CAJ | 학술논문

为了快速检测钻井过程中的井筒压力和温度分布，从而对井涌、井漏和钻具磨损等各类井下故障进行判断和预测，进行了微芯片示踪器研究攻关。采用微型化采集技术、高效电源管理技术和高温高压封装技术，设计研制了小尺寸、低功耗井下数据采集系统---微芯片示踪器样机。该示踪器连续投放到循环的钻井液中，可以快速采集井筒中的压力和温度数据，获得井筒温度、压力分布剖面。微芯片示踪器原理样机直径只有20mm，地面测试表明，该样机可连续采集到养护釜中100℃以下的温度变化，以及20MPa以下的压力变化。这表明，利用微芯片示踪器可以采集到井筒中的压力和温度数据，建立井筒压力和温度分布剖面。
위료쾌속검측찬정과정중적정통압력화온도분포，종이대정용、정루화찬구마손등각류정하고장진행판단화예측，진행료미심편시종기연구공관。채용미형화채집기술、고효전원관리기술화고온고압봉장기술，설계연제료소척촌、저공모정하수거채집계통---미심편시종기양궤。해시종기련속투방도순배적찬정액중，가이쾌속채집정통중적압력화온도수거，획득정통온도、압력분포부면。미심편시종기원리양궤직경지유20mm，지면측시표명，해양궤가련속채집도양호부중100℃이하적온도변화，이급20MPa이하적압력변화。저표명，이용미심편시종기가이채집도정통중적압력화온도수거，건립정통압력화온도분포부면。
The microchip-tracer technique was developed to quickly test temperature and pressure over the entire borehole w hile drilling ,so as to identify and predict dow nhole complicated conditions ,such as kick ,lost circulation ,drilling string worn and so on .The prototype tracer is small in size and low in power consumption by adopting micro-system of data acquisition ,power supply and management ,high tempera-ture and pressure resistant package .It can be continuously put into circulating drilling fluids for real-time measurement of temperature and pressure over the entire borehole .The size of tracer is only 20 mm in di-ameter ,and it can detect temperature and pressure below 100 ℃ and 20 MPa in ground test .The research show s that the tracer is a very important tool to detect engineering parameters ,and plot the curves for these parameters .