There have been proposals to drill for more oil.

有人提出了钻探更多石油的建议。

《柯林斯英汉双解大词典》

youdao

Oil pools are valuable underground accumulations of oil, and oil fields are regions underlain by one or more oil pools.

油藏是珍贵的地下石油堆积物，而油田是由一个或多个油藏所组成的地下区域。

youdao

I had forgotten to add more oil to the drop of water to stop it from drying.

VOA: special.2009.07.25

I have stocks, bonds, and oil but I want also to add one more final asset, we'll call it the riskless asset, long-term bonds are somewhat uncertain and variable because they're long-term.

有股票，债券和石油,我还想再增加最后一种资产，我们称之为无风险资产，由于长期债券持有期限很长,存在一定不确定性及风险。

耶鲁公开课 - 金融市场课程节选

The greater the pressure, the more oil will be produced.

VOA: special.2009.09.29

Unsurprisingly, Shell started "finding" lots more oil and gas by reevaluating what it already had.

FORBES: Shell Shocked

These algae produce more oil than they would in the sun, the company claims.

CNN: All about algae: Can pond scum power our future?

It has slashed local energy demand, reducing chronic pollution and leaving more oil for export.

ECONOMIST: Iran's bold economic reform