CN103014722A - Device for installing impressed current cathodic protection system on offshore platform - Google Patents
Device for installing impressed current cathodic protection system on offshore platform Download PDFInfo
- Publication number
- CN103014722A CN103014722A CN2012105486106A CN201210548610A CN103014722A CN 103014722 A CN103014722 A CN 103014722A CN 2012105486106 A CN2012105486106 A CN 2012105486106A CN 201210548610 A CN201210548610 A CN 201210548610A CN 103014722 A CN103014722 A CN 103014722A
- Authority
- CN
- China
- Prior art keywords
- steel pillar
- pillar
- platform
- erecting device
- cable
- 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.)
- Granted
Links
Images
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a device for installing an impressed current cathodic protection system on an offshore platform. The device comprises a steel protective tube and a cable, wherein the cable is arranged inside the steel protective tube, one end of the cable extends outside the top of the steel protective tube, both the top and the bottom of the steel protective tube are arranged in a sealing way, a plurality of auxiliary anodes are arranged on the steel protective tube, the auxiliary anodes are connected with the cable, and a plurality of platform rod members are arranged on the steel protective tube, and connected with the platform to be installed. The device solves the problem that the service life of the existing commonly-used sacrificial anode can not meet the requirement for prolonging the service life of the offshore oil platform, and reduces the workload of modifying the cathodic protection system for prolonging the service life of the oil platform. The device can be widely applied to corrosion protection of iron and steel materials which are immersed in sea water.
Description
Technical field
The present invention relates to a kind of erecting device, be specifically related to a kind of erecting device of offshore oil platform impressed current cathodic protection system.
Background technology
In marine petroleum exploitation, most offshore oil platforms adopt ferrous materials, and seawater has very strong corrodibility to iron and steel.In order to protect iron and steel not to be corroded, must apply galvanic protection, method commonly used comprises impressed current and sacrificial anode, and sacrificial anode is widely used at present, and sacrificial anode is aluminum base alloy.The a large amount of non-ferrous metals of sacrificial anode consumption, sacrificial anode not only increases platform weight, also increases the platform moving load, thereby increases the Platform Steel amount; In addition, sacrificial anode runs out of and has just lost provide protection, if platform need to continue to use, needs new cathodic protection system is installed, and cost is very high.Impressed current method is installed supplementary anode by the power supply of platform power source at platform, and supplementary anode does not consume substantially; environmentally friendly, long service life can be according to platform actual demand regulation output voltage and outward current; if increase other structures on the platform, do not need to increase newly cathodic protection system.The installation method of impressed current device is the important content that cathodic protection system is used; extremely important to impressed current protection effect and global reliability; although impressed current is having great advantage aspect technology and the economy; do not have good installation method all the time, limited the application on the oil platform at sea.
Summary of the invention
For the problems referred to above, the purpose of this invention is to provide a kind of erecting device of offshore platform impressed current cathodic protection system.
The erecting device of a kind of offshore platform impressed current cathodic protection system provided by the present invention comprises steel pillar and cable; Described cable is located in the described steel pillar, and an end of described cable stretches out from the top of described steel pillar; The top of described steel pillar and bottom are sealing setting;
Described steel pillar is provided with several supplementary anodes, and described auxiliary cathode is connected with described cable;
Described steel pillar is provided with several platform rod members, and described platform rod member can be connected with platform to be installed.
In the above-mentioned erecting device, described supplementary anode can be connected with described steel pillar by the supplementary anode strut member.
In the above-mentioned erecting device, described platform rod member is connected with described steel pillar by the pillar strut member.
In the above-mentioned erecting device, described pillar strut member and described steel pillar and platform rod member all can be and are welded and fixed.
In the above-mentioned erecting device, described pillar strut member is provided with isolated flange.
In the above-mentioned erecting device, described steel pillar is provided with several sacrificial anodes, is used for further protection steel pillar.
In the above-mentioned erecting device, the top of described steel pillar seals by thermal shrinkable sleeve;
The bottom of described steel pillar seals by steel pillar plug.
In the above-mentioned erecting device, the outside surface of described steel pillar, pillar strut member, isolated flange, supplementary anode strut member and steel pillar plug is coated with insulation layer, this insulation layer is taked any material in chloroprene rubber, polyolefine, epoxy and the polyureas, and its thickness is not less than 2mm; Also be coated with pyrocondensation belt on the insulation layer of described isolated flange.
The present invention is owing to take above technical scheme, and it has the following advantages:
1, the present invention is owing to installed some supplementary anodes on the oil platform at sea; make that all rod members of structure formation complexity all obtain effective cathodic polarization on the offshore oil platform; can adopt impressed current method that offshore oil platform is implemented galvanic protection, realize the object of the invention.
2, the present invention has protected cable to avoid damaging owing to adopted the steel pillar, is provided with isolated flange on the steel pillar, has guaranteed steel pillar and platform impressed current system electrical isolation, and the overprotection of galvanic protection can not occur.The steel pillar is installed on the platform by the pillar strut member, makes supplementary anode and platform rod member keep certain distance, has guaranteed to adopt quantity few supplementary anode of trying one's best, and the protection potential of platform is in the suitable scope.
3, the invention solves the requirement that sacrificial anode now commonly used can not satisfy the offshore oil platform prolongs life work-ing life, reduce the workload that the oil platform prolongs life is transformed cathodic protection system.The present invention can be widely used in the corrosion prevention of immersing the ferrous materials in the seawater.
Description of drawings
Fig. 1 is the front view of erecting device of the present invention.
Fig. 2 is the side-view of Fig. 1.
Fig. 3 is the synoptic diagram at the steel pillar top of erecting device of the present invention.
Fig. 4 is the synoptic diagram of the steel pillar bottom of erecting device of the present invention.
Each mark is as follows among the figure: 1 continuous-current plant, 2 cables, 3 steel pillars, 4 supplementary anodes, 5 platform rod members, 6 pillar strut members, 7 isolated flanges, 8 sacrificial anodes, 9 supplementary anode strut members, 10 thermal shrinkable sleeves, 11 steel pillar plugs.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing, but the present invention is not limited to following examples.
As depicted in figs. 1 and 2, the erecting device of offshore platform impressed current cathodic protection system provided by the invention comprises a steel pillar 3 and cable 2; This cable 2 penetrates in the steel pillar 3, and an end of this cable 2 stretches out from the top of steel pillar 3, is connected with continuous-current plant 1 on being placed on platform deck; As shown in Figure 3, the top of this steel pillar 3 adopts high density polyethylene(HDPE) thermal shrinkable sleeve 10 to carry out encapsulation process, and as shown in Figure 4, the bottom welding steel pillar plug 11 of this steel pillar 3 carries out encapsulation process; This steel pillar 3 is provided with among a plurality of supplementary anode 4(figure and only illustrates 4), set supplementary anode 4 is connected with steel pillar 3 by supplementary anode strut member 9, and this supplementary anode 4 is connected with cable 2; This steel pillar 3 is connected with 3 platform rod members 5 by pillar strut member 6, and this pillar strut member 6 and steel pillar 3 be connected with the platform rod member and all adopt the mode of welding to be connected, and the platform rod member 5 of setting is used for ocean platform to be installed and is connected; Each pillar strut member 6 is provided with an isolated flange 7, applies by insulation layer on the outside surface of this isolated flange 7, and it can adopt any material in chloroprene rubber, polyolefine, epoxy and the polyureas, coats by pyrocondensation belt in its insulation layer Shanghai; On steel pillar 3, also have additional 3 sacrificial anodes 8, for the protection of steel pillar 3.In this erecting device, on the outside surface of steel pillar 3, pillar strut member 6, supplementary anode strut member 9 and steel pillar plug 11, also be coated with insulation layer, its thickness can be controlled at more than the 2mm as the case may be.
The erecting device of offshore platform impressed current cathodic protection system of the present invention, can install according to following process:
1) at first at several platform rod member 5 several pillar strut member 6 of welding, steel pillar 3 adopts isolated flange 7 to be installed on each pillar strut member 6, the bottom welding steel pillar plug 11 of steel pillar 3 carries out encapsulation process, several supplementary anode strut members 9 of welding on the steel pillar 3 are installed a supplementary anode 4 on per two supplementary anode strut members 9;
2) several sacrificial anodes 8 of welded and installed on the steel pillar 3;
3) cable 2 penetrates in the steel pillar 3, and an end of cable 2 stretches out from the top of steel pillar 3, is connected with continuous-current plant 1 on being placed on platform deck, and the other end of cable 2 penetrates pillar strut member 6 and is connected with supplementary anode 4;
4) top of steel pillar 3 adopts high density polyethylene(HDPE) thermal shrinkable sleeve 10 to carry out encapsulation process;
During work, unlatching continuous-current plant 1 can be realized the protection to platform.
Claims (9)
1. the erecting device of an offshore platform impressed current cathodic protection system is characterized in that:
Described erecting device comprises steel pillar and cable; Described cable is located in the described steel pillar, and an end of described cable stretches out from the top of described steel pillar; The top of described steel pillar and bottom are sealing setting;
Described steel pillar is provided with several supplementary anodes, and described auxiliary cathode is connected with described cable;
Described steel pillar is provided with several platform rod members, and described platform rod member can be connected with platform to be installed.
2. erecting device according to claim 1, it is characterized in that: described supplementary anode is connected with described steel pillar by the supplementary anode strut member.
3. erecting device according to claim 1 and 2, it is characterized in that: described platform rod member is connected with described steel pillar by the pillar strut member.
4. erecting device according to claim 3, it is characterized in that: described pillar strut member and described steel pillar and platform rod member are and are welded and fixed.
5. according to claim 3 or 4 described erecting devices, it is characterized in that: described pillar strut member is provided with isolated flange.
6. each described erecting device according to claim 1-5 is characterized in that: described steel pillar is provided with several sacrificial anodes.
7. each described erecting device according to claim 1-6, it is characterized in that: the top of described steel pillar seals by thermal shrinkable sleeve;
The bottom of described steel pillar seals by steel pillar plug.
8. erecting device according to claim 7, it is characterized in that: the outside surface of described steel pillar, pillar strut member, isolated flange, supplementary anode strut member and steel pillar plug is coated with insulation layer.
9. erecting device according to claim 8 is characterized in that: also be coated with pyrocondensation belt on the insulation layer of described isolated flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210548610.6A CN103014722B (en) | 2012-12-17 | 2012-12-17 | Device for installing impressed current cathodic protection system on offshore platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210548610.6A CN103014722B (en) | 2012-12-17 | 2012-12-17 | Device for installing impressed current cathodic protection system on offshore platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103014722A true CN103014722A (en) | 2013-04-03 |
| CN103014722B CN103014722B (en) | 2015-07-22 |
Family
ID=47963827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210548610.6A Active CN103014722B (en) | 2012-12-17 | 2012-12-17 | Device for installing impressed current cathodic protection system on offshore platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103014722B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118343A (en) * | 2018-01-17 | 2018-06-05 | 青岛钢研纳克检测防护技术有限公司 | The impressed current of jacket platform and sacrificial anode Combined Protection device and method |
| CN108411308A (en) * | 2018-03-30 | 2018-08-17 | 东北电力大学 | Novel buried pipeline cathod protector and method |
| CN115786920A (en) * | 2022-11-28 | 2023-03-14 | 深海技术科学太湖实验室 | Auxiliary anode device for ocean platform cathode protection and installation method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176033A (en) * | 1978-04-10 | 1979-11-27 | Exxon Production Research Company | Anode clamp assembly and method of installation |
| US4196064A (en) * | 1978-11-06 | 1980-04-01 | Conoco, Inc. | Marine fouling control |
| US4251343A (en) * | 1979-10-05 | 1981-02-17 | Conoco, Inc. | Sacrificial anode apparatus |
| US4318787A (en) * | 1980-02-22 | 1982-03-09 | Conoco Inc. | Sacrificial anode composition in cathodic protection process |
| US4544465A (en) * | 1983-10-26 | 1985-10-01 | Union Oil Company Of California | Galvanic anodes for submergible ferrous metal structures |
| USH544H (en) * | 1982-05-21 | 1988-11-01 | The Dow Chemical Company | Impressed current cathodic protection system employing cobalt spinel structured anode |
| CN201043641Y (en) * | 2006-01-24 | 2008-04-02 | 中国海洋石油总公司 | Single-layer heat-preserving counterbalance pipe with cathode protection device used in oceanography engineering |
| CN102277580A (en) * | 2011-08-31 | 2011-12-14 | 中国海洋石油总公司 | Impressed current cathode protection method for jacket platform |
| CN102277578A (en) * | 2010-06-12 | 2011-12-14 | 中国海洋石油总公司 | ICCP (impressed current cathodic protection) method of leg type platform |
| CN202201980U (en) * | 2011-09-10 | 2012-04-25 | 孙达坤 | Sacrificial anode string for protecting cathode of marine structure |
| CN203096179U (en) * | 2012-12-17 | 2013-07-31 | 中国海洋石油总公司 | Mounting device of impressed current cathodic protection system for marine platform |
-
2012
- 2012-12-17 CN CN201210548610.6A patent/CN103014722B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176033A (en) * | 1978-04-10 | 1979-11-27 | Exxon Production Research Company | Anode clamp assembly and method of installation |
| US4196064A (en) * | 1978-11-06 | 1980-04-01 | Conoco, Inc. | Marine fouling control |
| US4251343A (en) * | 1979-10-05 | 1981-02-17 | Conoco, Inc. | Sacrificial anode apparatus |
| US4318787A (en) * | 1980-02-22 | 1982-03-09 | Conoco Inc. | Sacrificial anode composition in cathodic protection process |
| USH544H (en) * | 1982-05-21 | 1988-11-01 | The Dow Chemical Company | Impressed current cathodic protection system employing cobalt spinel structured anode |
| US4544465A (en) * | 1983-10-26 | 1985-10-01 | Union Oil Company Of California | Galvanic anodes for submergible ferrous metal structures |
| CN201043641Y (en) * | 2006-01-24 | 2008-04-02 | 中国海洋石油总公司 | Single-layer heat-preserving counterbalance pipe with cathode protection device used in oceanography engineering |
| CN102277578A (en) * | 2010-06-12 | 2011-12-14 | 中国海洋石油总公司 | ICCP (impressed current cathodic protection) method of leg type platform |
| CN102277580A (en) * | 2011-08-31 | 2011-12-14 | 中国海洋石油总公司 | Impressed current cathode protection method for jacket platform |
| CN202201980U (en) * | 2011-09-10 | 2012-04-25 | 孙达坤 | Sacrificial anode string for protecting cathode of marine structure |
| CN203096179U (en) * | 2012-12-17 | 2013-07-31 | 中国海洋石油总公司 | Mounting device of impressed current cathodic protection system for marine platform |
Non-Patent Citations (1)
| Title |
|---|
| 洪栋煌: "钢质海上固定平台的腐蚀与防护", 《造船技术》, 31 December 1982 (1982-12-31) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118343A (en) * | 2018-01-17 | 2018-06-05 | 青岛钢研纳克检测防护技术有限公司 | The impressed current of jacket platform and sacrificial anode Combined Protection device and method |
| CN108411308A (en) * | 2018-03-30 | 2018-08-17 | 东北电力大学 | Novel buried pipeline cathod protector and method |
| CN108411308B (en) * | 2018-03-30 | 2020-01-03 | 东北电力大学 | Buried pipeline cathode protection device and method |
| CN115786920A (en) * | 2022-11-28 | 2023-03-14 | 深海技术科学太湖实验室 | Auxiliary anode device for ocean platform cathode protection and installation method thereof |
| CN115786920B (en) * | 2022-11-28 | 2024-09-27 | 深海技术科学太湖实验室 | Auxiliary anode device for ocean platform cathode protection and installation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103014722B (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2008200741B2 (en) | Cathodic protection of a concrete structure having a part in contact with a wetting medium and a part above the medium | |
| CN201722427U (en) | Jacket impressed current cathode protection device | |
| CN108118343A (en) | The impressed current of jacket platform and sacrificial anode Combined Protection device and method | |
| CN204775899U (en) | Connection structure of modified ballast tank sacrificial anode and hull | |
| CN103014722B (en) | Device for installing impressed current cathodic protection system on offshore platform | |
| CN103060815A (en) | Jacket platform far anode type corrosion control device and use method thereof | |
| CN203096179U (en) | Mounting device of impressed current cathodic protection system for marine platform | |
| CN102277580A (en) | Impressed current cathode protection method for jacket platform | |
| CN102277578A (en) | ICCP (impressed current cathodic protection) method of leg type platform | |
| US20150068919A1 (en) | Cathodic protection system | |
| CN109338374B (en) | Cathode protection device | |
| CN204803412U (en) | Deep sea is polycell auxiliary anode for environment | |
| CN203947161U (en) | Cathode protection structure of buried pipeline with heat-insulating layer | |
| CN207904371U (en) | The impressed current and sacrificial anode Combined Protection device of jacket platform | |
| CN102072360A (en) | Pipe-jacking cathode protection embedding device and embedding method thereof | |
| CN109457256B (en) | Carpet type sacrificial anode device for submarine pipeline cathode protection repair | |
| CN103806006A (en) | Remote site suspension impressed current auxiliary anode device and usage thereof | |
| CN110484923B (en) | Cathode protection anticorrosion device for copper armor layer of submarine cable | |
| CN101609060B (en) | Anticorrosive device of oil storage tank during testing seawater pressure | |
| CN106149749A (en) | A kind of water-tight corrosion-proof anchor structure for blower foundation | |
| CN205975703U (en) | A waterproof construction for anchor subassembly | |
| CN102277579A (en) | Impressed current cathodic protection method for deepwater semisubmersible platform | |
| KR20160071814A (en) | Chain for mooring marine structure | |
| CN212669800U (en) | Bridge auxiliary anode mounting structure | |
| CN114318348B (en) | Oblique-pulling type impressed current cathode protection device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| 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. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |