FI19992647A - Porakruunu - Google Patents

Porakruunu

Info

Publication number
FI19992647A
FI19992647A FI992647A FI19992647A FI19992647A FI 19992647 A FI19992647 A FI 19992647A FI 992647 A FI992647 A FI 992647A FI 19992647 A FI19992647 A FI 19992647A FI 19992647 A FI19992647 A FI 19992647A
Authority
FI
Finland
Prior art keywords
drill
Prior art date
Application number
FI992647A
Other languages
English (en)
Swedish (sv)
Inventor
Teijo Hulkkonen
Original Assignee
Robit Rocktools Ltd Oy
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 Robit Rocktools Ltd Oy filed Critical Robit Rocktools Ltd Oy
Priority to FI992647A priority Critical patent/FI19992647A/fi
Priority to US09/731,200 priority patent/US20010003318A1/en
Priority to DE10060901A priority patent/DE10060901A1/de
Priority to AU72160/00A priority patent/AU7216000A/en
Priority to JP2000375779A priority patent/JP2001287220A/ja
Publication of FI19992647A publication Critical patent/FI19992647A/fi

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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1092—Gauge section of drill bits
    • 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
    • E21B10/003—Drill bits with cutting edges facing in opposite axial directions
    • 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
    • E21B10/56—Button-type inserts

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
FI992647A 1999-12-09 1999-12-09 Porakruunu FI19992647A (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI992647A FI19992647A (fi) 1999-12-09 1999-12-09 Porakruunu
US09/731,200 US20010003318A1 (en) 1999-12-09 2000-12-06 Drill bit
DE10060901A DE10060901A1 (de) 1999-12-09 2000-12-07 Bohrkrone
AU72160/00A AU7216000A (en) 1999-12-09 2000-12-08 Drill bit
JP2000375779A JP2001287220A (ja) 1999-12-09 2000-12-11 ドリルビット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI992647A FI19992647A (fi) 1999-12-09 1999-12-09 Porakruunu

Publications (1)

Publication Number Publication Date
FI19992647A true FI19992647A (fi) 2001-06-10

Family

ID=8555726

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992647A FI19992647A (fi) 1999-12-09 1999-12-09 Porakruunu

Country Status (5)

Country Link
US (1) US20010003318A1 (fi)
JP (1) JP2001287220A (fi)
AU (1) AU7216000A (fi)
DE (1) DE10060901A1 (fi)
FI (1) FI19992647A (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0201984L (sv) * 2002-06-26 2003-05-13 Sandvik Ab Bergborrkrona samt förfarande för dess tillverkning
US20090028280A1 (en) * 2006-03-01 2009-01-29 Matsushita Electric Industrial Co., Ltd Transmitter and transmitter/receiver
US20090184564A1 (en) * 2008-01-22 2009-07-23 The William J. Brady Loving Trust Pcd percussion drill bit
US10689910B2 (en) * 2016-06-30 2020-06-23 Schlumberger Technology Corporation Bi-directional drilling systems and methods
CN111219150B (zh) * 2018-11-26 2021-09-03 焦作市全安科技有限公司 钻割冲一体化钻头

Also Published As

Publication number Publication date
DE10060901A1 (de) 2001-06-13
JP2001287220A (ja) 2001-10-16
AU7216000A (en) 2001-06-14
US20010003318A1 (en) 2001-06-14

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