IT1130807B - CENTERING AND GUIDE DEVICE FOR AUCTIONS OF DRILLING DEVICES - Google Patents

CENTERING AND GUIDE DEVICE FOR AUCTIONS OF DRILLING DEVICES

Info

Publication number
IT1130807B
IT1130807B IT67639/80A IT6763980A IT1130807B IT 1130807 B IT1130807 B IT 1130807B IT 67639/80 A IT67639/80 A IT 67639/80A IT 6763980 A IT6763980 A IT 6763980A IT 1130807 B IT1130807 B IT 1130807B
Authority
IT
Italy
Prior art keywords
auctions
centering
guide device
drilling devices
drilling
Prior art date
Application number
IT67639/80A
Other languages
Italian (it)
Other versions
IT8067639A0 (en
Inventor
Werner Mager
Hermann Bruggemann
Original Assignee
Salzgitter Masch & Anlagen
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 Salzgitter Masch & Anlagen filed Critical Salzgitter Masch & Anlagen
Publication of IT8067639A0 publication Critical patent/IT8067639A0/en
Application granted granted Critical
Publication of IT1130807B publication Critical patent/IT1130807B/en

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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/062—Deflecting the direction of boreholes the tool shaft rotating inside a non-rotating guide travelling with the shaft

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)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Drilling And Boring (AREA)
IT67639/80A 1979-05-18 1980-04-23 CENTERING AND GUIDE DEVICE FOR AUCTIONS OF DRILLING DEVICES IT1130807B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792920126 DE2920126A1 (en) 1979-05-18 1979-05-18 CENTERING AND GUIDE DEVICE FOR DRILL RODS FOR GROUND DRILLING

Publications (2)

Publication Number Publication Date
IT8067639A0 IT8067639A0 (en) 1980-04-23
IT1130807B true IT1130807B (en) 1986-06-18

Family

ID=6071088

Family Applications (2)

Application Number Title Priority Date Filing Date
IT8053156U IT8053156V0 (en) 1979-05-18 1980-04-23 CENTERING AND GUIDE DEVICE FOR AUCTIONS OF DRILLING DEVICES
IT67639/80A IT1130807B (en) 1979-05-18 1980-04-23 CENTERING AND GUIDE DEVICE FOR AUCTIONS OF DRILLING DEVICES

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT8053156U IT8053156V0 (en) 1979-05-18 1980-04-23 CENTERING AND GUIDE DEVICE FOR AUCTIONS OF DRILLING DEVICES

Country Status (5)

Country Link
JP (1) JPS5837477B2 (en)
DE (1) DE2920126A1 (en)
FR (1) FR2456832A1 (en)
GB (1) GB2048340B (en)
IT (2) IT8053156V0 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO152762C (en) * 1981-10-22 1985-11-13 Bever Control As PROCEDURE FOR DRILLING IN THE MOUNTAIN AND DEVICE FOR IMPLEMENTING THE PROCEDURE.
US4463814A (en) * 1982-11-26 1984-08-07 Advanced Drilling Corporation Down-hole drilling apparatus
JPS60136195A (en) * 1983-12-23 1985-07-19 松下電器産業株式会社 Flexible heat generator
GB2177738B (en) * 1985-07-13 1988-08-03 Cambridge Radiation Tech Control of drilling courses in the drilling of bore holes
GB2204895B (en) * 1987-05-21 1991-11-27 Stephen Francis Lloyd Drill pipe tubing and casing protectors
BE1001450A3 (en) * 1988-02-12 1989-10-31 Smet Marc Jozef Maria Tunnelling machine with jet nozzle - has remote-controlled units on head selectively varying body shape
GB9321257D0 (en) * 1993-10-14 1993-12-01 Rototec Limited Drill pipe tubing and casing protectors
GB0712345D0 (en) * 2007-06-26 2007-08-01 Metcalfe Paul D Downhole apparatus
NO333200B1 (en) * 2008-10-06 2013-04-08 Nat Oilwell Varco Norway As Centering mechanism for rudder
FR3056264B1 (en) * 2016-09-22 2020-05-22 Pcm Technologies PUMPING SYSTEM AND METHOD FOR INSTALLING SUCH A PUMPING SYSTEM
CN109594934B (en) * 2019-02-19 2020-05-12 延安大学 Oil rod centralizer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2352412A (en) * 1939-08-28 1944-06-27 Sandstone Harvey David Casing protector and booster
FR993207A (en) * 1949-06-11 1951-10-29 Frankignoul Pieux Armes Device for drilling wells in the ground
US2946578A (en) * 1952-08-04 1960-07-26 Smaele Albert De Excavator apparatus having stepper type advancing means
FR1247454A (en) * 1959-10-22 1960-12-02 Device for guiding a drilling tool
FR2052062A5 (en) * 1969-07-10 1971-04-09 Schlumberger Prospection
JPS4881301A (en) * 1972-01-29 1973-10-31
JPS48103602U (en) * 1972-03-09 1973-12-04
US3995479A (en) * 1974-11-01 1976-12-07 Schlumberger Technology Corporation Apparatus for protecting downhole instruments from torsional and lateral movements
US4095655A (en) * 1975-10-14 1978-06-20 Still William L Earth penetration

Also Published As

Publication number Publication date
GB2048340B (en) 1983-01-26
IT8053156V0 (en) 1980-04-23
GB2048340A (en) 1980-12-10
DE2920126A1 (en) 1980-11-27
IT8067639A0 (en) 1980-04-23
FR2456832A1 (en) 1980-12-12
JPS55159094A (en) 1980-12-10
FR2456832B1 (en) 1984-04-27
JPS5837477B2 (en) 1983-08-16

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