发明名称 High Density Weight Materials for Oil Field Servicing Operations
摘要 A wellbore treatment fluid comprising one or more high-density weighting materials selected from the group consisting of tungsten-containing materials, bismuth-containing materials, and tin-containing materials.
申请公布号 US2014094394(A1) 申请公布日期 2014.04.03
申请号 US201213633631 申请日期 2012.10.02
申请人 CHEVRON PHILLIPS CHEMICAL COMPANY LP 发明人 BISHOP MARSHALL D.;ANDERSON JOHN E.
分类号 C09K8/60;C09K8/05 主分类号 C09K8/60
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