BRPI0917841A2 - método para tratar uma formação subterrânea penetrada por um furo de poço com componentes contendo ferro, e método para tratar uma formação subterrânea penetrada por um furo de poço tendo componentes contendo ferro - Google Patents

método para tratar uma formação subterrânea penetrada por um furo de poço com componentes contendo ferro, e método para tratar uma formação subterrânea penetrada por um furo de poço tendo componentes contendo ferro

Info

Publication number
BRPI0917841A2
BRPI0917841A2 BRPI0917841A BRPI0917841A BRPI0917841A2 BR PI0917841 A2 BRPI0917841 A2 BR PI0917841A2 BR PI0917841 A BRPI0917841 A BR PI0917841A BR PI0917841 A BRPI0917841 A BR PI0917841A BR PI0917841 A2 BRPI0917841 A2 BR PI0917841A2
Authority
BR
Brazil
Prior art keywords
wellbore
iron
treating
containing components
underground formation
Prior art date
Application number
BRPI0917841A
Other languages
English (en)
Inventor
M Auzerais Francois
Sanchez Reyes Javier
M Samuel Mathew
Ali Syed
Original Assignee
Prad Res & Dev Ltd
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 Prad Res & Dev Ltd filed Critical Prad Res & Dev Ltd
Publication of BRPI0917841A2 publication Critical patent/BRPI0917841A2/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60Compositions for stimulating production by acting on the underground formation
    • C09K8/62Compositions for forming crevices or fractures
    • C09K8/72Eroding chemicals, e.g. acids
    • C09K8/74Eroding chemicals, e.g. acids combined with additives added for specific purposes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/52Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C09K8/528Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88Ampholytes; Electroneutral compounds
    • C11D1/90Betaines
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005Other compounding ingredients characterised by their effect
    • C11D3/0073Anticorrosion compositions
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/04Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/12Oxygen-containing compounds
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/14Nitrogen-containing compounds
    • C23F11/141Amines; Quaternary ammonium compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2208/00Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/32Anticorrosion additives
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10Objects to be cleaned
    • C11D2111/14Hard surfaces
    • C11D2111/20Industrial or commercial equipment, e.g. reactors, tubes or engines
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00Earth boring, well treating, and oil field chemistry
    • Y10S507/922Fracture fluid
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00Earth boring, well treating, and oil field chemistry
    • Y10S507/922Fracture fluid
    • Y10S507/923Fracture acidizing
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00Earth boring, well treating, and oil field chemistry
    • Y10S507/927Well cleaning fluid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
BRPI0917841A 2008-08-29 2009-08-28 método para tratar uma formação subterrânea penetrada por um furo de poço com componentes contendo ferro, e método para tratar uma formação subterrânea penetrada por um furo de poço tendo componentes contendo ferro BRPI0917841A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9292808P 2008-08-29 2008-08-29
US12/545,381 US7902124B2 (en) 2008-08-29 2009-08-21 Self-diverting acid treatment with formic-acid-free corrosion inhibitor
PCT/IB2009/053775 WO2010023638A1 (en) 2008-08-29 2009-08-28 Self-diverting acid treatment with formic-acid-free corrosion inhibitor

Publications (1)

Publication Number Publication Date
BRPI0917841A2 true BRPI0917841A2 (pt) 2017-02-07

Family

ID=41278548

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0917841A BRPI0917841A2 (pt) 2008-08-29 2009-08-28 método para tratar uma formação subterrânea penetrada por um furo de poço com componentes contendo ferro, e método para tratar uma formação subterrânea penetrada por um furo de poço tendo componentes contendo ferro

Country Status (5)

Country Link
US (1) US7902124B2 (pt)
BR (1) BRPI0917841A2 (pt)
EA (1) EA021736B1 (pt)
MX (1) MX2011002129A (pt)
WO (1) WO2010023638A1 (pt)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9512345B2 (en) 2004-10-20 2016-12-06 Halliburton Energy Services, Inc. Settable spacer fluids comprising pumicite and methods of using such fluids in subterranean formations
US20110172130A1 (en) * 2004-10-20 2011-07-14 Girish Dinkar Sarap Treatment Fluids Comprising Vitrified Shale and Methods of Using Such Fluids in Subterranean Formations
US8881820B2 (en) * 2009-08-31 2014-11-11 Halliburton Energy Services, Inc. Treatment fluids comprising entangled equilibrium polymer networks
US8813845B2 (en) * 2009-08-31 2014-08-26 Halliburton Energy Services, Inc. Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use
US8207096B2 (en) * 2009-12-30 2012-06-26 Halliburton Energy Services Inc. Compressible packer fluids and methods of making and using same
US8148303B2 (en) 2010-06-30 2012-04-03 Halliburton Energy Services Inc. Surfactant additives used to retain producibility while drilling
US8592350B2 (en) 2010-06-30 2013-11-26 Halliburton Energy Services, Inc. Surfactant additives used to retain producibility while drilling
US8418761B2 (en) 2010-07-29 2013-04-16 Halliburton Energy Services, Inc. Stimuli-responsive high viscosity pill
US8453741B2 (en) 2010-09-23 2013-06-04 Halliburton Energy Services, Inc. Tethered polymers used to enhance the stability of microemulsion fluids
FR2979915B1 (fr) * 2011-09-13 2014-11-07 Ceca Sa Inhibiteurs de corrosion de voute de conduites de transport de bruts d'extraction d'hydrocarbures
US9145512B2 (en) 2011-11-23 2015-09-29 Saudi Arabian Oil Company Dual-phase acid-based fracturing composition with corrosion inhibitors and method of use thereof
US9029313B2 (en) * 2012-11-28 2015-05-12 Ecolab Usa Inc. Acidic viscoelastic surfactant based cleaning compositions comprising glutamic acid diacetate
US20140256604A1 (en) * 2013-03-06 2014-09-11 Halliburton Energy Services, Inc. Cationic viscoelastic surfactant with non-cationic corrosion inhibitor and organic anion for acidizing
GB2532990A (en) * 2014-12-05 2016-06-08 Schlumberger Holdings Corrosion inhibition
US10774638B2 (en) 2015-05-29 2020-09-15 Halliburton Energy Services, Inc. Methods and systems for characterizing and/or monitoring wormhole regimes in matrix acidizing
GB2543498A (en) 2015-10-19 2017-04-26 Schlumberger Holdings Corrosion inhibition
WO2017086905A1 (en) * 2015-11-16 2017-05-26 Halliburton Energy Services, Inc. Subterranean stimulation operations utilizing degradable pre-coated particulates
CN105694836A (zh) * 2016-01-05 2016-06-22 南京华洲新材料有限公司 一种转向酸酸化缓蚀剂及其制备方法
CA2956939A1 (en) * 2017-02-03 2018-08-03 Fluid Energy Group Ltd. Novel corrosion inhibition package
US11505733B2 (en) 2019-04-16 2022-11-22 Schlumberger Technology Corporation Aqueous acidic compositions with a corrosion inhibitor
AR118835A1 (es) * 2019-05-03 2021-11-03 Sasol Performance Chemicals Gmbh Fluidos de inyección que comprenden surfactantes aniónicos y alcoholes alcoxilados y el uso de tales fluidos en procesos de recuperación de petróleo mejorada
CN112023625A (zh) * 2019-06-04 2020-12-04 中石化南京化工研究院有限公司 高效抑制二氧化碳捕集过程中设备腐蚀的溶剂及方法
WO2020252550A1 (pt) * 2019-06-19 2020-12-24 Universidade Estadual De Campinas Composição para método de otimização na recuperação de petróleo em reservatório subterrâneo e método para otimização na recuperação de petróleo em reservatório subterrâneo
BR102020006183A2 (pt) * 2020-03-26 2021-09-28 Universidade Estadual De Campinas - Unicamp Composição de fluido ácido divergente para estimulação de reservatório por acidificação matricial
RU2734892C1 (ru) * 2020-05-12 2020-10-26 Алексей Владимирович Лысенков Способ проведения гидравлического разрыва пласта
US20220145179A1 (en) * 2020-11-12 2022-05-12 Saudi Arabian Oil Company Synthesis of aryl 1-(methoxymethyl) vinyl ketones and their use as inhibitors of mild steel corrosion
US11739255B2 (en) * 2021-11-12 2023-08-29 Saudi Arabian Oil Company Methods and compositions of piperazine-based viscoelastic surfactants as diversion agents
US12168913B2 (en) 2022-05-12 2024-12-17 Baker Hughes Oilfield Operations Llc Methods for transporting scale removal agents into a well

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077454A (en) 1960-07-14 1963-02-12 Dow Chemical Co Compositions for inhibiting corrosion
DE3681378D1 (de) 1985-08-14 1991-10-17 Pumptech Nv Verfahren und zusammensetzung zum inhibieren der korrosion von eisen und stahl.
US4734259A (en) 1985-11-22 1988-03-29 Dowell Schlumberger Incorporated Mixtures of α,β-unsaturated aldehides and surface active agents used as corrosion inhibitors in aqueous fluids
EP0276879B1 (en) 1987-01-30 1991-10-23 Pumptech N.V. Process and composition for inhibiting iron and steel corrosion
US5096618A (en) 1987-02-12 1992-03-17 Dowell Schlumberger Incorporated Process and composition for inhibiting high-temperature iron and steel corrosion
US5543388A (en) 1993-08-05 1996-08-06 Exxon Chemical Patents Inc. Intensified corrosion inhibitor and method of use
US6399546B1 (en) 1999-10-15 2002-06-04 Schlumberger Technology Corporation Fluid system having controllable reversible viscosity
US7119050B2 (en) 2001-12-21 2006-10-10 Schlumberger Technology Corporation Fluid system having controllable reversible viscosity
US7341107B2 (en) 2003-12-11 2008-03-11 Schlumberger Technology Corporation Viscoelastic acid
US7595284B2 (en) * 2004-06-07 2009-09-29 Crews James B Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants
US7237608B2 (en) * 2004-10-20 2007-07-03 Schlumberger Technology Corporation Self diverting matrix acid
US7994101B2 (en) 2006-12-12 2011-08-09 Halliburton Energy Services, Inc. Corrosion inhibitor intensifier compositions and associated methods

Also Published As

Publication number Publication date
US7902124B2 (en) 2011-03-08
MX2011002129A (es) 2011-03-28
EA201170387A1 (ru) 2011-10-31
WO2010023638A1 (en) 2010-03-04
EA021736B1 (ru) 2015-08-31
US20100056405A1 (en) 2010-03-04

Similar Documents

Publication Publication Date Title
BRPI0917841A2 (pt) método para tratar uma formação subterrânea penetrada por um furo de poço com componentes contendo ferro, e método para tratar uma formação subterrânea penetrada por um furo de poço tendo componentes contendo ferro
BRPI0821118A2 (pt) método de completar um poço, método de tratar uma formação subterrânea interceptada por um poço, e método
BRPI0612663A2 (pt) composição e método para o tratamento de uma formação subterrânea penetrada por um furo de poço
BRPI1011592A2 (pt) "composição, e, método para fazer manutenção em um furo de poço."
BRPI0811155A2 (pt) método de tratamento de uma formação subterrânea penetrada por um furo de poço
BRPI0913433A2 (pt) métodos de tratamento de uma formação de hidrocarboneto, um furo de poço e partículas
BRPI0908215A2 (pt) suspensão, e método para colocar uma composição de geopolímero em um furo de sondagem em uma formação
BR112012004180A2 (pt) método para tratar uma formação subterrânea, e, dispositivo de ativação
BR112013011976A2 (pt) unidade de imageamento de formação para imagear propriedades de pelo menos uma formação subterrânea em um furo de poço em uma locação de poço, e método para imagear propriedades de pelo menos uma formação subterrânea em um furo de poço em uma locação de poço
BRPI0819174A2 (pt) Métodos para produzir hidrocarbonetos a partir de uma formação subterrânea, e, para produzir hidrocarbonetos a partir de um poço
BRPI1012645A2 (pt) aparelho, sistema, e método para comunicação em torno de um local de poço, e, método para comunicação com uma coluna de perfuração em um furo de poço
BRPI1011833A2 (pt) método de cimentação em uma formação subterrânea, e, composição de cimento
BRPI1014963A2 (pt) método de cimentação em uma formação subterrânea, e, composição de cimento
BRPI0816879A2 (pt) sistema para ancoragem em um furo de poço, método para ancoragem em um furo de poço, dispositivo, e método de ancoragem de uma ferramenta em um furo de poço.
BR112012009088A2 (pt) carga conformada , sistema para perfurar uma formação , método para perfurar uma formação , pistola de perfuração, e método para perfurar uma formação
BRPI0918170A2 (pt) método, e, composição endurecível
BRPI0923316A2 (pt) método, e método de tratar uma formação penetrada por um poço.
BRPI0921754A2 (pt) métodos para determinar a geometria de fratura de uma formação subterrânea, e para modelar parâmetros geométricos de uma fratura de formação subterrânea
BRPI0821121A2 (pt) método de contatar uma formação subterrânea, e método de reduzir a migração de sólidos
BR112013013095A2 (pt) conjunto de braço de translação para perfilar um furo de poço tendo uma parede de furo de poço e pelo menos uma formação subterrânea em torno da mesma, e método para perfilar um furo de poço tendo uma parede de furo de poço e pelo menos uma formação subterrânea em torno da mesma
BRPI0920141A2 (pt) sistema e método para tratar uma formação de subsuperfície.
BR112012026808A2 (pt) composição para cimentar uma formação subterrânea, e método de cimentar um poço em uma formação subterrânea
BRPI0820006A2 (pt) Fluido de tratamento para tratar uma formação subterrânea, e método de tratar uma formação subterrânea penetrada por um fio de poço
BR112014008916A2 (pt) conjunto de peneira de poço para instalação em um furo de poço subterrâneo, e, método
BR112014016408A8 (pt) método para perfuração em uma formação subterrânea, e, fluido de perfuração

Legal Events

Date Code Title Description
B15I Others concerning applications: loss of priority
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]