NL7402875A - - Google Patents

Info

Publication number
NL7402875A
NL7402875A NL7402875A NL7402875A NL7402875A NL 7402875 A NL7402875 A NL 7402875A NL 7402875 A NL7402875 A NL 7402875A NL 7402875 A NL7402875 A NL 7402875A NL 7402875 A NL7402875 A NL 7402875A
Authority
NL
Netherlands
Application number
NL7402875A
Other versions
NL177035C (en
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 filed Critical
Publication of NL7402875A publication Critical patent/NL7402875A/xx
Application granted granted Critical
Publication of NL177035C publication Critical patent/NL177035C/en

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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/0209—Seam welding; Backing means; Inserts of non-horizontal seams in assembling non-horizontal plates
    • 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
    • E21B10/08—Roller bits
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Plasma & Fusion (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
NLAANVRAGE7402875,A 1973-03-05 1974-03-04 ROTARY CHISEL FOR HYDRAULIC DRILLING OF HOLES IN UNDERGROUND FORMATIONS. NL177035C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1053073A GB1469524A (en) 1973-03-05 1973-03-05 Rotary bit for hydraulically drilling holes into underground formations

Publications (2)

Publication Number Publication Date
NL7402875A true NL7402875A (en) 1974-09-09
NL177035C NL177035C (en) 1985-07-16

Family

ID=9969533

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7402875,A NL177035C (en) 1973-03-05 1974-03-04 ROTARY CHISEL FOR HYDRAULIC DRILLING OF HOLES IN UNDERGROUND FORMATIONS.

Country Status (7)

Country Link
JP (1) JPS5721637B2 (en)
CA (1) CA994321A (en)
DE (1) DE2410217C2 (en)
FR (1) FR2220663B1 (en)
GB (1) GB1469524A (en)
NL (1) NL177035C (en)
NO (1) NO140640C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098363A (en) * 1977-04-25 1978-07-04 Christensen, Inc. Diamond drilling bit for soft and medium hard formations
DE9401528U1 (en) * 1994-01-26 1994-05-19 Gartec Geo- Und Umwelttechnik Gmbh, 03253 Doberlug-Kirchhain Drill bits for the production of pilot holes for drillings and the like.
CN109372431B (en) * 2018-11-07 2024-07-05 广州海洋地质调查局 Jet drill bit capable of continuously deflecting

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1086535A (en) * 1963-09-24 1967-10-11 Gulf Research Development Co Improvements in or relating to the drilling of deep boreholes in the earth
US3384192A (en) * 1965-12-27 1968-05-21 Gulf Research Development Co Hydraulic jet bit
US3402780A (en) * 1965-12-27 1968-09-24 Gulf Research Development Co Hydraulic jet drilling method
US3548960A (en) * 1969-07-10 1970-12-22 Gulf Research Development Co Drill bit having rotating stand-off elements

Also Published As

Publication number Publication date
DE2410217A1 (en) 1974-09-12
NL177035C (en) 1985-07-16
FR2220663B1 (en) 1978-06-16
GB1469524A (en) 1977-04-06
CA994321A (en) 1976-08-03
NO140640C (en) 1979-10-10
DE2410217C2 (en) 1983-11-17
NO140640B (en) 1979-07-02
FR2220663A1 (en) 1974-10-04
JPS49118602A (en) 1974-11-13
NO740734L (en) 1974-09-06
JPS5721637B2 (en) 1982-05-08

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BATV A request for search has been withdrawn
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee