CN105735222B - A kind of seawater column and self-elevating drilling platform for self-elevating drilling platform - Google Patents
A kind of seawater column and self-elevating drilling platform for self-elevating drilling platform Download PDFInfo
- Publication number
- CN105735222B CN105735222B CN201610127795.1A CN201610127795A CN105735222B CN 105735222 B CN105735222 B CN 105735222B CN 201610127795 A CN201610127795 A CN 201610127795A CN 105735222 B CN105735222 B CN 105735222B
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- self
- immersible pump
- slide rail
- seawater
- drilling platform
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of seawater column and self-elevating drilling platform for self-elevating drilling platform, platform includes spud leg and shoe, and seawater column includes slide rail, lifting pipe, immersible pump and seawater supply servicing unit.Slide rail is arranged on the string pipe of spud leg; slide rail bottom has plugging device; and there is pin-and-hole on slide rail; seawater supplies servicing unit at the top of lifting pipe; immersible pump has pillar; lifting pipe and immersible pump have slide lock device; slide lock device is used to coordinate the slip or locking for realizing immersible pump and lifting pipe with slide rail; plugging device is used to protect shoe from infringement when immersible pump comes off; pillar is used to protect immersible pump to damage from external environment, and immersible pump, lifting pipe and seawater supply servicing unit are used for the seawater supply for realizing the platform jointly.The platform also includes above-mentioned seawater column.Invention enhances seawater column to resist boisterous ability, it is ensured that the continuity of platform seawater supply in inclement weather, so as to not influence platform normal drilling operability.
Description
Technical field
The present invention relates to seawater column and drilling platforms, more particularly to a kind of seawater column for self-elevating drilling platform and from
Lift-type drilling platforms.
Background technology
Self-elevating drilling platform original seawater method of supplying uses seawater column centralizedly supply, and 3 immersible pumps are placed in seawater column,
During by ship and severe winter, due to the factor of strong wind and sea floating ice, fortuitous collision seawater column and floating ice impact sea be present
The major hidden danger of water tower, it is excessively huge to easily cause seawater column stress, is broken impaired into sea or bending, and platform loses seawater supply,
So as to influence platform normal drilling operability.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of seawater column for self-elevating drilling platform and jack up to bore
Well platform, enhance seawater column and resist boisterous ability, it is ensured that the continuity of platform seawater supply in inclement weather, from
Without influenceing platform normal drilling operability.
It is described from liter the invention provides a kind of seawater column for self-elevating drilling platform in order to solve the above problems
Formula drilling platforms includes spud leg and shoe, and the seawater column includes slide rail, lifting pipe, immersible pump and seawater supply servicing unit,
The slide rail is fixedly mounted on the string pipe of the spud leg, and the slide rail bottom has plugging device, and described
There is a pin-and-hole per certain intervals on slide rail,
Seawater supply servicing unit is arranged on the top of the lifting pipe,
The immersible pump has pillar,
The lifting pipe and the immersible pump each have slide lock device,
The slide lock device is used to coordinate to realize the slip of the immersible pump and the lifting pipe with the slide rail
Or locking,
The plugging device is used to protect the shoe from damaging when the immersible pump comes off,
The pillar is used to protect the immersible pump to damage from external environment,
The immersible pump, the lifting pipe and seawater supply servicing unit are used to realize the jack-up rigs jointly
The seawater supply of platform.
Further, laterally opened U-shaped protective cover is installed at the tidal range band of the immersible pump and the lifting pipe, be used for
Protect cables from external environment infringement.
Further, the seawater supply servicing unit includes flange, threeway and sebific duct, one end of the flange and institute
The blind flange connection of lifting pipe is stated, and the other end of the flange is connected with a port of the threeway, the threeway goes out
Water end (W.E.) mouth is connected with sebific duct, and the sebific duct is used to seawater being supplied to the self-elevating drilling platform.
Further, the top of the lifting pipe has a guide pad, the guide pad be located at below the flange and with
The water outlet port of the threeway is into an angle of 90 degrees, and the guide pad has and the pin-and-hole identical pin-and-hole on the slide rail, institute
The formation of guide pad and the slide rail for pump suspension of diving under water is stated, wherein, the guide pad and the respective pin of the slide rail
The multiple fixed pin connection is formed theft-resistant link chain by hole equipped with multiple steady pins, with chain, and using the theft-resistant link chain as
The diving pump suspension.
Further, there is cable hugging to be used to protect cable on the flange.
Further, the slide rail is made up of H profile steel, is welded with sacrificial anode, and surface using anti-biological coating come
Protection.
Further, the slide rail is made up of multiple tracks and has multiple connecting plates, the abutting end on adjacent orbit
Portion is respectively welded with an adjacent filament plate, and the connecting plate is used to two adjacent filament plates be fixed together to ensure the slide rail
Overall linearity.
Further, the area of the connecting plate is identical with the area of two adjacent filament plates.
In order to solve the above problems, the invention provides a kind of self-elevating drilling platform, the self-elevating drilling platform bag
Include any seawater column as described above.
Further, the self-elevating drilling platform also includes immersible pump maintenance Lift-on/Lift-off System, and the immersible pump maintenance is hung
Dress system include physically with it is operatively-coupled together with universal sliding pulley, hoist, directive wheel and Current Collector Sleave, it is described
Universal sliding pulley is arranged on the top of the spud leg, the immersible pump maintenance Lift-on/Lift-off System and the diving pump suspension
Coordinated to realize the maintenance to immersible pump.
Further, the lockset that hangs includes safety rope.
According to the present invention, lifting ship time immersible pump can both follow hull to lift, and spud leg can also be followed to lift.Need not
Special messenger operates, and avoids failure caused by manual operation.Immersible pump can the smooth slip in slide rail, no jam phenomenon；In cunning
Rail optional position, pump assembly can be split out out of pillar, convenient maintenance.
According to the present invention, maintainer is easy to the service work of immersible pump, reduce platform constantly acting load, while can
To save the maintenance cost of seawater column, completely eliminate fortuitous collision seawater column and floating ice impacts the great hidden of seawater column
Suffer from, it is ensured that in the continuity that bad weather and special circumstances lower platform seawater are supplied.Strengthen platform sea water service system anti-ice, wind and wave resistance
With resist boisterous ability.
According to the present invention, immersible pump maintenance Lift-on/Lift-off System can meet the needs of immersible pump maintenance, without taking crane.Keep away
Exempt to need the situation for taking crane during seawater column system conversion immersible pump, resource has been saved for production operation.
According to the present invention, corresponding preparation is done to adapt to high air gap drillng operation from now on, it is only necessary to change high-lift dive
The length of water pump and increase lifting pipe, it is possible to meet the needs of production.
Brief description of the drawings
Fig. 1 is the structural representation of the self-elevating drilling platform of the embodiment of the present invention；
Fig. 2 is the pictorial diagram of the sacrificial anode welded on the slide rail of the embodiment of the present invention；
Fig. 3 is the manual fixed schematic diagram of the pile body suspended portion of the embodiment of the present invention；
Fig. 4 is the pictorial diagram of the hull suspended portion of the embodiment of the present invention；And
Fig. 5 is that the immersible pump of the embodiment of the present invention overhauls the installation effect figure of Lift-on/Lift-off System.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
As shown in figure 1, the embodiment of the present invention provides a kind of seawater column for self-elevating drilling platform, the jack up bores
Well platform includes spud leg 1 and shoe 2, and the seawater column includes slide rail 3, lifting pipe 4, immersible pump 5 and seawater supply servicing unit
6,
The slide rail 3 is fixedly mounted on the string pipe of the spud leg 1, and the bottom of slide rail 3 has plugging device, and institute
State on slide rail 3 has a pin-and-hole per certain intervals,
Seawater supply servicing unit 6 is arranged on the top of the lifting pipe 4,
The immersible pump 5 has pillar,
The lifting pipe 4 and the immersible pump 5 each have slide lock device 7,
The slide lock device 7 is used to coordinate to realize the immersible pump 5 and the lifting pipe 4 with the slide rail 3
Slide or lock,
The plugging device is used to protect the shoe 2 from damaging when the immersible pump 5 comes off,
The pillar is used to protect the immersible pump 5 to damage from external environment,
The immersible pump 5, the lifting pipe 4 and seawater supply servicing unit 6 are used to realize the jack up jointly
The seawater supply of drilling platforms.
In a preferred embodiment of the invention, it is provided with tidal range band of the immersible pump 5 with the lifting pipe 4 laterally opened
U-shaped protective cover, for protecting cables from external environment infringement.
In a preferred embodiment of the invention, the seawater supply servicing unit 6 includes flange, threeway and sebific duct, the method
Blue one end is connected with the blind flange of the lifting pipe 4, and the other end of the flange is connected with a port of the threeway,
The water outlet port of the threeway is connected with sebific duct, and the sebific duct is used to seawater being supplied to the self-elevating drilling platform.
In a preferred embodiment of the invention, the top of the lifting pipe 4 has guide pad, and the guide pad is located at the method
Blue lower section and with the water outlet port of the threeway into an angle of 90 degrees, and the guide pad has and the pin-and-hole on the slide rail 3
The formation of identical pin-and-hole, the guide pad and the slide rail 3 for pump suspension of diving under water, wherein, the guide pad and institute
3 respective pin-and-hole of slide rail is stated equipped with multiple steady pins, the multiple fixed pin connection is formed into theft-resistant link chain with chain, and incite somebody to action
The theft-resistant link chain is as the diving pump suspension.
In a preferred embodiment of the invention, there is cable hugging to be used to protect cable on the flange.
In a preferred embodiment of the invention, the slide rail 3 is made up of H profile steel, is welded with sacrificial anode, and surface uses
Anti-biological coating is protected.
In a preferred embodiment of the invention, the slide rail 3 is made up of multiple tracks and has multiple connecting plates, adjacent rail
Adjacent end portion on road is respectively welded with an adjacent filament plate, and the connecting plate is used to two adjacent filament plates being fixed together to protect
Demonstrate,prove the overall linearity of the slide rail 3.
In a preferred embodiment of the invention, the area of the connecting plate is identical with the area of two adjacent filament plates.
The embodiment of the present invention additionally provides a kind of self-elevating drilling platform, and the self-elevating drilling platform includes as described above
Any seawater column.
In a preferred embodiment of the invention, the self-elevating drilling platform also includes immersible pump maintenance Lift-on/Lift-off System 8, described
Immersible pump maintenance Lift-on/Lift-off System 8 include physically with it is operatively-coupled together with universal sliding pulley, hoist, directive wheel
And Current Collector Sleave, the universal sliding pulley are arranged on the top of the spud leg 1, the immersible pump maintenance Lift-on/Lift-off System 8 and institute
Diving pump suspension is stated to be coordinated to realize the maintenance to immersible pump 5.
In a preferred embodiment of the invention, the lockset that hangs includes safety rope.
In embodiments of the present invention, as shown in Fig. 2 slide rail 3 is made using H profile steel, and exist according to corresponding requirement for anticorrosion
Correct position welds sacrificial anode, and surface is protected using anti-biological coating.
In embodiments of the present invention, detected a flaw after filament plate welding, it is ensured that the quality of weld seam, on each filament plate tapping be used for and even
The connection of fishplate bar；The each interface both sides of track are fixed, and are fixed per side with multiple bolts.Above-mentioned measure can ensure overall slide rail 3
Linearity, it is ensured that the assembly of immersible pump 5 and lifting pipe 4 slides freely in slide rail 3, and no jam phenomenon occurs.
In embodiments of the present invention, the fixed form on spud leg 1 is fixed using clamp, track fixation clamp and track
Fixed between body using welding manner, the connected mode of every interorbital is bolt connection.The bottom of slide rail 3 is using detachable
Plugging device, prevent immersible pump 5 come off damage shoe 2.
In embodiments of the present invention, all lifting pipes 4 are made according to uniform sizes and standard.Every lifting pipe 4 one
Dismountable guide pad, threeway and flange, other end welding suspension and guide pad support are installed in end, are detected a flaw after welding and ensure to close
Lattice；Threeway delivery port and guide pad angle are 90 degree, are easy to connection rubber tube.Each three wildcards, one blank flange, connection rubber tube
When flange is dismantled, the blind flange of other lifting pipes 4 tightens with threeway flange.Flange sealing surface seals for waterline, the method for lifting pipe 4
Orchid is welded as interior external welding, cable hugging is made on flange, for protecting cable.Install 8 additional at the tidal range band of electric submersible pump lifting pipe 4
Laterally opened stainless steel cable (U-shaped) protective cover of rice and energy locking, prevent winter floating ice from damaging cable.Making for protection immersible pump 5
Do not damaged during industry by external environment, (guide block, pillar length are 14 inches of filter net type stainless steel pillars of the additional diameter of pump group
4 meters), length and drainage mouth position had both met that, now using the installation of immersible pump 5, and can meets that (big pump) installs and uses requirement,
Pump head and pillar are bolt connection, and easy to disassemble, bottom is bullet, is easy to transfer.The appropriate position on electric submersible pump and lifting pipe 4
Installation slip and locking device are put, is easy to move and fix on slideway, often saving lifting pipe 4 has guide pad, and guide pad can
With dismounting, guide pad is located at below the ring flange of lifting pipe 4 at 1m.
In embodiments of the present invention, as shown in Figure 3 and Figure 4, diving pump suspension may be implemented as the suspension part of spud leg 1
Divide and hull suspended portion.The suspended portion of spud leg 1：Hole is made and sold on the guide pad and track of lifting pipe 4, is equipped with Stainless steel 316 L
Steady pin.Hull suspended portion：Suspension arrangement is made in hull, the suspension arrangement can easily stretch, and meet long-term
The requirement of safety suspension pump group.By the use of the fixed part of lifting pipe 4 and guide pad as the hanging position on lifting pipe 4,
Its intensity is calculated.
In embodiments of the present invention, as shown in figure 5, overhauling Lift-on/Lift-off System 8 on immersible pump, slided in the installation of the top of spud leg 1
Dynamic formula Universal pulley, a set of immersible pump is formed by hoist, pulley and Current Collector Sleave and overhauls Lift-on/Lift-off System 8.Overhaul immersible pump 5
When, coordinated using the Lift-on/Lift-off System 8 and suspension arrangement, the related work that elevator pump physical examination is repaiied can be completed, without taking
Crane.
Compared with prior art, lifting of embodiment of the present invention ship time immersible pump 5 can both follow hull to lift, can also be with
Lifted with spud leg 1.Sea water pump can the smooth slip in slide rail 3, no jam phenomenon；In the optional position of slide rail 3, pump assembly can be with
Split out out of pillar, convenient maintenance.
By reforming sea water service system, maintainer is easy to the service work of immersible pump 5, reduce platform and fix load
Lotus, while the maintenance cost of seawater column can be saved, completely eliminate fortuitous collision seawater column and floating ice impact seawater column
Major hidden danger, it is ensured that in the continuity that bad weather and special circumstances lower platform seawater are supplied.Enhancing platform sea water service system resists
Ice, wind and wave resistance and resist boisterous ability.
Seawater Tower System lifting ship time must have special messenger's operation to follow hull to lift, and the system after innovation can lift with hull
It can also be lifted with spud leg 1, it is not necessary to which special messenger operates, and avoids failure caused by manual operation.
The immersible pump maintenance Lift-on/Lift-off System 8 newly installed can meet the needs that immersible pump 5 overhauls, without taking crane.Solution
The problem of needing to take 1 crane during seawater column of having determined system conversion immersible pump 5, resource is saved for production operation.
Sea water service system after innovation has done corresponding preparation to adapt to high air gap drillng operation from now on, it is only necessary to changes high-lift
Immersible pump 5 and increase lifting pipe 4 length, it is possible to meet production the needs of.
Although disclosed herein embodiment as above, described content only to facilitate understand the present invention and adopt
Embodiment, it is not limited to the present invention.Any those skilled in the art to which this invention pertains, this is not being departed from
On the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But the scope of patent protection of the present invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of seawater column for self-elevating drilling platform, the self-elevating drilling platform includes spud leg and shoe, its feature
It is, the seawater column includes slide rail, lifting pipe, immersible pump and seawater supply servicing unit,
The slide rail is fixedly mounted on the string pipe of the spud leg, and the slide rail bottom has plugging device, and the slide rail
It is upper that there is a pin-and-hole per certain intervals,
The top of the lifting pipe has guide pad, and the guide pad has and the pin-and-hole identical pin on the slide rail
The formation of hole, the guide pad and the slide rail for pump suspension of diving under water, wherein, the guide pad and the slide rail are each
Pin-and-hole equipped with multiple steady pins, the multiple fixed pin connection is formed into theft-resistant link chain with chain, and by the theft-resistant link chain
As the diving pump suspension；
Seawater supply servicing unit is arranged on the top of the lifting pipe,
The immersible pump has pillar, and in slide rail optional position, immersible pump can be split out out of pillar, convenient maintenance；
The lifting pipe and the immersible pump each have slide lock device, in the immersible pump and the tidal range of the lifting pipe
Laterally opened U-shaped protective cover is installed at band, for protecting cables from external environment infringement；
The slide lock device is used to coordinate to realize the slip of the immersible pump and the lifting pipe or lock with the slide rail
It is fixed,
The plugging device is used to protect the shoe from damaging when the immersible pump comes off,
The pillar is used to protect the immersible pump to damage from external environment,
The immersible pump, the lifting pipe and seawater supply servicing unit are used to realize the self-elevating drilling platform jointly
Seawater supply.
2. it is used for the seawater column of self-elevating drilling platform as claimed in claim 1, it is characterised in that the seawater supply auxiliary
Device includes flange, threeway and sebific duct, and one end of the flange is connected with the blind flange of the lifting pipe, and the flange
The other end is connected with a port of the threeway, and the water outlet port of the threeway is connected with sebific duct, and the sebific duct is used for sea
Water supply is to the self-elevating drilling platform.
3. it is used for the seawater column of self-elevating drilling platform as claimed in claim 2, it is characterised in that the guide pad is located at
Into an angle of 90 degrees below the flange and with the water outlet port of the threeway.
4. it is used for the seawater column of self-elevating drilling platform as claimed in claim 3, it is characterised in that there is electricity on the flange
Cable hugging is used to protect cable.
5. the seawater column for self-elevating drilling platform as described in claim 1,2,3 or 4, it is characterised in that the slide rail
It is made up of H profile steel, is welded with sacrificial anode, and surface is protected using anti-biological coating.
6. it is used for the seawater column of self-elevating drilling platform as claimed in claim 5, it is characterised in that：The slide rail is by multiple rails
Road forms and has multiple connecting plates, and the adjacent end portion on adjacent orbit is respectively welded with an adjacent filament plate, the connecting plate
For two adjacent filament plates to be fixed together to ensure the overall linearity of the slide rail.
7. it is used for the seawater column of self-elevating drilling platform as claimed in claim 6, it is characterised in that：The area of the connecting plate
It is identical with the area of two adjacent filament plates.
8. a kind of self-elevating drilling platform, the self-elevating drilling platform includes spud leg and shoe, it is characterised in that described from liter
Formula drilling platforms includes any seawater column as described above.
9. self-elevating drilling platform as claimed in claim 8, it is characterised in that the self-elevating drilling platform also includes diving
Pump overhauls Lift-on/Lift-off System, immersible pump maintenance Lift-on/Lift-off System include physically with it is operatively-coupled together with universal sliding
Pulley, hoist, directive wheel and Current Collector Sleave, the universal sliding pulley are arranged on the top of the spud leg, the immersible pump
Maintenance Lift-on/Lift-off System is coordinated to realize the maintenance to immersible pump with the diving pump suspension.
10. self-elevating drilling platform as claimed in claim 9, it is characterised in that the Current Collector Sleave includes safety rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610127795.1A CN105735222B (en) | 2016-03-07 | 2016-03-07 | A kind of seawater column and self-elevating drilling platform for self-elevating drilling platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610127795.1A CN105735222B (en) | 2016-03-07 | 2016-03-07 | A kind of seawater column and self-elevating drilling platform for self-elevating drilling platform |
Publications (2)
| Publication Number | Publication Date |
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| CN105735222A CN105735222A (en) | 2016-07-06 |
| CN105735222B true CN105735222B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610127795.1A Active CN105735222B (en) | 2016-03-07 | 2016-03-07 | A kind of seawater column and self-elevating drilling platform for self-elevating drilling platform |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685837B (en) * | 2016-08-05 | 2020-06-26 | 烟台中集来福士海洋工程有限公司 | Self-elevating platform, submersible pump system thereof and submersible pump elevating method |
| CN108423132A (en) * | 2018-05-16 | 2018-08-21 | 中船黄埔文冲船舶有限公司 | A kind of water fetching device and method for fetching water for jack-up unit |
| CN112291956A (en) * | 2020-09-03 | 2021-01-29 | 海洋石油工程股份有限公司 | Underwater electricity distribution box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201309578Y (en) * | 2008-12-17 | 2009-09-16 | 郑州富格海洋工程装备有限公司 | Self-elevating sea drilling platform novel water tower |
| CN202482093U (en) * | 2012-02-22 | 2012-10-10 | 中国海洋石油总公司 | Tower well seawater lifting system |
| CN204356753U (en) * | 2014-11-21 | 2015-05-27 | 中国海洋石油总公司 | A kind of seawater column holder suspension supporting device |
| CN204435336U (en) * | 2015-01-12 | 2015-07-01 | 烟台中集来福士海洋工程有限公司 | Self-elevating ocean platform and submersible pump tower thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050047872A1 (en) * | 2003-09-03 | 2005-03-03 | Baugh Benton F. | Deepwell reel |
-
2016
- 2016-03-07 CN CN201610127795.1A patent/CN105735222B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201309578Y (en) * | 2008-12-17 | 2009-09-16 | 郑州富格海洋工程装备有限公司 | Self-elevating sea drilling platform novel water tower |
| CN202482093U (en) * | 2012-02-22 | 2012-10-10 | 中国海洋石油总公司 | Tower well seawater lifting system |
| CN204356753U (en) * | 2014-11-21 | 2015-05-27 | 中国海洋石油总公司 | A kind of seawater column holder suspension supporting device |
| CN204435336U (en) * | 2015-01-12 | 2015-07-01 | 烟台中集来福士海洋工程有限公司 | Self-elevating ocean platform and submersible pump tower thereof |
Non-Patent Citations (1)
| Title |
|---|
| 某石油平台海水冷却系统腐蚀分析与防护方法;田俊杰等;《腐蚀与防护》;20070930;第28卷(第9期);第478页 * |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |