井筒

模具盘在井筒装备中的应用

Application of model tool plate in rockshaft equip

该技术通过井下CCD摄像机直接对井筒和套管内壁进行摄像扫描，实现对套管的套损程度检测。

It directly scans and screens to the shaft and casing inwall with the CCD cameras to detect the casing damage .

马丽散N型注浆材料在井筒堵水中的应用

Application of N maleic acid in blocking up water grouting

CO2吞吐期间井筒及油层温度场及其对CO2吞吐效果的影响

Temperature Distribution in Pay Zones during Cyclic Injection of Liquefied CO_2 , and Effects on Oil Increment of CO_2 Huff-puff

HEGF中CO井筒流动及扩散规律研究

Well-bore flow and diffusion law study of CO in HEGF

提出了改进ISA（InverseSolutionAlgorithm）方法，可以更准确地确定井筒附近储集层渗透率分布。

The distribution of reservoir permeability near the wellbore can be determined more exactly by the improved method of ISA ( Inverse Solution Algorithm ) .

同时，也考察了井筒压力、气油比、风速、气体泄放速率、大气稳定度等主要因素对CO气体扩散的影响。

Meanwhile , the influence factor of CO , such as , wellbore pressure , gas-oil ratio , wind speed , leakage speed , and air permanence are reviewed .

考虑关井后井筒存储效应的DST压力卡片的解释方法

DST pressure history analysis with wellbore storage effect

在以上Laplace空间解式的基础上，方便地求解出考虑表皮系数和井筒存储系数影响的井底压力。

Based on the solution in Laplace space , the skin factor and storage coefficient are considered in solving the equations conveniently .

针对这一现象，运用现场数据以及物理模拟和数学模拟方法首次通过对CO气体流动、扩散等的综合研究，建立了CO井筒流动及大气扩散模型。

In survey of this phenomenon , using spot date 、 physical and mathematics stimulant method , flowage and diffusion are studied and wellbore flow and air diffusion model of CO are established .

推导了井筒温度场和裂缝温度场模型，并编制了相应的VB程序，在裂缝延伸几何尺寸中考虑了温度的影响。

Both wellbore and fracture temperature field model were given out , as well as the modeling programm . Further more , the temperature effect was taken into account while the fracture extending modeling .

由新引进的变量AD和BD之间的直线关系，求出了井筒存储系数C值。同时，给出了井筒污染系数S值。

By the linear relationship between newly introduced variable A D and B D , wellbore storage coefficient ( C ) has been reached , meanwhile , wellbore 's damage coefficient ( S ) has been given .

基于所建立的油藏-井筒耦合数学模型，研制了考虑井眼周围储层应力变化的油藏&井筒多相流耦合的一体化数值模拟系统（RWCS）。

Successfully developed a multiphase flow numerical simulation system coupling reservoir-wellbores ( RWCS ) according to the above model .

利用不稳定渗流数学模型预测不同时间产能，从本质上改进了传统的油气井流入动态IPR的预测，建立井筒与油藏耦合作用下的不稳态产能预测方法，从而改进了目前的生产系统分析方法。

In this paper , transient flow mathematics model is applied to predict the productivity for all time . This approach improves essentially the prediction of IPR , and uses unsteady productivity prediction by coupling reservoir and wellbore method .

利用Newmark直接积分方法对动力学模型进行求解，可获得任意位置处抽油杆柱扭矩载荷随时间变化曲线、任意时刻沿井筒侧向位移等。

The torque curve of the pumping rod string with time at any position and the lateral displacement of the pumping rod string at any moment are obtained by solving the dynamic model with Newmark direct integration method .

我们认为湍流压效应可能就是造成有效温度低因而辐射压也低的RGB星产生强星风，以及AGB星产生超星风的物理原因。射孔完井水平井筒变质量湍流压降规律研究

And this may be the mechanism for driving the strong stellar winds of RGB stars and AGB stars with very low surface temperature and faint radiation pressure . PRESSURE DROP OF VARIABLE MASS FLOW IN HORIZONTAL PERFORATED WELL BORE

对沿井筒的压力降和流入剖面进行了实例计算。

Pressure drop and inflow profile along a wellbore is calculated .

电潜泵井井筒温度分布模型的建立及应用

Modeling of temperature distribution in well bore with electric submersible pump

冻结井筒地层变化施工技术对策

The Construction Technology in Freezing Shaft of Change For the Stratum

预测井筒压力及温度分布的机理模型

Mechanism Model for Predicting the Distributions of Wellbore Pressure and Temperature

破裂井筒侧摩阻力分析

The analysis of the lateral resistance on the fractured shaft wall

斜井井筒涌水量数学模型及计算的研究

Study on mathematical model and calculation for INCLI-NED shaft water discharging

竖井的玻璃钢复合材料井筒装备

On Equipments with Fiberglass Reinforced Plastic Complex Material of Vertical Shaft

井口声发射井筒液气浸检测&时延估计方法

Wellhead acoustic emissive gas influx detection : time delay estimation methods

高压深井测试前的井筒评价

Well Bore Evaluation Before Well Testing in High-Pressure and Deep Well

刚性井筒装备动力响应模拟试验研究

Research on Dynamic Response of Rigid Shaft Furniture with Model Test

水平井筒流体变质量流动压力梯度模型

Pressure gradient model for variable mass fluid flow in horizontal wellbore

浅谈立井井筒装备一次成型法施工

Talking about the construction of shaft equipment forming in one time

模具盘在混合井井筒装备安装中的应用

Application of die plate in shaft equipment installation of multi-purpose shaft

梁家煤矿井筒掘进中地面预注浆技术分析

Analysis of the Pre-Grouting Technique for Shaft-Sinking in Liang Jia Colliery