Bottomhole的例句大全

Three-dimensional bottomhole assembly model BHA directional behavior

三维井底钻具组合模式底部钻具组合定向特性

The study shows that the integrated method proposed considering bottomhole pressure change more properly reflects the dynamic reserves in pre-production phase.

由于提出的方法考虑了井底压力的变化，计算结果更能反映试采过程中的动储量。

influence of wellhead back pressure and gas injection rate on bottomhole pressure

井口回压和注气量对井底压力的影响

experimental study on the characteristics of fluid distribution at bottomhole of pdc bits

PDC钻头井底液流分布特性的实验研究

and the jet flow field of 4 nozzles of a pdc bit is tested by simulating the bottomhole flow field of the bit.

在模拟PDC钻头井底流场的条件下，对PDC钻头4个喷嘴的射流流场进行了测试。

by studying the shape of bottomhole pattern, the paper has mainly made an approach to the bottomhole pattern characteristics, presented a group of characteristic parameters, and obtained the close relation between these parameters and the type of rock bit by fuzzy cluster.

通过对井底模式形状的研究，对井底模式特征进行了探讨，提出了一组特征量，并用Fuzzy聚类方法分析得出特征量和钻头结构密切相关。

drawing and fuzzy cluster analysis of characteristic parameters of bottomhole pattern

井底模式特征量的提取与模糊聚类分析

calculating model of critical bottomhole pressure of sand production and its application

油井出砂临界井底流压计算模型及应用

development of a real-time bottomhole pressure acquisition transmission system

一种井底压力实时采集传输系统的研制

whole structural design of the diaphragm pressure converter used in bottomhole

分隔式井下增压器的整体结构设计

a study of characteristic bottomhole flow field of jet bit

喷射钻头井底流场特性的研究与应用

mechanism and parameter study of jet hydraulic drilling for decreasing bottomhole pressure

射流式水力降压钻井机理与参数研究

analysis of vibration property for drilling string and discussion on recognition method of bottomhole lithology

钻柱振动特性分析与井底岩性识别方法初探

a numerical study on cross flow characteristics of a jet impinging on the bottomhole

撞击射流井底漫流特性数值研究

numerical simulation of pressure characteristics of multi jets impinging on the bottomhole

多股受限撞击射流井底压力特征的数值模拟

the hydraulic design principle and field test of bottomhole differential pressure decreasing nipple are introduced.

提出了最新研制的井底降压差短节的设计原理，介绍了其水力参数设计和现场试验情况。

many calculating methods of bottomhole flowing pressure on multiphase vertical tube flow have been proposed.

半个多世纪以来，国内外学者已经提出了许多垂直管多相流井底流压的计算方法。

nonlinear dynamic analysis for bottomhole assembly

下部钻具组合的几何非线性动态特性分析

relation between bottomhole pattern and hit structure

井底模式与钻头结构关系

three-dimensional differential equations for bottomhole assembly under large deflection

下部钻具组合三维大挠度微分方程的详细推导