Downhole tools having non-toxic degradable elements and their methods of use
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United States of America Patent
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Mar 7, 2017
Grant Date -
Mar 20, 2014
app pub date -
May 16, 2013
filing date -
Dec 23, 2008
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Abstract
Downhole tools for use in oil and gas production which degrade into non-toxic materials, a method of making them and methods of using them. A frac ball and a bridge plug comprised of polyglycolic acid which can be used in fracking a well and then left in the well bore to predictably, quickly, and safely disintegrate into environmentally friendly products without needing to be milled out or retrieved.
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