WO1996007846A3 - An offshore pipeline with waterproof thermal insulation - Google Patents

An offshore pipeline with waterproof thermal insulation Download PDF

Info

Publication number
WO1996007846A3
WO1996007846A3 PCT/US1995/011023 US9511023W WO9607846A3 WO 1996007846 A3 WO1996007846 A3 WO 1996007846A3 US 9511023 W US9511023 W US 9511023W WO 9607846 A3 WO9607846 A3 WO 9607846A3
Authority
WO
WIPO (PCT)
Prior art keywords
thermal insulation
waterproof thermal
offshore pipeline
pipeline
offshore
Prior art date
Application number
PCT/US1995/011023
Other languages
French (fr)
Other versions
WO1996007846A2 (en
Inventor
Glen R Sumner
Original Assignee
Glen R Sumner
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 Glen R Sumner filed Critical Glen R Sumner
Priority to EP95930311A priority Critical patent/EP0784769B1/en
Priority to CA2198881A priority patent/CA2198881C/en
Priority to DE69531108T priority patent/DE69531108D1/en
Priority to AU33751/95A priority patent/AU3375195A/en
Publication of WO1996007846A2 publication Critical patent/WO1996007846A2/en
Publication of WO1996007846A3 publication Critical patent/WO1996007846A3/en
Priority to NO19970887A priority patent/NO318714B1/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/14Arrangements for the insulation of pipes or pipe systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/14Arrangements for the insulation of pipes or pipe systems
    • F16L59/143Pre-insulated pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/14Arrangements for the insulation of pipes or pipe systems
    • F16L59/16Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
    • F16L59/18Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for joints
    • F16L59/20Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for joints for non-disconnectable joints

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Sealing Material Composition (AREA)

Abstract

An improved, cost-effective, insulated pipeline (10) or assembly of pipelines suitable for use in water or below grade, that is insulated with a bituminous composition (20).
PCT/US1995/011023 1994-08-29 1995-08-29 An offshore pipeline with waterproof thermal insulation WO1996007846A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP95930311A EP0784769B1 (en) 1994-08-29 1995-08-29 An offshore pipeline with waterproof thermal insulation
CA2198881A CA2198881C (en) 1994-08-29 1995-08-29 An offshore pipeline with waterproof thermal insulation
DE69531108T DE69531108D1 (en) 1994-08-29 1995-08-29 OFFSHORE PIPELINE WITH WATERPROOF THERMAL INSULATION
AU33751/95A AU3375195A (en) 1994-08-29 1995-08-29 An offshore pipeline with waterproof thermal insulation
NO19970887A NO318714B1 (en) 1994-08-29 1997-02-27 Offshore pipeline with waterproof, thermal insulation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29705994A 1994-08-29 1994-08-29
US08/297,059 1994-08-29
US08/394,184 US6155305A (en) 1994-08-29 1995-02-24 Offshore pipeline with waterproof thermal insulation
US08/394,184 1995-02-24

Publications (2)

Publication Number Publication Date
WO1996007846A2 WO1996007846A2 (en) 1996-03-14
WO1996007846A3 true WO1996007846A3 (en) 1996-06-20

Family

ID=26969960

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/011023 WO1996007846A2 (en) 1994-08-29 1995-08-29 An offshore pipeline with waterproof thermal insulation

Country Status (8)

Country Link
US (4) US6155305A (en)
EP (1) EP0784769B1 (en)
CN (1) CN1073220C (en)
AU (1) AU3375195A (en)
CA (1) CA2198881C (en)
DE (1) DE69531108D1 (en)
NO (1) NO318714B1 (en)
WO (1) WO1996007846A2 (en)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326687A (en) * 1997-06-23 1998-12-30 British Steel Plc Double walled pipe structure
FR2769682B1 (en) * 1997-10-10 1999-12-03 Doris Engineering UNDERWATER TRANSFER OF PETROLEUM PRODUCTS
US6167912B1 (en) * 1997-11-25 2001-01-02 Patrick J. Stephens Method and composition for grouting water-flooded conduits
US6593836B1 (en) 1998-10-20 2003-07-15 Vlt Corporation Bobbins, transformers, magnetic components, and methods
US6600402B1 (en) * 1998-10-20 2003-07-29 Vlt Corporation Bobbins, transformers, magnetic components, and methods
DK1169400T3 (en) * 1999-03-16 2003-11-24 Shell Int Research Pipe coatings
BR0010945B1 (en) * 1999-05-26 2009-01-13 heat insulated steel pipe for deep sea pipe lines and process for manufacturing it.
GB9912451D0 (en) 1999-05-27 1999-07-28 Saipem Spa Insulated pipe structure and methods of making such structures
US6397895B1 (en) * 1999-07-02 2002-06-04 F. Glenn Lively Insulated pipe
US6365268B1 (en) * 2000-06-05 2002-04-02 Fmc Corporation Deep sea insulation material
US6896054B2 (en) * 2000-02-15 2005-05-24 Mcclung, Iii Guy L. Microorganism enhancement with earth loop heat exchange systems
US6267172B1 (en) 2000-02-15 2001-07-31 Mcclung, Iii Guy L. Heat exchange systems
US6585047B2 (en) 2000-02-15 2003-07-01 Mcclung, Iii Guy L. System for heat exchange with earth loops
AU2001289817A1 (en) * 2000-08-03 2002-02-18 Stolt Offshore Sa Thermally insulated pipeline bundle
NO20004783D0 (en) * 2000-09-25 2000-09-25 Aker Riser Systems As Device by pipeline
US6792200B2 (en) 2002-04-04 2004-09-14 Arizona Public Service Company, Inc. System and method for a pre-fabricated heat-traced header
US20030207103A1 (en) * 2002-05-03 2003-11-06 Zvosec Charles M. System and method for protecting surfaces against corrosive compounds
BR0203098B1 (en) * 2002-07-30 2011-11-16 ultra-deepwater composite wall ducts.
GB2394194A (en) * 2002-10-14 2004-04-21 Shell Int Research Pipe coating
AU2004201002B2 (en) * 2003-08-26 2009-08-06 Rohm And Haas Company Curable aqueous composition and use as heat-resistant nonwoven binder
US7069956B1 (en) 2003-10-23 2006-07-04 Mosier James W Marina piping
US20050123701A1 (en) * 2003-12-03 2005-06-09 Ingram James E.Jr. Elongated structural member having a plastic sleeve and a filler composite material
US20060037815A1 (en) * 2004-08-18 2006-02-23 Schabel Norman G Jr Particulate insulation materials
WO2007070968A1 (en) * 2005-12-22 2007-06-28 Renaza Resources Pty Limited Rubber composite for use in a surface
WO2007090209A1 (en) * 2006-02-07 2007-08-16 Ilf Beratende Ingenieure Zt Gesellschaft Mbh Composite pipe containing fibre-reinforced concrete
KR101372627B1 (en) * 2006-06-15 2014-03-10 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Insulated double-walled exhaust system component and method of making the same
WO2007146568A2 (en) * 2006-06-15 2007-12-21 3M Innovative Properties Company Insulated double-walled exhaust system component and method of making the same
US20080023092A1 (en) * 2006-07-31 2008-01-31 Assaf Klar Method For Designing And Implementing Improved Longitudinal Flexibility Multilayered Pipeline
DE602007008744D1 (en) * 2006-09-11 2010-10-07 Dsm Ip Assets Bv HEAT-INSULATING MATERIAL
US20090239429A1 (en) 2007-03-21 2009-09-24 Kipp Michael D Sound Attenuation Building Material And System
US8445101B2 (en) 2007-03-21 2013-05-21 Ashtech Industries, Llc Sound attenuation building material and system
ES2738525T3 (en) 2007-03-21 2020-01-23 Ash Tech Ind L L C General purpose materials that incorporate a matrix of microparticles
DE102007015660A1 (en) * 2007-03-31 2008-10-02 Brugg Rohr Ag, Holding Flexible heat-insulated conduit
GB2453920C (en) * 2007-07-11 2012-05-09 Technip France Method and assembly for anchoring an elongate subsea structure to a termination
US9593556B2 (en) * 2007-10-02 2017-03-14 Cameron International Corporation Method and system for reducing heat loss from subsea structures
GB0720713D0 (en) 2007-10-23 2007-12-05 Wellstream Int Ltd Thermal insulation of flexible pipes
US8714206B2 (en) * 2007-12-21 2014-05-06 Shawcor Ltd. Styrenic insulation for pipe
US10208885B2 (en) * 2008-04-07 2019-02-19 Illinois Tool Works Inc. Corrosion resistant sheet metal jacketing
US8397765B2 (en) * 2008-07-25 2013-03-19 Shawcor Ltd. High temperature resistant insulation for pipe
WO2010054029A2 (en) 2008-11-04 2010-05-14 Ashtech Industries, L.L.C. Utility materials incorporating a microparticle matrix formed with a setting system
US8485229B2 (en) * 2008-12-22 2013-07-16 Shawcor Ltd. Wrappable styrenic pipe insulations
IT1399350B1 (en) 2009-06-16 2013-04-16 Polyglass Spa FORMULATED BITUMEN-BASED MODIFIED WITH POLYMERS, CONTAINING MICROSFERE CAVE OF GLASS, FOR THE MANUFACTURE OF WATERPROOFING MEMBRANES WITH A SPECIFIC WEIGHT LESS THAN 1 G / CM3
DE102010014835B4 (en) 2010-04-12 2017-11-02 Silicoat Robotics Gmbh Offshore insulation element for oil or gas pipelines and process for its production
IT1400391B1 (en) * 2010-06-01 2013-05-31 Polyglass Spa WATERPROOFING MEMBRANES BASED ON BITUMEN MODIFIED WITH POLYMERS, CONTAINING ALUMINUM SILICATE CENOSPHERE IN COMBINATION WITH MICROSFERE CAVES OF GLASS, FOR THE MANUFACTURE OF WATERPROOFING MEMBRANES WITH A SPECIFIC WEIGHT LESS THAN 1 G / CM3
IT1400390B1 (en) * 2010-06-01 2013-05-31 Polyglass Spa BITUMEN-BASED WATERPROOFING MEMBRANES MODIFIED WITH POLYMERS CONTAINING MULTI-CELL GLASS MICRO-SPHERES
KR20130118869A (en) * 2010-09-15 2013-10-30 펜테어 서멀 매니지먼트 엘엘씨 Heat trace system including hybrid composite insulation
CN102444111B (en) * 2011-10-19 2015-01-07 邓业灿 Underground cave radiography detecting method
US9758674B2 (en) 2012-04-13 2017-09-12 Ticona Llc Polyarylene sulfide for oil and gas flowlines
US9970504B2 (en) * 2012-05-09 2018-05-15 Shawcor Ltd Thermal insulating concrete composition
CN103574222B (en) * 2012-07-20 2015-11-18 中国石油化工集团公司 A kind of water-proof horizontal pipe thermal-insulation structure
US9631094B2 (en) 2012-09-12 2017-04-25 Honeywell International Inc. Bitumen compositions and methods of making
US9383427B2 (en) 2013-01-08 2016-07-05 Dura-Line Corporation Duct system including information modules configured to emit positional information and method of the same
DE102013112914A1 (en) * 2013-11-22 2015-05-28 Egeplast International Gmbh Plastic profile, in particular plastic pipe
GB2585604A (en) * 2014-10-10 2021-01-13 Maritime Promeco As A marine riser
CN105546230B (en) * 2016-02-02 2018-05-15 浙江鑫宙竹基复合材料科技有限公司 A kind of stalk bamboo coiled composite tube and preparation method thereof
WO2017214636A1 (en) 2016-06-11 2017-12-14 Corrpro Companies, Inc. System and method for protecting one or more pipes against corrosion and corrosion-protected pipe
CN112854222B (en) * 2021-01-06 2022-05-03 北京世纪蓝箭防水材料有限公司 Coating spraying device for water-stopping structure of underground waterproof engineering and construction method thereof
CN113482717B (en) * 2021-07-13 2022-04-22 重庆交通大学 Device for removing crystals on inner wall of pipeline in tunnel by using freezing method and using method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106528A (en) * 1973-12-19 1978-08-15 Nikolaus Laing Tube for fluid substances under pressure
US4151003A (en) * 1976-03-01 1979-04-24 Otisca Industries, Ltd. Viscosity modification of bituminous materials
US4289172A (en) * 1978-05-31 1981-09-15 Ekstroem Stig Ove Mauritz Reinforced bitumen pipes and process for their manufacture
US4449852A (en) * 1982-07-30 1984-05-22 Shell Oil Company Buckle arrestor
US4504320A (en) * 1983-09-26 1985-03-12 Research One Limited Partnership Light-weight cementitious product
US4595636A (en) * 1985-04-17 1986-06-17 W. R. Grace & Co. Bitumen adhesive composition containing an ionomeric elastomer and waterproofing membranes comprising same
US5192039A (en) * 1991-10-07 1993-03-09 Ticon, Inc. Hanger insulation system

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1179374A (en) * 1915-08-09 1916-04-11 Robert Many Hose construction.
NL27938C (en) * 1930-01-05
US2858353A (en) * 1954-07-06 1958-10-28 Ions Exchange & Chemical Corp Separator for alkaline batteries
US2824022A (en) * 1955-02-16 1958-02-18 Zonolite Company Light weight water resistant aggregate and method of making the same
GB822714A (en) * 1955-12-30 1959-10-28 Alexander Campbell Kidd Insulation for underground conduits and method of producing the same
US3742985A (en) * 1967-01-31 1973-07-03 Chemstress Ind Inc Reinforced pipe
US3706872A (en) * 1970-05-15 1972-12-19 William J Trabilcy System for electrically heating fluid-conveying pipe lines and other structures
US3782985A (en) * 1971-11-26 1974-01-01 Cadcom Inc Lightweight,high strength concrete and method for manufacturing the same
GB1375465A (en) * 1972-05-26 1974-11-27
GB1453574A (en) * 1973-02-27 1976-10-27 British Gas Corp Pipe coatings
US3903706A (en) * 1974-04-11 1975-09-09 Atlantic Richfield Co Insulating and protective structure for frozen substrates
US4014370A (en) * 1975-09-22 1977-03-29 Mcnulty Frank E Outer wrap for pipelines
DE2630459A1 (en) * 1976-07-07 1978-01-12 Kwf Ges Fuer Rohrisolierungen Underground hot water pipe with bitumen-bonded insulation - contg. high proportion of perlite and foam glass
FR2402151A2 (en) * 1977-09-05 1979-03-30 Pont A Mousson LARGE DIAMETER HEAT PIPE
DK151578A (en) * 1978-04-05 1979-10-06 Dansk Asfaltfab EXTERNALLY INSULATED PIPE EXPERIENCED DISTRICT HEATING RUBBER AND PROCEDURE AND APPLIANCE FOR MAKING THE SAME
US4231884A (en) * 1979-01-16 1980-11-04 American Gilsonite Company Water retardant insulation composition comprising treated low density granular mineral material and finely divided limestone or similar carbonate or silicate mineral particles and method for using same
JPS55161150A (en) * 1979-06-01 1980-12-15 Tajima Roofing Co Heattinsulating asphalt waterproof board laying method thereof
CA1197271A (en) * 1981-06-08 1985-11-26 Pierre-Claude Aitcin Agglomerated volatilized silica dust
US4420524A (en) * 1981-06-12 1983-12-13 Owens-Corning Fiberglas Corporation Bitumen, atactic polypropylene and propylene/ethylene copolymer compositions and water-proofing membranes using the same
US4399319A (en) * 1981-11-18 1983-08-16 Bio-Energy Systems, Inc. Thermally insulated composite flexible hose
US4524156A (en) * 1984-09-04 1985-06-18 W. R. Grace & Co. Asphalt foam
US4721410A (en) * 1985-01-29 1988-01-26 Santa Fe International Corporation Reel pipe coating and laying vessel and process
FR2598713B1 (en) * 1986-05-16 1988-11-10 Inst Francais Du Petrole NEW FILLING AND BUOYANCY MATERIAL. MANUFACTURING METHOD AND TUBULAR ASSEMBLIES INCORPORATING SUCH MATERIAL
US4822422A (en) * 1987-10-09 1989-04-18 Associated Universities, Inc. Ca(OH)2 -treated ceramic microsphere
US5020481A (en) * 1989-02-13 1991-06-04 Nelson Thomas E Thermal insulation jacket
US4983449B1 (en) * 1989-09-27 1997-01-28 Polyguard Products Inc Protective wrapping material
US5271974A (en) * 1990-04-30 1993-12-21 Amsted Industries Incorporated Improved cement and polyolefin lined product
GB9018927D0 (en) * 1990-08-30 1990-10-17 Seamark Systems Subsea pipeline protection
GB9114585D0 (en) * 1991-07-05 1991-08-21 Shell Int Research Insulated flowline bundle
US5476343A (en) * 1992-11-30 1995-12-19 Sumner; Glen R. Offshore pipeline insulated with a cementitious coating
US5462091A (en) * 1993-09-09 1995-10-31 The Goodyear Tire & Rubber Company Adhesion of halopolymers to nylon

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106528A (en) * 1973-12-19 1978-08-15 Nikolaus Laing Tube for fluid substances under pressure
US4151003A (en) * 1976-03-01 1979-04-24 Otisca Industries, Ltd. Viscosity modification of bituminous materials
US4289172A (en) * 1978-05-31 1981-09-15 Ekstroem Stig Ove Mauritz Reinforced bitumen pipes and process for their manufacture
US4449852A (en) * 1982-07-30 1984-05-22 Shell Oil Company Buckle arrestor
US4504320A (en) * 1983-09-26 1985-03-12 Research One Limited Partnership Light-weight cementitious product
US4595636A (en) * 1985-04-17 1986-06-17 W. R. Grace & Co. Bitumen adhesive composition containing an ionomeric elastomer and waterproofing membranes comprising same
US5192039A (en) * 1991-10-07 1993-03-09 Ticon, Inc. Hanger insulation system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0784769A4 *

Also Published As

Publication number Publication date
US6182705B1 (en) 2001-02-06
EP0784769A4 (en) 1997-12-03
NO970887L (en) 1997-04-17
US5871034A (en) 1999-02-16
EP0784769A2 (en) 1997-07-23
CN1163658A (en) 1997-10-29
US6155305A (en) 2000-12-05
CA2198881C (en) 2011-01-04
CN1073220C (en) 2001-10-17
EP0784769B1 (en) 2003-06-18
US6092557A (en) 2000-07-25
NO970887D0 (en) 1997-02-27
WO1996007846A2 (en) 1996-03-14
DE69531108D1 (en) 2003-07-24
NO318714B1 (en) 2005-05-02
AU3375195A (en) 1996-03-27
CA2198881A1 (en) 1996-03-14

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