Importance

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Abstract

The gas lift flow surveillance device has a paddle having a rod with a target attached to one end and a paddle block attached to the opposite end. The paddle block is pivotally disposed within a surveillance device housing body. A contact extending from the paddle block exerts pressure against a strain input area of a load cell. The load cell has a machine-readable millivolt output that changes according to a strain input from the paddle. A bottom section of the housing body has a bore defined therein that receives a threaded hex nipple, the rod passing through the nipple. The threaded hex nipple is adapted for attachment to a flow pipe National Pipe Thread (NPT) aperture for attaching the surveillance device to a flow pipe with the target in the fluid flow path.

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First Claim