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BR112017009974A2 - método de instalação de um tubo flexível não ligado e sistema submarino - Google Patents

método de instalação de um tubo flexível não ligado e sistema submarino

Info

Publication number
BR112017009974A2
BR112017009974A2 BR112017009974A BR112017009974A BR112017009974A2 BR 112017009974 A2 BR112017009974 A2 BR 112017009974A2 BR 112017009974 A BR112017009974 A BR 112017009974A BR 112017009974 A BR112017009974 A BR 112017009974A BR 112017009974 A2 BR112017009974 A2 BR 112017009974A2
Authority
BR
Brazil
Prior art keywords
hose
sheath
installation
ring
unconnected
Prior art date
Application number
BR112017009974A
Other languages
English (en)
Other versions
BR112017009974B1 (pt
BR112017009974B8 (pt
Inventor
Gudme Jonas
Rubin Adam
Haahr Marie
Original Assignee
National Oilwell Varco Denmark I/S
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 National Oilwell Varco Denmark I/S filed Critical National Oilwell Varco Denmark I/S
Priority claimed from PCT/DK2015/050338 external-priority patent/WO2016074681A1/en
Publication of BR112017009974A2 publication Critical patent/BR112017009974A2/pt
Publication of BR112017009974B1 publication Critical patent/BR112017009974B1/pt
Publication of BR112017009974B8 publication Critical patent/BR112017009974B8/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes
    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/01—Risers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/14—Laying or reclaiming pipes on or under water between the surface and the bottom
    • F16L1/15—Laying or reclaiming pipes on or under water between the surface and the bottom vertically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
    • F16L11/083—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire three or more layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/20—Double-walled hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • 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
    • C23F2213/20—Constructional parts or assemblies of the anodic or cathodic protection apparatus
    • C23F2213/22—Constructional parts or assemblies of the anodic or cathodic protection apparatus characterized by the ionic conductor, e.g. humectant, hydratant or backfill
    • 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
    • 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
    • C23F2213/32—Pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L2011/047—Hoses, i.e. flexible pipes made of rubber or flexible plastics with a diffusion barrier layer

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Earth Drilling (AREA)

Abstract

a presente invenção refere-se a um método de instalação de um tubo flexível não ligado com um furo para o transporte de fluido em que o tubo flexível não ligado compreende uma bainha externa, uma bainha de selagem interna dentro da bainha polimérica externa, um anel entre a dita bainha externa e a dita bainha de selagem interna e pelo menos uma camada de armadura metálica compreendendo ferro localizado no dito anel, em que o método compreende preencher pelo menos uma parte do anel com um líquido promotor de corrosão antes ou após a instalação do tubo flexível não ligado entre uma primeira instalação e uma segunda instalação.
BR112017009974A 2014-11-13 2015-11-09 um método de instalação de um tubo flexível não ligado BR112017009974B8 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DKPA201470692 2014-11-13
DKPA201470692 2014-11-13
DKPA201570070 2015-02-06
DKPA201570070 2015-02-06
PCT/DK2015/050338 WO2016074681A1 (en) 2014-11-13 2015-11-09 A method of installing an unbonded flexible pipe

Publications (3)

Publication Number Publication Date
BR112017009974A2 true BR112017009974A2 (pt) 2018-02-14
BR112017009974B1 BR112017009974B1 (pt) 2021-07-27
BR112017009974B8 BR112017009974B8 (pt) 2021-08-03

Family

ID=58731554

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017009974A BR112017009974B8 (pt) 2014-11-13 2015-11-09 um método de instalação de um tubo flexível não ligado

Country Status (4)

Country Link
US (1) US10513896B2 (pt)
EP (1) EP3218629B1 (pt)
AU (1) AU2015345613B2 (pt)
BR (1) BR112017009974B8 (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2727323C (en) 2008-06-09 2014-06-03 Prime Flexible Products, Inc. Flexible pipe joint
BR112014008175B1 (pt) 2011-10-04 2020-12-15 Flexsteel Pipeline Technologies, Inc. Conjunto de tubos
EA035263B1 (ru) 2014-09-30 2020-05-21 Флексстил Пайплайн Текнолоджиз, Инк. Соединитель для труб
US11135454B2 (en) 2015-06-24 2021-10-05 The Regents Of The University Of Michigan Histotripsy therapy systems and methods for the treatment of brain tissue
WO2017078670A1 (en) 2015-11-02 2017-05-11 Flexsteel Pipeline Technologies, Inc. Real time integrity monitoring of on-shore pipes
US10981765B2 (en) 2016-06-28 2021-04-20 Trinity Bay Equipment Holdings, LLC Half-moon lifting device
GB201611246D0 (en) * 2016-06-29 2016-08-10 Ge Oil & Gas Uk Ltd Gas venting
US11208257B2 (en) 2016-06-29 2021-12-28 Trinity Bay Equipment Holdings, LLC Pipe coil skid with side rails and method of use
CN109996749B (zh) 2016-10-10 2021-01-12 圣三一海湾设备控股有限公司 用于盘卷的柔性管的安装拖车及其使用方法
WO2018071299A1 (en) 2016-10-10 2018-04-19 Trinity Bay Equipment Holdings, LLC Expandable drum assembly for deploying coiled pipe and method of using same
US10526164B2 (en) 2017-08-21 2020-01-07 Trinity Bay Equipment Holdings, LLC System and method for a flexible pipe containment sled
BR112020008740A2 (pt) 2017-11-01 2020-10-13 Trinity Bay Equipment Holdings, LLC sistema e método para manuseio de carretel de tubo
WO2019152779A2 (en) 2018-02-01 2019-08-08 Trinity Bay Equipment Holdings, LLC Pipe coil skid with side rails and method of use
US10670167B2 (en) 2018-02-22 2020-06-02 Trinity Bay Equipment Holdings, LLC System and method for deploying coils of spoolable pipe
BR112021006870A2 (pt) 2018-10-12 2021-07-27 Trinity Bay Equipment Holdings, LLC reboque de instalação para tubo flexível em bobina e método de utilização do mesmo
AR118122A1 (es) 2019-02-15 2021-09-22 Trinity Bay Equipment Holdings Llc Sistema de manejo de tubo flexible y método para usar el mismo
US10753512B1 (en) 2019-03-28 2020-08-25 Trinity Bay Equipment Holdings, LLC System and method for securing fittings to flexible pipe
CN112682586B (zh) * 2019-10-18 2024-08-27 泰克尼普法国公司 用于浸没在水域内的输送天然气和/或石油流体的柔性管
US10926972B1 (en) 2019-11-01 2021-02-23 Trinity Bay Equipment Holdings, LLC Mobile cradle frame for pipe reel
AU2020386635A1 (en) 2019-11-22 2022-06-09 Trinity Bay Equipment Holdings, LLC Potted pipe fitting systems and methods
WO2021102306A1 (en) 2019-11-22 2021-05-27 Trinity Bay Equipment Holdings, LLC Swaged pipe fitting systems and methods
WO2021102318A1 (en) 2019-11-22 2021-05-27 Trinity Bay Equipment Holdings, LLC Reusable pipe fitting systems and methods
US10822194B1 (en) 2019-12-19 2020-11-03 Trinity Bay Equipment Holdings, LLC Expandable coil deployment system for drum assembly and method of using same
US10844976B1 (en) 2020-02-17 2020-11-24 Trinity Bay Equipment Holdings, LLC Methods and apparatus for pulling flexible pipe
CN111721615B (zh) * 2020-07-10 2023-04-07 中国石油天然气集团有限公司 一种油套环空污染环境中管材应力腐蚀开裂敏感性评价装置及方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189407B (en) 1985-08-16 1989-12-28 Trest Juzhvodoprovod Method of removing deposits from the inside walls of a pipeline and applying protective coatings thereto
DE19709373A1 (de) 1997-03-07 1998-09-10 Manfred Veenker Leitung für gefährdende Fluide und Verfahren zu deren Herstellung
BR9913914A (pt) 1998-09-24 2001-06-12 Nkt Flexibles As Cano tubular flexìvel reforçado
DE60115387D1 (de) * 2000-01-14 2006-01-05 Nkt Flexibles I S Brondby Biegsames, armiertes rohr und dessen verwendung
FR2816691B1 (fr) 2000-11-10 2002-12-27 Coflexip Dispositif de protection cathodique des conduites flexibles
FR2837870B1 (fr) 2002-03-28 2005-01-28 Coflexip Procede et dispositif pour detecter des caracteriqtiques d'un fluide present dans un annulaire d'une colonne montante
US7082822B2 (en) * 2002-04-05 2006-08-01 Vetco Gray Inc. Internal riser inspection device and methods of using same
FR2858841B1 (fr) 2003-08-14 2007-02-09 Technip France Methode de drainage et d'evacuation des gaz de permeation d'une conduite tubulaire flexible et conduite adaptee a sa mise en oeuvre
US20060278397A1 (en) * 2005-06-13 2006-12-14 Mentor Subsea Technology Services, Inc. Top tensioned riser adaptor
GB2446670C (en) 2007-07-11 2013-03-13 Flexlife Ltd Inspection method
GB2476526B (en) 2008-01-25 2012-03-07 Schlumberger Holdings System and method for detecting corrosion in flexible pipes
GB0821989D0 (en) * 2008-12-02 2009-01-07 Wellstream Int Ltd Flexible pipe
WO2011026801A1 (en) 2009-09-01 2011-03-10 Shell Internationale Research Maatschappij B.V. Method of protecting a flexible pipe from corrosion and a flexible pipe
US20120273080A1 (en) * 2009-12-16 2012-11-01 National Oilwell Varco Denmark I/S Flexible pipe and a method of producing a flexible pipe
GB201013126D0 (en) 2010-08-04 2010-09-22 Flexlife Ltd Corrosion protection
EP2661578B1 (en) * 2011-01-06 2019-07-31 National Oilwell Varco Denmark I/S An unbonded flexible pipe
US8820412B2 (en) 2011-09-16 2014-09-02 Chevron U.S.A. Inc. Methods, systems and apparatus for circulating fluid within the annulus of a flexible pipe riser
DE102012207179A1 (de) 2012-04-30 2013-10-31 Evonik Industries Ag Verschleißindikatorsystem für Offshore-Korrosionsschutz-Umhüllungssysteme
EP2870397B1 (en) * 2012-07-06 2019-09-11 National Oilwell Varco Denmark I/S An unbonded flexible pipe
US9500035B2 (en) * 2014-10-06 2016-11-22 Chevron U.S.A. Inc. Integrated managed pressure drilling transient hydraulic model simulator architecture

Also Published As

Publication number Publication date
US20180298705A1 (en) 2018-10-18
EP3218629A1 (en) 2017-09-20
EP3218629A4 (en) 2018-06-27
EP3218629B1 (en) 2020-06-17
AU2015345613B2 (en) 2019-10-03
AU2015345613A1 (en) 2017-05-25
BR112017009974B1 (pt) 2021-07-27
US10513896B2 (en) 2019-12-24
BR112017009974B8 (pt) 2021-08-03

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 09/11/2015, OBSERVADAS AS CONDICOES LEGAIS.

B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: REF. RPI 2638 DE 27/07/2021 QUANTO AO RELATORIO DESCRITIVO.