DE8902528U1 - Bohrgestänge - Google Patents

Bohrgestänge

Info

Publication number
DE8902528U1
DE8902528U1 DE8902528U DE8902528U DE8902528U1 DE 8902528 U1 DE8902528 U1 DE 8902528U1 DE 8902528 U DE8902528 U DE 8902528U DE 8902528 U DE8902528 U DE 8902528U DE 8902528 U1 DE8902528 U1 DE 8902528U1
Authority
DE
Germany
Prior art keywords
strips
rod
wear
drill rod
pieces
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.)
Expired
Application number
DE8902528U
Other languages
German (de)
English (en)
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.)
Mhwirth GmbH
Original Assignee
Wirth Maschinen und Bohrgeraete Fabrik GmbH
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 Wirth Maschinen und Bohrgeraete Fabrik GmbH filed Critical Wirth Maschinen und Bohrgeraete Fabrik GmbH
Priority to DE8902528U priority Critical patent/DE8902528U1/de
Publication of DE8902528U1 publication Critical patent/DE8902528U1/de
Expired legal-status Critical Current

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
    • E21B17/07—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)
DE8902528U 1989-03-03 1989-03-03 Bohrgestänge Expired DE8902528U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8902528U DE8902528U1 (de) 1989-03-03 1989-03-03 Bohrgestänge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8902528U DE8902528U1 (de) 1989-03-03 1989-03-03 Bohrgestänge

Publications (1)

Publication Number Publication Date
DE8902528U1 true DE8902528U1 (de) 1989-04-20

Family

ID=6836619

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8902528U Expired DE8902528U1 (de) 1989-03-03 1989-03-03 Bohrgestänge

Country Status (1)

Country Link
DE (1) DE8902528U1 (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0461311A2 (en) * 1990-06-12 1991-12-18 Hitachi Construction Machinery Co., Ltd. Cylindrical telescopic kelly-bar apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0461311A2 (en) * 1990-06-12 1991-12-18 Hitachi Construction Machinery Co., Ltd. Cylindrical telescopic kelly-bar apparatus
EP0461311A3 (en) * 1990-06-12 1992-07-08 Hitachi Construction Machinery Co., Ltd. Cylindrical telescopic kelly-bar apparatus
US5263899A (en) * 1990-06-12 1993-11-23 Hitachi Construction Machinery Co., Ltd. Cylindrical telescopic kelly-bar apparatus
EP0798444A1 (en) * 1990-06-12 1997-10-01 Hitachi Construction Machinery Co., Ltd. Cylindrical telescopic kelly-bar apparatus

Similar Documents

Publication Publication Date Title
DE2804778B2 (de) Teleskopantriebswelle
DE102014007458A1 (de) Schubkette
DE102008013227B4 (de) Verfahren zum Herstellen einer Verbindung eines Getriebebauteils
EP0376239A2 (de) Bohrgestänge
DE8902528U1 (de) Bohrgestänge
DE19836389C1 (de) Bohrvorrichtung mit Doppelschlagsystem
DE2746726C2 (no)
DE3244858A1 (de) Markierungsstange
DE925268C (de) Zahnstange, vorzugsweise fuer Kraftfahrzeuglenkung
EP0133241B1 (de) Schubkolbenantrieb
DE2056381A1 (de) Werkzeug oder Arbeitsgeratschaft, ins besondere fur die Gesteins oder Tiefbohrtech
DE102016116095A1 (de) Rahmenteil für ein Fahrzeug
DE3328552C2 (no)
DE1902042A1 (de) Wandernder Strebausbau fuer untertaegige Grubenbetriebe
DE2901574C2 (no)
DE3444105C2 (de) Wasserzuführungsrohr für Käfiganlagen für Geflügelzuchtbetriebe
DE3241233A1 (de) Antriebsaggregat fuer druckmittelantriebe
DE4114014C2 (no)
AT339231B (de) Schwerstange fur ein bohrgestange
DE3617592C2 (de) Führung für Pumpengestänge
DE2126314B2 (de) Hydraulischer doppelstuetzstempel fuer den bergbau
DE3139573A1 (de) Die verlaengerung von bohrgestaengen erleichterndes zusatzgeraet
DE1170349B (de) Verrohrungseinrichtung
DE9315940U1 (de) Tretlagerwelle für Fahrräder
DD141047A1 (de) Rollende gestaengefuehrung oder anbohreinrichtung fuer lafettenbohrgeraete