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Same function as a float collar but run on the end of the casing.
The collar contains a backpressure or check valve which stops cement from reentering the well after displacement into the annulus. It is useful to prevent channels in the cement until the cement is set.
Pressuring and depressuring the tubing (ballooning) to remove plugs or knock scale and other debris loose from the tubing wall.
In a completions context, FLC stands for fluid loss control. In an operations context, FLC stands for field lifting cost.
Vaporization of water or light ends as pressure is released during production or processing.
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An ignition temperature (given in oF) that liquid will put off enough vapors to be ignited.
A sudden pressure drop that causes hydrocarbon light ends to go from a liquid to a gas.
The weld seam on or in a welded pipe.