DK0737798T3 - Sammensætning effektiv til at fjerne alfaltener - Google Patents

Sammensætning effektiv til at fjerne alfaltener

Info

Publication number
DK0737798T3
DK0737798T3 DK96103755T DK96103755T DK0737798T3 DK 0737798 T3 DK0737798 T3 DK 0737798T3 DK 96103755 T DK96103755 T DK 96103755T DK 96103755 T DK96103755 T DK 96103755T DK 0737798 T3 DK0737798 T3 DK 0737798T3
Authority
DK
Denmark
Prior art keywords
alfalfa
composition effective
effective
composition
removing alfalfa
Prior art date
Application number
DK96103755T
Other languages
English (en)
Inventor
Alberto Delbianco
Fabrizio Stroppa
Original Assignee
Eni Spa
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 Eni Spa filed Critical Eni Spa
Application granted granted Critical
Publication of DK0737798T3 publication Critical patent/DK0737798T3/da

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/927—Well cleaning fluid
    • Y10S507/929—Cleaning organic contaminant
    • Y10S507/93—Organic contaminant is asphaltic

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Working-Up Tar And Pitch (AREA)
DK96103755T 1995-04-07 1996-03-11 Sammensætning effektiv til at fjerne alfaltener DK0737798T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI950711A IT1273513B (it) 1995-04-07 1995-04-07 Composizione efficace nella rimozione degli asfalteni

Publications (1)

Publication Number Publication Date
DK0737798T3 true DK0737798T3 (da) 2003-08-04

Family

ID=11371250

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96103755T DK0737798T3 (da) 1995-04-07 1996-03-11 Sammensætning effektiv til at fjerne alfaltener

Country Status (9)

Country Link
US (1) US5690176A (da)
EP (1) EP0737798B1 (da)
CN (1) CN1080755C (da)
CA (1) CA2171797C (da)
DE (1) DE69627414T2 (da)
DK (1) DK0737798T3 (da)
ES (1) ES2194068T3 (da)
IT (1) IT1273513B (da)
RU (1) RU2158357C2 (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6051535A (en) * 1997-01-22 2000-04-18 Bj Services Company Asphaltene adsorption inhibition treatment
AU2002355787B2 (en) * 2001-07-31 2008-02-21 Ic16 Limited Method of controlling asphaltene precipitation in a fluid
US7087189B2 (en) * 2002-03-18 2006-08-08 National Starch Chemical Investment Holding Co Multifunctional calcium carbonate and calcium phosphate scale inhibitor
RO120498B1 (ro) * 2003-06-13 2006-02-28 Nicolae Şlemcu Compoziţie şi procedeu pentru tratarea ţiţeiurilor
CN100427568C (zh) * 2003-12-18 2008-10-22 石油大学(北京) 一种采用离子液体溶剂清除沥青质沉积物及其之后再生的方法
JP2006241181A (ja) * 2005-02-28 2006-09-14 Sekiyu Combinat Kodo Togo Unei Gijutsu Kenkyu Kumiai 水添脱硫分解プロセス残渣油の冷却用熱交換器のファウリング防止方法
US7976640B2 (en) 2005-04-04 2011-07-12 Exxonmobil Research & Engineering Company On-line heat exchanger cleaning method
EA014005B1 (ru) * 2006-01-18 2010-08-30 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Способ и система для промывки внутреннего оборудования резервуара, используемого для обработки потока тяжелых углеводородов
US20080047874A1 (en) * 2006-08-23 2008-02-28 Exxonmobil Research And Engineering Company Crude oil blending to reduce organic-based fouling of pre-heat train exchangers and furnaces
GB2459471B (en) * 2008-04-23 2010-07-14 Schlumberger Holdings Forecasting asphaltic precipitation
GB2459470B (en) 2008-04-23 2010-07-21 Schlumberger Holdings Solvent assisted oil recovery
US9328284B2 (en) 2011-10-04 2016-05-03 Biospan Technologies, Inc. Oil thinning compositions and retrieval methods
RU2520954C1 (ru) * 2013-03-12 2014-06-27 Федеральное государственное бюджетное учреждение науки Институт проблем нефти и газа Сибирского отделения Российской академии наук (ИПНГ СО РАН) Способ определения и оценки эффективности растворителей асфальтосмолопарафиновых отложений
WO2015038117A1 (en) * 2013-09-11 2015-03-19 Halliburton Energy Services, Inc. Asphaltene-dissolving oil-external emulsion for acidization and methods of using the same
US10330662B2 (en) * 2013-11-18 2019-06-25 INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT Madras) Systems and methods for screening solvents for dissolving tank bottom sludge
WO2016156584A1 (en) 2015-04-03 2016-10-06 Versalis S.P.A. Mixture of solvents for removing asphaltenes
US10781378B2 (en) 2017-12-05 2020-09-22 Fqe Chemicals Inc. Compositions and methods for dissolution of heavy organic compounds

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR844998A (fr) * 1938-10-21 1939-08-07 Bataafsche Petroleum Procédé pour rétablir ou accroître la production des puits d'huile ou de gaz
US2419755A (en) * 1943-05-26 1947-04-29 Union Oil Co Chemical treatment of oil sands
US3172473A (en) * 1962-06-28 1965-03-09 Crowley Tar Products Company I Method of improving well flow
BE359946A (da) * 1971-07-20
US3998743A (en) * 1973-12-07 1976-12-21 Union Oil Company Of California Method and solvent composition for stimulating the production of oil from a producing well
US3941192A (en) * 1974-08-26 1976-03-02 Texaco Inc. Method for recovering high asphaltene content petroleum using surfactants
US4033784A (en) * 1975-08-25 1977-07-05 Halliburton Company Method for dissolving asphaltic material
US4207193A (en) * 1978-03-24 1980-06-10 Halliburton Company Methods and compositions for removing asphaltenic and paraffinic containing deposits
NL8302262A (nl) * 1983-06-24 1985-01-16 Weld Equip Bv Inrichting voor het bijvoorbeeld door solderen bevestigen van een element op een printsubstraat.
US4648453A (en) * 1985-11-18 1987-03-10 Exxon Production Research Co. Process for remedial cementing
US5504063A (en) * 1990-11-30 1996-04-02 Petrolite Corporation Asphaltene removal composition and method
CA2090306E (en) * 1993-02-24 2001-03-27 Dwight N. Loree Oil and gas well operation fluid used for the solvation of waxes and asphaltenes, and method of use thereof
IT1271473B (it) * 1993-09-17 1997-05-28 Agip Spa Miscela idrocarburica efficace nella rimozione degli asfalteni

Also Published As

Publication number Publication date
DE69627414D1 (de) 2003-05-22
DE69627414T2 (de) 2004-04-01
EP0737798A2 (en) 1996-10-16
CN1080755C (zh) 2002-03-13
CN1143104A (zh) 1997-02-19
ITMI950711A0 (it) 1995-04-07
ES2194068T3 (es) 2003-11-16
US5690176A (en) 1997-11-25
IT1273513B (it) 1997-07-08
EP0737798A3 (en) 1996-11-20
RU2158357C2 (ru) 2000-10-27
ITMI950711A1 (it) 1996-10-07
CA2171797C (en) 2006-06-06
EP0737798B1 (en) 2003-04-16
CA2171797A1 (en) 1996-10-08

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