Method for enhancing well productivity

Details Method for enhancing well productivity Method for enhancing well productivity

2005-04-05

2005-04-05

Tsay, Frank (Department: 3672)

Wells

Processes

Placing fluid into the formation

C166S311000

Reexamination Certificate

active

06874580

ABSTRACT:
A method for enhancing the productivity of a subterranean well comprising passing a solvent out of a string of production casing through perforations proximate an unfractured soluble formation, dissolving a region of the soluble formation to create a cavity therein, and increasing the size of the cavity until the subterranean formation proximate the cavity collapses.

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Gatlin, Petroluem Engineering, Prentice-Hall, Inc. 1960, pp321-327.*
Williams, Acidizing Fundamentals, Society of Petroleum Engineers of AIME, 1979, pp1-18.

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