FR2033069A5 - - Google Patents

Info

Publication number
FR2033069A5
FR2033069A5 FR7006807A FR7006807A FR2033069A5 FR 2033069 A5 FR2033069 A5 FR 2033069A5 FR 7006807 A FR7006807 A FR 7006807A FR 7006807 A FR7006807 A FR 7006807A FR 2033069 A5 FR2033069 A5 FR 2033069A5
Authority
FR
France
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
FR7006807A
Other languages
French (fr)
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.)
Nya Asfalt AB
Original Assignee
Nya Asfalt 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 Nya Asfalt AB filed Critical Nya Asfalt AB
Application granted granted Critical
Publication of FR2033069A5 publication Critical patent/FR2033069A5/fr
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
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion

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)
FR7006807A 1969-02-28 1970-02-25 Expired FR2033069A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE02841/69A SE329138B (enrdf_load_stackoverflow) 1969-02-28 1969-02-28

Publications (1)

Publication Number Publication Date
FR2033069A5 true FR2033069A5 (enrdf_load_stackoverflow) 1970-11-27

Family

ID=20260825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7006807A Expired FR2033069A5 (enrdf_load_stackoverflow) 1969-02-28 1970-02-25

Country Status (6)

Country Link
US (1) US3722610A (enrdf_load_stackoverflow)
AT (1) AT296920B (enrdf_load_stackoverflow)
DE (1) DE2007691A1 (enrdf_load_stackoverflow)
FR (1) FR2033069A5 (enrdf_load_stackoverflow)
GB (1) GB1231556A (enrdf_load_stackoverflow)
SE (1) SE329138B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9401528U1 (de) * 1994-01-26 1994-05-19 Gartec Geo- Und Umwelttechnik Gmbh, 03253 Doberlug-Kirchhain Bohrmeißel zur Herstellung von Pilotbohrungen für Durchörterungen u.dgl.
US7610970B2 (en) * 2006-12-07 2009-11-03 Schlumberger Technology Corporation Apparatus for eliminating net drill bit torque and controlling drill bit walk
CN114382434B (zh) * 2021-12-22 2023-07-14 中国石油大学(华东) 一种用于深水的表层导管自钻进固井装置及方法

Also Published As

Publication number Publication date
US3722610A (en) 1973-03-27
DE2007691A1 (de) 1970-09-17
GB1231556A (enrdf_load_stackoverflow) 1971-05-12
AT296920B (de) 1972-03-10
SE329138B (enrdf_load_stackoverflow) 1970-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse