oil field

They are opening up a new oil field.

他们正在开发新的。

Those who protect the oil field will be rewarded.

保护者有奖。

Steel derricks rose to meet our eyes as we drew nearer to the oil fields.

我们快到时看到矗立的井架。

Correlation matrix and calculation method of joint parameter of network for low osmose oil field are established, which offer a favorable method for solving network problem with computer.

建立地面网络的相关矩阵及节点的参数计通式，为计机处理地面网络问题有利手段。

This expulsion process of geopressured system is episodic and generally forms big oil field or gas field in the transition zone of pressure and normal pressure zone in geopressured basin.

这一喷溢过程以幕式活动形式周而复始，在超压盆地的过渡带和常压带中形成大的气藏。