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GB2314865B - Removal of scale from surfaces - Google Patents

Removal of scale from surfaces

Info

Publication number
GB2314865B
GB2314865B GB9713383A GB9713383A GB2314865B GB 2314865 B GB2314865 B GB 2314865B GB 9713383 A GB9713383 A GB 9713383A GB 9713383 A GB9713383 A GB 9713383A GB 2314865 B GB2314865 B GB 2314865B
Authority
GB
United Kingdom
Prior art keywords
removal
scale
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
GB9713383A
Other versions
GB9713383D0 (en
GB2314865A (en
Inventor
Richard William Keatch
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.)
Dyno Industrier AS
Original Assignee
Dyno Industrier AS
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 Dyno Industrier AS filed Critical Dyno Industrier AS
Publication of GB9713383D0 publication Critical patent/GB9713383D0/en
Publication of GB2314865A publication Critical patent/GB2314865A/en
Application granted granted Critical
Publication of GB2314865B publication Critical patent/GB2314865B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19—Iron or steel
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C09K8/528—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Catalysts (AREA)
GB9713383A 1996-06-29 1997-06-26 Removal of scale from surfaces Expired - Lifetime GB2314865B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9613714.6A GB9613714D0 (en) 1996-06-29 1996-06-29 Removal of scale from surfaces

Publications (3)

Publication Number Publication Date
GB9713383D0 GB9713383D0 (en) 1997-08-27
GB2314865A GB2314865A (en) 1998-01-14
GB2314865B true GB2314865B (en) 2000-12-13

Family

ID=10796122

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9613714.6A Pending GB9613714D0 (en) 1996-06-29 1996-06-29 Removal of scale from surfaces
GB9713383A Expired - Lifetime GB2314865B (en) 1996-06-29 1997-06-26 Removal of scale from surfaces

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9613714.6A Pending GB9613714D0 (en) 1996-06-29 1996-06-29 Removal of scale from surfaces

Country Status (1)

Country Link
GB (2) GB9613714D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7211550B2 (en) * 2000-07-14 2007-05-01 Cabot Corporation Compositions for controlling scaling and completion fluids
MY140701A (en) 2001-02-14 2010-01-15 Cabot Specialty Fluids Inc Drilling fluids containing an alkali metal formate
US7273832B2 (en) 2001-08-10 2007-09-25 Cabot Corporation Alkali metal tungstate compositions and uses thereof
GB2393120A (en) * 2002-09-18 2004-03-24 Johnson & Johnson Medical Ltd Compositions for wound treatment
CA2646533C (en) 2006-03-23 2011-12-06 M-I Production Chemicals Uk Limited A method for dissolving oilfield scale
US9783728B2 (en) 2016-01-12 2017-10-10 King Fahd University Of Petroleum And Minerals Method for removing iron sulfide scale
CA3049343A1 (en) 2019-07-11 2021-01-11 Fluid Energy Group Ltd. Composition useful in sulfate scale removal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1293440A (en) * 1970-09-08 1972-10-18 Frank Joseph Quattrini Improvements in or relating to scale removal solvents and processes
GB1469460A (en) * 1973-12-03 1977-04-06 Borg Warner Composition and method for removing insoluble scale deposits from surfaces
US5183112A (en) * 1991-08-16 1993-02-02 Mobil Oil Corporation Method for scale removal in a wellbore
US5366016A (en) * 1993-12-10 1994-11-22 Mobil Oil Corporation Use of variable density carrier fluids to improve the efficiency of scale dissolution

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1293440A (en) * 1970-09-08 1972-10-18 Frank Joseph Quattrini Improvements in or relating to scale removal solvents and processes
GB1469460A (en) * 1973-12-03 1977-04-06 Borg Warner Composition and method for removing insoluble scale deposits from surfaces
US5183112A (en) * 1991-08-16 1993-02-02 Mobil Oil Corporation Method for scale removal in a wellbore
US5366016A (en) * 1993-12-10 1994-11-22 Mobil Oil Corporation Use of variable density carrier fluids to improve the efficiency of scale dissolution

Also Published As

Publication number Publication date
GB9713383D0 (en) 1997-08-27
GB9613714D0 (en) 1996-08-28
GB2314865A (en) 1998-01-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20170625