NO995684D0 - Spenningsreduksjons-spor for rörforbindelse - Google Patents

Spenningsreduksjons-spor for rörforbindelse

Info

Publication number
NO995684D0
NO995684D0 NO995684A NO995684A NO995684D0 NO 995684 D0 NO995684 D0 NO 995684D0 NO 995684 A NO995684 A NO 995684A NO 995684 A NO995684 A NO 995684A NO 995684 D0 NO995684 D0 NO 995684D0
Authority
NO
Norway
Prior art keywords
pipe connection
voltage reduction
reduction groove
groove
voltage
Prior art date
Application number
NO995684A
Other languages
English (en)
Other versions
NO995684L (no
Inventor
Doug Enderle
John Greenip
Original Assignee
Hydril Co
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 Hydril Co filed Critical Hydril Co
Publication of NO995684D0 publication Critical patent/NO995684D0/no
Publication of NO995684L publication Critical patent/NO995684L/no

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
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
NO995684A 1997-05-20 1999-11-19 Spenningsreduksjons-spor for roerforbindelse NO995684L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4715997P 1997-05-20 1997-05-20
US09/019,611 US6050610A (en) 1997-05-20 1998-02-06 Stress reduction groove for tubular connection
PCT/US1998/010263 WO1998053177A1 (en) 1997-05-20 1998-05-20 Stress reduction groove for tubular connection

Publications (2)

Publication Number Publication Date
NO995684D0 true NO995684D0 (no) 1999-11-19
NO995684L NO995684L (no) 2000-01-19

Family

ID=26692399

Family Applications (1)

Application Number Title Priority Date Filing Date
NO995684A NO995684L (no) 1997-05-20 1999-11-19 Spenningsreduksjons-spor for roerforbindelse

Country Status (7)

Country Link
US (1) US6050610A (no)
EP (1) EP0991846B1 (no)
JP (1) JP2001507771A (no)
AU (1) AU738326B2 (no)
BR (1) BR9809844A (no)
NO (1) NO995684L (no)
WO (1) WO1998053177A1 (no)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6206436B1 (en) * 1999-02-19 2001-03-27 Hydril Company Differential wedge thread for threaded connector
WO2001029475A1 (en) * 1999-10-20 2001-04-26 Beverly Watts Ramos Open type wedgethread connection
US6406070B1 (en) * 2000-11-03 2002-06-18 Grant Prideco, Lp Casing drilling connector with low stress flex groove
GB0029324D0 (en) * 2000-12-01 2001-01-17 Bbl Downhole Tools Ltd Shoe
US6682101B2 (en) * 2002-03-06 2004-01-27 Beverly Watts Ramos Wedgethread pipe connection
US6767035B2 (en) * 2002-03-11 2004-07-27 Weatherford/Lamb, Inc. High torque modified profile threaded tubular connection
US6976711B2 (en) * 2002-04-19 2005-12-20 Hydril Company Lp Threaded connection especially for radially plastically expandable conduit
US6905149B2 (en) 2003-01-02 2005-06-14 Grant Prideco, L.P. Pressure relieved thread connection
US20050258650A1 (en) * 2004-01-28 2005-11-24 Douglas Swingley Threaded pressure fitting with recessed thread roots
US20050284659A1 (en) * 2004-06-28 2005-12-29 Hall David R Closed-loop drilling system using a high-speed communications network
KR101119093B1 (ko) * 2004-07-12 2012-03-16 엘지전자 주식회사 식기세척기의 도어 밀폐용 부싱 구조
US7093654B2 (en) * 2004-07-22 2006-08-22 Intelliserv, Inc. Downhole component with a pressure equalization passageway
US7578039B2 (en) * 2004-11-05 2009-08-25 Hydril Llc Dope relief method for wedge thread connections
US7156676B2 (en) * 2004-11-10 2007-01-02 Hydril Company Lp Electrical contractors embedded in threaded connections
US7243957B2 (en) * 2004-12-30 2007-07-17 Hydril Company Lp Pseudo two-step connection
US7527304B2 (en) * 2004-12-30 2009-05-05 Hydril Llc Floating wedge thread for tubular connection
US7458616B2 (en) * 2004-12-30 2008-12-02 Hydril Company Threads with perturbations
US8668233B2 (en) * 2004-12-30 2014-03-11 Hydril Company Threaded connection with perturbed flanks
US7575255B2 (en) 2004-12-30 2009-08-18 Hydril Llc Wedge thread with high-angle metal seal
US7717478B2 (en) * 2006-08-29 2010-05-18 Hydril Llc Scalloped wedge threads
US7438329B2 (en) * 2005-01-11 2008-10-21 V&M Atlas Bradford, Lp Methods and connections for coupled pipe
US7431565B2 (en) * 2005-05-05 2008-10-07 Siemens Power Generation, Inc. Method of repairing a threaded generator rotor blower assembly
AT8404U1 (de) * 2005-05-27 2006-07-15 Techmo Entw & Vertriebs Gmbh Rohrverbindung
US8177262B2 (en) * 2005-07-28 2012-05-15 Hydril Company Lp Mid-seal for expandable connections
KR100741293B1 (ko) * 2005-08-30 2007-07-23 주식회사 솔고 바이오메디칼 다중축 척추 고정 나사
US7850211B2 (en) * 2006-01-24 2010-12-14 Hydril Company Wedge thread connections having a clearance gap volume
CN101021147B (zh) * 2006-02-15 2013-06-26 希德卡公司 具有改进的抗疲劳的抽油杆连接装置
US7686350B2 (en) * 2006-03-30 2010-03-30 Hydril Llc Mismatched flanks for a wedge thread
US20080073905A1 (en) * 2006-09-27 2008-03-27 Mclaughlin Thomas Kilpatrick Pipe coupling system
US7731246B2 (en) * 2006-09-29 2010-06-08 Varco I/P, Inc. Pipe coupling system
US20090008929A1 (en) * 2007-07-05 2009-01-08 David Vernon Person Pipe coupling spacer insert
US8678447B2 (en) 2009-06-04 2014-03-25 National Oilwell Varco, L.P. Drill pipe system
US10215314B2 (en) 2010-08-23 2019-02-26 Vallourec Oil And Gas France Tubular threaded connection
FR2979968B1 (fr) 2011-09-13 2014-06-27 Vallourec Mannesmann Oil & Gas Ensemble pour la realisation d'un joint filete pour le forage et l'exploitation des puits d'hydrocarbures et joint filete resultant
US8668232B2 (en) * 2011-12-09 2014-03-11 Tenaris Connections Limited Threaded connection with improved root thread profile
GB2502958B (en) * 2012-06-11 2019-04-24 Halliburton Energy Services Inc Improvements relating to core barrel outer tubes
US8931809B2 (en) 2012-09-21 2015-01-13 Vallourec Oil And Gas France Tubular threaded connection
MX2016015584A (es) * 2014-05-30 2017-03-23 Nippon Steel & Sumitomo Metal Corp Junta roscada para tubos de acero.
US11371292B2 (en) 2017-12-21 2022-06-28 Hydril Company Threadform having crest to root thread compound relief areas
CA3085949A1 (en) 2017-12-21 2019-06-27 Ultra Premium Services, L.L.C. Wedge threadform having crest to root thread compound relief areas
RU186585U1 (ru) * 2018-08-03 2019-01-24 Общество с ограниченной ответственностью "Пермская компания нефтяного машиностроения" Двухупорное резьбовое соединение
CN110056315A (zh) * 2019-03-13 2019-07-26 中国石油天然气集团有限公司 一种无憋压螺纹连接结构
CN110374522A (zh) * 2019-06-28 2019-10-25 中国石油天然气集团有限公司 一种页岩气开采用螺纹接头
FR3098878B1 (fr) * 2019-07-19 2021-07-30 Vallourec Oil & Gas France Joint fileté pour colonne de cuvelage de puits de pétrole
RU200794U1 (ru) * 2020-07-11 2020-11-11 Общество с ограниченной ответственностью "ТЕХНОМАШ" Резьбовое соединение бурильных труб

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30647A (en) * 1860-11-13 Improvement in forming cartridge-cases
US34467A (en) * 1862-02-18 Improvement in machines for cutting twist-moldings
US2177100A (en) * 1938-09-21 1939-10-24 Nat Supply Co Leak-resisting pipe thread
US2239942A (en) 1939-05-17 1941-04-29 Hydril Company Of California Well pipe joint
US2992019A (en) 1958-07-07 1961-07-11 Hydril Co Casing joint having metal-to-metal sealing means responsive to fluid pressure
US3359013A (en) 1965-09-03 1967-12-19 Hydril Co Deep well casing jont
US3424479A (en) * 1966-01-11 1969-01-28 Ingersoll Rand Co Coupling and rod system for rock drills
USRE30647E (en) 1975-04-23 1981-06-16 Hydril Company Tubular connection
USRE34467E (en) * 1983-04-29 1993-12-07 The Hydril Company Tubular connection
US4601491A (en) * 1983-10-19 1986-07-22 Vetco Offshore, Inc. Pipe connector
US4712815A (en) * 1984-10-02 1987-12-15 Hydril Company Metal-to-metal wedge thread coupling connector
US4671544A (en) * 1985-10-15 1987-06-09 Hydril Company Seal for threaded pipe connection
US4703954A (en) * 1985-11-08 1987-11-03 Hydril Company Threaded pipe connection having wedge threads
US4703959A (en) * 1986-02-10 1987-11-03 Hydril Company Threaded pipe connection with compressible seal ring
US4676529A (en) * 1986-03-24 1987-06-30 Hydril Company Pipe joint
US4708038A (en) * 1986-08-29 1987-11-24 Dieter Hellnick Method for machining and improved modified threaded collar
JPH0631661B2 (ja) * 1987-02-23 1994-04-27 新日本製鐵株式会社 低応力・高気密油井管用ネジ継手
US4943094A (en) * 1988-09-30 1990-07-24 Centron Corporation Threaded pin and box construction for composite tubulars
US5338074A (en) * 1989-03-02 1994-08-16 The Hydril Company Threaded pipe connection
US5127784A (en) * 1989-04-19 1992-07-07 Halliburton Company Fatigue-resistant buttress thread
US5060740A (en) * 1990-05-29 1991-10-29 Sandvik Rock Tools, Inc. Screw thread coupling
US5360240A (en) * 1993-03-05 1994-11-01 Hydril Company Method of connecting plastic pipe joints to form a liner for an existing pipeline and a plastic pipe joint for forming such liner
US5454605A (en) * 1993-06-15 1995-10-03 Hydril Company Tool joint connection with interlocking wedge threads
US5431831A (en) * 1993-09-27 1995-07-11 Vincent; Larry W. Compressible lubricant with memory combined with anaerobic pipe sealant
US5427428A (en) * 1993-10-04 1995-06-27 Ericson; John C. Folding cover for the bed of a pickup truck

Also Published As

Publication number Publication date
NO995684L (no) 2000-01-19
AU7688898A (en) 1998-12-11
AU738326B2 (en) 2001-09-13
WO1998053177A1 (en) 1998-11-26
JP2001507771A (ja) 2001-06-12
EP0991846B1 (en) 2002-10-16
US6050610A (en) 2000-04-18
BR9809844A (pt) 2000-06-20
EP0991846A1 (en) 2000-04-12

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application