FI870444A0 - Haolborr. - Google Patents

Haolborr.

Info

Publication number
FI870444A0
FI870444A0 FI870444A FI870444A FI870444A0 FI 870444 A0 FI870444 A0 FI 870444A0 FI 870444 A FI870444 A FI 870444A FI 870444 A FI870444 A FI 870444A FI 870444 A0 FI870444 A0 FI 870444A0
Authority
FI
Finland
Prior art keywords
haolborr
Prior art date
Application number
FI870444A
Other languages
English (en)
Other versions
FI870444A (fi
Inventor
David William Paul
David Stanley Williams
Original Assignee
Boart Int Ltd
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 Boart Int Ltd filed Critical Boart Int Ltd
Publication of FI870444A0 publication Critical patent/FI870444A0/fi
Publication of FI870444A publication Critical patent/FI870444A/fi

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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • 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
    • E21B17/1035—Wear protectors; Centralising devices, e.g. stabilisers for plural rods, pipes or lines, e.g. for control lines
    • 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
    • E21B17/18—Pipes provided with plural fluid passages
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/005—Below-ground automatic control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (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)
FI870444A 1986-02-03 1987-02-02 Haolborr. FI870444A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA86768 1986-02-03

Publications (2)

Publication Number Publication Date
FI870444A0 true FI870444A0 (fi) 1987-02-02
FI870444A FI870444A (fi) 1987-08-04

Family

ID=25578264

Family Applications (1)

Application Number Title Priority Date Filing Date
FI870444A FI870444A (fi) 1986-02-03 1987-02-02 Haolborr.

Country Status (4)

Country Link
EP (1) EP0233038A3 (fi)
AU (1) AU581800B2 (fi)
FI (1) FI870444A (fi)
NO (1) NO870405L (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3842081A1 (de) * 1988-03-15 1989-09-28 Hausherr & Soehne Rudolf Bohrgeraet
DE8809108U1 (fi) * 1988-07-15 1988-09-01 Schmidt, Paul, 5940 Lennestadt, De
FR2663978B1 (fr) * 1990-06-29 1995-12-15 Elf Aquitaine Tube de production avec ligne hydraulique integree.
US6308779B1 (en) * 1999-09-16 2001-10-30 Mcneilly A. Keith Hydraulically driven fishing jars
US8893827B2 (en) 2008-09-17 2014-11-25 Jfk Equipment Limited Drilling apparatus
CN102216552B (zh) 2008-09-17 2015-08-26 Jfk设备有限公司 钻孔装置
GB2520301A (en) * 2013-11-15 2015-05-20 Mincon Internat Filter drill rod adapted for cleaning
PE20180716A1 (es) * 2015-01-08 2018-04-26 Strada Design Ltd Sistema de perforacion multi fluidos
CN105625937B (zh) * 2016-03-08 2017-10-17 唐山玉联机电有限公司 一种页岩气专用冲击式液动锤钻井设备
WO2020039393A1 (en) * 2018-08-23 2020-02-27 Buehrmann Rudolph A percussion mechanism

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7408046L (fi) * 1973-06-25 1974-12-27 Joy Mfg Canada
US3978931A (en) * 1975-10-30 1976-09-07 Boris Vasilievich Sudnishnikov Air-operated drilling machine or rotary-percussive action
DE2733199A1 (de) * 1977-07-22 1979-02-01 Adolf Rotter Bohrvorrichtung zum einbringen von tiefbohrungen in erdreich, gestein u.dgl.
SE429149B (sv) * 1979-03-30 1983-08-15 Gote Ingemar Hansson Maskin for senkborrning i berg
DE3143943A1 (de) * 1981-10-29 1983-05-11 Christian Dipl.-Ing. 8900 Augsburg Strobel Rammbohrgeraet
US4518051A (en) * 1983-06-30 1985-05-21 Chevron Research Company Percussion actuated core sampler
DE3416514A1 (de) * 1984-05-04 1985-11-07 Otto 2000 Hamburg Frühling Rohrvortriebsmaschine nichtbegehbaren durchmessers
DE3416513A1 (de) * 1984-05-04 1985-11-07 Otto 2000 Hamburg Frühling Vortriebsmaschine fuer nichtbegehbare rohrleitungen

Also Published As

Publication number Publication date
AU6807387A (en) 1987-08-06
NO870405D0 (no) 1987-02-02
EP0233038A2 (en) 1987-08-19
FI870444A (fi) 1987-08-04
NO870405L (no) 1987-08-04
AU581800B2 (en) 1989-03-02
EP0233038A3 (en) 1988-11-23

Similar Documents

Publication Publication Date Title
ATE70057T1 (de) Antitumormittel.
DE3775679D1 (de) Vernebler.
DE3767169D1 (de) Sportschuh.
ATE57924T1 (de) 3-aryloxy-3-substituierte-propanamine.
DE3764043D1 (de) Alkylendiamine.
ATE63533T1 (de) Xylolisomerisierung.
DE3779761D1 (de) Abseilgeraet.
DE3785294D1 (de) Neigungsmesser.
DE3771918D1 (de) Chinolinamide.
DE3786679D1 (de) Schmitt-triggerschaltung.
DE3773636D1 (de) Saeurebeschleunigte hydrocarboxilierung.
DE3771271D1 (de) Fluorphthalimide.
FI860054A0 (fi) Motionsanordning.
DE3779382D1 (de) 3-6-diphenylpyridazine.
DE3763648D1 (de) Rollski.
FI860046A0 (fi) Foerlaengningsanordning foer traefaner.
DE3766410D1 (de) Methylalkylcyclosiloxane.
DE3669032D1 (de) Okulopressionsgeraet.
DE3770459D1 (de) 3-halogensuccinimide.
DE3764485D1 (de) Polyglycidylamine.
FI860072A (fi) Mataranordning foer en spannmaolstork.
DE3781179T2 (de) Acyl-coa-synthetase.
FI851776L (fi) Elkandelaber.
ATE63902T1 (de) 3-halogensuccinimide.
FI77957B (fi) Taendnings- och matarkoppling foer lyslampor.

Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: BOART INTERNATIONAL LIMITED