GB8726475D0 - Drilling equipment - Google Patents

Drilling equipment

Info

Publication number
GB8726475D0
GB8726475D0 GB878726475A GB8726475A GB8726475D0 GB 8726475 D0 GB8726475 D0 GB 8726475D0 GB 878726475 A GB878726475 A GB 878726475A GB 8726475 A GB8726475 A GB 8726475A GB 8726475 D0 GB8726475 D0 GB 8726475D0
Authority
GB
United Kingdom
Prior art keywords
drilling equipment
drilling
equipment
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.)
Granted
Application number
GB878726475A
Other versions
GB2212091B (en
GB2212091A (en
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 Ltd
Original Assignee
Boart Hardmetals Europe Ltd
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 Hardmetals Europe Ltd filed Critical Boart Hardmetals Europe Ltd
Priority to GB8726475A priority Critical patent/GB2212091B/en
Publication of GB8726475D0 publication Critical patent/GB8726475D0/en
Priority to SE8804042A priority patent/SE506499C2/en
Priority to CA000582819A priority patent/CA1328448C/en
Publication of GB2212091A publication Critical patent/GB2212091A/en
Application granted granted Critical
Publication of GB2212091B publication Critical patent/GB2212091B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B17/22—Rods or pipes with helical structure

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)
GB8726475A 1987-11-12 1987-11-12 Drilling equipment Expired - Lifetime GB2212091B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8726475A GB2212091B (en) 1987-11-12 1987-11-12 Drilling equipment
SE8804042A SE506499C2 (en) 1987-11-12 1988-11-09 Drill for drilling long straight holes in mountains with impact drilling technology
CA000582819A CA1328448C (en) 1987-11-12 1988-11-10 Drilling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8726475A GB2212091B (en) 1987-11-12 1987-11-12 Drilling equipment

Publications (3)

Publication Number Publication Date
GB8726475D0 true GB8726475D0 (en) 1987-12-16
GB2212091A GB2212091A (en) 1989-07-19
GB2212091B GB2212091B (en) 1992-01-22

Family

ID=10626825

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8726475A Expired - Lifetime GB2212091B (en) 1987-11-12 1987-11-12 Drilling equipment

Country Status (3)

Country Link
CA (1) CA1328448C (en)
GB (1) GB2212091B (en)
SE (1) SE506499C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104863525A (en) * 2015-06-10 2015-08-26 马妮 Deep-hole spiral pile hammer

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4028261A1 (en) * 1990-08-06 1992-02-13 Fischer Artur Werke Gmbh DRILLS FOR PRODUCING CYLINDRICAL DRILL HOLES
DE4236553A1 (en) * 1992-10-29 1994-05-05 Hawera Probst Kg Hartmetall Rock drill
US5722496A (en) * 1996-03-19 1998-03-03 Ingersoll-Rand Company Removable guide member for guiding drill string components in a drill hole
EP1273396B1 (en) 2001-07-06 2009-12-30 Robert Bosch Gmbh Chisel resp. drill bit
WO2008097843A2 (en) * 2007-02-02 2008-08-14 Halliburton Energy Services, Inc. Rotary drill bit steerable system and method
US9784038B2 (en) 2013-06-17 2017-10-10 Longyear Tm, Inc. High-productivity drill bits
CN103775010B (en) * 2014-01-22 2016-03-23 西南石油大学 A kind of horizontal segment gas drilling hole cleaning instrument
CN104018787B (en) * 2014-05-27 2016-09-07 南通巨升非晶科技有限公司 Helicoid hydraulic motor for oil exploitation
CN104389523B (en) * 2014-09-18 2016-04-06 平顶山市安泰华矿用安全设备制造有限公司 A kind of drilling equipment
PL3617439T3 (en) * 2018-08-30 2021-12-06 Sandvik Mining And Construction Tools Ab Drill bit with curved sludge grooves
EP3690181A1 (en) * 2019-01-30 2020-08-05 Sandvik Mining and Construction Tools AB Guide adapter with wear inserts
CN112431561B (en) * 2020-11-03 2023-12-19 河南理工大学 Small-aperture downward drilling slag discharging drilling tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB776028A (en) * 1955-02-15 1957-05-29 John M Perkins & Smith Ltd Drill bits
GB822029A (en) * 1956-03-15 1959-10-21 Coal Industry Patents Ltd Improvements in or relating to scroll-type drilling tools
DE1255395B (en) * 1965-07-19 1967-11-30 Dibotec A G Self-drilling anchor
US3970158A (en) * 1975-04-28 1976-07-20 Hughes Tool Company Tooth loading for earth boring bits
GB2067440A (en) * 1979-12-31 1981-07-30 Huang Tien Tsai Combined screw tap and drill
GB2075409A (en) * 1980-05-09 1981-11-18 Vnii Tugoplavkikh Drills

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104863525A (en) * 2015-06-10 2015-08-26 马妮 Deep-hole spiral pile hammer

Also Published As

Publication number Publication date
GB2212091B (en) 1992-01-22
GB2212091A (en) 1989-07-19
SE506499C2 (en) 1997-12-22
CA1328448C (en) 1994-04-12
SE8804042L (en) 1989-05-13
SE8804042D0 (en) 1988-11-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061112