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GB2164358B - Drill rod - Google Patents

Drill rod

Info

Publication number
GB2164358B
GB2164358B GB08521740A GB8521740A GB2164358B GB 2164358 B GB2164358 B GB 2164358B GB 08521740 A GB08521740 A GB 08521740A GB 8521740 A GB8521740 A GB 8521740A GB 2164358 B GB2164358 B GB 2164358B
Authority
GB
United Kingdom
Prior art keywords
drill rod
drill
rod
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.)
Expired
Application number
GB08521740A
Other versions
GB2164358A (en
GB8521740D0 (en
Inventor
Nicolangelo Signori
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.)
Saipem SpA
Original Assignee
Saipem SpA
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 Saipem SpA filed Critical Saipem SpA
Publication of GB8521740D0 publication Critical patent/GB8521740D0/en
Publication of GB2164358A publication Critical patent/GB2164358A/en
Application granted granted Critical
Publication of GB2164358B publication Critical patent/GB2164358B/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06Surface hardening
    • C21D1/09Surface hardening by direct application of electrical or wave energy; by particle radiation
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/22Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Earth Drilling (AREA)
  • Adornments (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
GB08521740A 1984-09-13 1985-09-02 Drill rod Expired GB2164358B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22647/84A IT1176705B (en) 1984-09-13 1984-09-13 PROCEDURE PERFECTED FOR SURFACE HARDENING OF THE JOINTS OF THE DRILLING AUCTIONS AND AUCTIONS SO OBTAINED

Publications (3)

Publication Number Publication Date
GB8521740D0 GB8521740D0 (en) 1985-10-09
GB2164358A GB2164358A (en) 1986-03-19
GB2164358B true GB2164358B (en) 1988-08-03

Family

ID=11198819

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08521740A Expired GB2164358B (en) 1984-09-13 1985-09-02 Drill rod

Country Status (15)

Country Link
JP (1) JPS6179725A (en)
AU (1) AU576383B2 (en)
BE (1) BE903227A (en)
BR (1) BR8504550A (en)
CA (1) CA1253054A (en)
DE (1) DE3532451A1 (en)
DK (1) DK413185A (en)
ES (1) ES8609491A1 (en)
FR (1) FR2570084A1 (en)
GB (1) GB2164358B (en)
IT (1) IT1176705B (en)
NL (1) NL8502505A (en)
NO (1) NO853543L (en)
NZ (1) NZ213327A (en)
PT (1) PT81120B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE450151B (en) * 1985-11-21 1987-06-09 Ffv Transmission Ab DEVICE WITH CONTROLLED FRICTION AND PROCEDURE TO RECEIVE CONTROL FRICTION BY SUCH A DEVICE
US4708752A (en) * 1986-03-24 1987-11-24 Smith International, Inc. Process for laser hardening drilling bit cones having hard cutter inserts placed therein
CA2038378C (en) * 1991-03-25 1998-08-18 Irvin Joseph Laporte (Bud) Stabilized drill tube
GB2257163B (en) * 1991-07-02 1995-04-05 Res & Dev Min Def Gov In A process for improving fatigue crack growth resistance
WO1999035366A1 (en) * 1998-01-05 1999-07-15 Weatherford U.S., L.P A drill pipe and method of forming and reconditioning a drill pipe
WO2005001234A1 (en) * 2003-06-30 2005-01-06 Todd Andrew Haines Sub-assembly for drill strings
DE102007044696A1 (en) * 2007-06-29 2009-01-08 Ks Kolbenschmidt Gmbh Melt-treated bowl rim of a piston combustion bowl
JP4790767B2 (en) * 2008-07-16 2011-10-12 川崎重工業株式会社 Swash plate type hydraulic rotating machine
SE535814C2 (en) 2011-05-20 2013-01-02 Atlas Copco Secoroc Ab Threading device, threaded joint and drill string component for striking rock drilling
FR3015546B1 (en) 2013-12-20 2015-12-25 Vallourec Drilling Products France DRILL LINING ELEMENT HAVING AN IMPROVED REFILL LAYER
CN106761460A (en) * 2017-03-15 2017-05-31 吉林大学 Graphene shaped wear-resistant belt of drill pipe joint prepared by a kind of laser melting coating

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE920135C (en) * 1951-06-22 1954-11-15 Rheinische Roehrenwerke Ag Process for the production of wear-resistant linkage pipe connectors and sleeves for oil field pipes
US3489620A (en) * 1967-03-01 1970-01-13 United States Steel Corp Method of processing sucker rods and resulting article
DE1783058A1 (en) * 1968-09-26 1971-02-18 Gerd Hoeptner Process for hardening cutting and chipping tools with higher cutting edge hardness
GB1496377A (en) * 1974-11-26 1977-12-30 Nippon Steel Corp Method of heat-treatment of welded pipe and apparatus therefor
CA1063439A (en) * 1976-09-28 1979-10-02 Torrington Company (The) Textile element and method of making same
DE3343783C1 (en) * 1983-12-03 1984-07-05 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Process for the production of wear-resistant cylinder running surfaces of internal combustion engines

Also Published As

Publication number Publication date
BR8504550A (en) 1986-07-15
DK413185A (en) 1986-03-14
DE3532451C2 (en) 1987-10-22
NZ213327A (en) 1987-05-29
ES8609491A1 (en) 1986-09-01
FR2570084A1 (en) 1986-03-14
BE903227A (en) 1986-03-12
ES547703A0 (en) 1986-09-01
PT81120B (en) 1992-05-29
AU4690685A (en) 1986-03-20
NO853543L (en) 1986-03-14
JPS6179725A (en) 1986-04-23
CA1253054A (en) 1989-04-25
PT81120A (en) 1985-10-01
AU576383B2 (en) 1988-08-25
NL8502505A (en) 1986-04-01
GB2164358A (en) 1986-03-19
DE3532451A1 (en) 1986-03-20
IT1176705B (en) 1987-08-18
DK413185D0 (en) 1985-09-11
IT8422647A0 (en) 1984-09-13
GB8521740D0 (en) 1985-10-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee