Casing and Cementing的意思|示意

It can couple with two plugs simultaneously, and makes the drilling fluid fill into casing in turn and quickly. This can simplify the cementing operation, prevent cement pollution.

可同时装两个胶塞，既可用于常规双塞固井，又可用于连续式双级注水泥作业。

In strength of casing, based on analyzing the influences made by cementing, perforating and non-uniform, the concept of decrease factor of casing strength.

在套管的强度方面，分析了水泥坏、射孔、非均匀载荷等套管强度的影响，提出了套管强度减弱系数的概念。

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。

A small gap that can form between the casing or liner and the surrounding cement sheath, most commonly formed by variations in temperature or pressure during or after the cementing process.

在套管或衬管与周围的水泥环之间所形成的小间隙，这些间隙是由于在固井期间或固井之后温度或压力的变化所致。

Casing-cement sheath and formation formed a vertical hydraulic isolation system; hydraulic isolation ability of the system formed by cementing mainly depends on defection and strength of the system.

固井水泥凝固后形成了一个纵向上的水力封隔系统，影响这个系统水力封隔能力的因素包括系统的缺陷和系统的强度。

Rotating casing is helpful to improve effectively mud displacement efficiency and thus improve cementing quality.

旋转套管可以有效提高水泥浆顶替效率，从而提高固井质量。