GB1469260A - Rotary rock bit - Google Patents

Rotary rock bit

Info

Publication number
GB1469260A
GB1469260A GB4353974A GB4353974A GB1469260A GB 1469260 A GB1469260 A GB 1469260A GB 4353974 A GB4353974 A GB 4353974A GB 4353974 A GB4353974 A GB 4353974A GB 1469260 A GB1469260 A GB 1469260A
Authority
GB
United Kingdom
Prior art keywords
segments
bit
segment
welding
sizing
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
GB4353974A
Other languages
English (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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of GB1469260A publication Critical patent/GB1469260A/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
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB4353974A 1973-10-24 1974-10-08 Rotary rock bit Expired GB1469260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40920773A 1973-10-24 1973-10-24

Publications (1)

Publication Number Publication Date
GB1469260A true GB1469260A (en) 1977-04-06

Family

ID=23619494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4353974A Expired GB1469260A (en) 1973-10-24 1974-10-08 Rotary rock bit

Country Status (10)

Country Link
JP (1) JPS5938395B2 (es)
AR (1) AR209075A1 (es)
CA (1) CA1048488A (es)
DE (1) DE2449024C2 (es)
FR (1) FR2249236B1 (es)
GB (1) GB1469260A (es)
IT (1) IT1023084B (es)
NL (1) NL7413279A (es)
NO (1) NO143764C (es)
SE (1) SE410885B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414734A (en) * 1981-11-30 1983-11-15 Hughes Tool Company Triad for rock bit assembly
CN111673319B (zh) * 2020-05-22 2021-12-10 济南法瑞钠焊接器材股份有限公司 一种水钻钻头合金钢高频焊接器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831661A (en) * 1953-08-26 1958-04-22 Security Rock Bits Ltd Rock drilling bits

Also Published As

Publication number Publication date
FR2249236B1 (es) 1982-08-27
SE410885B (sv) 1979-11-12
NO143764C (no) 1981-04-08
JPS5073801A (es) 1975-06-18
FR2249236A1 (es) 1975-05-23
NO143764B (no) 1980-12-29
JPS5938395B2 (ja) 1984-09-17
NL7413279A (nl) 1975-04-28
DE2449024A1 (de) 1975-05-07
DE2449024C2 (de) 1984-06-28
AU7395774A (en) 1976-04-08
AR209075A1 (es) 1977-03-31
IT1023084B (it) 1978-05-10
CA1048488A (en) 1979-02-13
NO743809L (es) 1975-05-20
SE7413331L (es) 1975-04-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee