Methods and compositions for breaking viscosified fluids

Details Methods and compositions for breaking viscosified fluids Methods and compositions for breaking viscosified fluids

2007-08-28

2007-08-28

Tucker, Philip C. (Department: 1712)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S211000, C507S213000, C507S215000, C507S216000, C507S269000, C507S273000, C507S277000, C507S921000, C507S922000, C166S308300

Reexamination Certificate

active

10447814

ABSTRACT:
Improved methods for treating and for fracturing subterranean formations and the fluid compositions are provided. The viscosity of a treating fluid containing gelling agents is broken, even at temperatures of about 250° F. and lower, utilizing an oxidizing breaker and a reducing sugar to activate the breaker.

REFERENCES:
patent: 3714088 (1973-01-01), Manning
patent: 3760881 (1973-09-01), Kiel
patent: 4144179 (1979-03-01), Chatterji
patent: 4552215 (1985-11-01), Almond et al.
patent: 4552674 (1985-11-01), Brown et al.
patent: 5420174 (1995-05-01), Dewprashad
patent: 5445223 (1995-08-01), Nelson et al.
patent: 5877127 (1999-03-01), Card et al.
patent: 6559302 (2003-05-01), Shah et al.
patent: 6617285 (2003-09-01), Crews
patent: 2002/0168397 (2002-11-01), Tsuji et al.
patent: 2003/0022796 (2003-01-01), Crews
patent: 2003/0092581 (2003-05-01), Crews
patent: 2003/0092584 (2003-05-01), Crews
patent: 2003/0096025 (2003-05-01), Uehara et al.
patent: 2003/0119678 (2003-06-01), Crews
patent: 2004/0019199 (2004-01-01), Crews
patent: 2004/0127367 (2004-07-01), Crews
patent: 2004/0242430 (2004-12-01), Griffin et al.
patent: 1 267 034 (2002-12-01), None
patent: 1 559 867 (2005-08-01), None
Foreign communication from a related counterpart application dated Aug. 18, 2004.
Foreign communication from a related counterpart, Search Report and Written Opinion Application No. PCT/GB2005/69 dated Feb. 22, 2006.

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