FI20130183A - Method for attaching a pull collar to a ring ring - Google Patents

Method for attaching a pull collar to a ring ring Download PDF

Info

Publication number
FI20130183A
FI20130183A FI20130183A FI20130183A FI20130183A FI 20130183 A FI20130183 A FI 20130183A FI 20130183 A FI20130183 A FI 20130183A FI 20130183 A FI20130183 A FI 20130183A FI 20130183 A FI20130183 A FI 20130183A
Authority
FI
Finland
Prior art keywords
ring
attaching
pull collar
collar
pull
Prior art date
Application number
FI20130183A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI125665B (en
Inventor
Jussi Sammatti
Original Assignee
Lehti Group Oy
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 Lehti Group Oy filed Critical Lehti Group Oy
Priority to FI20130183A priority Critical patent/FI125665B/en
Publication of FI20130183A publication Critical patent/FI20130183A/en
Application granted granted Critical
Publication of FI125665B publication Critical patent/FI125665B/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/14—Casing shoes for the protection of the bottom of the casing
    • 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
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
FI20130183A 2013-06-25 2013-06-25 Method for mounting a drawbar collar on a ring insert FI125665B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI20130183A FI125665B (en) 2013-06-25 2013-06-25 Method for mounting a drawbar collar on a ring insert

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20130183A FI125665B (en) 2013-06-25 2013-06-25 Method for mounting a drawbar collar on a ring insert

Publications (2)

Publication Number Publication Date
FI20130183A true FI20130183A (en) 2014-12-26
FI125665B FI125665B (en) 2015-12-31

Family

ID=52281641

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20130183A FI125665B (en) 2013-06-25 2013-06-25 Method for mounting a drawbar collar on a ring insert

Country Status (1)

Country Link
FI (1) FI125665B (en)

Also Published As

Publication number Publication date
FI125665B (en) 2015-12-31

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