This paper analyzes the factors which affect the quality of casing running during casing running operation.
分析在下套管作业中，影响其作业质量的因素。
Well completion technique is key to successfully drill extended reach well a nd casing running is one of difficulty.
大位移井完井技术是关系到大位移井成功与否的关键，而套管的顺利下入是该技术的难点之一。
It connects with threads on both ends of pipe body, which allows a smaller casing O. D. and increases annular gap to facility casing running in and improve cementing quality.
无接箍式套管靠管体两端的螺纹连接，所以套管外径尺寸小，可增大环形间隙，便于套管下入和提高固井质量。
Small-clearance casing, playing an important role in cementing, can enlarge the effective cementing clearance, facilitate the casing running-in, and improve the cement bond quality.
窄间隙套管可有效增大固井间隙，有利于套管的下入和水泥封固质量的提高，具有重要的用途。
By solving the mechanical model, the casing bearing forces can be obtained under the conditions of different hole types, mud density, casing suspension length and casing running ways.
通过对模型的求解，可以得到不同井眼类型、泥浆密度、悬浮长度以及不同下套管方案下的套管受力，为大位移井下套管作业提供了力学参考。
Predicting and controlling the hook load and casing running depth in the process of completing extended reach Wells is one of the key factors to ensure the completion to be successful.
大位移井在套管下入过程中大钩载荷和套管可下入深度的预测是大位移井成功完井的关键因素之一。
The main reason that casing falls to the hole by breaking off thread is casing thread quality can't reach the criteria, and the management of casing running into the hole is not strict.
套管脱扣落井的主要原因是套管扣加工质量达不到规范要求，以及套管入井管理不严造成的。
It is designed specifically to replace a solid body type centralizer for casing running applications and severe well geometries when run in horizontal, long ERD, J-type, S-type and other well designs.
该扶正器最初的设计目的在于替换固体式扶正器，用于下套管作业，以及复杂井身结构，如水平井、大位移井、J -型井、S -型井和具有其他井身结构设计的井。
There inside he found a beautiful gold pocket watch. Running his fingers slowly over the finely etched casing, he unlatched the cover.
里面是一个漂亮的金怀表，手指轻轻地划过精致的表壳，他打开了怀表。
准备下套管。
In addition, must be slowly while running the casing, prevent to make the formation lose circulation.
还有，下套管时，一定要慢，避免把地层蹩漏。
Hole enlargement through the Tertiary system and the Carboniferous system in test Wells are less than 6%, therefore, got a successful completion logging and running casing strings.
试验井三叠系、石炭系平均井径扩大率小于6%，完井电测及下套管固井等作业顺利。
The slurries are injected into well before running in casings with closed bottom end and then running casing make the slurry be squeezed into annulus to improve cementing bonding in small annulus.
若将水泥浆先注入井中，再将下端封闭的套管下入井内，把水泥浆挤入环形空间，就能保证环空有饱满的水泥浆。
NSE plate chain elevator is comprised of running parts, drive, upper device, middle casing and lower device.
NSE板链式提升机由运行部件、驱动装置、上部装置、中部机壳、下部装置组成。
The bending failure stability accrued with the increase of the running load, when the small size casing, which was run into the wellbore under the deep well, encountered the resistance.
深井小尺寸套管下入遇阻时，随着下放力的增加，将产生失稳弯曲。
Before running casing string, we must calculate drag in wellbore and make the feasibility analysis of running casing string.
在套管下入之前，必须计算套管在实钻井眼中的受力大小，预测套管柱下入的可行性。
Before running casing string, we must calculate drag in wellbore and make the feasibility analysis of running casing string.
在套管下入之前，必须计算套管在实钻井眼中的受力大小，预测套管柱下入的可行性。
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