It provides reference for similar well drilling operations.

旨在为类似地层钻井作业提供参考.

Early failure occurred to offshore petroleum well drilling pipeline.

海上石油钻井管线发生早期穿孔失效。

In CBM well drilling construction, oil drilling techniques are basically adopted.

在煤层气钻井施工中, 基本上采用石油钻井工艺.

The jet action can largely improve ROP during oil gas well drilling.

在油气井钻进过程中,射流对井底的作用可大幅度提高钻速.

Drilling technologies have also been studied to meet the requirements of horizontal well drilling with under-balance pressure by air injection.

为全面满足注气欠平衡钻水平井新技术的要求，初步拟定了配套的钻井工艺。

Correct use of rate of penetration will give many aids to mud logging and well drilling.

正确应用钻时,能够给录井和钻井施工提供很多帮助.

In well-drilling project, corrosion of drill steel and pipeline is ubiquitous phenomena.

油田钻具和管道系统腐蚀是油田工程中普遍存在的问题。

It will become the leading technology in the shallow sea oilfield well drilling technology.

它将成为滩海油田钻井技术中的主导技术.

If pre-drilling mode was taken in an offshore oil development, PGB-free well drilling technology might be adopted for supplementary wells when the PGB slots were totally occupied.

采用预钻井方式开发的海上油气田，对水下钻井基盘钻井槽孔用完后增钻的调整井，可采用无基盘钻井方式作业。

Therefore lost circulation has always been an urgent technical problem in the process of well drilling.

所以,井漏一直是钻井工作中亟需解决的技术难题.