FI782652A - STIGORTSMASKIN - Google Patents

STIGORTSMASKIN

Info

Publication number
FI782652A
FI782652A FI782652A FI782652A FI782652A FI 782652 A FI782652 A FI 782652A FI 782652 A FI782652 A FI 782652A FI 782652 A FI782652 A FI 782652A FI 782652 A FI782652 A FI 782652A
Authority
FI
Finland
Prior art keywords
stigortsmaskin
Prior art date
Application number
FI782652A
Other languages
Finnish (fi)
Other versions
FI68292B (en
FI68292C (en
Inventor
George A Alther
Original Assignee
Smith International
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 Smith International filed Critical Smith International
Publication of FI782652A publication Critical patent/FI782652A/en
Publication of FI68292B publication Critical patent/FI68292B/en
Application granted granted Critical
Publication of FI68292C publication Critical patent/FI68292C/en

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/073—Telescoping joints for varying drill string lengths; Shock absorbers with axial rotation
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/72—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts
    • F16D3/74—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts the intermediate member or members being made of rubber or other rubber-like flexible material

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
FI782652A 1977-09-14 1978-08-29 STIGORTSMASKIN FI68292C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83304077A 1977-09-14 1977-09-14
US83304077 1977-09-14

Publications (3)

Publication Number Publication Date
FI782652A true FI782652A (en) 1979-03-15
FI68292B FI68292B (en) 1985-04-30
FI68292C FI68292C (en) 1985-08-12

Family

ID=25263262

Family Applications (1)

Application Number Title Priority Date Filing Date
FI782652A FI68292C (en) 1977-09-14 1978-08-29 STIGORTSMASKIN

Country Status (10)

Country Link
JP (1) JPS5447801A (en)
AU (1) AU519175B2 (en)
CA (1) CA1080690A (en)
DE (1) DE2838103A1 (en)
FI (1) FI68292C (en)
FR (1) FR2412683A1 (en)
GB (1) GB2004313B (en)
IT (1) IT1098412B (en)
SE (1) SE7808549L (en)
ZA (1) ZA784948B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6342306A (en) * 1986-08-08 1988-02-23 Daido Steel Co Ltd Method for forming metallic powder by hot forging
US6729418B2 (en) 2001-02-13 2004-05-04 Smith International, Inc. Back reaming tool
GB2385081B (en) * 2001-02-13 2004-06-30 Smith International Back reaming tool
CN114544226B (en) * 2022-02-18 2023-06-16 陇东学院 Be applied to multi-functional broken rock equipment of geological survey

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517760A (en) * 1968-03-22 1970-06-30 Delmag Maschinenfabrik Telescopic drill rods for soil drilling equipments

Also Published As

Publication number Publication date
SE7808549L (en) 1979-03-15
FI68292B (en) 1985-04-30
AU519175B2 (en) 1981-11-12
CA1080690A (en) 1980-07-01
IT7827092A0 (en) 1978-08-29
GB2004313A (en) 1979-03-28
AU3941778A (en) 1980-03-06
ZA784948B (en) 1979-08-29
IT1098412B (en) 1985-09-07
DE2838103A1 (en) 1979-03-22
FR2412683A1 (en) 1979-07-20
FR2412683B1 (en) 1983-02-25
FI68292C (en) 1985-08-12
GB2004313B (en) 1982-03-17
JPS5447801A (en) 1979-04-14

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SMITH INTERNATIONAL, INC.