摘要
测井仪器着陆指示器专利号:WO2014011747(A1)专利名称:LANDING INDICATOR FOR LOGGING TOOLS申请号:WO2013US49891申请日:2013.07.10专利申请人:BAKER HUGHES INCORPORATED公开日:2014.01.16An apparatus for evaluating an earth formation intersected by a wellbore may include a logging tool conveyed into the wellbore through a drilling tubular,a landing indicator associated with the logging tool,and a sensor operatively associated with the logging tool.In use,the landing indicator generates a pressure pulse
Disclosed are wireline tool systems including a casing collar locator tool and one or more logging tool（s）. The logging tool（s） collects information regarding a formation property or a physical condition downhole, and produces a modulated magnetic field to communicate at least some of the collected information.
出处
《国外测井技术》
2017年第1期73-73,共1页
World Well Logging Technology
