没有准确的储层有效性评价，最终将会误导射孔、试油及整个完井工作。
Inaccurate reservoir validity evaluation would mislead perforating, testing for oil and entire completion job.
本文采用格林函数和源函数方法推导出火山岩气藏裸眼完井产能评价模型。
This article use the Green function and the source function to derive volcanic gas reservoir the open hole completion productivity methods evaluation model.
钻杆测试(DST)提供了一个在完井之前评价油藏和流体性质的方法。
Drillstem testing (DST) technique provides a means of evaluating reservoir and fluid properties during drilling of a well. It can also be used in a cased well.
它的工作分两个部分，完井和生产，钻井和评价。
It operates in two segments, Completion and Production, and Drilling and Evaluation.
在研究火山岩气藏不同完井方式产能评价模型时，为了避免数值模拟的复杂性而采用半解析的方法。
In the study of volcanic gas reservoir, different completion way production methods evaluation model, in order to avoid the complexity of the numerical simulation of semi-analytical approach.
在裸眼完井产能评价模型的基础上进一步推导出火山岩气藏射孔完井和割缝衬管完井产能评价模型。
Through the open hole completion productivity evaluation model, respectively derive perforated completion and slotted completion productivity evaluation models.
其次，综合运用“层次分析法”和“模糊综合评价法”对川东北矿区油气钻井的钻前风险、钻进风险和完井风险进行系统评价，得出钻前、钻进和完井阶段的风险等级状况；
Secondly, to conduct a systematic assessment on the risks of the three stages with the integrated AHP and fuzzy evaluation method to obtained their respective degrees of risk status.
其次，综合运用“层次分析法”和“模糊综合评价法”对川东北矿区油气钻井的钻前风险、钻进风险和完井风险进行系统评价，得出钻前、钻进和完井阶段的风险等级状况；
Secondly, to conduct a systematic assessment on the risks of the three stages with the integrated AHP and fuzzy evaluation method to obtained their respective degrees of risk status.
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