Variable density treatment fluids and methods of using such fluids in subterranean formations
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United States of America Patent
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Sep 19, 2006
Grant Date -
Jul 28, 2005
app pub date -
Jan 27, 2004
filing date -
Jan 27, 2004
priority date (Note) -
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Abstract
The present invention provides variable density fluid compositions and methods for using such compositions in a subterranean formation. One exemplary embodiment of the variable density fluid compositions of the present invention comprises a variable density fluid comprising: a base fluid, and a portion of variable pressure weighting material particles.
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