Storable compositions and slurries and use of same for cementing oil and gas wells
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United States of America Patent
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Sep 2, 2003
Grant Date -
N/A
app pub date -
Jul 11, 2000
filing date -
Jul 13, 1999
priority date (Note) -
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Abstract
Storable compositions and slurries for cementing oil and gas wells are described which comprise blast-furnace slag besides other additives which are usual in the cementing technique. The compositions and slurries are insufficiently activated (or are activated immediately before introducing them into the well), so that they can be stored for at least 72 hours (alternatively they may be stored indefinitely) without the setting of the composition and dispense with the addition of activation inhibitors. The use of the compositions and slurries in the cementing of oil and gas wells is also described.
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