AU4522501A - Drill rod having selectively hardened sections - Google Patents

Drill rod having selectively hardened sections

Info

Publication number
AU4522501A
AU4522501A AU45225/01A AU4522501A AU4522501A AU 4522501 A AU4522501 A AU 4522501A AU 45225/01 A AU45225/01 A AU 45225/01A AU 4522501 A AU4522501 A AU 4522501A AU 4522501 A AU4522501 A AU 4522501A
Authority
AU
Australia
Prior art keywords
drill rod
selectively hardened
hardened sections
sections
selectively
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.)
Abandoned
Application number
AU45225/01A
Inventor
Stuart A. Connell
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand 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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of AU4522501A publication Critical patent/AU4522501A/en
Abandoned legal-status Critical Current

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • 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
    • 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
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/01—End parts (e.g. leading, trailing end)
    • 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
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Earth Drilling (AREA)
AU45225/01A 1999-12-10 2000-12-08 Drill rod having selectively hardened sections Abandoned AU4522501A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17016999P 1999-12-10 1999-12-10
US60170169 1999-12-10
PCT/US2000/042723 WO2001042615A2 (en) 1999-12-10 2000-12-08 Drill rod

Publications (1)

Publication Number Publication Date
AU4522501A true AU4522501A (en) 2001-06-18

Family

ID=22618837

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45225/01A Abandoned AU4522501A (en) 1999-12-10 2000-12-08 Drill rod having selectively hardened sections

Country Status (2)

Country Link
AU (1) AU4522501A (en)
WO (1) WO2001042615A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE524322C2 (en) 2002-09-24 2004-07-27 Sandvik Ab Drill rod and method of manufacturing this
SE525664C2 (en) * 2003-05-16 2005-03-29 Atlas Copco Secoroc Ab Joint bar and method of making it
AU2013205904B2 (en) * 2012-05-17 2017-12-07 Woodstock Percussion Pty Ltd Full Strength Threaded Bar
CN103132924A (en) * 2013-01-30 2013-06-05 陈伟琛 Petroleum drilling tool for surface hardening
PL2845993T3 (en) * 2013-09-09 2018-07-31 Sandvik Intellectual Property Ab Energy transmission efficient percussive drill string coupling
CN107190129A (en) * 2017-06-09 2017-09-22 贵州高峰石油机械股份有限公司 A kind of Technology for Heating Processing of the solid drill steel of structural alloy steel
CN110052794A (en) * 2019-06-05 2019-07-26 刘艺纯 The manufacturing method of bit shank
CN110170801A (en) * 2019-06-05 2019-08-27 刘艺纯 Impact the manufacturing method of screw thread drill steel
CN111975296B (en) * 2020-08-11 2022-03-18 杭州锐健医疗股份有限公司 Machining method of drill guide with eccentric teeth in knee joint operation
CN112756910B (en) * 2020-12-25 2022-03-15 中煤科工集团西安研究院有限公司 Winding device and method for welding type multi-head spiral drill rod

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484122A (en) * 1968-01-12 1969-12-16 Herman J Schellstede Drill pipe protector and method of constructing the same
US3784238A (en) * 1971-05-17 1974-01-08 Smith International Intermediate drill stem
US3773359A (en) * 1971-06-24 1973-11-20 Smith International Intermediate drill stem
US4509777A (en) * 1982-11-01 1985-04-09 Dril-Quip Inc. Weld-on casing connector
SE506178C2 (en) * 1996-01-22 1997-11-17 Sandvik Ab Friction welded product for rock drilling as well as process for manufacturing the product
SE507440C2 (en) * 1996-06-20 1998-06-08 Sandvik Ab Friction welded drill rod and method of manufacturing the drill rod
US5988301A (en) * 1997-06-20 1999-11-23 Sandvik Ab Drill rod and method for its manufacture

Also Published As

Publication number Publication date
WO2001042615A2 (en) 2001-06-14
WO2001042615A3 (en) 2002-01-24

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase