drill depth的意思|示意

The steady-state flows in drill pipe and in annulus are analyzed and the variations of pressure, gas void fraction, and multiphase-flow density along the well depth are simulated.

举例分析在环空和钻柱内的稳定流动过程中，随井深增加，压力、含气率、多相流体密度等的变化规律；

Our country is rich in depth oil and gas accumulation resources. It is difficult to drill the deep well and hard formation where the exploration and the development meets.

我国存在丰富的深层油气藏资源，勘探和开发所遇到的难题就是钻深井硬地层。

This paper compared several testing methods of carburized depth of high air pressure drill and evaluafed their accurately and practicality.

比较了高风压钻头渗碳层深度的不同检验方法 ，并对其正确性和实用性进行了探讨。

The utility model relates to a medical bone drill guiding protector with depth measurement with the functions of guiding, depth probe and protecting.

本实用新型涉及一种具有导向、测深、保护作用的医用骨钻导向测深保护器。

Pick up drill string to setting depth, record hook load of the drill string;

上提钻柱至坐封深度，并记录钻柱悬重；

The advantages can ger more clear with the increasing of drill hole depth.

随着钻孔深度的加深，其优势更为明显。