DE69713807D1 - Online thermochemisches verfahren zum entwachsen von ölexportrohrleitungen - Google Patents

Online thermochemisches verfahren zum entwachsen von ölexportrohrleitungen

Info

Publication number
DE69713807D1
DE69713807D1 DE69713807T DE69713807T DE69713807D1 DE 69713807 D1 DE69713807 D1 DE 69713807D1 DE 69713807 T DE69713807 T DE 69713807T DE 69713807 T DE69713807 T DE 69713807T DE 69713807 D1 DE69713807 D1 DE 69713807D1
Authority
DE
Germany
Prior art keywords
online
oil export
export pipelines
thermochemical method
dewaxing oil
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
DE69713807T
Other languages
English (en)
Other versions
DE69713807T2 (de
Inventor
Nagib Khalil
Leite Cristina Ferreira
Oliveira Rocha Nelson De
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
Application granted granted Critical
Publication of DE69713807D1 publication Critical patent/DE69713807D1/de
Publication of DE69713807T2 publication Critical patent/DE69713807T2/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
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • 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
    • 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
    • C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Fats And Perfumes (AREA)
DE69713807T 1997-01-21 1997-10-01 Online thermochemisches verfahren zum entwachsen von ölexportrohrleitungen Expired - Lifetime DE69713807T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR9700727A BR9700727A (pt) 1997-01-21 1997-01-21 Processo termo-químico para desparafinação de dutos em condição de fluxo de petróleo
PCT/BR1997/000052 WO1998031917A1 (en) 1997-01-21 1997-10-01 On-line, thermo-chemical process for the dewaxing of oil export pipelines

Publications (2)

Publication Number Publication Date
DE69713807D1 true DE69713807D1 (de) 2002-08-08
DE69713807T2 DE69713807T2 (de) 2003-02-27

Family

ID=4066469

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713807T Expired - Lifetime DE69713807T2 (de) 1997-01-21 1997-10-01 Online thermochemisches verfahren zum entwachsen von ölexportrohrleitungen

Country Status (13)

Country Link
US (1) US5891262A (de)
EP (1) EP0956427B1 (de)
JP (1) JP3889056B2 (de)
CN (1) CN1080363C (de)
AR (1) AR009240A1 (de)
AU (1) AU4372997A (de)
BR (1) BR9700727A (de)
CA (1) CA2275711C (de)
CO (1) CO5021158A1 (de)
DE (1) DE69713807T2 (de)
ES (1) ES2176781T3 (de)
ID (1) ID19541A (de)
WO (1) WO1998031917A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9705076A (pt) * 1997-10-17 2000-05-09 Petroleo Brasileiro Sa Processo para o controle termo-hidráulico de hidrato de gás
US6800193B2 (en) * 2000-04-25 2004-10-05 Exxonmobil Upstream Research Company Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002)
US6841779B1 (en) * 2001-08-24 2005-01-11 University Of Utah Research Foundation Measurement of wax precipitation temperature and precipitated solid weight percent versus temperature by infrared spectroscopy
GB0420061D0 (en) * 2004-09-09 2004-10-13 Statoil Asa Method
US7815744B2 (en) * 2004-11-30 2010-10-19 Halliburton Energy Services, Inc. Methods for moving a pig through a pipeline using a chemical reaction to generate a high volume of gas
US20060144591A1 (en) * 2004-12-30 2006-07-06 Chevron U.S.A. Inc. Method and apparatus for repair of wells utilizing meltable repair materials and exothermic reactants as heating agents
US7976640B2 (en) 2005-04-04 2011-07-12 Exxonmobil Research & Engineering Company On-line heat exchanger cleaning method
GB2436575A (en) * 2006-03-16 2007-10-03 Statoil Asa Method for protecting hydrocarbon conduits
US7669659B1 (en) * 2008-01-29 2010-03-02 Lugo Mario R System for preventing hydrate formation in chemical injection piping for subsea hydrocarbon production
MY165424A (en) 2009-07-27 2018-03-22 Petroliam Nasional Berhad Petronas A method and system for removing organic deposits
US8146667B2 (en) * 2010-07-19 2012-04-03 Marc Moszkowski Dual gradient pipeline evacuation method
RU2460594C1 (ru) * 2011-05-10 2012-09-10 Айдар Рафикович Нагимуллин Способ удаления отложений из нефтесборного трубопровода
EP2594620A1 (de) 2011-08-31 2013-05-22 Services Pétroliers Schlumberger Zusammensetzungen und Verfahren zur Instandhaltung unterirdischer Bohrlöcher
GB2505244A (en) * 2012-08-24 2014-02-26 Green Channel Ltd Cleaning a waste water vessel using an exothermic reaction
CN103336488A (zh) * 2013-03-21 2013-10-02 中煤科工集团武汉设计研究院 长距离管道输煤首端站集中控制系统
CN104213873B (zh) * 2013-06-05 2016-10-12 中国石油天然气股份有限公司 一种油井空心杆洗井温度的确定方法
CA2911503C (en) 2013-09-20 2020-10-06 Schlumberger Canada Limited Microfluidic determination of wax appearance temperature
WO2015187122A1 (en) 2014-06-02 2015-12-10 Halliburton Energy Services, Inc. Methods and systems for controllably generating heat and/or nitrogen gas in subterranean and pipeline operations
US9951265B2 (en) * 2014-06-17 2018-04-24 Chevron U.S.A. Inc. System and methods to deliver energy downhole
CN105363740B (zh) * 2014-08-25 2017-11-10 中国石油天然气股份有限公司 一种输油管道的清蜡方法和装置
US11458419B2 (en) 2015-02-23 2022-10-04 Saudi Arabian Oil Company Emulsion system utilizing nitrogen and heat to treat deep water blockage
RU2609786C1 (ru) * 2015-12-30 2017-02-03 Публичное акционерное общество "Транснефть" (ПАО "Транснефть") Способ подготовки магистрального нефтепровода для транспортировки светлых нефтепродуктов
CN106929197B (zh) * 2017-03-31 2020-05-22 赵学法 一种用于石化设备清洗的油基清洗剂
US10718184B1 (en) 2019-09-13 2020-07-21 Saudi Arabian Oil Company Thermochemical method for removing organic and inorganic deposits from a wellbore
US11441063B1 (en) * 2021-04-07 2022-09-13 Saudi Arabian Oil Company Method to remove wellbore damage using thermochemical fluid
CN114666930B (zh) * 2022-03-04 2023-08-08 西安川秦石油科技有限公司 一种输油管线电磁加热收球装置及其加热收球方法
US12006794B1 (en) 2023-03-08 2024-06-11 Saudi Arabian Oil Company Thermochemical fluid injection to prevent cool front invasion in CO2 geothermal reservoirs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574319A (en) * 1969-12-30 1971-04-13 Tenneco Oil Co Paraffin control method
US3689319A (en) * 1970-11-02 1972-09-05 Texaco Inc Paraffin removal process
US4219083A (en) * 1979-04-06 1980-08-26 Shell Oil Company Chemical process for backsurging fluid through well casing perforations
US4673522A (en) * 1981-11-05 1987-06-16 Union Oil Company Of California Methods for removing obstructions from conduits with urea-sulfuric acid compositions
US4755230A (en) * 1985-01-15 1988-07-05 Baker Oil Tools, Inc. Method of and composition for removing paraffin deposits from hydrocarbon transmission conduits
US4646837A (en) * 1985-09-24 1987-03-03 Shell Oil Company Process for removal of wax deposits
BR8702856A (pt) * 1987-06-05 1988-12-20 Petroleo Brasileiro Sa Processo continuo de fraturamento hidraulico com espuma
BR9004200A (pt) * 1990-08-24 1992-03-03 Petroleo Brasileiro Sa Processo de desparafinacao de formacoes produtoras
BR9301171A (pt) * 1993-03-15 1994-10-18 Petroleo Brasileiro Sa Processo termo-químico de desparafinação de dutos condutores de hidrocarbonetos
US5484488A (en) * 1994-04-06 1996-01-16 Bj Services Company, U.S.A. Methods for melting and dispersing paraffin wax in oil field production equipment
US5824160A (en) * 1995-11-22 1998-10-20 Petroleo Brasileiro S.A. Petrobras Method for the thermo-chemical dewaxing of large dimension lines

Also Published As

Publication number Publication date
CA2275711A1 (en) 1998-07-23
JP2001507770A (ja) 2001-06-12
CA2275711C (en) 2005-06-07
ID19541A (id) 1998-07-23
JP3889056B2 (ja) 2007-03-07
CO5021158A1 (es) 2001-03-27
AR009240A1 (es) 2000-04-12
AU4372997A (en) 1998-08-07
BR9700727A (pt) 1998-08-11
DE69713807T2 (de) 2003-02-27
ES2176781T3 (es) 2002-12-01
WO1998031917A1 (en) 1998-07-23
CN1238023A (zh) 1999-12-08
US5891262A (en) 1999-04-06
CN1080363C (zh) 2002-03-06
EP0956427B1 (de) 2002-07-03
EP0956427A1 (de) 1999-11-17

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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