[go: up one dir, main page]

FR87271E - Improved drilling method and apparatus - Google Patents

Improved drilling method and apparatus

Info

Publication number
FR87271E
FR87271E FR998065A FR998065A FR87271E FR 87271 E FR87271 E FR 87271E FR 998065 A FR998065 A FR 998065A FR 998065 A FR998065 A FR 998065A FR 87271 E FR87271 E FR 87271E
Authority
FR
France
Prior art keywords
drilling method
improved drilling
improved
drilling
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
FR998065A
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.)
ConocoPhillips Co
Original Assignee
Continental Oil Co
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 Continental Oil Co filed Critical Continental Oil Co
Priority to FR998065A priority Critical patent/FR87271E/en
Application granted granted Critical
Publication of FR87271E publication Critical patent/FR87271E/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
    • E21B10/16—Roller bits characterised by tooth form or arrangement

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)
FR998065A 1964-12-09 1964-12-09 Improved drilling method and apparatus Expired FR87271E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR998065A FR87271E (en) 1964-12-09 1964-12-09 Improved drilling method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR998065A FR87271E (en) 1964-12-09 1964-12-09 Improved drilling method and apparatus

Publications (1)

Publication Number Publication Date
FR87271E true FR87271E (en) 1966-07-08

Family

ID=8844455

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998065A Expired FR87271E (en) 1964-12-09 1964-12-09 Improved drilling method and apparatus

Country Status (1)

Country Link
FR (1) FR87271E (en)

Similar Documents

Publication Publication Date Title
FR1507614A (en) Improved Filtering Method and Apparatus
FR1397209A (en) Refrigeration method and apparatus
FR1427591A (en) Grinding method and apparatus
FR1428243A (en) Projection method and apparatus
FR1343136A (en) Calendering apparatus and method
FR1447253A (en) Thermographic reproduction method and apparatus
BE617837A (en) Cinematographic method and apparatus.
FR1465448A (en) Photometric method and apparatus
FR1457227A (en) Improved fractionation apparatus and method
FR1338995A (en) Improved drilling method and apparatus
FR1355086A (en) Dredging method and apparatus
FR87271E (en) Improved drilling method and apparatus
FR1415628A (en) Drilling method and apparatus
FR1513386A (en) Improved plating method and apparatus
FR1485327A (en) Refrigeration method and apparatus
FR1379818A (en) Improved drilling method and apparatus
FR1521058A (en) Drilling method and apparatus
FR1440610A (en) Forging method and apparatus
FR1453970A (en) Magnetic memory method and apparatus
FR1529937A (en) Frying method and apparatus
FR1408722A (en) Method and apparatus for drying
FR1460135A (en) Mechanotherapy method and apparatus
FR1514247A (en) Micro-filming method and apparatus
FR1497895A (en) Telecommunication method and apparatus
FR1459045A (en) Sterilization method and apparatus