存储式井下振动测量工具的设计与室内试验

Design and Laboratory Test of Memory Downhole Vibration Measurement Instrument

钻井过程中,如能成功地进行井下钻具的振动测量,则有助于了解钻具的振动状态及引起钻具振动的原因,从而采取相应的措施,减小振动,以减少或避免井下钻具的过早损坏、失效。因此,研制井下振动测量工具,对钻具的防振和保护具有很重要的意义。完成了存储式井下振动测量工具的总体设计,提出了具体的电子测量系统实现方案,进行了电子元器件选型、电子电路设计和控制软件开发。介绍了存储式井下振动测量工具的机械设计思路和过程,完成了机械系统结构设计和强度校核。最后,进行了存储式井下振动测量工具样机的室内试验,应用振动分析软件回放了测量数据,试验证明,样机设计合理,具备现场试验的条件。

The successful downhole drilling tool vibration measurement helps to understand the drill tool vi bration and the reason of vibration during drilling, thereby measures are actively taken to reduce vibration, reduce or avoid premature downhole drilling tool damage and failure. Therefore,manufacture of downhole vibration measure- ment instrument is important for drilling tool protection and decreasing vibration. The overall design of memory downhole vibration measurement tools was completed. A specific implementation of electronic measurement system was proposed. The selection of electronic components, electronic circuit design and control software development were conducted. This paper introduced the memory downhole vibration measurement instrument mechanical design processes and ideas. Mechanical system design and strength of the structure was verified. Laboratory experiments were carried out. Application of vibration measurement data analysis software replayed the data. The experiment proved that the design is appropriate and ready for field test.