钻探工程2024，Vol.51Issue(1)：68-74,7.DOI:10.12143/j.ztgc.2024.01.009
基于工程参数变化趋势异常诊断的卡钻实时预警方法
Real-time early warning of pipe sticking based on abnormal diagnosis of engineering parameter change trend
摘要
Abstract
South Sichuan work area is a key shale gas exploration and development area of Sinopec.The high formation pressure coefficient and harsh drilling geological conditions in this work area lead to complex drilling and frequent failures,among which sticking fault is the most prominent which seriously restricts the safe and efficient development of shale gas in South Sichuan.There are some problems in the existing technology,such as poor comprehensive utilization of monitoring information,not timely risk warning and strong subjectivity.In this paper,through the analysis of the expert knowledge judgment of sticking fault in the drilling process,the key characterization parameters corresponding to the risk of sticking are determined,the change trend of the key characterization parameters at the location of sticking is studied and the corresponding change rules are obtained.On this basis,a real-time early warning method for sticking fault based on abnormal diagnosis of engineering parameter change trend is established.Well WY-XX is selected as an example for analysis,as a result,the warning results by this software is consistent with the actual downhole risk which verified the correctness and reliability of the model with the success rate of 83%.关键词
页岩气勘探开发/卡钻/风险预警/实时预警/VDX钻井参数仪/川南工区Key words
shale gas exploration and development/sticking/risk early warning/real-time warning/VDX parameter instrument/South Sichuan work area分类
石油、天然气工程引用本文复制引用
胜亚楠..基于工程参数变化趋势异常诊断的卡钻实时预警方法[J].钻探工程,2024,51(1):68-74,7.基金项目
中石化中原石油工程有限公司项目"井下工程参数采集及随钻传输系统研制"(编号:2023101)、"基于VDX实时数据的井下风险监测及预警系统研制"(编号:2021112) （编号:2023101）
中石化中原石油工程有限公司博士后课题"川南页岩气钻井工程风险评估与预警技术研究"(编号:2020116B) （编号:2020116B）
