基岩钻探方法以采取普通硬质合金清水回转垂直取心钻进，覆盖层采用干钻。

For bedrock drilling ordinary hard alloy driller can be adopted for vertical core-drilling with the addition of clear water during rotation. for overburden dry drilling process can be adopted.

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濮检3井是一口密闭取心检查井，钻探目的是为油田后期挖潜提供基础数据，为其它老油田水淹层解释模型建立提供数据。

Well Pujian3 is an inspection well drilled to provide basic data for later exploration of Pucheng oilfield and water flooded layer interpretation simulation of other mature oilfields.

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根据科学钻探对岩心的特殊要求，认为金刚石取心钻头是科学深钻取心钻进较理想的选择。

Diamond core bit is preferred for coring operation in terms of the special requirements of scientific drilling.

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