ZA975509B - Method for measurement of the air flow in rock drill bits as well as measurement means for accomplishing said method. - Google Patents

Method for measurement of the air flow in rock drill bits as well as measurement means for accomplishing said method.

Info

Publication number
ZA975509B
ZA975509B ZA9705509A ZA975509A ZA975509B ZA 975509 B ZA975509 B ZA 975509B ZA 9705509 A ZA9705509 A ZA 9705509A ZA 975509 A ZA975509 A ZA 975509A ZA 975509 B ZA975509 B ZA 975509B
Authority
ZA
South Africa
Prior art keywords
measurement
accomplishing
well
air flow
drill bits
Prior art date
Application number
ZA9705509A
Other languages
English (en)
Inventor
Michael Mattsson
Original Assignee
Sandvik Ab
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 Sandvik Ab filed Critical Sandvik Ab
Publication of ZA975509B publication Critical patent/ZA975509B/xx

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous 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
    • E21B10/08—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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure

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)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
ZA9705509A 1996-06-27 1997-06-20 Method for measurement of the air flow in rock drill bits as well as measurement means for accomplishing said method. ZA975509B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9602544A SE508331C2 (sv) 1996-06-27 1996-06-27 Förfarande för bestämning av luftflödet i bergborrkronor samt mätdon för genomförande av förfarandet

Publications (1)

Publication Number Publication Date
ZA975509B true ZA975509B (en) 1998-01-23

Family

ID=20403184

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9705509A ZA975509B (en) 1996-06-27 1997-06-20 Method for measurement of the air flow in rock drill bits as well as measurement means for accomplishing said method.

Country Status (6)

Country Link
US (1) US5934388A (sv)
JP (1) JP2001502022A (sv)
AU (1) AU714040B2 (sv)
SE (1) SE508331C2 (sv)
WO (1) WO1997049890A1 (sv)
ZA (1) ZA975509B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112015013743B1 (pt) 2012-12-14 2020-06-02 Epiroc Drilling Tools Llc Broca de perfuração perfuradora de sondagem resfriada por ar

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754818A (en) * 1986-08-26 1988-07-05 Wood Roy W Method of measuring drill bit fluid flow
US4901761A (en) * 1988-10-06 1990-02-20 Taylor William T Closure apparatus with pressure test device

Also Published As

Publication number Publication date
WO1997049890A1 (en) 1997-12-31
JP2001502022A (ja) 2001-02-13
AU714040B2 (en) 1999-12-16
AU3366097A (en) 1998-01-14
SE9602544L (sv) 1997-12-28
US5934388A (en) 1999-08-10
SE508331C2 (sv) 1998-09-28
SE9602544D0 (sv) 1996-06-27

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