CA2452426A1 - Pipe thread joint - Google Patents

Pipe thread joint Download PDF

Info

Publication number
CA2452426A1
CA2452426A1 CA002452426A CA2452426A CA2452426A1 CA 2452426 A1 CA2452426 A1 CA 2452426A1 CA 002452426 A CA002452426 A CA 002452426A CA 2452426 A CA2452426 A CA 2452426A CA 2452426 A1 CA2452426 A1 CA 2452426A1
Authority
CA
Canada
Prior art keywords
satisfies
pressure
annular contact
contact portion
unthreaded
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002452426A
Other languages
French (fr)
Other versions
CA2452426C (en
Inventor
Jun Maeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vallourec Oil and Gas France SAS
Nippon Steel Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2452426A1 publication Critical patent/CA2452426A1/en
Application granted granted Critical
Publication of CA2452426C publication Critical patent/CA2452426C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/001—Screw-threaded joints; Forms of screw-threads for such joints with conical threads
    • F16L15/004—Screw-threaded joints; Forms of screw-threads for such joints with conical threads with axial sealings having at least one plastically deformable sealing surface
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00—Pipe joints or couplings
    • Y10S285/917—Metallic seals

Abstract

A threaded joint which economically imparts effective sealing properties to a metal-to-metal seal portion and which can prevent galling at the time of make-up comprises a steel pipe 1 having at its tip a male thread 1b and an unthreaded sealing surface 1a, and a coupling 2 having on its inner surface a female thread 2b and an unthreaded sealing surface 2a. With the yield pressure of the inner surface of the pipe being Py, (1) the average pressure Pm of the annular contact portion satisfies Pm/Py>=
3, and the width in the axial direction of the portion which receives a pressure Ps which satisfies Ps/Py >= 1 in the annular contact portion is at least 1 mm (or at least 2 mm), and the surface roughness Ry of both unthreaded sealing surfaces is at most 25 µm (or at most 30 µm), or (2) the relationship between the average pressure Pm of the annular contact portion and the surface roughness Ry (µm) of the unthreaded sealing surface satisfies Pm/Py >= 0.0032 x Ry2 + 1.0, and the width in the axial direction of the portion which receives a pressure Ps which satisfies Ps/Py >= 1 in the annular contact portion is at least 1 mm.
CA002452426A 2001-07-13 2002-07-11 Pipe thread joint Expired - Lifetime CA2452426C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001-213469 2001-07-13
JP2001213469A JP3876656B2 (en) 2001-07-13 2001-07-13 Threaded joints for pipes
PCT/JP2002/007053 WO2003006867A1 (en) 2001-07-13 2002-07-11 Pipe thread joint

Publications (2)

Publication Number Publication Date
CA2452426A1 true CA2452426A1 (en) 2003-01-23
CA2452426C CA2452426C (en) 2009-09-29

Family

ID=19048437

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002452426A Expired - Lifetime CA2452426C (en) 2001-07-13 2002-07-11 Pipe thread joint

Country Status (15)

Country Link
US (1) US6957834B2 (en)
EP (1) EP1408269B1 (en)
JP (1) JP3876656B2 (en)
CN (1) CN1245585C (en)
AT (1) ATE349645T1 (en)
BR (1) BR0211131B1 (en)
CA (1) CA2452426C (en)
DE (1) DE60217119T2 (en)
ES (1) ES2277619T3 (en)
MX (1) MXPA04000356A (en)
MY (1) MY129407A (en)
PL (1) PL200800B1 (en)
RO (1) RO121534B1 (en)
RU (1) RU2258171C2 (en)
WO (1) WO2003006867A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004220459B2 (en) * 2003-03-12 2010-08-05 Vasgene Therapeutics, Inc. Polypeptide compounds for inhibiting angiogenesis and tumor growth
US8220842B2 (en) * 2003-05-30 2012-07-17 Vallourec Mannesmann Oil & Gas France Threaded tubular connection which is resistant to bending stresses
FR2868146B1 (en) * 2004-03-26 2009-01-23 Vallourec Mannesmann Oil Gas F TUBULAR THREAD RESISTANT TO FLEXION CONSTRAINTS
JP2005351324A (en) * 2004-06-09 2005-12-22 Metal One Corp Screw joint for oil well pipe
US7497481B2 (en) * 2005-05-13 2009-03-03 Hydril Llc Treating method and design method for tubular connections
US8590641B2 (en) * 2006-01-20 2013-11-26 Exxonmobil Upstream Research Company Method and system for evaluating groups of threaded connections
JP4835999B2 (en) * 2006-09-07 2011-12-14 住友金属工業株式会社 Method of evaluating fastening condition of threaded joint of pipe and method of fastening threaded joint of pipe using the same
RU2324857C1 (en) * 2006-10-11 2008-05-20 Темлюкс Холдинг Лимитед С.А. Threaded connection of oil well tubing (variants)
BR112017014103B1 (en) * 2015-01-15 2021-11-23 Jfe Steel Corporation SCREW JOINT FOR TUBE
RU2604461C1 (en) 2015-08-21 2016-12-10 Открытое акционерное общество "Первоуральский новотрубный завод" Threaded pipe connection
MX2019007612A (en) * 2017-01-18 2019-08-29 Nippon Steel Corp Threaded joint.
NL2023877B1 (en) * 2019-09-23 2021-05-25 Tenaris Connections Bv Torque shoulder for tubular goods connection
EP3983637B1 (en) * 2019-06-17 2023-09-06 Tenaris Connections B.V. Torque shoulder for tubular goods connection
CN113913889B (en) * 2021-09-22 2023-05-09 成都飞机工业（集团）有限责任公司 Galvanized phosphating pipe joint and method for reducing surface roughness thereof

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211765B2 (en) * 1972-03-31 1977-04-02
US5423579A (en) 1983-01-17 1995-06-13 Hydril Company Tubular coupling with metal to metal seal
GB8414203D0 (en) 1984-06-04 1984-07-11 Hunting Oilfield Services Ltd Pipe connectors
JPS616488A (en) 1984-06-20 1986-01-13 日本鋼管株式会社 Screw coupling for oil well pipe
JPS61124792A (en) 1984-11-19 1986-06-12 住友金属工業株式会社 Pipe joint for oil well pipe
EP0229861B1 (en) * 1986-01-23 1988-08-10 MANNESMANN Aktiengesellschaft Coupling for oil and gas field pipes
JPS639794A (en) * 1986-06-27 1988-01-16 日本鋼管株式会社 Screw joint for large-diameter casing
US4692988A (en) * 1986-08-19 1987-09-15 Nowsco Well Service (U.K.) Limited Screw thread protection
US4736967A (en) * 1986-12-04 1988-04-12 The Hydril Company Tubular pin configuration to prevent galling while ensuring sealing
IT1224745B (en) * 1988-10-03 1990-10-18 Dalmine Spa METALLIC HERMETIC SEAL JOINT FOR PIPES
US5498035A (en) * 1990-01-19 1996-03-12 Blose; Thomas L. Pipe coupling
US5137310A (en) 1990-11-27 1992-08-11 Vallourec Industries Assembly arrangement using frustoconical screwthreads for tubes
JPH0610154A (en) 1992-06-26 1994-01-18 Kawasaki Steel Corp Method for treating surface of oil well pipe joint
JPH07217777A (en) 1994-02-04 1995-08-15 Nippon Steel Corp Screw joint having excellent heat resistance
WO1996010710A1 (en) * 1994-10-04 1996-04-11 Nippon Steel Corporation Steel pipe joint having high galling resistance and surface treatment method thereof
JPH08145248A (en) 1994-11-22 1996-06-07 Kawasaki Steel Corp Screw coupling for oil well steel pipe
JPH0972467A (en) * 1995-09-05 1997-03-18 Nippon Steel Corp Threaded joint with excellent seizure resistance under no grease lubrication
DE69736232T2 (en) * 1997-05-30 2007-05-24 Vallourec Mannesmann Oil & Gas France SCREW CONNECTION FOR OIL PIPES
FR2784446B1 (en) * 1998-10-13 2000-12-08 Vallourec Mannesmann Oil & Gas INTEGRAL THREADED ASSEMBLY OF TWO METAL TUBES
JP2001065752A (en) * 1999-08-27 2001-03-16 Sumitomo Metal Ind Ltd Screw joint for oil well pipe and lublication film forming method therefor
CA2395943A1 (en) * 1999-12-27 2001-07-05 Shigeo Nagasaku Screw joint for oil well pipe
BR0111807B1 (en) * 2000-06-20 2009-05-05 tubular threaded joint with reinforced stop.
IT1318179B1 (en) * 2000-07-17 2003-07-23 Dalmine Spa INTEGRAL THREADED JOINT FOR PIPES.
JP3931564B2 (en) * 2001-01-25 2007-06-20 住友金属工業株式会社 Threaded joint for steel pipes with excellent seizure resistance and rust resistance
FR2833335B1 (en) * 2001-12-07 2007-05-18 Vallourec Mannesmann Oil & Gas UPPER TUBULAR THREADING CONTAINING AT LEAST ONE THREADED ELEMENT WITH END LIP

Also Published As

Publication number Publication date
CN1527917A (en) 2004-09-08
EP1408269A1 (en) 2004-04-14
PL200800B1 (en) 2009-02-27
DE60217119T2 (en) 2007-10-25
JP3876656B2 (en) 2007-02-07
MXPA04000356A (en) 2004-05-04
DE60217119D1 (en) 2007-02-08
MY129407A (en) 2007-03-30
US6957834B2 (en) 2005-10-25
RU2004104347A (en) 2005-03-27
CA2452426C (en) 2009-09-29
WO2003006867A1 (en) 2003-01-23
EP1408269A4 (en) 2004-12-29
RO121534B1 (en) 2007-10-30
PL367111A1 (en) 2005-02-21
ES2277619T3 (en) 2007-07-16
JP2003028353A (en) 2003-01-29
CN1245585C (en) 2006-03-15
EP1408269B1 (en) 2006-12-27
RU2258171C2 (en) 2005-08-10
US20040217592A1 (en) 2004-11-04
ATE349645T1 (en) 2007-01-15
BR0211131B1 (en) 2011-02-08
BR0211131A (en) 2004-06-29

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20220711