DE2920126A1 - Zentrier- und fuehrungsvorrichtung fuer bohrgestaenge zum erdbohren - Google Patents

Zentrier- und fuehrungsvorrichtung fuer bohrgestaenge zum erdbohren

Info

Publication number
DE2920126A1
DE2920126A1 DE19792920126 DE2920126A DE2920126A1 DE 2920126 A1 DE2920126 A1 DE 2920126A1 DE 19792920126 DE19792920126 DE 19792920126 DE 2920126 A DE2920126 A DE 2920126A DE 2920126 A1 DE2920126 A1 DE 2920126A1
Authority
DE
Germany
Prior art keywords
pressure
pressure medium
ing
centering
borehole
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.)
Withdrawn
Application number
DE19792920126
Other languages
German (de)
English (en)
Inventor
Hermann Brueggemann
Werner Mager
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.)
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen AG
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 Maschinen AG filed Critical Salzgitter Maschinen AG
Priority to DE19792920126 priority Critical patent/DE2920126A1/de
Priority to FR8008505A priority patent/FR2456832A1/fr
Priority to GB8012720A priority patent/GB2048340B/en
Priority to IT67639/80A priority patent/IT1130807B/it
Priority to IT8053156U priority patent/IT8053156V0/it
Priority to JP55065169A priority patent/JPS5837477B2/ja
Publication of DE2920126A1 publication Critical patent/DE2920126A1/de
Withdrawn legal-status Critical Current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
    • E21B17/10—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)
DE19792920126 1979-05-18 1979-05-18 Zentrier- und fuehrungsvorrichtung fuer bohrgestaenge zum erdbohren Withdrawn DE2920126A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19792920126 DE2920126A1 (de) 1979-05-18 1979-05-18 Zentrier- und fuehrungsvorrichtung fuer bohrgestaenge zum erdbohren
FR8008505A FR2456832A1 (fr) 1979-05-18 1980-04-16 Dispositif de centrage et de guidage pour le train de tiges d'un materiel de forage terrestre
GB8012720A GB2048340B (en) 1979-05-18 1980-04-17 Centring and guidance device for drilling rods
IT67639/80A IT1130807B (it) 1979-05-18 1980-04-23 Dispositivo di centraggio e di guida per le aste di dispositivi di trivellazione
IT8053156U IT8053156V0 (it) 1979-05-18 1980-04-23 Dispositivo di centraggio e di guida per le aste di dispositivi di trivellazione
JP55065169A JPS5837477B2 (ja) 1979-05-18 1980-05-16 ドリルロツド用心出し案内装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792920126 DE2920126A1 (de) 1979-05-18 1979-05-18 Zentrier- und fuehrungsvorrichtung fuer bohrgestaenge zum erdbohren

Publications (1)

Publication Number Publication Date
DE2920126A1 true DE2920126A1 (de) 1980-11-27

Family

ID=6071088

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792920126 Withdrawn DE2920126A1 (de) 1979-05-18 1979-05-18 Zentrier- und fuehrungsvorrichtung fuer bohrgestaenge zum erdbohren

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506745A (en) * 1981-10-22 1985-03-26 Bever Control A/S Method and means for drilling in rocks

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4463814A (en) * 1982-11-26 1984-08-07 Advanced Drilling Corporation Down-hole drilling apparatus
JPS60136195A (ja) * 1983-12-23 1985-07-19 松下電器産業株式会社 可撓性発熱体
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 (nl) * 1988-02-12 1989-10-31 Smet Marc Jozef Maria Inrichting voor het boren van een tunnel en werkwijze voor het ruimen van een met deze inrichting geboorde tunnel.
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 (no) * 2008-10-06 2013-04-08 Nat Oilwell Varco Norway As Sentreringsmekanisme for ror
FR3056264B1 (fr) * 2016-09-22 2020-05-22 Pcm Technologies Installation de pompage et procede d'installation d'une telle installation de pompage
CN109594934B (zh) * 2019-02-19 2020-05-12 延安大学 一种油杆扶正器

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 (fr) * 1949-06-11 1951-10-29 Frankignoul Pieux Armes Dispositif pour le forage de puits dans le sol
US2946578A (en) * 1952-08-04 1960-07-26 Smaele Albert De Excavator apparatus having stepper type advancing means
FR1247454A (fr) * 1959-10-22 1960-12-02 Dispositif pour le guidage d'un outil de forage
FR2052062A5 (it) * 1969-07-10 1971-04-09 Schlumberger Prospection
JPS4881301A (it) * 1972-01-29 1973-10-31
JPS48103602U (it) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506745A (en) * 1981-10-22 1985-03-26 Bever Control A/S Method and means for drilling in rocks

Also Published As

Publication number Publication date
FR2456832B1 (it) 1984-04-27
IT1130807B (it) 1986-06-18
IT8067639A0 (it) 1980-04-23
GB2048340A (en) 1980-12-10
GB2048340B (en) 1983-01-26
JPS55159094A (en) 1980-12-10
JPS5837477B2 (ja) 1983-08-16
FR2456832A1 (fr) 1980-12-12
IT8053156V0 (it) 1980-04-23

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee