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FR2581417B1 - ROTATING PERFORATION HEAD FOR BORING AND / OR ROCK PERFORATION - Google Patents

ROTATING PERFORATION HEAD FOR BORING AND / OR ROCK PERFORATION

Info

Publication number
FR2581417B1
FR2581417B1 FR868604159A FR8604159A FR2581417B1 FR 2581417 B1 FR2581417 B1 FR 2581417B1 FR 868604159 A FR868604159 A FR 868604159A FR 8604159 A FR8604159 A FR 8604159A FR 2581417 B1 FR2581417 B1 FR 2581417B1
Authority
FR
France
Prior art keywords
perforation
boring
rock
rotating
head
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 - Lifetime
Application number
FR868604159A
Other languages
French (fr)
Other versions
FR2581417A1 (en
Inventor
Walter Thies
Fritz Schafer
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.)
Boart Longyear GmbH and Co KG
Original Assignee
Boart HWF GmbH and Co KG Hartmetallwerkzeugfabrik
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 HWF GmbH and Co KG Hartmetallwerkzeugfabrik filed Critical Boart HWF GmbH and Co KG Hartmetallwerkzeugfabrik
Publication of FR2581417A1 publication Critical patent/FR2581417A1/en
Application granted granted Critical
Publication of FR2581417B1 publication Critical patent/FR2581417B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • 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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
FR868604159A 1985-05-04 1986-03-24 ROTATING PERFORATION HEAD FOR BORING AND / OR ROCK PERFORATION Expired - Lifetime FR2581417B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3516032A DE3516032C1 (en) 1985-05-04 1985-05-04 Rotary drilling head for earth and / or rock drilling

Publications (2)

Publication Number Publication Date
FR2581417A1 FR2581417A1 (en) 1986-11-07
FR2581417B1 true FR2581417B1 (en) 1990-02-02

Family

ID=6269808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868604159A Expired - Lifetime FR2581417B1 (en) 1985-05-04 1986-03-24 ROTATING PERFORATION HEAD FOR BORING AND / OR ROCK PERFORATION

Country Status (3)

Country Link
DE (1) DE3516032C1 (en)
FR (1) FR2581417B1 (en)
GB (1) GB2174739B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1388490A (en) * 1920-09-18 1921-08-23 John R Suman Rotary earth-boring drill
FR1065878A (en) * 1952-11-04 1954-05-31 Cutting device for perforating hammer drills
US3322218A (en) * 1965-05-04 1967-05-30 Exxon Production Research Co Multi-port diamond bit
GB1548499A (en) * 1977-05-17 1979-07-18 Shell Int Research Rotary drilling bit for deephole drilling and method of manufacturing the same
US4303136A (en) * 1979-05-04 1981-12-01 Smith International, Inc. Fluid passage formed by diamond insert studs for drag bits
GB2087949B (en) * 1980-11-24 1984-11-14 Padley & Venables Ltd Cutting tools
GB2114627B (en) * 1982-02-09 1985-05-01 Padley And Venables Limited Mineral mining apparatus provided with dust suppressing means

Also Published As

Publication number Publication date
GB2174739B (en) 1988-06-15
GB2174739A (en) 1986-11-12
DE3516032C1 (en) 1986-05-07
GB8609328D0 (en) 1986-05-21
FR2581417A1 (en) 1986-11-07

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Legal Events

Date Code Title Description
ST Notification of lapse