When 20 "casing depth is attained, displace hole volume with high viscosity mud."
钻达20英寸套管深度时，用高粘度泥浆替满井眼。
Traditional design methods and design methods to improve integration of the two design and comparison of results are given every reasonable under the casing depth interval.
将传统设计方法与改进设计方法结合，并将两个设计结果进行比较，给出每层套管的合理下入深度区间。
The purpose of perforation is penetrating the casing tube, cement sheath and a certain depth of the formation and forming unhindered channels for oil and gas flowing into the well casing.
射孔目的就是射穿套管、水泥环和地层内一定的深度，为地层的油气流入至井筒，形成一个顺畅的通道。
Optimizing casing retrieving depth and side-tracking point by minimum cost method due to different kinds of abandoned Wells.
根据不同类型报废井，按最低成本法优选取套深度和侧斜点。
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。
A downhole tool used to confirm or correlate treatment depth using known reference points on the casing string.
利用套管柱上的已知的基准点来确认或对比处理深度所用的井下仪器。
By means of contact test with a reference electrode underground, we measured the distribution of casing protection potential along vertical depth.
采用地下参比电极“接触测试”法，对套管实施保护后的纵向深度套管保护电位进行定量测试。
To raise wire-line drilling efficiency need to: 1. Select casing diameter and depth according to drilling depth, diameter, strata drilled and rock integrity, structure features, weathered layer depth;
提高绳索取心钻进效率要做到：一是根据孔深、钻孔孔径、钻孔所遇地层及其岩性的完整程度、构造特点、风化带发育深度等选择套管的直径及下入深度；
In the electromagnetism flowmeter logging, the casing collar curve is ordinary logging parameter for rectifying logging data depth.
在电磁流量计测井中，套管的接箍曲线作为常规的测井资料进行测量，用于测井曲线深度校正。
Finally, we suggested that the problem on stability of the bench mark may be settled in certain area by using the bench mark with a casing pipe buried in the proper depth of soil stratum.
最后指出，在某些地区，适当埋设深层套管水准标，可以解决水准标志的稳定性问题。
And the bottom hole pressure in different depths is predicted, which can be found that the casing annulus velocity declines with the depth increasing at different hole depth.
并对不同井段处的井底压力进行了预测，发现在不同的井身深度条件下，其环空流速随井身深度的增加而降低。
A log showing the depth or relative position of casing or tubing collars that is used to correlate depth for depth-sensitive applications such as perforating or isolation treatments.
表明套管接箍或油管接箍的深度或相对位置的测井。它用来在对深度敏感的情况下(如射孔或隔离处理)对比深度。
A log showing the depth or relative position of casing or tubing collars that is used to correlate depth for depth-sensitive applications such as perforating or isolation treatments.
表明套管接箍或油管接箍的深度或相对位置的测井。它用来在对深度敏感的情况下(如射孔或隔离处理)对比深度。
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