Development of Downhole Dynamic Measuring System and Field Trial,ERICDATA高等教育知識庫
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篇名
Development of Downhole Dynamic Measuring System and Field Trial
並列篇名
Development of Downhole Dynamic Measuring System and Field Trial
作者 Hai-Long JiangGong-Hui Liu李軍Tao ZhangJin-Kai Zhang
英文摘要
Downhole engineering parameters such as weight on bit (WOB), torque on bit (TOB) and vibration play a significant role in safe and efficient drilling when operating in severe geological environment. Monitoring downhole parameters in real-time will improve drilling safety and efficiency greatly. Traditionally, engineering parameters obtained in the well site are based on data collection on surface, which is not an accurate way to estimate downhole conditions. In order to explain dynamical state and stress distribution of bottom hole assembly (BHA), a comprehensive suite of downhole dynamic measuring system (DDMS) is developed. The paper provides an overview of the downhole dynamic measuring system which has the ability to measure axial force, torsional force, annular pressure, internal pressure, vibrations in three orthogonal directions and annular temperature with changeable sampling rate as high as 1000 Hz. The measurement of axial force and torsional force with strain sensors is an intricate issue which relates to environmental factors, therefore calibration of strain sensors in laboratory is included in this paper. In the subsequent content, field trail is covered to illustrate the performance of downhole dynamic measuring system.
起訖頁 205-212
關鍵詞 calibrationdynamicsmeasuring systemvibration
刊名 電腦學刊  
期數 201804 (29:2期)
DOI 10.3966/199115992018042902020   複製DOI
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