3289765

Information

• Patent Grant
• 3289765

• References
• Source

• Patent Number

  3,289,765

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1966
  58 years ago

• CPC

  • E21B7/12 - Underwater drilling
  • E21B3/045 - movably mounted on the drilling structure or platform
  • E21B33/035 - specially adapted for underwater installations
  • E21B33/04 - Casing heads Suspending casings or tubings in well heads

• US Classifications

  • 166 - Wells