GB1330415A - Bit for enlarging pilot holes in earth - Google Patents

Bit for enlarging pilot holes in earth

Info

Publication number
GB1330415A
GB1330415A GB2070071A GB2070071A GB1330415A GB 1330415 A GB1330415 A GB 1330415A GB 2070071 A GB2070071 A GB 2070071A GB 2070071 A GB2070071 A GB 2070071A GB 1330415 A GB1330415 A GB 1330415A
Authority
GB
United Kingdom
Prior art keywords
stem
bit
earth
enlarging
pilot hole
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
GB2070071A
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 GB1330415A publication Critical patent/GB1330415A/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
    • E21B10/10—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)
GB2070071A 1970-02-04 1971-04-19 Bit for enlarging pilot holes in earth Expired GB1330415A (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
GB1330415A true GB1330415A (en) 1973-09-19

Family

ID=21732428

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2070071A Expired GB1330415A (en) 1970-02-04 1971-04-19 Bit for enlarging pilot holes in earth

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107310060A (zh) * 2017-08-23 2017-11-03 鲁东大学 一种水钻开孔支架

Families Citing this family (8)

* 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.

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107310060A (zh) * 2017-08-23 2017-11-03 鲁东大学 一种水钻开孔支架
CN107310060B (zh) * 2017-08-23 2019-03-12 鲁东大学 一种水钻开孔支架

Also Published As

Publication number Publication date
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
ZA71514B (en) 1971-11-24

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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