发明名称 Viscoelastic surfactant fluids stable at high brine concentrations
摘要 Present invention relates to high brine carrier fluid, said carrier fluid selected from the group consisting of organic acids, organic acid salts, inorganic salts and combination of one or more organic acids or organic acid salts, a co-surfactant and an amount of a zwitterionic surfactant. The invention also relates to methods of treating a subterranean wellbore, including drilling, hydraulic fracturing, gravel placement, scale removing, mud cake removing, using said high brine carrier fluid.
申请公布号 US2002033260(A1) 申请公布日期 2002.03.21
申请号 US20010918264 申请日期 2001.07.30
申请人 LUNGWITZ BERNHARD;BRADY MARK E.;DANIEL SYLVIE;PARLAR MEHMET;PRICE-SMITH COLIN J.;MORRIS ELIZABETH 发明人 LUNGWITZ BERNHARD;BRADY MARK E.;DANIEL SYLVIE;PARLAR MEHMET;PRICE-SMITH COLIN J.;MORRIS ELIZABETH
分类号 B01F17/00;C09K8/12;C09K8/60;C09K8/62;C09K8/68;C09K8/86;(IPC1-7):E21B43/04;C09K7/00 主分类号 B01F17/00
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