DE2862432D1 - Hydraulically-driven downhole drill - Google Patents

Hydraulically-driven downhole drill

Info

Publication number
DE2862432D1
DE2862432D1 DE7979900104T DE2862432T DE2862432D1 DE 2862432 D1 DE2862432 D1 DE 2862432D1 DE 7979900104 T DE7979900104 T DE 7979900104T DE 2862432 T DE2862432 T DE 2862432T DE 2862432 D1 DE2862432 D1 DE 2862432D1
Authority
DE
Germany
Prior art keywords
hydraulically
downhole drill
driven downhole
driven
drill
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.)
Expired
Application number
DE7979900104T
Other languages
German (de)
Inventor
Yoshikazu Mikami
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.)
Furukawa Kogyo Co Ltd
Original Assignee
Furukawa Kogyo Co 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 Furukawa Kogyo Co Ltd filed Critical Furukawa Kogyo Co Ltd
Application granted granted Critical
Publication of DE2862432D1 publication Critical patent/DE2862432D1/en
Expired 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
    • E21B17/18—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
    • E21B21/10—Valve arrangements in drilling-fluid 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
    • E21B21/12—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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
DE7979900104T 1978-12-15 1978-12-15 Hydraulically-driven downhole drill Expired DE2862432D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1978/000057 WO1980001300A1 (en) 1978-12-15 1978-12-15 Hydraulically-driven downhole drill

Publications (1)

Publication Number Publication Date
DE2862432D1 true DE2862432D1 (en) 1984-09-06

Family

ID=13649522

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979900104T Expired DE2862432D1 (en) 1978-12-15 1978-12-15 Hydraulically-driven downhole drill

Country Status (2)

Country Link
DE (1) DE2862432D1 (en)
WO (1) WO1980001300A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3818438B2 (en) 2001-12-14 2006-09-06 独立行政法人産業技術総合研究所 Downhole driven percussion drill
JP6293145B2 (en) 2012-08-02 2018-03-14 バード・ペリフェラル・バスキュラー・インコーポレーテッド Ultrasound catheter system
GB2518383A (en) * 2013-09-19 2015-03-25 Mincon Internat Ltd Drill rod for percussion drill tool

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51157501U (en) * 1975-06-09 1976-12-15
JPS5422724Y2 (en) * 1975-09-30 1979-08-07
JPS5252801U (en) * 1975-10-15 1977-04-15

Also Published As

Publication number Publication date
WO1980001300A1 (en) 1980-06-26

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee