GB1239074A - - Google Patents

Info

Publication number
GB1239074A
GB1239074A GB3308268A GB1239074DA GB1239074A GB 1239074 A GB1239074 A GB 1239074A GB 3308268 A GB3308268 A GB 3308268A GB 1239074D A GB1239074D A GB 1239074DA GB 1239074 A GB1239074 A GB 1239074A
Authority
GB
United Kingdom
Prior art keywords
cutter
bit
disc
zhelezobetonnykh
zavodskoi
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.)
Expired
Application number
GB3308268A
Other languages
English (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 GB1239074A publication Critical patent/GB1239074A/en
Expired legal-status Critical Current

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
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • 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
    • E21B10/12—Roller bits with discs cutters
    • 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
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
GB3308268A 1968-07-11 1968-07-11 Expired GB1239074A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3308268 1968-07-11

Publications (1)

Publication Number Publication Date
GB1239074A true GB1239074A (de) 1971-07-14

Family

ID=10348332

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3308268A Expired GB1239074A (de) 1968-07-11 1968-07-11

Country Status (1)

Country Link
GB (1) GB1239074A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084418A2 (de) * 1982-01-20 1983-07-27 Unicorn Industries Limited Bohrmeissel und Anwendungsmethode
EP0087283A1 (de) * 1982-02-20 1983-08-31 Unicorn Industries Plc Drehbohrmeissel
US8727043B2 (en) 2009-06-12 2014-05-20 Smith International, Inc. Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools
US9976353B2 (en) 2014-06-18 2018-05-22 Halliburton Energy Services, Inc. Rolling element assemblies
US10760342B2 (en) 2016-10-05 2020-09-01 Halliburton Energy Services, Inc. Rolling element assembly with a compliant retainer
US11015396B2 (en) 2016-06-17 2021-05-25 Halliburton Energy Services, Inc. Rolling element with half lock-wedge lock

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084418A2 (de) * 1982-01-20 1983-07-27 Unicorn Industries Limited Bohrmeissel und Anwendungsmethode
EP0084418A3 (de) * 1982-01-20 1983-08-10 Unicorn Industries Limited Bohrmeissel und Anwendungsmethode
EP0087283A1 (de) * 1982-02-20 1983-08-31 Unicorn Industries Plc Drehbohrmeissel
US8727043B2 (en) 2009-06-12 2014-05-20 Smith International, Inc. Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools
US9683410B2 (en) 2009-06-12 2017-06-20 Smith International, Inc. Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools
US9976353B2 (en) 2014-06-18 2018-05-22 Halliburton Energy Services, Inc. Rolling element assemblies
US10066439B2 (en) 2014-06-18 2018-09-04 Halliburton Energy Services, Inc. Rolling element assemblies
US11015396B2 (en) 2016-06-17 2021-05-25 Halliburton Energy Services, Inc. Rolling element with half lock-wedge lock
US11015395B2 (en) 2016-06-17 2021-05-25 Halliburton Energy Services, Inc. Rolling element with half lock
US10760342B2 (en) 2016-10-05 2020-09-01 Halliburton Energy Services, Inc. Rolling element assembly with a compliant retainer

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees