System for increasing productivity of oil, gas and...

Details System for increasing productivity of oil, gas and... System for increasing productivity of oil, gas and...

2006-07-11

2006-07-11

Tsay, Frank S. (Department: 3672)

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

C166S055000

Reexamination Certificate

active

07073587

ABSTRACT:
A system for increasing the productivity of oil, gas and hydrogeological wells has means for cutting slots only in a near well zone so as to perform a partial unloading of the well and to remove a part of support stresses, and means for cyclically treating well with a formation-treating substance so as to remove a remaining part of the support stresses, with controlling a density of a formation and correcting the cyclical treatment in correspondence with the density of the formation.

REFERENCES:
patent: 4462718 (1984-07-01), McLaughlin et al.
patent: 5337825 (1994-08-01), Marmorstein et al.
patent: 5445220 (1995-08-01), Gurevich et al.

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