Wells – Processes – Separate steps of fracturing or attacking formation
Reexamination Certificate
2007-05-08
2007-05-08
Bagnell, David (Department: 3672)
Wells
Processes
Separate steps of fracturing or attacking formation
C166S300000, C166S250140, C166S293000, C175S072000, C507S203000, C507S209000
Reexamination Certificate
active
10350429
ABSTRACT:
Methods of improving the pressure containment integrity of subterranean well bores are provided. The methods include pumping a fracture sealing composition into the well bore that rapidly converts into a high friction pressure sealing composition which is impermeable, deformable, extremely viscous and does not bond to the faces of fractures. Thereafter, the fracture sealing composition is squeezed into one or more natural fractures or into one or more new fractures formed in the well bore to thereby increase the pressure containment integrity of the well bore. The methods also include the prediction of the expected increase in pressure containment integrity.
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Deeg Wolfgang F. J.
Sweatman Ronald E.
Wang Hong
Bagnell David
Bomar Shane
Halliburton Energy Service,s Inc.
McAfee & Taft
Roddy Craig W.
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