To be sure, some older oil drilling ventures are still moving forward.

So even though small amounts of the old oil may remain, it won't clog the system.

There was a lobster crawling on an old oil drum right in front of me.

At this time, you want something mutually soluble with the old oil.

It looked like opal, but in the old oil she couldn't be sure.

His body was hung up on an old oil drum that floated down there too.

It's as if one old oil well gave birth to six new gushers.

When performing a fluid change some of the old oil will not drain out.

"I cannot say that the old oil would not have prevented rust."

A lot of the old oil had leaked out.