BRPI0820901A2 - Fluidos de perfuração de poço de base aquosa aperfeiçoados - Google Patents

Fluidos de perfuração de poço de base aquosa aperfeiçoados

Info

Publication number
BRPI0820901A2
BRPI0820901A2 BRPI0820901-4A BRPI0820901A BRPI0820901A2 BR PI0820901 A2 BRPI0820901 A2 BR PI0820901A2 BR PI0820901 A BRPI0820901 A BR PI0820901A BR PI0820901 A2 BRPI0820901 A2 BR PI0820901A2
Authority
BR
Brazil
Prior art keywords
drilling fluids
well drilling
improved water
wellbore
based well
Prior art date
Application number
BRPI0820901-4A
Other languages
English (en)
Inventor
Mark Shelton Aston
Kenneth Richard Seddon
David Francis Wassell
Original Assignee
Univ Belfast
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 Univ Belfast filed Critical Univ Belfast
Publication of BRPI0820901A2 publication Critical patent/BRPI0820901A2/pt
Publication of BRPI0820901B1 publication Critical patent/BRPI0820901B1/pt

Links

Classifications

    • 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
    • C09K8/02—Well-drilling compositions
    • C09K8/03—Specific additives for general use in well-drilling compositions
    • C09K8/035—Organic additives
    • 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
    • C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/12—Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Drilling Tools (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cosmetics (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Medicinal Preparation (AREA)
  • Earth Drilling (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
BRPI0820901-4A 2007-12-07 2008-11-27 Fluidos de perfuração de poço de base aquosa aperfeiçoados BRPI0820901B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07254745.8 2007-12-07
EP07254745A EP2067835A1 (en) 2007-12-07 2007-12-07 Improved aqueous-based wellbore fluids
PCT/GB2008/003956 WO2009071873A1 (en) 2007-12-07 2008-11-27 Improved aqueous-based wellbore fluids

Publications (2)

Publication Number Publication Date
BRPI0820901A2 true BRPI0820901A2 (pt) 2015-06-23
BRPI0820901B1 BRPI0820901B1 (pt) 2024-06-11

Family

ID=

Also Published As

Publication number Publication date
BRPI0821064A2 (pt) 2015-06-16
AU2008332955B2 (en) 2014-05-22
US10844263B2 (en) 2020-11-24
EA201000956A1 (ru) 2010-12-30
AU2008332955A1 (en) 2009-06-11
EA201000955A1 (ru) 2011-02-28
EA020066B1 (ru) 2014-08-29
WO2009071873A1 (en) 2009-06-11
EP2235135B1 (en) 2016-12-21
ATE530618T1 (de) 2011-11-15
US11603486B2 (en) 2023-03-14
DK2245108T3 (da) 2012-01-30
EA037141B1 (ru) 2021-02-10
EP2245108B1 (en) 2011-10-26
ZA201004264B (en) 2011-02-23
BRPI0821064B1 (pt) 2018-11-21
WO2009071875A1 (en) 2009-06-11
EP2235135A1 (en) 2010-10-06
US20100256020A1 (en) 2010-10-07
MY158238A (en) 2016-09-30
EP2067835A1 (en) 2009-06-10
US20100256019A1 (en) 2010-10-07
EP2245108A1 (en) 2010-11-03
ZA201004415B (en) 2019-01-30
AU2008332957A1 (en) 2009-06-11
AU2008332957B2 (en) 2014-05-01

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09R Decision of refusal: republication [chapter 9.2.3 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 9.2.4 NA RPI NO 2486 DE 28/08/2018 POR TER SIDO INDEVIDA.

B12B Appeal against refusal [chapter 12.2 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/11/2008, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.