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用室内台架变参数试验,求取钻压-钻速关系曲线族交点,是研制钻速预测图板,建立参数钻速方程,利用地层可钻性预测钻速研究工作的技术关键本文扼要介绍了我国首次利用台架变参数试验求取试验交点的试验研究概况;详细叙述了应用台架试验交点和现场钻井资料,根据相似放大原理、等概原理,用数理统计方法,进行钻速预测图板研制和建立数学模型的研究方法及步骤,文章最后对研究成果的现场应用情况作了简要的介绍。
With indoor bench variable parameter test, find the intersection of weight-pressure and rate of penetration of drilling family intersection, is the development of drilling speed prediction board, the establishment of parameter drilling rate equation, the use of formation drillability prediction drilling speed research key technology Based on the principle of similar magnification and principle of equal probability, using mathematical statistics method, we can make the prediction of the drilling speed forecasting Board research and establishment of mathematical models of the research methods and steps, the article at the end of the application of field research results made a brief introduction.