| 摘要 |
FIELD: oil-and-gas industry. ^ SUBSTANCE: invention related to oil industry, particularly to Christmas tree valves and assigned for prevention of formation fluid (mixture of oil, water, gas, mechanical intrusions) freezing during well production. The device includes oval shaped tank for it. The tank filled with non-freezing fluid and fixed to the annular line with a clip. Tube heaters (TH) used as electrical heaters. The heater equipped with a thermoregulator, explosion proofed cable box for TH and thermoregulator protection, a nozzles for evaporating liquid vapor discharge from the tank. ^ EFFECT: invention excludes equipment operation failure due to fluid freezing. ^ 2 dwg |
