3145783

Information

• Patent Grant
• 3145783

• References
• Source

• Patent Number

  3,145,783

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1964
  60 years ago

• CPC

  • E21B7/18 - Drilling by liquid or gas jets, with or without entrained pellets
  • E03B3/12 - by means of vertical pipe wells
  • E21B7/20 - Driving or forcing casings or pipes into boreholes
  • E21B43/086 - Screens with preformed openings
  • E21B43/088 - Wire screens

• US Classifications

  • 175 - Boring or penetrating the earth
  • 166 - Wells