专利名称：BOREHOLE WALL IMAGING TOOL HAVING A GROOVED WALL-CONTACTING FACE
发明人：SAN MARTIN, Luis, Emilio
申请号：US2014/033355
额发
jam申请日：20140408
公开号：WO2015/156784A1
春节 英语公开日：
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20151015
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专利附图：
摘要：Various disclod borehole imaging tools and methods provide an improved high- resolution electrode configuration suitable for imaging in both water-bad and oil-bad muds. In at least some embodiments, the imaging tools employ a unitary
conductive body to provide a wall-contacting face with grooves that define multiple nsing surfaces. Toroids may be ated in the grooves around each nsing surface for measuring the current flow through each nsing surface. Such placement enables a nearly ideal equipotential surface to be maintained and a straightforward "full coverage" electrode configuration due to a minimal electrode paration. Moreover, the disclod configuration promis robust and reliable performance in the hostile conditions often experienced by logging while drilling (LWD) tools. This wall-contacting face can be provided on an extendable nsor pad or embedded on the outer surface of a LWD stabilizer fin.
申请人：HALLIBURTON ENERGY SERVICES, INC.
地址：300 N. Sam Houston Parkway E. Houston, TX 77032-3219 US
american国籍：US
奥特曼英文
考研作文万能模板代理人：KRUEGER, Daniel, J. et al.名词
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