IT8844009A0 - Pacco aste telescopico di perforazione con cremagliere ad innesto automatico atte a trasmettere forze assiali in entrambe le direzioni econ elementi di bloccaggio di aste contigue - Google Patents

Pacco aste telescopico di perforazione con cremagliere ad innesto automatico atte a trasmettere forze assiali in entrambe le direzioni econ elementi di bloccaggio di aste contigue

Info

Publication number
IT8844009A0
IT8844009A0 IT8844009A IT4400988A IT8844009A0 IT 8844009 A0 IT8844009 A0 IT 8844009A0 IT 8844009 A IT8844009 A IT 8844009A IT 4400988 A IT4400988 A IT 4400988A IT 8844009 A0 IT8844009 A0 IT 8844009A0
Authority
IT
Italy
Prior art keywords
directions
drilling rod
locking elements
axial forces
automatic engagement
Prior art date
Application number
IT8844009A
Other languages
English (en)
Other versions
IT1220730B (it
Inventor
Accorroni Giulio
Original Assignee
Imt Srl
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 Imt Srl filed Critical Imt Srl
Priority to IT44009/88A priority Critical patent/IT1220730B/it
Publication of IT8844009A0 publication Critical patent/IT8844009A0/it
Priority to EP88830416A priority patent/EP0335059A1/en
Application granted granted Critical
Publication of IT1220730B publication Critical patent/IT1220730B/it

Links

Classifications

    • 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
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • 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
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
IT44009/88A 1988-03-25 1988-03-25 Pacco aste telescopico di perforazione con cremagliere ad innesto automatico atte a trasmettere forze assiali in entrambe le direzioni e con elementi di bloccaggio di aste contigue IT1220730B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT44009/88A IT1220730B (it) 1988-03-25 1988-03-25 Pacco aste telescopico di perforazione con cremagliere ad innesto automatico atte a trasmettere forze assiali in entrambe le direzioni e con elementi di bloccaggio di aste contigue
EP88830416A EP0335059A1 (en) 1988-03-25 1988-10-12 Set of telescopic boring rods with automatic coupling racks designed to transmit axial forces in both directions and with blocking elements of contiguous rods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT44009/88A IT1220730B (it) 1988-03-25 1988-03-25 Pacco aste telescopico di perforazione con cremagliere ad innesto automatico atte a trasmettere forze assiali in entrambe le direzioni e con elementi di bloccaggio di aste contigue

Publications (2)

Publication Number Publication Date
IT8844009A0 true IT8844009A0 (it) 1988-03-25
IT1220730B IT1220730B (it) 1990-06-21

Family

ID=11255510

Family Applications (1)

Application Number Title Priority Date Filing Date
IT44009/88A IT1220730B (it) 1988-03-25 1988-03-25 Pacco aste telescopico di perforazione con cremagliere ad innesto automatico atte a trasmettere forze assiali in entrambe le direzioni e con elementi di bloccaggio di aste contigue

Country Status (2)

Country Link
EP (1) EP0335059A1 (it)
IT (1) IT1220730B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8816167U1 (de) * 1988-12-30 1989-02-23 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz Bohrgestänge
GB2242920B (en) * 1990-04-09 1994-07-06 Trevi Telescopic bar of a drilling rig
DE20301946U1 (de) * 2003-02-07 2004-06-09 Bauer Maschinen Gmbh Teleskopierbares Bohrgestänge
ITAN20110097A1 (it) 2011-07-14 2013-01-15 I M T Internat S P A Testa di azionamento per aste telescopiche di perforazione e macchina operatrice comprendente detta testa.
CN108994536B (zh) * 2018-07-26 2019-09-20 天津鸿翔工程机械有限公司 一种机锁式钻杆的加工方法
DE102018133369A1 (de) * 2018-12-21 2020-06-25 Imk Engineering Gmbh Bohrvorrichtung und Bohrverfahren
CN110439482A (zh) * 2019-09-04 2019-11-12 上海中联重科桩工机械有限公司 旋挖钻机钻杆

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255612A (en) * 1964-02-13 1966-06-14 Gardner Denver Co Telescoping drilling device
US3447652A (en) * 1968-03-13 1969-06-03 Gardner Denver Co Telescoping drilling device
DE2057101C2 (de) * 1970-11-20 1974-03-07 Wirth Co Kg Masch Bohr Teleskop-Bohrgestänge
DE8714200U1 (de) * 1987-10-24 1988-03-10 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Kellystange für ein Erdbohrgerät

Also Published As

Publication number Publication date
IT1220730B (it) 1990-06-21
EP0335059A1 (en) 1989-10-04

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