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硬地层

网络hard formation

硬地层

硬地层

硬地层

hard formation

钻井中的键槽是指什么_教育问答 ... 95.gas showing 气显示 96.hard formation 硬地层 97.hole sin 井眼尺寸 ...

1

Suitable for coring in medium hard formation with abrasiveness . Core recovery rate is high .

适用于带研磨性的中硬地层取芯，取芯收获率高。

2

The technology represents the trend of efficient drilling hard formation .

它代表着高效钻越硬地层的一个发展方向。

3

A new type bottom hole assembly is provided for drilling in high angle deviated and hard formation .

为大倾角硬地层易斜区防斜打快提供了一种新型的钻具组合类型。

4

The heavyset gage design provides for long runs on steerable systems through hard and abrasive formations .

高强度的规径设计使其在含一定研磨性的硬地层中导向钻进可获得长寿命。

5

Failure accident are liable to occur in the deep well and hard formation . Fatigue faliure is the main faliure form .

特别是在深井作业中及硬地层，容易发生失效事故，其中疲劳失效是主要的失效形式。

6

The penetration rate by air dust drilling in the hard and dry formation can reach 16 .

空气粉尘钻井在干硬地层机械钻速达到 16 。

7

Quickly Drilling Technology and Hitting Target in the Bottom Hard Formation in the Well Po-2

坡 2 井下部硬地层井段快速钻井中靶工艺技术

8

Underground diaphragm walls constructed in two- layered stratum

上软下硬地层地下连续墙施工技术

10

Construction technology of trench for diaphragm wall in the upper soft and lower hard stratum

上软下硬地层地下连续墙成槽施工

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