在注水泥作业中一般使用两种类型的胶塞。
Two types of cementing plug are typically used on a cementing operation.
多级注水泥作业用来在对长套管柱注水泥时避免使地层破裂。
A multistage cement job is used to avoid fracturing the formation when cementing long casing strings.
为使水泥浆压入井筒管子中的渗漏通道而设计的补注水泥作业。
A remedial cementing operation designed to force cement into leak paths in wellbore tubulars.
顶替型打开塞用于连续式双级注水泥作业，也适用与在斜井中使用。
The pump-down opening plug is used for continuous cementing operation and in deviated Wells.
解决注水泥作业的防气窜问题，是提高固井质量，保护油气层的关键技术。
It is a key technique of raising cement job quality and protecting oil and gas reservoirs to solve the problem of gas channeling prevention in cementing job.
安装在套管柱底部附近的一个部件，在初次注水泥作业期间水泥塞坐放于其上。
A component installed near the bottom of the casing string on which the cement plugs land during the primary cementing operation.
一种套管井测井方法，用于评价套管外注水泥作业。最常用的是水泥胶结测井。
A well log runs in a cased hole to evaluate the cement job behind the casing. The cement-bond log is the most common.
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。
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.
一种装置，用于在注水泥作业过程中悬挂胶塞，直到将其释放并在注水泥作业中沿套管内泵入。
A device used to hold plugs until they are released and pumped down the casing during cementing operations.
然后应用流体力学理论，推导出最优水泥浆动切力的计算公式，为现场注水泥作业提供了理论依据。
The calculating formula of optimum yield point of cement slurry in cementing has been deduced upon fluid mechanics, which can be taken as the theoretical basis of cementing calculation in oilfield.
新引入的高性能旋转接头改善并优化了注水泥作业前的井眼清洁效果，带来了完美的泵入及上提打水泥作业。
The introduction of the new high performance swivel improved and optimized the well cleaning before the cement job and this contributed to a flawless pump and pull cement job.
在油气井注水泥作业中，常常需要在水泥浆与泥浆之间注入一段具有特殊技术性能流体，这段流体就称为前置液。
During the primary cementing process, usually we pump some fluid with special technical performance between mud and cement slurries. It is called ahead fluid.
超细防气窜水泥浆体系具有防气窜、低密度、低失水、抗水泥石高温强度退化等优点，适用于超深油气井注水泥作业。
This cement slurry provides good properties such as low density, low filtration, gas channeling prevention and stable compressive strength at high temperature.
深度越大，为完成注水泥作业所需的时间越长，而且由于升高的温度对水泥浆凝固过程的影响，因而对水泥浆缓凝的需求也越高。
The need for cement retardation increases with depth due to the greater time required to complete the cementing operation and the effect of increased temperature on the cement-setting process.
固井作业中，首要解决的是注水泥顶替泥浆的问题。
During cementing operations, the major issue to be addressed is the displacement of drilling fluid by cement slurry.
固井作业中，首要解决的是注水泥顶替泥浆的问题。
During cementing operations, the major issue to be addressed is the displacement of drilling fluid by cement slurry.
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