FIELD: survey of boreholes or wells, particularly gas well operation control.
SUBSTANCE: signaling device is made as vertical pipe installed in gas pipeline (gathering line or gas well manifold). Upper pipe part has orifices arranged from approach flow side, lower part thereof extends from gas pipeline and provided with ball shutoff valve. Feed pipe is secured from another tap side. The feed pipe is provided with netted flap secured to the pipe and provided with drive linked to two-position regulator along with signaling means, namely lamp or light-emitting diode. Regulator input is connected to pressure drop sensor.
EFFECT: increased reliability and reduced time of information obtaining.
1 dwg
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