Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay
Reexamination Certificate
2011-01-04
2011-01-04
Gulakowski, Randy (Department: 1766)
Earth boring, well treating, and oil field chemistry
Well treating
Contains inorganic component other than water or clay
C507S140000, C166S293000
Reexamination Certificate
active
07863226
ABSTRACT:
Methods are provided that include a method comprising providing magnesium oxide; placing the magnesium oxide within a portion of a subterranean formation; contacting the magnesium oxide with a brine that comprises water and a divalent salt; and allowing the magnesium oxide and brine to react to form a hardened mass in the portion of the subterranean formation. In some embodiments, the methods comprise providing a subterranean drilling fluid that comprises magnesium oxide; and adding a divalent salt to the subterranean drilling fluid to form a settable composition. In other embodiments, the methods comprise providing a subterranean drilling fluid that comprises magnesium oxide; and adding a divalent salt to the subterranean drilling fluid to form a settable composition. Additional methods are also provided.
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Almond Stephen W.
Foster Ryan M.
Gulakowski Randy
Halliburton Energy Service,s Inc.
McDermott & Will & Emery
Roddy Craig W.
Toscano Alicia
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