Casing strings and methods of using such strings in subterranean cementing operations
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United States of America Patent
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Dec 4, 2007
Grant Date -
Apr 27, 2006
app pub date -
Oct 26, 2004
filing date -
Oct 26, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
Improved casing strings, and methods of using improved casing strings in subterranean cementing operations, are provided. An example of an apparatus is a pipe string comprising at least one pipe section and a delivery system of an activator. Another example of an apparatus is a pipe string comprising at least one pipe section and a delivery system of a set retarder. An example of a method is a method of cementing in a subterranean formation. Other examples of methods are methods of cementing in a subterranean formation comprising a well bore.
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