Enhancing fluid removal from fractures deliberately introduced i

Earth boring – well treating – and oil field chemistry – Well treating – Contains inorganic component other than water or clay

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Details

507209, 507214, 507233, 507261, 507266, 507271, 507922, 507924, 166308, C09K 300, E21B 4326

Patent

active

060691182

ABSTRACT:
The present Invention relates to hydrocarbon well stimulation, and more particularly to methods and compositions to remove (or more generally to transfer) fluid introduced into a subsurface fracture, in which the methods involve creating then exploiting chemical potential gradients at the fracture face to induce fluid flow from the fracture into the formation; the methods and compositions involve creating, or relying upon an intrisic or previously created, a selectively permeable membrane that is permeable to water but that does not allow solutes to pass through.

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