NL160358B - DRILLING CHISEL. - Google Patents

DRILLING CHISEL.

Info

Publication number
NL160358B
NL160358B NL7107605.A NL7107605A NL160358B NL 160358 B NL160358 B NL 160358B NL 7107605 A NL7107605 A NL 7107605A NL 160358 B NL160358 B NL 160358B
Authority
NL
Netherlands
Prior art keywords
drilling chisel
chisel
drilling
Prior art date
Application number
NL7107605.A
Other languages
Dutch (nl)
Other versions
NL7107605A (en
NL160358C (en
Original Assignee
Inst Francais Du Petrole
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 Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Publication of NL7107605A publication Critical patent/NL7107605A/xx
Publication of NL160358B publication Critical patent/NL160358B/en
Application granted granted Critical
Publication of NL160358C publication Critical patent/NL160358C/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
    • E21B10/00Drill bits
    • E21B10/60Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades

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)
NL7107605.A 1970-06-03 1971-06-03 DRILLING CHISEL. NL160358C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7020472A FR2092646B2 (en) 1970-06-03 1970-06-03

Publications (3)

Publication Number Publication Date
NL7107605A NL7107605A (en) 1971-12-07
NL160358B true NL160358B (en) 1979-05-15
NL160358C NL160358C (en) 1979-10-15

Family

ID=9056651

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7107605.A NL160358C (en) 1970-06-03 1971-06-03 DRILLING CHISEL.

Country Status (5)

Country Link
BE (1) BE767901R (en)
CA (1) CA940911A (en)
FR (1) FR2092646B2 (en)
GB (1) GB1356294A (en)
NL (1) NL160358C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434922A1 (en) * 1978-08-28 1980-03-28 Inst Francais Du Petrole DEVICE FOR REVERSE THE DIRECTION OF FLOW OF A FLUID AT A DRILLING TOOL
AUPN400195A0 (en) * 1995-07-06 1995-07-27 Aba-Sun Pty. Limited Drilling apparatus
CN101029560B (en) * 2007-03-27 2012-06-13 中国石油大学(华东) Wellbottom rock-fragment abrasive jet-flowing drilling tool

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2849214A (en) * 1954-09-02 1958-08-26 Gulf Research Development Co Borehole drilling apparatus for preventing lost circulation

Also Published As

Publication number Publication date
NL7107605A (en) 1971-12-07
DE2127661B2 (en) 1976-12-09
GB1356294A (en) 1974-06-12
FR2092646B2 (en) 1973-12-21
BE767901R (en) 1971-12-01
NL160358C (en) 1979-10-15
DE2127661A1 (en) 1971-12-30
FR2092646A2 (en) 1972-01-28
CA940911A (en) 1974-01-29

Similar Documents

Publication Publication Date Title
CH552432A (en) IMPACT DRILL.
NL175273C (en) ELECTRO-PNEUMATIC DRILL HAMMER.
NL175662C (en) GROUND DRILL CHISEL.
AT328352B (en) ROCK DRILLS
AT315053B (en) Hammer drill
CH551561A (en) IMPACT DRILL.
AT317803B (en) Electropneumatic hammer drill
AT330118B (en) ECCENTRIC DRILLING TOOL
AT315780B (en) Drilling unit
IT984530B (en) PERFECT DRILLING MECHANISM
CH517245A (en) Rock drill
NL156781B (en) DRILLING CHISEL.
CH546128A (en) IMPACT WRENCH.
NL170764C (en) DRILL.
IT990430B (en) HAMMER DRILL
NL149098B (en) CUTTING CHISEL.
CH554484A (en) DRILL BIT.
NL162586C (en) STONE DRILL.
CH553615A (en) TOOL.
CH520262A (en) Rock drill
CH517244A (en) Rock drill
NL160358C (en) DRILLING CHISEL.
SE393428B (en) IMPACT DRILLING DEVICE
BE770444A (en) DRILL RIVET
BE759591A (en) ONE RATE - SELF - ORDER,

Legal Events

Date Code Title Description
NZ80 Patents of addition are not granted since law of 1.1.78

Ref document number: 156781

Country of ref document: NL

Date of ref document: 19780919

Format of ref document f/p: P

V3 Additional patents lapsed at the same time as the main patent