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    • 4. 发明申请
    • Surfactants not Toxic to Bacteria
    • 表面活性剂对细菌无毒性
    • US20080051301A1
    • 2008-02-28
    • US11609137
    • 2006-12-11
    • Yiyan ChenRichard MarcinewCarlos Abad
    • Yiyan ChenRichard MarcinewCarlos Abad
    • C23F11/14
    • C09K8/74C09K8/703C09K2208/30
    • An oilfield treatment method is given that uses fluids that contain surfactants used as foamers and/or viscosifiers such that the fluids pass the Alberta Energy and Utilities Board Directive 27 requirements for low toxicity to certain bioluminescent bacteria. Such fluids may be used in oilfield treatments, for example drilling and stimulation, near fresh water aquifers. The surfactants are certain non-ionic surfactants that are not aromatic, or certain amphoteric surfactants (that can be neutral), or certain zwitterionic surfactants, (in which both positive and negative charges are present in a single molecule so that the whole molecule is neutral).
    • 给出了一种油田处理方法,其使用含有用作起泡剂和/或增粘剂的表面活性剂的流体,使得流体通过对某些生物发光细菌的低毒性的要求。 这种流体可用于油田处理,例如钻井和刺激,靠近淡水含水层。 表面活性剂是不是芳族的某些非离子表面活性剂,或某些两性表面活性剂(可以是中性的)或某些两性离子表面活性剂(其中单个分子中存在正电荷和负电荷,使得整个分子是中性的 )。
    • 9. 发明授权
    • Surfactants not toxic to bacteria
    • 表面活性剂对细菌无毒
    • US07741252B2
    • 2010-06-22
    • US11609137
    • 2006-12-11
    • Yiyan ChenRichard MarcinewCarlos Abad
    • Yiyan ChenRichard MarcinewCarlos Abad
    • C23F11/14C09K8/584
    • C09K8/74C09K8/703C09K2208/30
    • An oilfield treatment method is given that uses fluids that contain surfactants used as foamers and/or viscosifiers such that the fluids pass the Alberta Energy and Utilities Board Directive 27 requirements for low toxicity to certain bioluminescent bacteria. Such fluids may be used in oilfield treatments, for example drilling and stimulation, near fresh water aquifers. The surfactants are certain non-ionic surfactants that are not aromatic, or certain amphoteric surfactants (that can be neutral), or certain zwitterionic surfactants, (in which both positive and negative charges are present in a single molecule so that the whole molecule is neutral).
    • 给出了一种油田处理方法,其使用含有用作起泡剂和/或增粘剂的表面活性剂的流体,使得流体通过对某些生物发光细菌的低毒性的要求。 这种流体可用于油田处理,例如钻井和刺激,靠近淡水含水层。 表面活性剂是不是芳族的某些非离子表面活性剂,或某些两性表面活性剂(可以是中性的)或某些两性离子表面活性剂(其中单个分子中存在正电荷和负电荷,使得整个分子是中性的 )。