The underground dynamic fluid field, i. e. underground fluid potential, is an essential factor to control migration and accumulation of hydrocarbons.

控制烃类运移和聚集的根本因素是地下流体动力场，也就是地下流体势。

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Based on static mechanism and kinetic equation of underground fluid, the model for calculating the height of the water cone with curvilinear side surface is established.

基于静力学原理和地下流体的运动规律方程，建立了底水油藏水锥体侧斜面为曲线情况下的水锥高度模型。

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According to the reservoir and underground fluid properties of Gudong 2 area, injected cross? Linked polymer system fitting to Gudong 2 area has been developed successfully.

针对孤东二区油藏及地下流体特点，成功地研制了适于孤东二区注入的交联聚合物体系。

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But perhaps frackers, who inject high-pressure fluid into rocks deep underground to release natural gas, are beginning to improve themselves.

FORBES: Can No-Water Fracking Quiet Critics?

In its review of incidents of drinking water well contamination believed to be associated with hydraulic fracturing, EPA found no confirmed cases that are linked to fracturing fluid injection into CBM wells or subsequent underground movement of fracturing fluids.

FORBES: EPA's Fracking Hysteria