ES396978A2 - Mejoras en los sistemas de perforacion. - Google Patents

Mejoras en los sistemas de perforacion.

Info

Publication number
ES396978A2
ES396978A2 ES396978A ES396978A ES396978A2 ES 396978 A2 ES396978 A2 ES 396978A2 ES 396978 A ES396978 A ES 396978A ES 396978 A ES396978 A ES 396978A ES 396978 A2 ES396978 A2 ES 396978A2
Authority
ES
Spain
Prior art keywords
protuberance
protuberances
lands
drilling tools
counted
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
ES396978A
Other languages
English (en)
Spanish (es)
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.)
Total Compagnie Francaise des Petroles SA
Original Assignee
Compagnie Francaise des Petroles SA
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 Compagnie Francaise des Petroles SA filed Critical Compagnie Francaise des Petroles SA
Publication of ES396978A2 publication Critical patent/ES396978A2/es
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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
  • Drilling Tools (AREA)
ES396978A 1971-09-13 1971-10-30 Mejoras en los sistemas de perforacion. Expired ES396978A2 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7132896A FR2152409B2 (enExample) 1971-09-13 1971-09-13

Publications (1)

Publication Number Publication Date
ES396978A2 true ES396978A2 (es) 1974-10-01

Family

ID=9082832

Family Applications (1)

Application Number Title Priority Date Filing Date
ES396978A Expired ES396978A2 (es) 1971-09-13 1971-10-30 Mejoras en los sistemas de perforacion.

Country Status (6)

Country Link
AR (1) AR195969A1 (enExample)
BE (1) BE785611R (enExample)
ES (1) ES396978A2 (enExample)
FR (1) FR2152409B2 (enExample)
GB (1) GB1405900A (enExample)
IT (1) IT998063B (enExample)

Also Published As

Publication number Publication date
FR2152409A2 (enExample) 1973-04-27
IT998063B (it) 1976-01-20
FR2152409B2 (enExample) 1974-05-31
BE785611R (fr) 1972-10-16
GB1405900A (en) 1975-09-10
AR195969A1 (es) 1973-11-23

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