DK413185A - Fremgangsmaade til overfladehaerdning af borestangskoblinger - Google Patents
Fremgangsmaade til overfladehaerdning af borestangskoblinger Download PDFInfo
- Publication number
- DK413185A DK413185A DK413185A DK413185A DK413185A DK 413185 A DK413185 A DK 413185A DK 413185 A DK413185 A DK 413185A DK 413185 A DK413185 A DK 413185A DK 413185 A DK413185 A DK 413185A
- Authority
- DK
- Denmark
- Prior art keywords
- currency
- procedures
- drill bar
- bar connections
- connections
- Prior art date
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT22647/84A IT1176705B (it) | 1984-09-13 | 1984-09-13 | Procedimento perfezionato per l'indurimento superficiale dei giunti delle aste di perforazione e aste cosi' ottenute |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK413185D0 DK413185D0 (da) | 1985-09-11 |
| DK413185A true DK413185A (da) | 1986-03-14 |
Family
ID=11198819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK413185A DK413185A (da) | 1984-09-13 | 1985-09-11 | Fremgangsmaade til overfladehaerdning af borestangskoblinger |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS6179725A (es) |
| AU (1) | AU576383B2 (es) |
| BE (1) | BE903227A (es) |
| BR (1) | BR8504550A (es) |
| CA (1) | CA1253054A (es) |
| DE (1) | DE3532451A1 (es) |
| DK (1) | DK413185A (es) |
| ES (1) | ES8609491A1 (es) |
| FR (1) | FR2570084A1 (es) |
| GB (1) | GB2164358B (es) |
| IT (1) | IT1176705B (es) |
| NL (1) | NL8502505A (es) |
| NO (1) | NO853543L (es) |
| NZ (1) | NZ213327A (es) |
| PT (1) | PT81120B (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE450151B (sv) * | 1985-11-21 | 1987-06-09 | Ffv Transmission Ab | Anordning med kontrollerad friktion samt forfarande for att erhalla kontrollerad friktion vid en sadan anordning |
| 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 |
| US6557654B1 (en) | 1998-01-05 | 2003-05-06 | Weatherford/Lamb, Inc. | Drill pipe having a journal formed thereon |
| WO2005001234A1 (en) * | 2003-06-30 | 2005-01-06 | Todd Andrew Haines | Sub-assembly for drill strings |
| DE102007044696A1 (de) * | 2007-06-29 | 2009-01-08 | Ks Kolbenschmidt Gmbh | Schmelzbehandelter Muldenrand einer Kolben-Brennraummulde |
| JP4790767B2 (ja) * | 2008-07-16 | 2011-10-12 | 川崎重工業株式会社 | 斜板式液圧回転機 |
| SE535814C2 (sv) | 2011-05-20 | 2013-01-02 | Atlas Copco Secoroc Ab | Gänganordning, gängförband samt borrsträngskomponent för slående bergborrning |
| FR3015546B1 (fr) | 2013-12-20 | 2015-12-25 | Vallourec Drilling Products France | Element de garniture de forage dote d'une couche de rechargement amelioree |
| CN106761460A (zh) * | 2017-03-15 | 2017-05-31 | 吉林大学 | 一种激光熔覆制备的石墨烯钻杆接头耐磨带 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE920135C (de) * | 1951-06-22 | 1954-11-15 | Rheinische Roehrenwerke Ag | Verfahren zur Herstellung verschleissfester Gestaengerohr-Vervinder und Muffen fuer OElfeldrohre |
| US3489620A (en) * | 1967-03-01 | 1970-01-13 | United States Steel Corp | Method of processing sucker rods and resulting article |
| DE1783058A1 (de) * | 1968-09-26 | 1971-02-18 | Gerd Hoeptner | Verfahren zum Haerten von Schneid- und Zerspanungswerkzeugen hoeherer Schneidenhaerte |
| 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 (de) * | 1983-12-03 | 1984-07-05 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg | Verfahren zur Herstellung verschleissfester Zylinderlaufflaechen von Brennkraftmaschinen |
-
1984
- 1984-09-13 IT IT22647/84A patent/IT1176705B/it active
-
1985
- 1985-08-30 AU AU46906/85A patent/AU576383B2/en not_active Ceased
- 1985-09-02 NZ NZ213327A patent/NZ213327A/en unknown
- 1985-09-02 GB GB08521740A patent/GB2164358B/en not_active Expired
- 1985-09-10 CA CA000490381A patent/CA1253054A/en not_active Expired
- 1985-09-11 NO NO853543A patent/NO853543L/no unknown
- 1985-09-11 DK DK413185A patent/DK413185A/da not_active Application Discontinuation
- 1985-09-11 DE DE19853532451 patent/DE3532451A1/de active Granted
- 1985-09-11 FR FR8513461A patent/FR2570084A1/fr not_active Withdrawn
- 1985-09-12 PT PT81120A patent/PT81120B/pt not_active IP Right Cessation
- 1985-09-12 BE BE0/215578A patent/BE903227A/fr not_active IP Right Cessation
- 1985-09-12 NL NL8502505A patent/NL8502505A/nl not_active Application Discontinuation
- 1985-09-12 JP JP60200689A patent/JPS6179725A/ja active Pending
- 1985-09-13 ES ES547703A patent/ES8609491A1/es not_active Expired
- 1985-09-13 BR BR8504550A patent/BR8504550A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL8502505A (nl) | 1986-04-01 |
| AU4690685A (en) | 1986-03-20 |
| DK413185D0 (da) | 1985-09-11 |
| GB2164358B (en) | 1988-08-03 |
| IT1176705B (it) | 1987-08-18 |
| DE3532451A1 (de) | 1986-03-20 |
| FR2570084A1 (fr) | 1986-03-14 |
| GB8521740D0 (en) | 1985-10-09 |
| CA1253054A (en) | 1989-04-25 |
| DE3532451C2 (es) | 1987-10-22 |
| GB2164358A (en) | 1986-03-19 |
| JPS6179725A (ja) | 1986-04-23 |
| AU576383B2 (en) | 1988-08-25 |
| IT8422647A0 (it) | 1984-09-13 |
| ES547703A0 (es) | 1986-09-01 |
| NZ213327A (en) | 1987-05-29 |
| PT81120B (pt) | 1992-05-29 |
| NO853543L (no) | 1986-03-14 |
| BR8504550A (pt) | 1986-07-15 |
| PT81120A (en) | 1985-10-01 |
| BE903227A (fr) | 1986-03-12 |
| ES8609491A1 (es) | 1986-09-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |