BR8504550A - PERFECT PROCESS OF HARDENING JOINTS FOR THE DRILL DRILLS AND THE RESULTING DRILL ROD - Google Patents

PERFECT PROCESS OF HARDENING JOINTS FOR THE DRILL DRILLS AND THE RESULTING DRILL ROD

Info

Publication number
BR8504550A
BR8504550A BR8504550A BR8504550A BR8504550A BR 8504550 A BR8504550 A BR 8504550A BR 8504550 A BR8504550 A BR 8504550A BR 8504550 A BR8504550 A BR 8504550A BR 8504550 A BR8504550 A BR 8504550A
Authority
BR
Brazil
Prior art keywords
drill
hardening
joints
resulting
drills
Prior art date
Application number
BR8504550A
Other languages
Portuguese (pt)
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 BR8504550A publication Critical patent/BR8504550A/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)
  • Earth Drilling (AREA)
  • Adornments (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
BR8504550A 1984-09-13 1985-09-13 PERFECT PROCESS OF HARDENING JOINTS FOR THE DRILL DRILLS AND THE RESULTING DRILL ROD BR8504550A (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 (1)

Publication Number Publication Date
BR8504550A true BR8504550A (en) 1986-07-15

Family

ID=11198819

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8504550A BR8504550A (en) 1984-09-13 1985-09-13 PERFECT PROCESS OF HARDENING JOINTS FOR THE DRILL DRILLS AND THE RESULTING 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
DE69938712D1 (en) * 1998-01-05 2008-06-26 Weatherford U S DRILLING RODS AND METHOD FOR PROVIDING AND RESTORING DRILLING RINGS
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
JPS6179725A (en) 1986-04-23
IT8422647A0 (en) 1984-09-13
NL8502505A (en) 1986-04-01
NZ213327A (en) 1987-05-29
AU4690685A (en) 1986-03-20
NO853543L (en) 1986-03-14
BE903227A (en) 1986-03-12
DE3532451C2 (en) 1987-10-22
DK413185D0 (en) 1985-09-11
GB8521740D0 (en) 1985-10-09
GB2164358B (en) 1988-08-03
DE3532451A1 (en) 1986-03-20
GB2164358A (en) 1986-03-19
IT1176705B (en) 1987-08-18
DK413185A (en) 1986-03-14
ES8609491A1 (en) 1986-09-01
CA1253054A (en) 1989-04-25
PT81120A (en) 1985-10-01
AU576383B2 (en) 1988-08-25
ES547703A0 (en) 1986-09-01
PT81120B (en) 1992-05-29
FR2570084A1 (en) 1986-03-14

Similar Documents

Publication Publication Date Title
DE3561962D1 (en) Drilling rod joint, especially for traversing the zones of lost circulation
BR8502674A (en) DOUBLE CONICITY SLIDING STABILIZER FOR DRILLING TOOL
BR8607010A (en) AUXILIARY POS-WASH COMPOSITION AND PROCESS FOR THE PRODUCTION OF POS-WASH AUXILIARY
ES287723Y (en) SCREW SLEEVE
BR8705494A (en) DRILL ROD FOR DRILLS
BR8800521A (en) COMBINED TOOL FOR DRILLING AND THREADING AND PROCESS FOR DRILLING AND THREADING
BR8007060A (en) APPARATUS AND PROCESS TO POSITION AND ATTACH A TOOL COLUMN AT LEAST ONE POSITION WITHIN A DRILLING DRILL
NO175164C (en) Drill bit with improved circulation
BR9005398A (en) STABILIZER INVOLVING FOR POCO DRILLING TOOL
BR8701335A (en) WELDING PROCESS
BR8504550A (en) PERFECT PROCESS OF HARDENING JOINTS FOR THE DRILL DRILLS AND THE RESULTING DRILL ROD
BR8904592A (en) PLASTOELASTOMERIC POLYOLEFINIC COMPOSITIONS AND PROCESS FOR THE PREPARATION OF THE SAME
PT80956B (en) METHOD FOR THE PREPARATION OF 1,4-DIHYDRO-HYDROPYRIDINES
ES493450A0 (en) IMPROVEMENTS IN THE MANUFACTURE OF DRILL BITS FOR DEEP DRILLS
BR8504643A (en) PROCESS FOR SEALING STRUCTURES
BR8507281A (en) PROCESS AND COMPOSITIONS FOR HYDRAULIC FRACTURE
BR8505941A (en) PROCESS FOR THE PREPARATION OF MODIFIED ORGANIC POLYISOCIANATES, POLYISOCIANATES AND APPLICATION
ES295913Y (en) PARTICULAR SCREW FOR HYDRAULIC OR PNEUMATIC CONNECTION JOINTS.
BR8404469A (en) HERBICIDAL COMPOSITIONS, APPLICATION AND PROCESS FOR THE PREPARATION OF COMPOSITIONS
PT80336B (en) METHOD FOR THE PREPARATION OF IMINOTIAZOLIDINE DERIVATIVES
DK161118C (en) Drills
ES540173A0 (en) PROCEDURE FOR THE OBTAINING OF NEW 1,3,2-DIOXABORINE-NOS
PT81365B (en) METHOD FOR THE PREPARATION OF NEW 6-FENETHYLAMINOALQUIL-FURO- (3,4-C) -IRIDINE DERIVATIVES
BR8503222A (en) PROCESS FOR THE PREPARATION OF IMIDAZO-PIRROLO-PIRIDINE DERIVATIVES, HERBICIDIC COMPOSITIONS, APPLICATION AND PROCESS FOR THE PREPARATION OF COMPOSITIONS
BR8505146A (en) PROCESS FOR THE PREPARATION OF ZSM-23 ZEOLITE