BRPI0500853A - Sistema para uso em um furo poço, método de melhorar um componente de fundo de poço, e sistema para uso em um furo de poço - Google Patents

Sistema para uso em um furo poço, método de melhorar um componente de fundo de poço, e sistema para uso em um furo de poço

Info

Publication number
BRPI0500853A
BRPI0500853A BR0500853-0A BRPI0500853A BRPI0500853A BR PI0500853 A BRPI0500853 A BR PI0500853A BR PI0500853 A BRPI0500853 A BR PI0500853A BR PI0500853 A BRPI0500853 A BR PI0500853A
Authority
BR
Brazil
Prior art keywords
wellbore
improving
dump
component
filler material
Prior art date
Application number
BR0500853-0A
Other languages
English (en)
Inventor
Dwayne Leismer
Yanmei Li
Original Assignee
Schlumberger Technology Corp
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 Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of BRPI0500853A publication Critical patent/BRPI0500853A/pt

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/12Packers; Plugs
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/12Packers; Plugs
    • E21B33/1208Packers; Plugs characterised by the construction of the sealing or packing means
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sealing Material Composition (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Devices (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

"SISTEMA PARA USO EM UM FURO DE POçO, MéTODO DE MELHORAR UM COMPONENTE DE FUNDO DE POçO, E SISTEMA PARA USO EM UM FURO DE POçO". Um sistema e método são providos para melhorar a durabilidade e/ou funcionamento de ferramentas de fundo de poço que operam em ambientes subterrâneos adversos. Componentes poliméricos, tais como vedações, são formadas com material de carga em escala nano. o material de carga em escala nano está disperso no material polimérico para melhorar substancialmente as desejadas propriedades materiais.
BR0500853-0A 2004-01-23 2005-01-21 Sistema para uso em um furo poço, método de melhorar um componente de fundo de poço, e sistema para uso em um furo de poço BRPI0500853A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53897504P 2004-01-23 2004-01-23

Publications (1)

Publication Number Publication Date
BRPI0500853A true BRPI0500853A (pt) 2005-08-23

Family

ID=34273105

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0500853-0A BRPI0500853A (pt) 2004-01-23 2005-01-21 Sistema para uso em um furo poço, método de melhorar um componente de fundo de poço, e sistema para uso em um furo de poço

Country Status (6)

Country Link
US (1) US20050161212A1 (pt)
BR (1) BRPI0500853A (pt)
CA (1) CA2493698C (pt)
GB (1) GB2410264B (pt)
NO (1) NO20050380L (pt)
RU (1) RU2373375C2 (pt)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8403037B2 (en) 2009-12-08 2013-03-26 Baker Hughes Incorporated Dissolvable tool and method
US8297364B2 (en) 2009-12-08 2012-10-30 Baker Hughes Incorporated Telescopic unit with dissolvable barrier
US9682425B2 (en) 2009-12-08 2017-06-20 Baker Hughes Incorporated Coated metallic powder and method of making the same
US8327931B2 (en) * 2009-12-08 2012-12-11 Baker Hughes Incorporated Multi-component disappearing tripping ball and method for making the same
US9109429B2 (en) 2002-12-08 2015-08-18 Baker Hughes Incorporated Engineered powder compact composite material
US9079246B2 (en) 2009-12-08 2015-07-14 Baker Hughes Incorporated Method of making a nanomatrix powder metal compact
US9101978B2 (en) 2002-12-08 2015-08-11 Baker Hughes Incorporated Nanomatrix powder metal compact
US7013998B2 (en) 2003-11-20 2006-03-21 Halliburton Energy Services, Inc. Drill bit having an improved seal and lubrication method using same
US20050109502A1 (en) * 2003-11-20 2005-05-26 Jeremy Buc Slay Downhole seal element formed from a nanocomposite material
US7373991B2 (en) * 2005-07-18 2008-05-20 Schlumberger Technology Corporation Swellable elastomer-based apparatus, oilfield elements comprising same, and methods of using same in oilfield applications
US20070056725A1 (en) * 2005-09-09 2007-03-15 Chad Lucas Seal assembly
US7604049B2 (en) * 2005-12-16 2009-10-20 Schlumberger Technology Corporation Polymeric composites, oilfield elements comprising same, and methods of using same in oilfield applications
US7631697B2 (en) * 2006-11-29 2009-12-15 Schlumberger Technology Corporation Oilfield apparatus comprising swellable elastomers having nanosensors therein and methods of using same in oilfield application
US20080220991A1 (en) * 2007-03-06 2008-09-11 Halliburton Energy Services, Inc. - Dallas Contacting surfaces using swellable elements
WO2008151272A1 (en) * 2007-06-05 2008-12-11 Lord Corporation High temperature rubber to metal bonded devices and methods of making high temperature engine mounts
GB2451700B (en) * 2007-08-10 2012-01-25 Walker & Co James Seal structure
US20090152009A1 (en) * 2007-12-18 2009-06-18 Halliburton Energy Services, Inc., A Delaware Corporation Nano particle reinforced polymer element for stator and rotor assembly
FR2931528A1 (fr) * 2008-05-23 2009-11-27 Valois Sas Joint de valve ou de pompe
US9206665B2 (en) * 2008-07-28 2015-12-08 Baker Hughes Incorporated Coatings for downhole seal materials and method of making the same
CN102325960A (zh) * 2009-01-16 2012-01-18 国际壳牌研究有限公司 生产油和/或气的系统和方法
US20110086942A1 (en) * 2009-10-09 2011-04-14 Schlumberger Technology Corporation Reinforced elastomers
US8425651B2 (en) 2010-07-30 2013-04-23 Baker Hughes Incorporated Nanomatrix metal composite
US8528633B2 (en) 2009-12-08 2013-09-10 Baker Hughes Incorporated Dissolvable tool and method
US10240419B2 (en) 2009-12-08 2019-03-26 Baker Hughes, A Ge Company, Llc Downhole flow inhibition tool and method of unplugging a seat
US9243475B2 (en) 2009-12-08 2016-01-26 Baker Hughes Incorporated Extruded powder metal compact
US9227243B2 (en) 2009-12-08 2016-01-05 Baker Hughes Incorporated Method of making a powder metal compact
US9127515B2 (en) 2010-10-27 2015-09-08 Baker Hughes Incorporated Nanomatrix carbon composite
US8573295B2 (en) 2010-11-16 2013-11-05 Baker Hughes Incorporated Plug and method of unplugging a seat
US9193879B2 (en) 2010-02-17 2015-11-24 Baker Hughes Incorporated Nano-coatings for articles
US10005672B2 (en) 2010-04-14 2018-06-26 Baker Hughes, A Ge Company, Llc Method of forming particles comprising carbon and articles therefrom
US9079295B2 (en) 2010-04-14 2015-07-14 Baker Hughes Incorporated Diamond particle mixture
US9205531B2 (en) 2011-09-16 2015-12-08 Baker Hughes Incorporated Methods of fabricating polycrystalline diamond, and cutting elements and earth-boring tools comprising polycrystalline diamond
US9776151B2 (en) 2010-04-14 2017-10-03 Baker Hughes Incorporated Method of preparing polycrystalline diamond from derivatized nanodiamond
SA111320374B1 (ar) 2010-04-14 2015-08-10 بيكر هوغيس انكوبوريتد طريقة تشكيل الماسة متعدد البلورات من الماس المستخرج بحجم النانو
US8974562B2 (en) 2010-04-14 2015-03-10 Baker Hughes Incorporated Method of making a diamond particle suspension and method of making a polycrystalline diamond article therefrom
US9309582B2 (en) 2011-09-16 2016-04-12 Baker Hughes Incorporated Methods of fabricating polycrystalline diamond, and cutting elements and earth-boring tools comprising polycrystalline diamond
US8776884B2 (en) 2010-08-09 2014-07-15 Baker Hughes Incorporated Formation treatment system and method
US9090955B2 (en) 2010-10-27 2015-07-28 Baker Hughes Incorporated Nanomatrix powder metal composite
US20120202047A1 (en) * 2011-02-07 2012-08-09 Baker Hughes Incorporated Nano-coatings for articles
US9080098B2 (en) 2011-04-28 2015-07-14 Baker Hughes Incorporated Functionally gradient composite article
US8631876B2 (en) 2011-04-28 2014-01-21 Baker Hughes Incorporated Method of making and using a functionally gradient composite tool
US20120318532A1 (en) * 2011-06-16 2012-12-20 Schlumberger Technology Corporation Temperature Resistant Downhole Elastomeric Device
US9139928B2 (en) 2011-06-17 2015-09-22 Baker Hughes Incorporated Corrodible downhole article and method of removing the article from downhole environment
US9707739B2 (en) 2011-07-22 2017-07-18 Baker Hughes Incorporated Intermetallic metallic composite, method of manufacture thereof and articles comprising the same
US9643250B2 (en) 2011-07-29 2017-05-09 Baker Hughes Incorporated Method of controlling the corrosion rate of alloy particles, alloy particle with controlled corrosion rate, and articles comprising the particle
US9833838B2 (en) 2011-07-29 2017-12-05 Baker Hughes, A Ge Company, Llc Method of controlling the corrosion rate of alloy particles, alloy particle with controlled corrosion rate, and articles comprising the particle
US9040013B2 (en) 2011-08-04 2015-05-26 Baker Hughes Incorporated Method of preparing functionalized graphene
US9033055B2 (en) 2011-08-17 2015-05-19 Baker Hughes Incorporated Selectively degradable passage restriction and method
US9428383B2 (en) 2011-08-19 2016-08-30 Baker Hughes Incorporated Amphiphilic nanoparticle, composition comprising same and method of controlling oil spill using amphiphilic nanoparticle
US9109269B2 (en) 2011-08-30 2015-08-18 Baker Hughes Incorporated Magnesium alloy powder metal compact
US9856547B2 (en) 2011-08-30 2018-01-02 Bakers Hughes, A Ge Company, Llc Nanostructured powder metal compact
US9090956B2 (en) 2011-08-30 2015-07-28 Baker Hughes Incorporated Aluminum alloy powder metal compact
US9643144B2 (en) 2011-09-02 2017-05-09 Baker Hughes Incorporated Method to generate and disperse nanostructures in a composite material
US9133695B2 (en) 2011-09-03 2015-09-15 Baker Hughes Incorporated Degradable shaped charge and perforating gun system
US9347119B2 (en) 2011-09-03 2016-05-24 Baker Hughes Incorporated Degradable high shock impedance material
US9187990B2 (en) 2011-09-03 2015-11-17 Baker Hughes Incorporated Method of using a degradable shaped charge and perforating gun system
US9284812B2 (en) 2011-11-21 2016-03-15 Baker Hughes Incorporated System for increasing swelling efficiency
US9441462B2 (en) 2012-01-11 2016-09-13 Baker Hughes Incorporated Nanocomposites for absorption tunable sandscreens
US9010416B2 (en) 2012-01-25 2015-04-21 Baker Hughes Incorporated Tubular anchoring system and a seat for use in the same
US9488027B2 (en) 2012-02-10 2016-11-08 Baker Hughes Incorporated Fiber reinforced polymer matrix nanocomposite downhole member
US9068428B2 (en) 2012-02-13 2015-06-30 Baker Hughes Incorporated Selectively corrodible downhole article and method of use
US9605508B2 (en) 2012-05-08 2017-03-28 Baker Hughes Incorporated Disintegrable and conformable metallic seal, and method of making the same
US10253605B2 (en) 2012-08-27 2019-04-09 Halliburton Energy Services, Inc. Constructed annular safety valve element package
US9109080B2 (en) 2012-10-22 2015-08-18 Delsper LP Cross-linked organic polymer compositions and methods for controlling cross-linking reaction rate and of modifying same to enhance processability
US9068443B2 (en) * 2012-10-31 2015-06-30 Epic Lift Systems Llc Plunger lift apparatus
US9689242B2 (en) 2012-10-31 2017-06-27 Epic Lift Systems Llc Dart plunger
US9127138B2 (en) 2013-01-28 2015-09-08 Delsper LP Anti-extrusion compositions for sealing and wear components
US10351686B2 (en) 2013-03-13 2019-07-16 Baker Hughes, A Ge Company, Llc Methods of forming modified thermoplastic structures for down-hole applications
WO2014177720A1 (en) 2013-05-03 2014-11-06 Fmc Kongsberg Subsea As Elastomeric seal
WO2014183024A1 (en) 2013-05-09 2014-11-13 University Of Houston Solution based polymer nanofiller-composites synthesis
BR112015029317B1 (pt) 2013-05-22 2021-11-30 Fmc Kongsberg Subsea As Elemento de vedação, método para fabricar um elemento de vedação e método para vedar um sistema de retenção de pressão
US9816339B2 (en) 2013-09-03 2017-11-14 Baker Hughes, A Ge Company, Llc Plug reception assembly and method of reducing restriction in a borehole
US11167343B2 (en) 2014-02-21 2021-11-09 Terves, Llc Galvanically-active in situ formed particles for controlled rate dissolving tools
CA2936851A1 (en) 2014-02-21 2015-08-27 Terves, Inc. Fluid activated disintegrating metal system
US10865465B2 (en) 2017-07-27 2020-12-15 Terves, Llc Degradable metal matrix composite
US9910026B2 (en) 2015-01-21 2018-03-06 Baker Hughes, A Ge Company, Llc High temperature tracers for downhole detection of produced water
US10378303B2 (en) 2015-03-05 2019-08-13 Baker Hughes, A Ge Company, Llc Downhole tool and method of forming the same
US10221637B2 (en) 2015-08-11 2019-03-05 Baker Hughes, A Ge Company, Llc Methods of manufacturing dissolvable tools via liquid-solid state molding
US10016810B2 (en) 2015-12-14 2018-07-10 Baker Hughes, A Ge Company, Llc Methods of manufacturing degradable tools using a galvanic carrier and tools manufactured thereof
US20170254170A1 (en) * 2016-03-07 2017-09-07 Baker Hughes Incorporated Deformable downhole structures including carbon nanotube materials, and methods of forming and using such structures
US11293247B2 (en) 2016-09-12 2022-04-05 Baker Hughes, A Ge Company, Llc Frac plug and method for fracturing a formation
US11492866B2 (en) 2016-09-12 2022-11-08 Baker Hughes Holdings Llc Downhole tools containing ductile cementing materials
US10995194B2 (en) * 2016-11-14 2021-05-04 Hydril USA Distribution LLC Filled elastomers with improved thermal and mechanical properties

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037456A (en) * 1959-02-05 1962-06-05 Armco Steel Corp Well pumping apparatus and packer assemblies therefor
US3212444A (en) * 1963-03-27 1965-10-19 Wallace O Wells Pump
US4234197A (en) * 1979-01-19 1980-11-18 Baker International Corporation Conduit sealing system
US4500095A (en) * 1983-11-03 1985-02-19 The Goodyear Tire & Rubber Company Inflatable oil well hole plug with reinforcing wires
US4572288A (en) * 1984-06-15 1986-02-25 J. C. Kinley Co. Time-delayed ignition system for a down-hole explosive tool
US4813481A (en) * 1987-08-27 1989-03-21 Otis Engineering Corporation Expendable flapper valve
US5577737A (en) * 1993-09-02 1996-11-26 Universal Stuffing Box, Inc. Method and apparatus for establishing and maintaining a fluid seal around a polishing rod
US5524718A (en) * 1995-01-31 1996-06-11 Baker Hughes Incorporated Earth-boring bit with improved bearing seal assembly
US5962553A (en) * 1996-09-03 1999-10-05 Raychem Corporation Organoclay-polymer composites
US6257850B1 (en) * 1997-03-21 2001-07-10 Kenneth S. Conn Piston and seals for a reciprocating pump
US6131657A (en) * 1997-04-01 2000-10-17 Keatch; Richard Method for preventing or inhibiting metal deposition
US6364017B1 (en) * 1999-02-23 2002-04-02 Bj Services Company Single trip perforate and gravel pack system
US6886636B2 (en) * 1999-05-18 2005-05-03 Down Hole Injection, Inc. Downhole fluid disposal apparatus and methods
EP1297058B1 (en) * 1999-11-10 2008-07-30 O'Neil, Charles Optimizing nano-filler performance in polymers
US6422148B1 (en) * 2000-08-04 2002-07-23 Schlumberger Technology Corporation Impermeable and composite perforating gun assembly components
GB2399844B (en) * 2000-08-17 2004-12-22 Abb Offshore Systems Ltd Flow control device
US6447577B1 (en) * 2001-02-23 2002-09-10 Intevep, S. A. Method for removing H2S and CO2 from crude and gas streams
US6513592B2 (en) * 2001-02-28 2003-02-04 Intevep, S.A. Method for consolidation of sand formations using nanoparticles
US6607036B2 (en) * 2001-03-01 2003-08-19 Intevep, S.A. Method for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone
US6579832B2 (en) * 2001-03-02 2003-06-17 Intevep S.A. Method for treating drilling fluid using nanoparticles
US6554070B2 (en) * 2001-03-16 2003-04-29 Intevep, S.A. Composition and method for sealing an annular space between a well bore and a casing
US6590647B2 (en) * 2001-05-04 2003-07-08 Schlumberger Technology Corporation Physical property determination using surface enhanced raman emissions
US6783702B2 (en) * 2001-07-11 2004-08-31 Hyperion Catalysis International, Inc. Polyvinylidene fluoride composites and methods for preparing same
DE10136604C1 (de) * 2001-07-16 2002-12-19 Mapress Gmbh & Co Kg Rohrpressverbindung
US6680016B2 (en) * 2001-08-17 2004-01-20 University Of Dayton Method of forming conductive polymeric nanocomposite materials
US6752216B2 (en) * 2001-08-23 2004-06-22 Weatherford/Lamb, Inc. Expandable packer, and method for seating an expandable packer
US6617377B2 (en) * 2001-10-25 2003-09-09 Cts Corporation Resistive nanocomposite compositions
US6642295B2 (en) * 2001-12-21 2003-11-04 Eastman Kodak Company Photoresist nanocomposite optical plastic article and method of making same
US6668925B2 (en) * 2002-02-01 2003-12-30 Baker Hughes Incorporated ESP pump for gassy wells
EP1408077A1 (en) * 2002-10-09 2004-04-14 Borealis Technology Oy Polymer composition comprising nanofillers
JP2004132486A (ja) * 2002-10-11 2004-04-30 Nsk Ltd 車輪支持用転がり軸受ユニット
DE10308581A1 (de) * 2003-02-27 2004-09-16 Wacker-Chemie Gmbh Wärmedämmung für Unterwasser-Bauteile für die Öl- und Gasförderung
JP2004308837A (ja) * 2003-04-09 2004-11-04 Nissin Kogyo Co Ltd シール部材
US20050109502A1 (en) * 2003-11-20 2005-05-26 Jeremy Buc Slay Downhole seal element formed from a nanocomposite material

Also Published As

Publication number Publication date
GB2410264A (en) 2005-07-27
RU2373375C2 (ru) 2009-11-20
CA2493698C (en) 2012-01-17
NO20050380L (no) 2005-07-25
US20050161212A1 (en) 2005-07-28
GB0501307D0 (en) 2005-03-02
CA2493698A1 (en) 2005-07-23
RU2005101450A (ru) 2006-07-10
NO20050380D0 (no) 2005-01-24
GB2410264B (en) 2006-03-29

Similar Documents

Publication Publication Date Title
BRPI0500853A (pt) Sistema para uso em um furo poço, método de melhorar um componente de fundo de poço, e sistema para uso em um furo de poço
BRPI0413004A (pt) sistema e método para vedar um espaço em um furo de poço formado em uma formação terrestre
BR0317296A (pt) Método de tratamento de uma formação subterrânea
EP2096255B8 (en) Downhole apparatus and method
MXPA02007794A (es) Incorporacion de cortes de perforacion en estructuras estables que soportan carga.
BR112015000584A2 (pt) fluido de perfuração para fortalecimento de um furo de poço; uso de fluido de perfuração; e método para produzir fluido de perfuração
AR055351A1 (es) Metodos y composiciones para el control de finos de formacion y para la reduccion de reflujo de agente de sosten
BRPI0809587A2 (pt) sistema, método para consolidar uma formação subterrânea num poço
BR112015027118A2 (pt) método para fornecer uma composição de resina endurecível
CO5080809A1 (es) Materiales compuestos basados en pigmentos o materiales de relleno co-estructurados o co-adsorbidos y uso de estos
AR067026A1 (es) Mezclas secas de material de construccion tratadas con polimero
CA2436378A1 (en) Cement composition exhibiting improved resilience/toughness and method for using same
BRPI0821594A2 (pt) Método para intensificar a recuperação do óleo
BR0108612B1 (pt) fluido viscoso para uso em operações de furo de sondagem, método de fraturamento de formação subterránea e método para reduzir a quantidade de água produzida de uma formação de produção de óleo subterránea.
BRPI0413396A (pt) dispersão aquosa, método para produzir uma dispersão aquosa, camada de pelìcula e artigo
NO20071645L (no) Boresystem omfattende en bronntraktor
EA201070346A1 (ru) Буровой раствор, содержащий углеродные нанотрубки
CA2553018A1 (en) Fluid loss control additives for use in fracturing subterranean formations
BRPI0815529A2 (pt) "processo de biorremediação de solos contaminados, processo de biorremediação de águas superficiais ou subterrâneas contaminadas por compostos orgânicos e/ou inorgânicos, composição e uso de um substrato natural".
DE602005021645D1 (de) Bohrwerkzeug mit elastomerdichtung mit abgestuften eigenschaften
ATE463656T1 (de) Bohrlochvorrichtung und herstellungsverfahren dafür
DE502005005102D1 (de) Verfahren zur herstellung absorbierender verbundstoffe
BR0302118A (pt) Processo para inibir a migração de gás de uma zona subterrânea em um cimento de furo de poço, e, composição de cimento
BRPI0812653A2 (pt) "uso de um material, uso de cargas de reforço do tipo sílica precipitada, processo de fraturamento de um poço de perfuração e poço de perfuração"
DE50300825D1 (de) Verfahren zur herstellung von gecoateten, feinteiligen, anorganischen festk rpern und deren verwendung

Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: SCHLUMBERGER HOLDINGS LIMITED (VG)

Free format text: TRANSFERIDO DE: SCHLUMBERGER TECHNOLOGY CORPORATION

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM O ARTIGO 8O COMBINADO COM ARTIGO 13 DA LPI

B12B Appeal against refusal [chapter 12.2 patent gazette]
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]