FR1153317A - Roller bit - Google Patents

Roller bit

Info

Publication number
FR1153317A
FR1153317A FR1153317DA FR1153317A FR 1153317 A FR1153317 A FR 1153317A FR 1153317D A FR1153317D A FR 1153317DA FR 1153317 A FR1153317 A FR 1153317A
Authority
FR
France
Prior art keywords
roller bit
bit
roller
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
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.)
Bataafsche Petroleum Maatschappij NV
Original Assignee
Bataafsche Petroleum Maatschappij NV
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 Bataafsche Petroleum Maatschappij NV filed Critical Bataafsche Petroleum Maatschappij NV
Application granted granted Critical
Publication of FR1153317A publication Critical patent/FR1153317A/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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type

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)
FR1153317D 1955-05-17 1956-05-15 Roller bit Expired FR1153317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1153317X 1955-05-17

Publications (1)

Publication Number Publication Date
FR1153317A true FR1153317A (en) 1958-03-05

Family

ID=19870445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153317D Expired FR1153317A (en) 1955-05-17 1956-05-15 Roller bit

Country Status (1)

Country Link
FR (1) FR1153317A (en)

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