NATURAL GAS PRESSURE REDUCTION METHOD Russian patent published in 2013 - IPC F17D1/04 

FIELD: oil and gas industry.

SUBSTANCE: natural gas pressure reduction method, including a throttling nozzle, consists in the fact that a shell is coaxially installed after throttling nozzle and low pressure gas flow is supplied to it; at that, diameter and length of the shell is chosen depending on volume of low pressure gas.

EFFECT: improving operating reliability of the device under conditions of lower ambient temperatures due to rise of low pressure gas flow temperature without using any additional equipment.

1 dwg