Compressible objects combined with a drilling fluid to form a variable density drilling mud
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United States of America Patent
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Dec 13, 2011
Grant Date -
Apr 9, 2009
app pub date -
Oct 16, 2008
filing date -
Jun 17, 2004
priority date (Note) -
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Abstract
A compressible object is described that may be utilized in drilling mud and with a drilling system to manage the density of the drilling mud. The compressible object includes a shell that encloses an interior region. The shell experiences less strain when the external pressure is about equal to the internal pressure than when the external pressure is above or below a predetermined compression interval of the compressible object includes a shell that encloses an interior region.
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