Invention Grant
US08212567B2 Externally mounted band antennae requiring minimal metal cutting on drillstring for reduction of mechanical stresses
失效
外部安装的带式天线需要在钻柱上进行最小的金属切割以减少机械应力
- Patent Title: Externally mounted band antennae requiring minimal metal cutting on drillstring for reduction of mechanical stresses
- Patent Title (中): 外部安装的带式天线需要在钻柱上进行最小的金属切割以减少机械应力
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Application No.: US12254102Application Date: 2008-10-20
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Publication No.: US08212567B2Publication Date: 2012-07-03
- Inventor: John A. Signorelli , Tsili Wang
- Applicant: John A. Signorelli , Tsili Wang
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: G01V3/00
- IPC: G01V3/00 ; G01V3/18
Abstract:
An instrument disposed into a drill string for imaging an earth formation includes: at least one band antenna disposed over an intermediate layer disposed into a groove in an outer surface of the drill string. A method of fabrication is provided.
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