Using this theory, the cost controlling method of drilling and completion projects can be regulated so as to reduce the project cost and make work and management more efficiency.

这种思路的提出，可以规范钻完井项目成本控制方法，为项目降低成本、提高工作效率和管理水平具有一定的指导性。

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After drilling, logging and completion operation, a well immediately faces the problem how to achieve high and steady yields.

一口油井在经过钻井、测井和完井等复杂的作业后，接下来面临的难题就是实现高质量的、稳定的采油作业。

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It is important for the drilling and completion to learn about accurate distribution of circulating temperature in the wellbore.

准确的井下循环温度对钻井与完井工程十分重要。

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They test nearby water wells to determine the level of naturally-occurring methane and other contamination before and after drilling in order to ensure that their drilling and completion activities have not caused any issues.

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It will use most of the money to fund the completion of its temporary drilling programme, planning applications and feasibility studies for the project, called York Potash.

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The relief wells require drilling to depths of perhaps 2 -3 miles, hence the seemingly long schedule for their expected completion.

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