FR3075669B1 - METHOD FOR CLOSING A PIPE FOR THE TRANSPORT OF HYDROCARBON FLUID CLOSED BY HYDRATES - Google Patents

METHOD FOR CLOSING A PIPE FOR THE TRANSPORT OF HYDROCARBON FLUID CLOSED BY HYDRATES Download PDF

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Publication number
FR3075669B1
FR3075669B1 FR1762926A FR1762926A FR3075669B1 FR 3075669 B1 FR3075669 B1 FR 3075669B1 FR 1762926 A FR1762926 A FR 1762926A FR 1762926 A FR1762926 A FR 1762926A FR 3075669 B1 FR3075669 B1 FR 3075669B1
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FR
France
Prior art keywords
plug
pipe
temperature
hydrocarbon fluid
closing
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.)
Active
Application number
FR1762926A
Other languages
French (fr)
Other versions
FR3075669A1 (en
Inventor
Thomas Parenteau
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.)
TechnipFMC Subsea France SAS
Original Assignee
Technip France SAS
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 Technip France SAS filed Critical Technip France SAS
Priority to FR1762926A priority Critical patent/FR3075669B1/en
Priority to PCT/FR2018/053412 priority patent/WO2019122717A1/en
Publication of FR3075669A1 publication Critical patent/FR3075669A1/en
Application granted granted Critical
Publication of FR3075669B1 publication Critical patent/FR3075669B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • 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
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30—Heating of pipes or pipe systems
    • F16L53/35—Ohmic-resistance heating
    • F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/005—Pipe-line systems for a two-phase gas-liquid flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • F17D1/05—Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
    • F17D1/18—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Pipeline Systems (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

L'invention concerne un procédé de débouchage d'une conduite (12) de transport de fluide d'hydrocarbure, dans lequel on détecte la présence d'un bouchon (16) d'hydrate de gaz obturant la conduite, à partir de l'exploitation de valeurs de température mesurées le long de la conduite (12), on commande des moyens de chauffage (28) de la conduite de manière à faire fondre le bouchon détecté et, pendant la dissociation du bouchon, on surveille l'évolution temporelle locale de la température du fluide transporté à l'endroit du bouchon, on fournit une estimation de l'évolution temporelle de la pression interne au niveau du bouchon, à partir de ladite évolution temporelle locale de température et d'une courbe pression-température de limite de phase de l'hydrate entre un état solidifié et un état gazeux, de façon à réguler la puissance de chauffage en fonction de la pression interne estimée pendant la dissociation du bouchon.The invention relates to a method for unblocking a pipe (12) for transporting hydrocarbon fluid, in which the presence of a plug (16) of hydrate of gas closing the pipe is detected, from the exploitation of temperature values measured along the pipe (12), heating means (28) of the pipe are controlled so as to melt the detected plug and, during the dissociation of the plug, the local time evolution is monitored of the temperature of the fluid transported to the location of the plug, an estimate is given of the temporal evolution of the internal pressure at the level of the plug, from said local temporal evolution of temperature and of a limit pressure-temperature curve phase of the hydrate between a solidified state and a gaseous state, so as to regulate the heating power as a function of the internal pressure estimated during the dissociation of the plug.

FR1762926A 2017-12-22 2017-12-22 METHOD FOR CLOSING A PIPE FOR THE TRANSPORT OF HYDROCARBON FLUID CLOSED BY HYDRATES Active FR3075669B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1762926A FR3075669B1 (en) 2017-12-22 2017-12-22 METHOD FOR CLOSING A PIPE FOR THE TRANSPORT OF HYDROCARBON FLUID CLOSED BY HYDRATES
PCT/FR2018/053412 WO2019122717A1 (en) 2017-12-22 2018-12-19 Method for unblocking a pipe intended for the transport of hydrocarbon fluid and blocked by hydrates

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1762926A FR3075669B1 (en) 2017-12-22 2017-12-22 METHOD FOR CLOSING A PIPE FOR THE TRANSPORT OF HYDROCARBON FLUID CLOSED BY HYDRATES
FR1762926 2017-12-22

Publications (2)

Publication Number Publication Date
FR3075669A1 FR3075669A1 (en) 2019-06-28
FR3075669B1 true FR3075669B1 (en) 2020-01-10

Family

ID=63014584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1762926A Active FR3075669B1 (en) 2017-12-22 2017-12-22 METHOD FOR CLOSING A PIPE FOR THE TRANSPORT OF HYDROCARBON FLUID CLOSED BY HYDRATES

Country Status (2)

Country Link
FR (1) FR3075669B1 (en)
WO (1) WO2019122717A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111207263B (en) * 2020-01-07 2020-12-04 中国地质大学（北京） Spiral anti-blocking device of underground coal gasification exhaust pipeline
US20240183500A1 (en) * 2021-05-25 2024-06-06 Dalian University Of Technology A distributed low energy dynamic thermal management system for solid matter prevention and control in oil and gas transportation pipeline
CN114994288B (en) * 2022-06-01 2023-12-12 重庆科技学院 Comprehensive experiment system for preventing and controlling hydrate formation of oil and gas pipeline

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9812465D0 (en) * 1998-06-11 1998-08-05 Abb Seatec Ltd Pipeline monitoring systems
US20040059505A1 (en) * 2002-08-01 2004-03-25 Baker Hughes Incorporated Method for monitoring depositions onto the interior surface within a pipeline
FR3036634B1 (en) * 2015-05-27 2017-07-07 Technip France REMOVABLE COVER FOR RELEASE OF A SUBSTANTIAL FLUID TRANSPORT CONDUIT IN A WATER EXTEND, INTERVENTION ASSEMBLY AND METHOD THEREOF

Also Published As

Publication number Publication date
FR3075669A1 (en) 2019-06-28
WO2019122717A1 (en) 2019-06-27

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