Aqueous well treatment fluid compositions are disclosed comprising an aqueous fluid containing polymer or copolymer for modifying fluid viscosity of the aqueous fluid and, in addition, an agent for effecting a controlled reduction in the aqueous fluid viscosity in a subterranean environment. The viscosity-reducing agent comprises a dilute concentration of peracetic acid. A method of using such compositions in oil- and gas-field treatment operations is also disclosed.
申请公布号
WO2010099055(A3)
申请公布日期
2011.01.27
申请号
WO2010US24854
申请日期
2010.02.22
申请人
FMC CORPORATION;HUANG, SHURONG;PFEFFER, HENRY, A.;ROVISON, JOHN, M.
发明人
HUANG, SHURONG;PFEFFER, HENRY, A.;ROVISON, JOHN, M.