A mixed-fluid reservoir will stratify according to fluid density, with gas at the top, oil in the middle, and water below.

具有混合流体的储层将会依流体密度分层，气在顶部，油在中部，而水在底部。

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A well-stimulation treatment in which a gas, usually carbon dioxide or nitrogen, is mixed with water and acid and pumped down a well.

一种气体(通常为二氧化碳或氮气)与水和酸混合并沿井向下泵入的井增产处理。

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The first Wells were shallow and the gas was mixed with water, which would freeze in the winter, making distribution impossible.

最初的井都较浅，天然气和水混合在了一起。水在冬天会结冰，导致无法输送天然气。

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Hydraulic fracturing, or fracking, pumps millions of gallons of water mixed with fine sand and chemicals deep into oil and gas wells to crack gas-bearing rock.

WSJ: NY groups claim industry bias in fracking study

Hydraulic fracturing or "fracking" is a process of forcing water mixed with chemicals through deep wells to shatter and crack hard shale rocks to release the gas inside.

BBC: Hydraulic fracturing