CA1092092A - Earth boring drill bit with snap ring cutter retention - Google Patents

Earth boring drill bit with snap ring cutter retention

Info

Publication number
CA1092092A
CA1092092A CA304,646A CA304646A CA1092092A CA 1092092 A CA1092092 A CA 1092092A CA 304646 A CA304646 A CA 304646A CA 1092092 A CA1092092 A CA 1092092A
Authority
CA
Canada
Prior art keywords
cutter
ring
groove
retainer
inward
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
CA304,646A
Other languages
English (en)
French (fr)
Inventor
Leroy W. Ledgerwood, Iii
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.)
Hughes Tool Co
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
Application granted granted Critical
Publication of CA1092092A publication Critical patent/CA1092092A/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
    • E21B10/22—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)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
CA304,646A 1977-10-28 1978-06-02 Earth boring drill bit with snap ring cutter retention Expired CA1092092A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84664377A 1977-10-28 1977-10-28
US846,643 1977-10-28

Publications (1)

Publication Number Publication Date
CA1092092A true CA1092092A (en) 1980-12-23

Family

ID=25298514

Family Applications (1)

Application Number Title Priority Date Filing Date
CA304,646A Expired CA1092092A (en) 1977-10-28 1978-06-02 Earth boring drill bit with snap ring cutter retention

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
FR2407332A1 (fr) 1979-05-25
BR7804925A (pt) 1979-05-29
JPS5471703A (en) 1979-06-08
NL7809269A (nl) 1979-05-02
JPS6128077B2 (enrdf_load_stackoverflow) 1986-06-28
GB1599378A (en) 1981-09-30
MX148614A (es) 1983-05-18

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Legal Events

Date Code Title Description
MKEX Expiry