3785436

Information

• Patent Grant
• 3785436

• References
• Source

• Patent Number

  3,785,436

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1974
  50 years ago

• CPC

  • E21B23/006 - "J-slot" systems
  • E21B23/06 - for setting packers
  • E21B33/12 - Packers Plugs
  • E21B33/12955 - using drag blocks frictionally engaging the inner wall of the well

• US Classifications

  • 166 - Wells