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本文的目的是简述气举反循环钻进中各参数间的关系及提举量的计算方法. 一、气举法提举效率的计算目前有许多种气举法的分析计算模式,经过实践的检验均获得不同程度的认可.联邦德国Karlsruhe大学提举技术研究所,近年来对影响气举钻进因素进行了深入的
The purpose of this paper is to briefly describe the relationship between the parameters of the lift and the calculation method of the lifting capacity of the gas lift reverse-circulation drilling.First, the calculation of the lifting efficiency of gas lift method There are many kinds of analysis and calculation mode of gas lift method, through practice Of the tests have received varying degrees of recognition of the Federal Republic of Germany Karlsruhe University Institute of lifting technology in recent years, the impact of gas drilling into the factors in-depth