Wells – Processes – Specific propping feature
Reexamination Certificate
2008-01-29
2008-01-29
Tsay, Frank (Department: 3672)
Wells
Processes
Specific propping feature
C166S308100
Reexamination Certificate
active
07322411
ABSTRACT:
A method of fracturing using deformable proppants minimizes proppant pack damage, without compromising the fracturing fluid's proppant transport properties during pumping, by use of deformable proppants. Selection of proppant is dependent upon the mechanical properties of the formation rock. The strength of the deformable proppant is dependent upon the modulus of the formation rock being treated such that the proppant is capable of providing, at the very least, a minimum level of conductivity in in-situ stress environments. The maximum elastic modulus of the deformable proppant is less than the minimum modulus of the formation rock which is being treated. The method is particularly applicable in fracturing operations of subterranean reservoirs such as those comprised primarily of coal, chalk, limestone, dolomite, shale, siltstone, diatomite, etc.
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Brannon Harold Dean
Maharidge Russell L.
Rickards Allan Ray
Stephenson Christopher John
BJ Services Company
Jones John Wilson
Jones & Smith, LLP
Tsay Frank
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