottom opening, and submerged pump system is equipped with at the platform base top, can form low pressure or superpressure in stake by to drawing water in the stake or setting-out, to overcome the native vertical relative displacement resistance of stake, realizes pile sinking and pile pulling operation.This pile sinking pile pulling operation can replace traditional squeezing into or the operation of forced stake, has overcome traditional pile foundation and has installed and need the large-scale marine engineering ship of moving demobilization, or the shortcoming of the pile pulling difficulty that exists of shoe basis, and it is light to have an erection equipment, and operation is simple; Heavy pile pulling is advantage fast; Can significantly reduce the marine operating expenses of throwing aside of installing and move.
Platform is a common iron with material totally, and local main stress structure such as spud leg 2 can consider to adopt high-strength steel, improves structural bearing capacity, reduces construction weight.
Platform is installed and removal process such as accompanying drawing 4.The operating procedure of bucket foundation is as follows: utilize lifting gear to transfer spud leg after platform is in place, by its deadweight the bottom of tube base is pressed in the mud certain depth and forms bottom end seal earlier behind tube base contact mud face; Then, make the inside and outside generation of cylindrical shell pressure differential with the pump pumping, thereby the tube base is pressed in the mud up to desired depth.Finish when platform after the clothes in a certain oil field, utilize pump water filling in the tube base to utilize hydraulic pressure that the tube base is ejected the mud face, towage is reused to next oil field, the removable and recycling function of implementation platform.
Because the tubular basis of having adopted box-shaped main platform body structure and bottom opening top seal, the large-scale offshore construction resource of moving demobilization has been avoided in the installation of platform and recovery, as crane barge, pile driving barge etc., realized platform from installation function.
Based on the said structure design, the utility model is removable from mounting platform, by using box-shaped body and cylindrical foundation, obtain following advantage: one, platform moveable, can repeat recycling, by the investment that a plurality of small oil fields are shared cover job facilities, improve the development benefit of small oil field; Two, comprehensive, multi-functional, can be with production, oil storage and outer defeated integrated, it is saturated or do not have a difficulty of support to the support of peripheral facility to have solved small-sized marginal oil field; Three, can realize reducing the dependence to the Large Construction boats and ships from installing, increase the flexibility that construction is selected, reduce operating expenses on the one hand, alleviate simultaneously the pressure that the construction equipment excess load is brought to project progress. It is removable, repeat recycling, and the cost control of the marine installation process of development facility, realizes " honeybee formula " development mode of marginal oil field, can effectively control the risk of " marginal oil field " exploitation.

Claims (10)

  1. One kind removable from mounting platform, comprise upper brace (1), some platform legs (2) and some bottom platform basis (3); The upper end of described platform leg (2) is connected with upper brace (1), and the lower end of described each platform leg (2) is connected with a bottom platform basis (3), it is characterized in that: described bottom platform basis (3) is the cylindrical structure of top seal, bottom opening.
  2. 2. according to claim 1 removable from mounting platform, it is characterized in that: described bottom platform basis (3) is the cylinder type of top seal, bottom opening.
  3. 3. according to claim 2 removable from mounting platform, it is characterized in that: submerged pump system is equipped with at the top on described bottom platform basis (3).
  4. 4. according to claim 3 removable from mounting platform, it is characterized in that: described bottom platform basis (3) quantity is identical with platform leg (2) quantity, inside, bottom platform basis (3) is provided with floor (10) and web (11), and is integrally welded by floor and web and platform leg.
  5. 5. according to claim 4 removable from mounting platform, it is characterized in that: reduce repeated hole on described floor (10) and the web (11); The quantity of described bottom platform basis (3) and platform leg (2) is 3-4.
  6. 6. according to claim 5 removable from mounting platform, it is characterized in that: open manhole (9) on the top on described bottom platform basis (3).
  7. According among the claim 1-6 any one described removable from mounting platform, it is characterized in that: described upper brace is a box structure.
  8. 8. according to claim 7 removable from mounting platform, it is characterized in that: the upper end of described platform leg (2) is connected by the hydraulic stepping lifting gear with upper brace main body (1).
  9. 9. according to claim 8 removable from mounting platform, it is characterized in that: production module, power plant module and accommodation module are set on the described upper brace.
  10. According among the claim 1-6 any one described removable from mounting platform, it is characterized in that: the upper end of described platform leg (2) is connected by the hydraulic stepping lifting gear with upper brace main body (1).
CN 201020502522 2010-08-23 2010-08-23 Movable self-installing platform with cylindrical foundation Expired - Lifetime CN201794065U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201020502522 CN201794065U (en) 2010-08-23 2010-08-23 Movable self-installing platform with cylindrical foundation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201020502522 CN201794065U (en) 2010-08-23 2010-08-23 Movable self-installing platform with cylindrical foundation

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CN201794065U true CN201794065U (en) 2011-04-13

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102373698A (en) * 2010-08-23 2012-03-14 中国海洋石油总公司 Moveable self-mounting platform applying cylindrical bases
CN105648997A (en) * 2014-11-11 2016-06-08 江苏海王星海洋油气装备有限公司 Detachable mobile platform and mounting and demounting method thereof
CN106828813A (en) * 2017-01-19 2017-06-13 上海交通大学 A kind of support positioner of application Yu Haiyang Very large floating structure
CN106828814A (en) * 2017-02-07 2017-06-13 上海交通大学 A kind of new shallow water supporting and positioning device
CN110254651A (en) * 2019-06-17 2019-09-20 江仁燕 A kind of mobile marine mining platform

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102373698A (en) * 2010-08-23 2012-03-14 中国海洋石油总公司 Moveable self-mounting platform applying cylindrical bases
CN105648997A (en) * 2014-11-11 2016-06-08 江苏海王星海洋油气装备有限公司 Detachable mobile platform and mounting and demounting method thereof
CN105648997B (en) * 2014-11-11 2017-09-15 天津市海王星海上工程技术股份有限公司 Dismountable mobile platform and its installing/dismounting method
CN106828813A (en) * 2017-01-19 2017-06-13 上海交通大学 A kind of support positioner of application Yu Haiyang Very large floating structure
CN106828813B (en) * 2017-01-19 2019-02-22 上海交通大学 A kind of support positioning device using Yu Haiyang Very large floating structure
CN106828814A (en) * 2017-02-07 2017-06-13 上海交通大学 A kind of new shallow water supporting and positioning device
CN110254651A (en) * 2019-06-17 2019-09-20 江仁燕 A kind of mobile marine mining platform

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Patentee after: China National Offshore Oil Corporation

Patentee after: CNOOC Research Center

Patentee after: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD.

Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Patentee before: China National Offshore Oil Corporation

Patentee before: CNOOC Research Center

Patentee before: Haiwangxing Ocean Engineering Technology Co., Ltd, Tianjin City

C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Patentee after: China National Offshore Oil Corporation

Patentee after: CNOOC Research Institute

Patentee after: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD.

Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Patentee before: China National Offshore Oil Corporation

Patentee before: CNOOC Research Center

Patentee before: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee after: CNOOC research institute limited liability company

Patentee after: China Offshore Oil Group Co., Ltd.

Co-patentee after: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD.

Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee before: CNOOC Research Institute

Patentee before: China National Offshore Oil Corporation

Co-patentee before: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT CO., LTD.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110413