ZA71514B - Large diameter bit with a replaceable stem - Google Patents

Large diameter bit with a replaceable stem

Info

Publication number
ZA71514B
ZA71514B ZA710514A ZA71514A ZA71514B ZA 71514 B ZA71514 B ZA 71514B ZA 710514 A ZA710514 A ZA 710514A ZA 71514 A ZA71514 A ZA 71514A ZA 71514 B ZA71514 B ZA 71514B
Authority
ZA
South Africa
Prior art keywords
large diameter
diameter bit
replaceable stem
replaceable
stem
Prior art date
Application number
ZA710514A
Other languages
English (en)
Inventor
C Lichte
Original Assignee
Dresser Ind
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 Ind filed Critical Dresser Ind
Publication of ZA71514B publication Critical patent/ZA71514B/xx

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
    • E21B10/10—Roller bits with roller axle supported at both ends
    • 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

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)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
ZA710514A 1970-02-04 1971-01-26 Large diameter bit with a replaceable stem ZA71514B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US858270A 1970-02-04 1970-02-04

Publications (1)

Publication Number Publication Date
ZA71514B true ZA71514B (en) 1971-11-24

Family

ID=21732428

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA710514A ZA71514B (en) 1970-02-04 1971-01-26 Large diameter bit with a replaceable stem

Country Status (7)

Country Link
US (1) US3659659A (enExample)
JP (1) JPS5227602B1 (enExample)
CA (1) CA943531A (enExample)
DE (1) DE2105899A1 (enExample)
FR (1) FR2079237B1 (enExample)
GB (1) GB1330415A (enExample)
ZA (1) ZA71514B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902562A (en) * 1974-01-02 1975-09-02 Hughes Tool Co Segmented earth boring drill bit
US3917009A (en) * 1974-09-16 1975-11-04 Dresser Ind Removable stem for raise bits
US4036313A (en) * 1975-07-03 1977-07-19 Smith International, Inc. Mounting for inboard cutters on a raise drill
US4049067A (en) * 1975-11-05 1977-09-20 Ingersoll-Rand Company Cutter mounting extension apparatus
CA1108119A (en) * 1978-10-06 1981-09-01 Gerald F. Wilemon Large diameter bit with bridge mounted drive stem
SE463110B (sv) * 1979-02-02 1990-10-08 Sandvik Ab Saett och anordning foer stigortsdrivning
US8622666B2 (en) * 2009-08-11 2014-01-07 Combined Producers Co. #1 Inc. Adjustable step drill bit
BE1019342A5 (nl) 2010-05-20 2012-06-05 Dispack Projects Nv Vat uit kunststof, werkwijze voor het vervaardigen daarvan, en ring voor een vat.
CN107310060B (zh) * 2017-08-23 2019-03-12 鲁东大学 一种水钻开孔支架

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1701427A (en) * 1927-02-23 1929-02-05 Bert Russell Rotary drilling and reaming tool organization
US2775439A (en) * 1951-03-21 1956-12-25 Timothy F Mccarthy Cutter head for driving crosscuts
DE1150035B (de) * 1956-04-16 1963-06-12 Nuesse & Graefer K G Maschf Verfahren zum Erweitern durchschlaegiger Bohrungen groesserer Durchmesser im Gestein
US2819040A (en) * 1956-07-13 1958-01-07 Eastman Oil Well Survey Co Deflecting tool
FR1312362A (fr) * 1962-01-25 1962-12-14 Dispositif de forage à rouleaux
US3231029A (en) * 1963-10-28 1966-01-25 Robbins & Assoc James S Articulated drilling shafts for raise drilling
US3285355A (en) * 1964-02-17 1966-11-15 Smith Ind International Inc Large diameter well-drilling bit

Also Published As

Publication number Publication date
GB1330415A (en) 1973-09-19
US3659659A (en) 1972-05-02
CA943531A (en) 1974-03-12
FR2079237B1 (enExample) 1975-02-21
JPS5227602B1 (enExample) 1977-07-21
FR2079237A1 (enExample) 1971-11-12
DE2105899A1 (de) 1971-08-12

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