Drilling a development well results in either an oil or gas development well or a dry development well.

所钻的开发井可能成为产油或气的开发井，也可能为干井。

youdao

Drilling a development well results in either an oil or gas development well or a dry development well.

所钻的开发井可能成为产油或气的开发井，也可能为干井。

youdao