BR9701336A - Ativadores de ação retardada para sistema gerador de nitrogênio - Google Patents

Ativadores de ação retardada para sistema gerador de nitrogênio

Info

Publication number
BR9701336A
BR9701336A BR9701336A BR9701336A BR9701336A BR 9701336 A BR9701336 A BR 9701336A BR 9701336 A BR9701336 A BR 9701336A BR 9701336 A BR9701336 A BR 9701336A BR 9701336 A BR9701336 A BR 9701336A
Authority
BR
Brazil
Prior art keywords
delayed
generating system
nitrogen generating
action activators
activators
Prior art date
Application number
BR9701336A
Other languages
English (en)
Inventor
Carlos Nagib Khalil
Souza Celso Rodrigo De
Original Assignee
Petroleo Brasileiro Sa
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 filed Critical Petroleo Brasileiro Sa
Priority to BR9701336A priority Critical patent/BR9701336A/pt
Priority to US08/994,431 priority patent/US6003528A/en
Priority to NO19980246A priority patent/NO317560B1/no
Priority to EP98300454A priority patent/EP0865834B1/en
Priority to ES98300454T priority patent/ES2256915T3/es
Priority to CA002227935A priority patent/CA2227935C/en
Priority to CN98104461A priority patent/CN1128862C/zh
Priority to OA9800030A priority patent/OA10672A/en
Priority to ARP980101247A priority patent/AR010132A1/es
Publication of BR9701336A publication Critical patent/BR9701336A/pt

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)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyamides (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Fats And Perfumes (AREA)
BR9701336A 1997-03-19 1997-03-19 Ativadores de ação retardada para sistema gerador de nitrogênio BR9701336A (pt)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BR9701336A BR9701336A (pt) 1997-03-19 1997-03-19 Ativadores de ação retardada para sistema gerador de nitrogênio
US08/994,431 US6003528A (en) 1997-03-19 1997-12-19 Method for the thermo-chemical dewaxing of large dimension lines
NO19980246A NO317560B1 (no) 1997-03-19 1998-01-20 Fremgangsmate for termokjemisk avvoksing av ledninger av stor dimensjon
EP98300454A EP0865834B1 (en) 1997-03-19 1998-01-22 Improved method for the thermo-chemical dewaxing of large dimension lines
ES98300454T ES2256915T3 (es) 1997-03-19 1998-01-22 Metodo mejorado para el desparafinado termoquimico de tuberias de grandes dimensiones.
CA002227935A CA2227935C (en) 1997-03-19 1998-01-27 Improved method for the thermo-chemical dewaxing of large dimension lines
CN98104461A CN1128862C (zh) 1997-03-19 1998-02-18 大尺寸管线热化学脱蜡的改进方法
OA9800030A OA10672A (en) 1997-03-19 1998-03-13 Improved method for the thermo-chemical dewaxing of large dimension lines
ARP980101247A AR010132A1 (es) 1997-03-19 1998-03-19 Proceso para desparafinacion termo-quimica de ductos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9701336A BR9701336A (pt) 1997-03-19 1997-03-19 Ativadores de ação retardada para sistema gerador de nitrogênio

Publications (1)

Publication Number Publication Date
BR9701336A true BR9701336A (pt) 1998-11-17

Family

ID=38326163

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9701336A BR9701336A (pt) 1997-03-19 1997-03-19 Ativadores de ação retardada para sistema gerador de nitrogênio

Country Status (9)

Country Link
US (1) US6003528A (pt)
EP (1) EP0865834B1 (pt)
CN (1) CN1128862C (pt)
AR (1) AR010132A1 (pt)
BR (1) BR9701336A (pt)
CA (1) CA2227935C (pt)
ES (1) ES2256915T3 (pt)
NO (1) NO317560B1 (pt)
OA (1) OA10672A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20080069961A1 (en) * 2006-09-14 2008-03-20 Halliburton Energy Services, Inc. Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup
MY165424A (en) * 2009-07-27 2018-03-22 Petroliam Nasional Berhad Petronas A method and system for removing organic deposits
US8691731B2 (en) * 2009-11-18 2014-04-08 Baker Hughes Incorporated Heat generation process for treating oilfield deposits
CA2877132A1 (en) 2012-06-25 2014-01-03 Signa Chemistry, Inc. Use of metal silicides in hydrocarbon production and transportation
GB2505244A (en) * 2012-08-24 2014-02-26 Green Channel Ltd Cleaning a waste water vessel using an exothermic reaction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669189A (en) * 1970-10-28 1972-06-13 Union Oil Co Method for inhibiting the deposition of wax from a wax-containing oil
US4755230A (en) * 1985-01-15 1988-07-05 Baker Oil Tools, Inc. Method of and composition for removing paraffin deposits from hydrocarbon transmission conduits
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

Also Published As

Publication number Publication date
EP0865834A1 (en) 1998-09-23
CA2227935C (en) 2007-07-31
NO980246D0 (no) 1998-01-20
CN1193656A (zh) 1998-09-23
NO317560B1 (no) 2004-11-15
CA2227935A1 (en) 1998-09-19
ES2256915T3 (es) 2006-07-16
NO980246L (no) 1998-09-21
US6003528A (en) 1999-12-21
CN1128862C (zh) 2003-11-26
OA10672A (en) 2002-10-18
AR010132A1 (es) 2000-05-17
EP0865834B1 (en) 2006-01-04

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Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 19/03/2017