3865142

Information

• Patent Grant
• 3865142

• References
• Source

• Patent Number

  3,865,142

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  50 years ago

• CPC

  • E21B34/04 - in underwater well heads
  • E21B33/0355 - Control systems
  • E21B43/017 - Production satellite stations
  • E21B47/12 - Means for transmitting measuring-signals or control signals from the well to the surface or from the surface to the well
  • Y10T137/402 - Distribution systems involving geographic features
  • Y10T137/8242 - Electrical
  • Y10T137/8326 - Fluid pressure responsive indicator, recorder or alarm
  • Y10T137/87048 - With preselecting means for plural valve actuator

• US Classifications

  • 137 - Fluid handling