Vapor recovery apparatus and method for oil and gas wells
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United States of America Patent
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Dec 8, 2015
Grant Date -
Aug 20, 2015
app pub date -
Feb 19, 2015
filing date -
Feb 20, 2014
priority date (Note) -
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Abstract
A vapor recovery apparatus has a first vessel forming a column with upper and lower ends. Liquid, such as oil containing gas enters the bottom of the first column and flows op to a liquid outlet. Heat is applied to the rising oil, wherein the oil foams. Gas escapes into the upper end. The foam flows into a second column and along a roughened surface. The bubbles in the foam break apart, releasing the gas. The oil flows down the second column to an outlet. A compressor may be used to withdraw the gas and provide hot compressed gas to beat the rising oil in the first column.
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