3217802

Information

• Patent Grant
• 3217802

• References
• Source

• Patent Number

  3,217,802

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1965
  60 years ago

• CPC

  • E21B31/03 - Freeing by flushing; Controlling differential pipe sticking
  • Y10S507/94 - Freeing stuck object from wellbore

• US Classifications

  • 166 - Wells
  • 507 - Earth boring, well treating, and oil field chemistry