发明名称 APPARATUS AND METHODS FOR DETERMINING PARAMETERS DOWNHOLE USING GRAVITY-AFFECTED SENSOR
摘要 In one aspect, an apparatus for use in a wellbore is provided that in one embodiment includes a sensor having a plurality of spaced conductive contact elements, a sensing member that moves by gravity and contacts at least two contact elements in the plurality of contact elements to create an electrical short between such at least two contact elements and a circuit coupled to the contact elements configured to generate electrical signals in response to the electrical short between the contact elements.
申请公布号 CA2854211(C) 申请公布日期 2017.01.10
申请号 CA20122854211 申请日期 2012.12.12
申请人 BAKER HUGHES INCORPORATED 发明人 CAIRNS, PAUL G.;KUCK, KURT J.;ESTES, ROBERT A.
分类号 E21B47/0228;E21B47/09;E21B47/125;G01V7/00 主分类号 E21B47/0228
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