IT8948622A0 - Tubo di getto d'acqua per aste di trivellazione a getto - Google Patents

Tubo di getto d'acqua per aste di trivellazione a getto

Info

Publication number
IT8948622A0
IT8948622A0 IT48622A IT4862289A IT8948622A0 IT 8948622 A0 IT8948622 A0 IT 8948622A0 IT 48622 A IT48622 A IT 48622A IT 4862289 A IT4862289 A IT 4862289A IT 8948622 A0 IT8948622 A0 IT 8948622A0
Authority
IT
Italy
Prior art keywords
rodes
water jet
jet pipe
jetting drill
jetting
Prior art date
Application number
IT48622A
Other languages
English (en)
Other versions
IT1237228B (it
Inventor
Ernst Hoffmann
Original Assignee
Schmidt & Co Gmbh Kranz
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 Schmidt & Co Gmbh Kranz filed Critical Schmidt & Co Gmbh Kranz
Publication of IT8948622A0 publication Critical patent/IT8948622A0/it
Application granted granted Critical
Publication of IT1237228B publication Critical patent/IT1237228B/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
    • E21B17/0465—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 characterised by radially inserted locking elements
    • 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
    • E21B17/22—Rods or pipes with helical structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Pipe Accessories (AREA)
  • Earth Drilling (AREA)
  • Cleaning In General (AREA)
IT04862289A 1988-12-15 1989-12-01 Tubo di getto d'acqua per aste di trivellazione a getto. IT1237228B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3842141 1988-12-15
DE3844225A DE3844225C1 (it) 1988-12-15 1988-12-29

Publications (2)

Publication Number Publication Date
IT8948622A0 true IT8948622A0 (it) 1989-12-01
IT1237228B IT1237228B (it) 1993-05-27

Family

ID=25875151

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04862289A IT1237228B (it) 1988-12-15 1989-12-01 Tubo di getto d'acqua per aste di trivellazione a getto.

Country Status (6)

Country Link
JP (1) JPH02204593A (it)
DE (1) DE3844225C1 (it)
ES (1) ES2017435A6 (it)
FR (1) FR2640679A1 (it)
GB (1) GB2226379A (it)
IT (1) IT1237228B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2264256A (en) * 1992-02-20 1993-08-25 Julian Dunbar Mcconnell Couplings for joining tubular members
ITBO20010551A1 (it) * 2001-09-14 2003-03-14 I M T S P A Asta di trivellazione ad innesto automatico
CN106185205B (zh) * 2016-08-31 2018-02-27 山东东山古城煤矿有限公司 一种螺旋钻杆及其生产方法
CN106639916A (zh) * 2017-02-21 2017-05-10 石家庄博安煤矿机械制造有限公司 一种钻杆及其钻杆连接栓止退装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1236443B (de) * 1963-06-18 1967-03-16 Schmidt Drehbohr- bzw. Spuelgestaenge fuer Gesteinsbohrarbeiten
US3564508A (en) * 1968-04-18 1971-02-16 Numo Trans Data Corp Storage and retrieval system
DE2829938A1 (de) * 1978-07-07 1980-01-24 Mauz & Pfeiffer Progress Steckverbindung
DE8906005U1 (it) * 1989-05-13 1989-07-27 Schmidt, Kranz & Co Gmbh Zweigniederlassung Zorge, 3421 Zorge, De

Also Published As

Publication number Publication date
FR2640679A1 (fr) 1990-06-22
DE3844225C1 (it) 1990-04-12
ES2017435A6 (es) 1991-02-01
JPH02204593A (ja) 1990-08-14
GB2226379A (en) 1990-06-27
IT1237228B (it) 1993-05-27
GB8928219D0 (en) 1990-02-14

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931110