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EP4527981A4 - EXTERNAL FPSO CORROSION PROTECTION DEVICE - Google Patents

EXTERNAL FPSO CORROSION PROTECTION DEVICE

Info

Publication number
EP4527981A4
EP4527981A4 EP23806791.2A EP23806791A EP4527981A4 EP 4527981 A4 EP4527981 A4 EP 4527981A4 EP 23806791 A EP23806791 A EP 23806791A EP 4527981 A4 EP4527981 A4 EP 4527981A4
Authority
EP
European Patent Office
Prior art keywords
fpso
external
protection device
corrosion protection
corrosion
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.)
Pending
Application number
EP23806791.2A
Other languages
German (de)
French (fr)
Other versions
EP4527981A1 (en
Inventor
Lei Liu
Tienan Qin
Dongxu Zhu
Xinyu Zhang
Jiaquan Feng
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.)
Dalian Kingmile Marine Technology Co Ltd
Original Assignee
Dalian Kingmile Marine Technology Co Ltd
Dalian Kingmile Marine Tech Co Ltd
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 Dalian Kingmile Marine Technology Co Ltd, Dalian Kingmile Marine Tech Co Ltd filed Critical Dalian Kingmile Marine Technology Co Ltd
Publication of EP4527981A1 publication Critical patent/EP4527981A1/en
Publication of EP4527981A4 publication Critical patent/EP4527981A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/18—Means for supporting electrodes
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/20—Conducting electric current to electrodes
    • 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
    • E02B17/0017—Means for protecting offshore constructions
    • E02B17/0026—Means for protecting offshore constructions against corrosion
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
    • C23F2213/31—Immersed structures, e.g. submarine structures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Prevention Of Electric Corrosion (AREA)
EP23806791.2A 2022-05-16 2023-05-11 EXTERNAL FPSO CORROSION PROTECTION DEVICE Pending EP4527981A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210531260.6A CN114717563A (en) 2022-05-16 2022-05-16 FPSO external anti-corrosion device
PCT/CN2023/093353 WO2023221839A1 (en) 2022-05-16 2023-05-11 Fpso external anti-corrosion apparatus

Publications (2)

Publication Number Publication Date
EP4527981A1 EP4527981A1 (en) 2025-03-26
EP4527981A4 true EP4527981A4 (en) 2025-10-08

Family

ID=82230297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23806791.2A Pending EP4527981A4 (en) 2022-05-16 2023-05-11 EXTERNAL FPSO CORROSION PROTECTION DEVICE

Country Status (4)

Country Link
US (1) US20250341000A1 (en)
EP (1) EP4527981A4 (en)
CN (1) CN114717563A (en)
WO (1) WO2023221839A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114717563A (en) * 2022-05-16 2022-07-08 大连科迈尔防腐科技有限公司 FPSO external anti-corrosion device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204775899U (en) * 2015-07-15 2015-11-18 招商局重工（江苏）有限公司 Connection structure of modified ballast tank sacrificial anode and hull
GB2545887A (en) * 2015-11-10 2017-07-05 Aquatec Group Ltd Corrosion inhibiting anodes
WO2021160457A1 (en) * 2020-02-10 2021-08-19 Single Buoy Moorings Inc. Spread moored vessel comprising a riser moonpool
CN215328376U (en) * 2021-07-23 2021-12-28 大连理工大学 An Impressed Current Cathodic Protection System for FPSO

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB794698A (en) * 1956-09-11 1958-05-07 Dow Chemical Co Galvanic anode installation
CN103205754A (en) * 2012-01-12 2013-07-17 上海船研环保技术有限公司 Buoyant suspension type impressed current cathodic protection device
KR101368880B1 (en) * 2012-02-17 2014-03-03 삼성중공업 주식회사 Cathodic protection apparatus for vessel
KR20150000905U (en) * 2013-08-21 2015-03-03 현대중공업 주식회사 Anode support apparatus
CN109913877B (en) * 2019-03-22 2021-01-26 青岛双瑞海洋环境工程股份有限公司 Easy-to-replace cathode protection device for large drum-shaped rotary filter screen
CN111876785A (en) * 2020-08-05 2020-11-03 上海外高桥造船有限公司 Current cathode protection system for FPSO outer plate corrosion prevention and setting method thereof
CN114717563A (en) * 2022-05-16 2022-07-08 大连科迈尔防腐科技有限公司 FPSO external anti-corrosion device
CN217266021U (en) * 2022-05-16 2022-08-23 大连科迈尔防腐科技有限公司 FPSO external anti-corrosion device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204775899U (en) * 2015-07-15 2015-11-18 招商局重工（江苏）有限公司 Connection structure of modified ballast tank sacrificial anode and hull
GB2545887A (en) * 2015-11-10 2017-07-05 Aquatec Group Ltd Corrosion inhibiting anodes
WO2021160457A1 (en) * 2020-02-10 2021-08-19 Single Buoy Moorings Inc. Spread moored vessel comprising a riser moonpool
CN215328376U (en) * 2021-07-23 2021-12-28 大连理工大学 An Impressed Current Cathodic Protection System for FPSO

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023221839A1 *

Also Published As

Publication number Publication date
WO2023221839A1 (en) 2023-11-23
EP4527981A1 (en) 2025-03-26
US20250341000A1 (en) 2025-11-06
CN114717563A (en) 2022-07-08

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Owner name: DALIAN KINGMILE MARINE TECHNOLOGY CO., LTD.

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