Tongliao Formula works easily and conveniently when power circuit wire section of village motor - pumped well is calculated.

计算农村机井电力线路导线截面时，《通辽公式》简便可行。

youdao

Gas pressure gradually dies out, and oil is pumped from the well.

气体压力逐渐消失，石油从井里泵出。

youdao

Since August 21 when there was an accident at the Montara offshore drilling rig's well head, around 403, 000 litres of oil have been pumped into the Timor Sea.

自8月21日蒙达拉海上钻井平台的井口发生事故以来，约403,000公升石油被注入帝汶海。

youdao

The BP company pumped heavy drilling fluids,known as mud, into the top of its damaged well in the Gulf of Mexico.

VOA: special.2010.08.07

In fracking, a mixture of water, sand and some chemicals is pumped into a well under high pressure to force the gas from the rock.

BBC: Gas fracking: Ministers approve shale gas extraction

More than 10 drillers have already received Department of Environmental Protection permission to use mine discharges for fracking, a technique in which millions of gallons of water, along with chemical additives and sand, are pumped down a well to break apart gas-bearing shale deposits.

WSJ: Pa. pushes drillers to frack with coal mine water

For example, Italy and the Netherlands, which have had considerable domestic natural gas production over the years, have the majority of their production offshore, but fracing can only be conducted from an onshore site because it requires immense amounts of freshwater to be pumped down the well.

FORBES: Poland: Fracing On The Rise?