AU421138B2 - Improvements in and relating to deep drills with eccentric bits - Google Patents

Improvements in and relating to deep drills with eccentric bits

Info

Publication number
AU421138B2
AU421138B2 AU18241/67A AU1824167A AU421138B2 AU 421138 B2 AU421138 B2 AU 421138B2 AU 18241/67 A AU18241/67 A AU 18241/67A AU 1824167 A AU1824167 A AU 1824167A AU 421138 B2 AU421138 B2 AU 421138B2
Authority
AU
Australia
Prior art keywords
relating
eccentric bits
drills
deep
deep drills
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
AU18241/67A
Other versions
AU1824167A (en
Inventor
Ahlgren Hans
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.)
Skanska AB
Original Assignee
Skanska Cementgjuteriet AB
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 Skanska Cementgjuteriet AB filed Critical Skanska Cementgjuteriet AB
Priority to AU18241/67A priority Critical patent/AU421138B2/en
Publication of AU1824167A publication Critical patent/AU1824167A/en
Application granted granted Critical
Publication of AU421138B2 publication Critical patent/AU421138B2/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
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable

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)
AU18241/67A 1967-02-27 1967-02-27 Improvements in and relating to deep drills with eccentric bits Expired AU421138B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU18241/67A AU421138B2 (en) 1967-02-27 1967-02-27 Improvements in and relating to deep drills with eccentric bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU18241/67A AU421138B2 (en) 1967-02-27 1967-02-27 Improvements in and relating to deep drills with eccentric bits

Publications (2)

Publication Number Publication Date
AU1824167A AU1824167A (en) 1968-08-29
AU421138B2 true AU421138B2 (en) 1972-02-07

Family

ID=3707893

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18241/67A Expired AU421138B2 (en) 1967-02-27 1967-02-27 Improvements in and relating to deep drills with eccentric bits

Country Status (1)

Country Link
AU (1) AU421138B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU591346B2 (en) * 1986-10-03 1989-11-30 Lovab Lof Och Ostlund A.B. Rotary drill

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE454196C (en) * 1983-09-23 1991-11-04 Jan Persson EARTH AND MOUNTAIN DRILLING DEVICE CONCERNING BORING AND LINING OF THE DRILL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU591346B2 (en) * 1986-10-03 1989-11-30 Lovab Lof Och Ostlund A.B. Rotary drill

Also Published As

Publication number Publication date
AU1824167A (en) 1968-08-29

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