BR112013011454A2 - processo de revestimento de um componente tubular roscado, componente tubular roscado e união resultante22 - Google Patents

processo de revestimento de um componente tubular roscado, componente tubular roscado e união resultante22

Info

Publication number
BR112013011454A2
BR112013011454A2 BR112013011454A BR112013011454A BR112013011454A2 BR 112013011454 A2 BR112013011454 A2 BR 112013011454A2 BR 112013011454 A BR112013011454 A BR 112013011454A BR 112013011454 A BR112013011454 A BR 112013011454A BR 112013011454 A2 BR112013011454 A2 BR 112013011454A2
Authority
BR
Brazil
Prior art keywords
tubular member
threaded tubular
joint22
resulting
coating process
Prior art date
Application number
BR112013011454A
Other languages
English (en)
Other versions
BR112013011454B1 (pt
Inventor
Eliette Pinel
Eric Gard
Mikael Petit
Mohamed Gouider
Original Assignee
Nippon Steel & Sumitomo Metal Corp
Vallourec Mannesmann Oil & Gas
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 Nippon Steel & Sumitomo Metal Corp, Vallourec Mannesmann Oil & Gas filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of BR112013011454A2 publication Critical patent/BR112013011454A2/pt
Publication of BR112013011454B1 publication Critical patent/BR112013011454B1/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
    • C10M107/30—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M107/32—Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/003—Threaded pieces, e.g. bolts or nuts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/101—Condensation polymers of aldehydes or ketones and phenols, e.g. Also polyoxyalkylene ether derivatives thereof
    • C10M2209/1013—Condensation polymers of aldehydes or ketones and phenols, e.g. Also polyoxyalkylene ether derivatives thereof used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/04—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/04—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen
    • C10M2213/043—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/06—Groups 3 or 13
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/08—Groups 4 or 14
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/015—Dispersions of solid lubricants
    • C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/08—Solids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2080/00—Special pretreatment of the material to be lubricated, e.g. phosphatising or chromatising of a metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Paints Or Removers (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Lubricants (AREA)
  • Laminated Bodies (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
BR112013011454-1A 2010-11-10 2011-11-02 Processo de revestimento de um componente tubular roscado, componente tubular roscado e união resultante BR112013011454B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1004399A FR2967199B1 (fr) 2010-11-10 2010-11-10 Procede de revetement d'un composant tubulaire filete, composant tubulaire filete et joint resultant
FR10/044399 2010-11-10
PCT/EP2011/005524 WO2012062426A1 (en) 2010-11-10 2011-11-02 Process for coating a threaded tubular component, threaded tubular component and resulting connection

Publications (2)

Publication Number Publication Date
BR112013011454A2 true BR112013011454A2 (pt) 2016-08-09
BR112013011454B1 BR112013011454B1 (pt) 2019-04-24

Family

ID=44245076

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013011454-1A BR112013011454B1 (pt) 2010-11-10 2011-11-02 Processo de revestimento de um componente tubular roscado, componente tubular roscado e união resultante

Country Status (13)

Country Link
US (1) US20130320665A1 (pt)
EP (1) EP2638134B1 (pt)
JP (1) JP6018576B2 (pt)
CN (1) CN103221519B (pt)
AR (1) AR083823A1 (pt)
AU (1) AU2011328484B2 (pt)
BR (1) BR112013011454B1 (pt)
CA (1) CA2815723C (pt)
EA (1) EA024642B1 (pt)
FR (1) FR2967199B1 (pt)
MX (1) MX2013005243A (pt)
UA (1) UA112064C2 (pt)
WO (1) WO2012062426A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100201119A1 (en) 2007-04-13 2010-08-12 Vallourec Mannesmann Oil & Gas France Tubular threaded member with dry protection coating
FR2981395B1 (fr) 2011-10-14 2016-04-01 Vallourec Mannesmann Oil & Gas Composant filete tubulaire et joint resultant
FR2985297B1 (fr) 2011-12-29 2016-04-01 Vallourec Mannesmann Oil & Gas Composant filete tubulaire et procede de revetement d'un tel composant filete tubulaire
JP6428101B2 (ja) * 2014-09-26 2018-11-28 住友電気工業株式会社 光ファイバ心線及び光ファイバテープ心線
CA2920030A1 (en) 2015-02-03 2016-08-03 925599 Alberta Ltd. Reinforced pipe connector
US11339634B2 (en) 2015-04-10 2022-05-24 925599 Alberta Ltd. Pipe connector
MX2017012976A (es) * 2015-04-10 2018-06-06 925599 Alberta Ltd Conector de tubo.
BR112018007949B1 (pt) * 2015-11-30 2022-04-05 Halliburton Energy Services, Inc Ferramenta de campo petrolífero, método e sistema para operações de campo petrolífero.
EP3192853B1 (fr) * 2016-01-15 2023-04-26 Sikemia Procede de traitement d'une surface pour l'obtention d'un revêtement oleophobe et/ou hydrophobe
RU2626390C1 (ru) * 2016-09-19 2017-07-26 Акционерное общество "Обнинское научно-производственное предприятие "Технология" им. А.Г. Ромашина" Способ определения природы проводимости диэлектриков
AR117811A1 (es) * 2019-01-16 2021-08-25 Nippon Steel Corp Conexión roscada para tubos o caños, y método para producción de una conexión roscada para tubos o caños
WO2020243351A1 (en) * 2019-05-28 2020-12-03 Saudi Arabian Oil Company Casing with external thread and methods of manufacture
JP7336311B2 (ja) * 2019-08-21 2023-08-31 信越ポリマー株式会社 ダミーウェーハ

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30467E (en) 1978-12-29 1980-12-30 Brunswick Corporation Bowling scorer utilizing semiconductor elements
USRE34467E (en) 1983-04-29 1993-12-07 The Hydril Company Tubular connection
JPS60196334A (ja) * 1984-03-19 1985-10-04 三菱電機株式会社 耐食性管体およびその製造方法
US4822081A (en) 1987-03-23 1989-04-18 Xl Systems Driveable threaded tubular connection
US5264274A (en) * 1991-02-04 1993-11-23 Honda Giken Kogyo Kabushiki Kaisha Thermoplastic composite material having improved toughness and method of producing same
US6300762B1 (en) * 1998-02-19 2001-10-09 Schlumberger Technology Corporation Use of polyaryletherketone-type thermoplastics in a production well
JP2000272049A (ja) * 1999-03-23 2000-10-03 Nikken Toso Kogyo Kk Ｐｅｅｋ樹脂皮膜形成方法並びにｐｅｅｋ樹脂皮膜
CN1215267C (zh) * 2001-03-16 2005-08-17 大丰工业株式会社 滑动件
ES2343706T3 (es) * 2001-04-11 2010-08-06 Sumitomo Metal Industries, Ltd. Junta roscada para tuberias de acero y proceso de tratamiento superficial de las mismas.
JP4123810B2 (ja) * 2001-04-11 2008-07-23 住友金属工業株式会社 耐焼付き性に優れた鋼管用ねじ継手とその表面処理方法
JP3921962B2 (ja) * 2001-05-24 2007-05-30 住友金属工業株式会社 鋼管用ねじ継手
JP4599874B2 (ja) * 2004-04-06 2010-12-15 住友金属工業株式会社 油井管用ねじ継手、及びその製造方法
JP4701735B2 (ja) * 2004-07-09 2011-06-15 株式会社豊田自動織機 摺動部材
JP4490205B2 (ja) * 2004-08-10 2010-06-23 日本山村硝子株式会社 固体潤滑膜形成用コーティング組成物及び該コーティング組成物で被覆した金属製品
US8146889B2 (en) * 2004-08-27 2012-04-03 Vetco Gray Inc. Low friction coatings for dynamically engaging load bearing surfaces
EP1864048B1 (en) 2005-03-29 2013-07-17 Nippon Steel & Sumitomo Metal Corporation Threaded joint for steel pipes
JP4880243B2 (ja) * 2005-04-04 2012-02-22 協同油脂株式会社 潤滑剤組成物
GB0506934D0 (en) * 2005-04-06 2005-05-11 Victrex Mfg Ltd Polymeric material
US7789012B2 (en) * 2005-04-25 2010-09-07 Aquasyn, Llc Valve bonnet assembly
KR100542730B1 (ko) * 2005-07-13 2006-01-20 이미현 공동주택 차량 공유자에 적합한 차량 위치정보 제공장치 및위치정보 제공방법
JP4899691B2 (ja) * 2006-07-28 2012-03-21 富士ゼロックス株式会社 応答器の真偽判定システム、識別システムおよび質問器
JP5028923B2 (ja) 2006-09-14 2012-09-19 住友金属工業株式会社 鋼管用ねじ継手
FR2914926B1 (fr) 2007-04-11 2013-11-01 Vallourec Mannesmann Oil & Gas Composition de lubrification a coefficient de frottement adaptable, pour un element filete d'un composant de joint filete tubulaire.
JP2010024980A (ja) * 2008-07-18 2010-02-04 Toyota Central R&D Labs Inc 内燃機関の動弁装置及び内燃機関の動弁装置の製造方法
FR2939490B1 (fr) * 2008-12-10 2013-01-18 Vallourec Mannesmann Oil & Gas Joint tubulaire etanche utilise dans l'industrie du petrole et procede de realisation d'un tel joint
CN101665621B (zh) * 2009-09-29 2011-09-14 上海海隆赛能新材料有限公司 油井管专用超高耐磨抗硫化氢聚醚醚酮水性悬浮液的制备及应用
US8535762B2 (en) * 2009-10-09 2013-09-17 Tenaris Connections Limited Tubular joint having wedge threads with surface coating

Also Published As

Publication number Publication date
AU2011328484B2 (en) 2015-11-19
EA024642B1 (ru) 2016-10-31
WO2012062426A1 (en) 2012-05-18
MX2013005243A (es) 2013-06-12
EP2638134B1 (en) 2019-07-24
CN103221519B (zh) 2015-04-15
JP6018576B2 (ja) 2016-11-02
FR2967199A1 (fr) 2012-05-11
FR2967199B1 (fr) 2013-11-01
CA2815723A1 (en) 2012-05-18
JP2013545946A (ja) 2013-12-26
CA2815723C (en) 2018-08-21
CN103221519A (zh) 2013-07-24
AR083823A1 (es) 2013-03-27
EA201370114A1 (ru) 2013-12-30
BR112013011454B1 (pt) 2019-04-24
US20130320665A1 (en) 2013-12-05
AU2011328484A1 (en) 2013-05-02
EP2638134A1 (en) 2013-09-18
UA112064C2 (uk) 2016-07-25

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP) ,

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 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 02/11/2011, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/11/2011, OBSERVADAS AS CONDICOES LEGAIS

B25D Requested change of name of applicant approved

Owner name: VALLOUREC OIL AND GAS FRANCE (FR) ; NIPPON STEEL C

Owner name: VALLOUREC OIL AND GAS FRANCE (FR) ; NIPPON STEEL CORPORATION (JP)