CS251601B1 - In oposite direction periodically revolving casing - Google Patents

In oposite direction periodically revolving casing Download PDF

Info

Publication number
CS251601B1
CS251601B1 CS305778A CS305778A CS251601B1 CS 251601 B1 CS251601 B1 CS 251601B1 CS 305778 A CS305778 A CS 305778A CS 305778 A CS305778 A CS 305778A CS 251601 B1 CS251601 B1 CS 251601B1
Authority
CS
Czechoslovakia
Prior art keywords
casing
tube
holes
beams
connection
Prior art date
Application number
CS305778A
Other languages
Czech (cs)
English (en)
Inventor
Harald Luederitz
Horst Schneider
Original Assignee
Harald Luederitz
Horst Schneider
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 Harald Luederitz, Horst Schneider filed Critical Harald Luederitz
Publication of CS251601B1 publication Critical patent/CS251601B1/cs

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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool

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)
  • Excavating Of Shafts Or Tunnels (AREA)
CS305778A 1977-06-02 1978-05-12 In oposite direction periodically revolving casing CS251601B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19925177A DD142490A3 (de) 1977-06-02 1977-06-02 Vorrichtung zum wechselweise entgegengesetzten drehen von verrohrungen

Publications (1)

Publication Number Publication Date
CS251601B1 true CS251601B1 (en) 1987-07-16

Family

ID=5508579

Family Applications (1)

Application Number Title Priority Date Filing Date
CS305778A CS251601B1 (en) 1977-06-02 1978-05-12 In oposite direction periodically revolving casing

Country Status (5)

Country Link
CS (1) CS251601B1 (de)
DD (1) DD142490A3 (de)
DE (1) DE2817875C2 (de)
FR (1) FR2393114A1 (de)
HU (1) HU179406B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6796390B1 (en) 1999-09-21 2004-09-28 Shell Oil Company Method and device for moving a tube in a borehole in the ground
US7461705B2 (en) * 2006-05-05 2008-12-09 Varco I/P, Inc. Directional drilling control

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932662C (de) * 1942-06-02 1955-09-05 Pierre Jean Marie Theod Allard Vorrichtung zum maschinellen Eintreiben von Bohrrohren

Also Published As

Publication number Publication date
HU179406B (en) 1982-10-28
DE2817875A1 (de) 1978-12-14
FR2393114B3 (de) 1981-02-20
FR2393114A1 (fr) 1978-12-29
DD142490A3 (de) 1980-07-02
DE2817875C2 (de) 1986-08-21

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