IT1176705B - PROCEDURE PERFECTED FOR SURFACE HARDENING OF THE JOINTS OF THE DRILLING AUCTIONS AND AUCTIONS SO OBTAINED - Google Patents

PROCEDURE PERFECTED FOR SURFACE HARDENING OF THE JOINTS OF THE DRILLING AUCTIONS AND AUCTIONS SO OBTAINED

Info

Publication number
IT1176705B
IT1176705B IT22647/84A IT2264784A IT1176705B IT 1176705 B IT1176705 B IT 1176705B IT 22647/84 A IT22647/84 A IT 22647/84A IT 2264784 A IT2264784 A IT 2264784A IT 1176705 B IT1176705 B IT 1176705B
Authority
IT
Italy
Prior art keywords
auctions
drilling
joints
surface hardening
perfected
Prior art date
Application number
IT22647/84A
Other languages
Italian (it)
Other versions
IT8422647A0 (en
Inventor
Nicolangelo Signori
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 IT8422647A0 publication Critical patent/IT8422647A0/en
Priority to IT22647/84A priority Critical patent/IT1176705B/en
Priority to AU46906/85A priority patent/AU576383B2/en
Priority to NZ213327A priority patent/NZ213327A/en
Priority to GB08521740A priority patent/GB2164358B/en
Priority to CA000490381A priority patent/CA1253054A/en
Priority to NO853543A priority patent/NO853543L/en
Priority to DK413185A priority patent/DK413185A/en
Priority to FR8513461A priority patent/FR2570084A1/en
Priority to DE19853532451 priority patent/DE3532451A1/en
Priority to PT81120A priority patent/PT81120B/en
Priority to NL8502505A priority patent/NL8502505A/en
Priority to JP60200689A priority patent/JPS6179725A/en
Priority to BE0/215578A priority patent/BE903227A/en
Priority to ES547703A priority patent/ES8609491A1/en
Priority to BR8504550A priority patent/BR8504550A/en
Application granted granted Critical
Publication of IT1176705B publication Critical patent/IT1176705B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14—Heat 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/22—Heat 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)
  • Adornments (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Earth Drilling (AREA)
IT22647/84A 1984-09-13 1984-09-13 PROCEDURE PERFECTED FOR SURFACE HARDENING OF THE JOINTS OF THE DRILLING AUCTIONS AND AUCTIONS SO OBTAINED IT1176705B (en)

Priority Applications (15)

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
AU46906/85A AU576383B2 (en) 1984-09-13 1985-08-30 Surface hardening of drill rod couplings with a laser
NZ213327A NZ213327A (en) 1984-09-13 1985-09-02 Method for the surface hardening of drill rod couplings
GB08521740A GB2164358B (en) 1984-09-13 1985-09-02 Drill rod
CA000490381A CA1253054A (en) 1984-09-13 1985-09-10 Method for the surface hardening of drill rod couplings, and the rods thus obtained
DK413185A DK413185A (en) 1984-09-13 1985-09-11 PROCEDURES FOR SURFACE CURRENCY OF DRILL BAR CONNECTIONS
NO853543A NO853543L (en) 1984-09-13 1985-09-11 PROCEDURE FOR SURFACE CURRENCY OF THE CIRCUIT BANDS IN A CONNECTION BETWEEN PARTS OF A DRILL STRING.
FR8513461A FR2570084A1 (en) 1984-09-13 1985-09-11 METHOD OF SURFACE HARDENING OF RODS AND DRILL RODS THUS OBTAINED
DE19853532451 DE3532451A1 (en) 1984-09-13 1985-09-11 METHOD FOR SURFACING A HEADBAND OF A COUPLING PART WITH INTERNAL THREAD FOR STEEL DRILL RODS
PT81120A PT81120B (en) 1984-09-13 1985-09-12 APPROPRIATE PROCESS FOR THE SURFACE HARDNESS OF THE UNIONS OF THE DRILLING THREADS AND THEREFORE
NL8502505A NL8502505A (en) 1984-09-13 1985-09-12 METHOD FOR CURING THE SURFACE OF DRILL ROD COUPLINGS AND THEREFORE OBTAINED DRILL ROD COUPLINGS.
JP60200689A JPS6179725A (en) 1984-09-13 1985-09-12 Drill rod
BE0/215578A BE903227A (en) 1984-09-13 1985-09-12 METHOD OF SURFACE HARDENING OF RODS AND DRILL RODS THUS OBTAINED
ES547703A ES8609491A1 (en) 1984-09-13 1985-09-13 Method for the surface hardening of drill rod couplings
BR8504550A BR8504550A (en) 1984-09-13 1985-09-13 PERFECT PROCESS OF HARDENING JOINTS FOR THE DRILL DRILLS AND THE RESULTING DRILL ROD

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 (2)

Publication Number Publication Date
IT8422647A0 IT8422647A0 (en) 1984-09-13
IT1176705B true IT1176705B (en) 1987-08-18

Family

ID=11198819

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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
BE903227A (en) 1986-03-12
NZ213327A (en) 1987-05-29
PT81120A (en) 1985-10-01
ES547703A0 (en) 1986-09-01
DE3532451C2 (en) 1987-10-22
FR2570084A1 (en) 1986-03-14
CA1253054A (en) 1989-04-25
NL8502505A (en) 1986-04-01
AU4690685A (en) 1986-03-20
GB8521740D0 (en) 1985-10-09
AU576383B2 (en) 1988-08-25
NO853543L (en) 1986-03-14
GB2164358A (en) 1986-03-19
ES8609491A1 (en) 1986-09-01
GB2164358B (en) 1988-08-03
DE3532451A1 (en) 1986-03-20
DK413185A (en) 1986-03-14
BR8504550A (en) 1986-07-15
PT81120B (en) 1992-05-29
IT8422647A0 (en) 1984-09-13
JPS6179725A (en) 1986-04-23
DK413185D0 (en) 1985-09-11

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