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Life support system for drilling rigs

  • US 4,165,738 A
  • Filed: 11/22/1977
  • Issued: 08/28/1979
  • Est. Priority Date: 11/22/1977
  • Status: Expired due to Term
First Claim
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1. In combination with a drilling rig having a platform, a draw works, a derrick extending upwardly therefrom, and at least one workman support on the derrick at an elevation substantially above said platform, the improvement comprising;

  • an emergency breathing system for protection against toxic gases, said system including, a vehicle-carried supply of breathing gas consisting of a plurality of bottles of compressed air having outlets connected to a common outlet which can be located on the surfac adjacent said drilling rig, first manifold means mounted on said platform, conduit means interconnecting said first manifold and said common outlet of said supply, a plurality of breathing masks connected to said first manifold and located for use at various locations on said rig.

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