stability of flotation

Study on the float density and purification capacity of Eichhornia crassipes;

凤眼莲漂浮密度与净化能力的研究

Working principle of casing floating,flotation package,the calculation of flotation length and operation procedure were introduced.

主要介绍了漂浮下套管技术原理,套管漂浮组件、漂浮长度的计算和作业程序,以及漂浮下套管技术在大港油田埕海一区大位移井的应用情况。