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公开(公告)号:US20100173804A1
公开(公告)日:2010-07-08
申请号:US12663725
申请日:2008-05-27
IPC分类号: C09K8/035
CPC分类号: C09K8/035 , C08F220/06 , C08F220/18 , C08F222/1006 , C09K8/32
摘要: Additives for reducing the loss of drilling fluid into the formation surrounding a wellbore during the drilling process as well as drilling fluids comprising the additives and methods of using such additives. The additive includes elastomeric, polymeric, and acrylate, non-agglomerated microspheres.
摘要翻译: 用于在钻井过程中减少钻井液在钻井周围的地层中的损失以及包含添加剂的钻井液和使用这些添加剂的方法的添加剂。 添加剂包括弹性体,聚合物和丙烯酸酯,非聚集的微球体。
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公开(公告)号:US08343895B2
公开(公告)日:2013-01-01
申请号:US12663725
申请日:2008-05-27
IPC分类号: C09K8/035
CPC分类号: C09K8/035 , C08F220/06 , C08F220/18 , C08F222/1006 , C09K8/32
摘要: Additives for reducing the loss of drilling fluid into the formation surrounding a wellbore during the drilling process as well as drilling fluids comprising the additives and methods of using such additives. The additive includes elastomeric, polymeric, and acrylate, non-agglomerated microspheres.
摘要翻译: 用于在钻井过程中减少钻井液在钻井周围的地层中的损失以及包含添加剂的钻井液和使用这些添加剂的方法的添加剂。 添加剂包括弹性体,聚合物和丙烯酸酯,非聚集的微球体。
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