I am writing to inform you that the oil wells in Back Bay are still polluting our rivers and killing the fish.

我写信是为了通知您，后湾的油井仍在污染我们的河流并杀死鱼类。

Oil wells weren't drilled back then; they were essentially dug.

当时没有钻井；它们基本上是挖出来的。

A person who owns or operates oil wells.

拥有或经营石油井的人。

This war is about liberty. Oil wells deserve liberty, too.

这场战争是自由之战，因为油井也应该享有自由！

Kuwait oil wells yield nearly 500 times more than US wells.

科威特油井产油几乎五百倍于美国油井。

Or you say, No, we've got a field of ten oil wells.

或者，你会说，“不，我们这个油田有十口油井。

The workers are trying to make use of those old oil-wells.

工人们正在设法利用那些旧油井。

The normal production of oil wells will be influenced greatly when liquid is accumulated in the bottom of the wells.

当油气井井底存在积液时，会极大地影响油井的正常生产。

The practice proves that the technology is an effective means for removing blocks in the zone close to oil wells and recovering and increasing output of oil wells.

实践表明，该技术是一种解除油层近井地带堵塞、恢复并提高油井产量的一种有效途径。

Dynamograph is an important method to master the conditions of the oil wells.

示功图是掌握油井整体运行工况的一个重要方法。