Based on the characteristics of environmental scientific drilling and in accordance with the main problems existed, this research project centres on the coring technique and the borehole wall and core protection technique by drilling fluid.
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美
- 本研究根據環(huán)境科學(xué)鉆探的特點(diǎn)和存在的主要問(wèn)題,重點(diǎn)開(kāi)展取心技術(shù)和鉆井液護壁護心技術(shù)研究,以解決環(huán)境科學(xué)鉆探工程中取心率低、孔壁穩定性差這兩大技術(shù)難題。
