DE69321892D1 - Verfahren zum Entfernen von Wasser in Rohrleitungen mit einem bewegbaren zylindrischen Molch - Google Patents

Verfahren zum Entfernen von Wasser in Rohrleitungen mit einem bewegbaren zylindrischen Molch

Info

Publication number
DE69321892D1
DE69321892D1 DE69321892T DE69321892T DE69321892D1 DE 69321892 D1 DE69321892 D1 DE 69321892D1 DE 69321892 T DE69321892 T DE 69321892T DE 69321892 T DE69321892 T DE 69321892T DE 69321892 D1 DE69321892 D1 DE 69321892D1
Authority
DE
Germany
Prior art keywords
pipelines
removing water
movable cylindrical
cylindrical pig
pig
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
DE69321892T
Other languages
English (en)
Other versions
DE69321892T2 (de
Inventor
Paulo Cesar Ribeiro Lima
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.)
Petroleo Brasileiro SA Petrobras
Original Assignee
Petroleo Brasileiro SA Petrobras
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 Petroleo Brasileiro SA Petrobras filed Critical Petroleo Brasileiro SA Petrobras
Publication of DE69321892D1 publication Critical patent/DE69321892D1/de
Application granted granted Critical
Publication of DE69321892T2 publication Critical patent/DE69321892T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • B08B9/0553—Cylindrically shaped pigs

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Pipe Accessories (AREA)
  • Fluid-Pressure Circuits (AREA)
DE69321892T 1992-07-31 1993-08-02 Verfahren zum Entfernen von Wasser in Rohrleitungen mit einem bewegbaren zylindrischen Molch Expired - Lifetime DE69321892T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR929202987A BR9202987A (pt) 1992-07-31 1992-07-31 Processo para remocao de liquidos em tubulacoes por meio de um piston movel

Publications (2)

Publication Number Publication Date
DE69321892D1 true DE69321892D1 (de) 1998-12-10
DE69321892T2 DE69321892T2 (de) 1999-06-10

Family

ID=4054659

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321892T Expired - Lifetime DE69321892T2 (de) 1992-07-31 1993-08-02 Verfahren zum Entfernen von Wasser in Rohrleitungen mit einem bewegbaren zylindrischen Molch

Country Status (8)

Country Link
US (1) US5389155A (de)
EP (1) EP0581616B1 (de)
BR (1) BR9202987A (de)
DE (1) DE69321892T2 (de)
DK (1) DK0581616T3 (de)
ES (1) ES2125952T3 (de)
NO (1) NO180412C (de)
RU (1) RU2067257C1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5698042A (en) * 1996-02-09 1997-12-16 Praxair Technology, Inc. Method of cleaning furnace headers
DE19630531C2 (de) * 1996-07-29 1998-08-20 Georg Wiegner Spender zum Austragen eines fließfähigen Mediums
GB9700936D0 (en) * 1997-01-17 1997-03-05 Hygienic Pigging Systems Limit Evacuating pipelines and apparatus therefor
US5875803A (en) * 1997-04-17 1999-03-02 Shell Oil Company Jetting pig
FR2781413A1 (fr) * 1998-07-27 2000-01-28 Clextral Dispositif d'etancheite d'une chambre de traitement d'une installation de pressurisation de produits solides ou liquides
GB2371572B (en) 2001-01-30 2005-01-12 Petroleo Brasileiro Sa Methods and mechanisms to set a hollow device into and to retrieve said hollow device from a pipeline
WO2006009815A2 (en) * 2004-06-18 2006-01-26 Plastocor, Inc. Method for coating tubes
AT506115B1 (de) * 2007-12-13 2011-01-15 Semperit Ag Holding Rohrreinigungsmolch
EP2159574B1 (de) * 2008-06-23 2011-09-28 Röntgen Technische Dienst B.V. Vorrichtung zur Inspektion von Pipelines und Verwendungsverfahren
CN102698991B (zh) * 2012-06-25 2015-06-17 中国科学院力学研究所 一种激波风洞炮管的清洗方法
US11054077B2 (en) * 2014-12-18 2021-07-06 Curapipe System Ltd. Systems, compositions and methods for curing leakages in pipes
US11235347B2 (en) 2015-07-10 2022-02-01 Plastocor, Inc. System and method for coating tubes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906650A (en) * 1956-10-31 1959-09-29 Roll Dippers Inc Method of cleaning pipe lines
US3148689A (en) * 1960-11-22 1964-09-15 Colorado Interstate Gas Compan Method and system for gas transmission
GB1270378A (en) * 1970-11-26 1972-04-12 Girard Harry J Foamed plastic pig for pipe lines
DE2610706C3 (de) * 1976-03-13 1981-11-26 Industrie- und Pipeline-Service Gerhard Kopp GmbH, 4450 Lingen Verfahren zum Trocknen von Rohrinnenwänden
SU988390A1 (ru) * 1981-07-13 1983-01-15 Всесоюзный научно-исследовательский институт по строительству магистральных трубопроводов Поршень дл очистки внутренней поверхности трубопровода
EP0104520A3 (de) * 1982-09-28 1988-01-13 Nukem GmbH Verfahren und Vorrichtung zum Reinigen und Kontrollieren der Innenoberfläche von Rohren
US5032185A (en) * 1990-05-21 1991-07-16 Knapp Kenneth M Method and apparatus for removing paraffin from a fouled pipeline

Also Published As

Publication number Publication date
RU2067257C1 (ru) 1996-09-27
NO932738L (no) 1994-02-01
ES2125952T3 (es) 1999-03-16
US5389155A (en) 1995-02-14
BR9202987A (pt) 1994-02-01
NO180412C (no) 1997-04-16
DK0581616T3 (da) 1999-07-19
EP0581616A1 (de) 1994-02-02
NO932738D0 (no) 1993-07-30
EP0581616B1 (de) 1998-11-04
NO180412B (no) 1997-01-06
DE69321892T2 (de) 1999-06-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: JUNG, SCHIRDEWAHN, GRUENBERG, SCHNEIDER PATENTANWAELTE

8328 Change in the person/name/address of the agent

Representative=s name: ADVOTEC. PATENT- UND RECHTSANWAELTE, 80538 MUENCHE