介绍用VB开发钻井井下事故诊断专家系统的过程。
The process of using VB to develop expert system to diagnose drilling downhole accidents was introduced.
大多数先前管委会申请开发钻井作业前，1985年。
Most of the preceding MC applications were developed in drilling operations before 1985.
由于固定平台难以移动，因而它主要用于已发现的海上油气田的开发钻井。
Because it is hard to move a fixed platform, it is used primarily in development drilling over known offshore fields.
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