The advantages of the slim hole such as reducing cost of drilling, eliminating the risk of the exploration as well as being beneficial to the environment has caught oil field's attention.
小井眼具有可降低钻井成本，减小勘探风险，有利于环保倍受石油界广泛重视。
But when according to the site conditions determined to crack a drilling section with oblique relations, hole spacing can enlarge exploration.
但当根据现场条件确定的钻探剖面与地裂缝呈斜交关系时，勘探孔间距可以适当放大。
TPY-30 drilling machine is a type of shallow-hole drilling machine for exploration, it is suitable for drilling in soil, sand soil and medium harden rock drilling.
主tpy - 30型钻机是一种液压浅孔物探普查钻孔机，该机主要适用于土层，沙土层和中硬岩层中的钻进。
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