专利名称：Oil well cementing formulations发明人：Sridhar Gopalkrishnan申请号：US07/940553申请日：19920904公开号：US05262452A公开日：19931116
摘要：An oil and gas well cementing composition has styrene/butadiene latex and acombination of nonionic and anionic surfactants for improved physical properties,especially fluid loss.
申请人：BASF CORP.
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