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公开(公告)号:US20110265995A1
公开(公告)日:2011-11-03
申请号:US13177798
申请日:2011-07-07
IPC分类号: E21B43/267
CPC分类号: C09K8/80 , Y10T428/2991 , Y10T428/2993 , Y10T428/2996
摘要: One embodiment of the present invention relates to spherical ceramic elements, such as proppants, for maintaining permeability in subterranean formations to facilitate extraction of oil and gas therefrom. The strength of the ceramic element may be enhanced by combining materials having different coefficients of thermal expansion. Methods of making the ceramic elements are also disclosed.
摘要翻译: 本发明的一个实施方案涉及用于保持地下地层中的渗透性的球形陶瓷元素,例如支撑剂,以便于从其中提取油和气体。 可以通过组合具有不同热膨胀系数的材料来增强陶瓷元件的强度。 还公开了制造陶瓷元件的方法。