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並列摘要


Drilling cost affects the investment benefits and program selection of drilling engineering directly. In the process of drilling, the accident time is about 3-8% of total drilling time, having a great influence on the total drilling cost. Based on analysis and adjustment of the traditional drilling engineering cost structure and the classification method, the concept of risk cost was introduced to drilling engineering cost analysis and researched the recognition and measurement of risk cost of drilling engineering, puts forward a scientific basis and analytical means for the optimization and decision-making of program design and tries to establish the theoretical research direction of drilling risk cost of our country.

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