下套管

非均匀地应力下套管变形和整形复位分析

Mechanics Analysis of Casing Deformation Under Non-uniform In-situ Stress and Its Repair

随钻下套管技术&在我国南海油田的首次应用

Casing While Drilling Technique First Application in China Nanhai

钻井完井高温高压H2S/CO2共存条件下套管、油管腐蚀研究

Study on Corrosion Behavior on casing and tubing during drilling and completion operations in HTHP h2s / co2 environment

考虑井架起升、最大钩载和下套管等三种最为危险的工况，用ANSYS有限元分析软件计算出了井架对底座的作用载荷，分析了底座各部分的受力和变形。

Considering derrick rising , maximum hook load and casing installation three most dangerous working conditions , calculate the load that the derrick putting on the substructure with the ANSYS finite element analysis software , analyze the force and deformation on each part of the substructure .

同时，还应用了国外先进的大位移井技术：MWD随钻测量技术、LWD随钻测井技术、GST地质导向钻井技术及漂浮接箍下套管技术。

At the same time , advanced horizontal drilling technologies of abroad are also adopted , e. g. , MWD and LWD technology , GST drilling technology , and floating collar casing running , etc.

用有限元素法数值模拟SBT测井贴井壁的点声源激励下套管井中接收到的声压波形。

Finite Element Method ( FEM ) is used in simulating the acoustic pressure waveforms of the acoustic field stimulated by a point source adhering to the casing according to analyzing the measuring theory of Segmented Bond Tool ( SBT ) .

对不同垂深、不同位移的大位移井在钻井和下套管过程中的摩阻和扭矩分析表明，采用水基钻井液能够钻成位移小于3000m的大位移井，且可以下入178mm套管；

The analysis on friction drag of extended reach wells with different vertical depths and different displacements in drilling and casing running indicates that a water-base drilling fluid can be used to drill extended reach wells with displacement less than 3 000 m with Φ 178 mm casing running ;

组合载荷下套管柱强度设计的三向应力圆理论

Using Triaxial Stress Circle to Design Casing Strength under Combined Loads

水泥浆失水制约下套管与井眼间隙的研究

Study on Casing-Wellbore Clearance Determined by Fluid Loss of Cement Slurry

围岩压力下套管承载能力的研究

A Study on the Load-Carrying Ability of Casings Under Confining Pressure

膨胀套管技术在侧钻井完井工程的应用研究下套管射孔井的产能

Application Research of Expandable Casing in Completion Engineering of Sidetrack Wells

长效地应力机制下套管应力与抗挤强度理论研究

Theoretical Study of Casing Stress and Strength under Long-Term In-Situ Stresses

下套管射孔井的产能双机双泵固井水泥车安全稳定性分析

Safety and Stability Analysis for Oil-well-solidifying Cement Truck with Dual-engines and Dual-pumps

非均匀载荷作用下套管挤压强度有限元分析

Finite Analysis on the Extrusive Intensity of Casing Pipe under Non-symmetrical Load

漂浮下套管技术在大港油田埕海一区的应用

Application of Casing Floating Technology in Chenghai Block One of Dagang Oilfield

不同胶结情况下套管井中声场激发谱的研究

Study of the Excited Acoustic Spectroscopy in Cased Hole under Different Bonded Conditions

预测宾汉流体中最大下套管速度的实用方法

A practical method of prediction of maximum pipe introducing speed in Bingham fluid

提高下套管作业质量的技术及配套设备

Technology of improving the quality of casing running operation and its matching equipments

大斜度定向井的下套管技术

Technique of Setting Casing in Deflection Well with High-Inclination

油田注入水环境下套管腐蚀失效分析

Failure Analysis of Casing Corrosion in Injected Oilfield Environment

非均匀地应力下套管受力影响因素研究

Factors affecting the casing stress under non-uniform in-situ stress

上套管和下套管通过螺纹管连接在一起。

The upper sleeve is connected with the lower sleeve via a threaded tube .

下套管安全施工参数计算软件手机版的开发

Development of a mobile phone version software for safe parameters calculation of casing running

钻孔下套管方法综述

A Review on Drill Hole Casing Methods

非均匀载荷下套管强度的计算

Calculation of casing strength under nonuniform loading

打水泥塞并放弃或继续下套管。

Plug and abandon or run pipe .

准备下套管。

Prepare for running casing .

微重力下套管式蓄冰器的充释冷特性分析

Performance analysis of the charge and discharge characteristics of annular tube ice thermal storage device under microgravity

分析在下套管作业中，影响其作业质量的因素。

This paper analyzes the factors which affect the quality of casing running during casing running operation .

下套管末段为气液混合流体出口。

The end section of the lower sleeve is the outlet of the air , liquid mixing fluid .