NO870405D0 - LOWER DRILL. - Google Patents

LOWER DRILL.

Info

Publication number
NO870405D0
NO870405D0 NO87870405A NO870405A NO870405D0 NO 870405 D0 NO870405 D0 NO 870405D0 NO 87870405 A NO87870405 A NO 87870405A NO 870405 A NO870405 A NO 870405A NO 870405 D0 NO870405 D0 NO 870405D0
Authority
NO
Norway
Prior art keywords
lower drill
drill
Prior art date
Application number
NO87870405A
Other languages
Norwegian (no)
Other versions
NO870405L (en
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 NO870405D0 publication Critical patent/NO870405D0/en
Publication of NO870405L publication Critical patent/NO870405L/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/06Down-hole impacting means, e.g. hammers
    • E21B4/14Fluid operated hammers
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1035Wear protectors; Centralising devices, e.g. stabilisers for plural rods, pipes or lines, e.g. for control lines
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/18Pipes provided with plural fluid passages
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12Methods 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/14Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/16Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00Automatic 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
    • E21B44/005Below-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)
NO87870405A 1986-02-03 1987-02-02 LOWER-DRILL. NO870405L (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NO870405D0 true NO870405D0 (en) 1987-02-02
NO870405L NO870405L (en) 1987-08-04

Family

ID=25578264

Family Applications (1)

Application Number Title Priority Date Filing Date
NO87870405A NO870405L (en) 1986-02-03 1987-02-02 LOWER-DRILL.

Country Status (4)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3842081A1 (en) * 1988-03-15 1989-09-28 Hausherr & Soehne Rudolf DRILLING DEVICE
DE8809108U1 (en) * 1988-07-15 1988-09-01 Schmidt, Paul, 5940 Lennestadt, De
FR2663978B1 (en) * 1990-06-29 1995-12-15 Elf Aquitaine PRODUCTION TUBE WITH INTEGRATED HYDRAULIC LINE.
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
CA2774457C (en) * 2008-09-17 2017-07-25 Jfk Equipment Limited Drilling apparatus
GB2520301A (en) * 2013-11-15 2015-05-20 Mincon Internat Filter drill rod adapted for cleaning
JP6777363B2 (en) 2015-01-08 2020-10-28 ストラーダ デザイン リミテッド Multi-fluid drilling system
CN105625937B (en) * 2016-03-08 2017-10-17 唐山玉联机电有限公司 A kind of special impact type Hydro-efflux Hammer drilling equipment of shale gas
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 (en) * 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 (en) * 1977-07-22 1979-02-01 Adolf Rotter Downhole tool for drill rigs - has self-contained power drive for rotation, percussion and thrust behind the drill bit
SE429149B (en) * 1979-03-30 1983-08-15 Gote Ingemar Hansson MACHINE FOR SINGLE DRILLING IN BERG
DE3143943A1 (en) * 1981-10-29 1983-05-11 Christian Dipl.-Ing. 8900 Augsburg Strobel Percussion drilling rig
US4518051A (en) * 1983-06-30 1985-05-21 Chevron Research Company Percussion actuated core sampler
DE3416514A1 (en) * 1984-05-04 1985-11-07 Otto 2000 Hamburg Frühling Pipe-driving machine of inaccessible diameter
DE3416513A1 (en) * 1984-05-04 1985-11-07 Otto 2000 Hamburg Frühling Driving machine for inaccessible pipelines

Also Published As

Publication number Publication date
AU6807387A (en) 1987-08-06
NO870405L (en) 1987-08-04
FI870444A0 (en) 1987-02-02
FI870444A (en) 1987-08-04
EP0233038A2 (en) 1987-08-19
AU581800B2 (en) 1989-03-02
EP0233038A3 (en) 1988-11-23

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