New plunger arrival sensor Here's the new 3DSO plunger arrival sensor for plunger lift wells. Mounted on the surface lubricator, the unit detects the plunger's arrival and activates the controller to the appropriate mode for gas sales or shut-in. The company says its tool's proprietary technology represents significant improvements in plunger arrival sensing. Driven by an embedded microprocessor, the sensor continually self-calibrates to filter out environmental noise. It uses advanced 3D technology to detect the plunger's arrival. By sensing the plunger in three coils in three axes (X, Y, and Z), the sensor is able to more accurately detect plunger arrival. The combination of the micropr...

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