BR7804925A - Dispositivo aperfeicoado de retencao de elemento cortante em combinacao com um trepano perfuratriz - Google Patents

Dispositivo aperfeicoado de retencao de elemento cortante em combinacao com um trepano perfuratriz

Info

Publication number
BR7804925A
BR7804925A BR7804925A BR7804925A BR7804925A BR 7804925 A BR7804925 A BR 7804925A BR 7804925 A BR7804925 A BR 7804925A BR 7804925 A BR7804925 A BR 7804925A BR 7804925 A BR7804925 A BR 7804925A
Authority
BR
Brazil
Prior art keywords
tapan
drilling
combination
cutting element
element retention
Prior art date
Application number
BR7804925A
Other languages
English (en)
Portuguese (pt)
Inventor
L Ledgerwood
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of BR7804925A publication Critical patent/BR7804925A/pt

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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00—Assembling bearings
    • F16C43/02—Assembling sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (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)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
BR7804925A 1977-10-28 1978-07-31 Dispositivo aperfeicoado de retencao de elemento cortante em combinacao com um trepano perfuratriz BR7804925A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84664377A 1977-10-28 1977-10-28

Publications (1)

Publication Number Publication Date
BR7804925A true BR7804925A (pt) 1979-05-29

Family

ID=25298514

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7804925A BR7804925A (pt) 1977-10-28 1978-07-31 Dispositivo aperfeicoado de retencao de elemento cortante em combinacao com um trepano perfuratriz

Country Status (7)

Country Link
JP (1) JPS5471703A (enrdf_load_stackoverflow)
BR (1) BR7804925A (enrdf_load_stackoverflow)
CA (1) CA1092092A (enrdf_load_stackoverflow)
FR (1) FR2407332A1 (enrdf_load_stackoverflow)
GB (1) GB1599378A (enrdf_load_stackoverflow)
MX (1) MX148614A (enrdf_load_stackoverflow)
NL (1) NL7809269A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837625C1 (enrdf_load_stackoverflow) * 1988-11-05 1989-11-02 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US4978147A (en) * 1990-04-27 1990-12-18 Vetco Gray Inc. Elastomeric lockdown and shearout device
CN103939023B (zh) * 2014-04-30 2017-02-15 天津立林钻头有限公司 牙轮钻头、安装牙轮钻头挡圈的工装及挡圈的安装方法

Also Published As

Publication number Publication date
JPS5471703A (en) 1979-06-08
NL7809269A (nl) 1979-05-02
JPS6128077B2 (enrdf_load_stackoverflow) 1986-06-28
MX148614A (es) 1983-05-18
FR2407332A1 (fr) 1979-05-25
GB1599378A (en) 1981-09-30
CA1092092A (en) 1980-12-23

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