It had required Sam's reference to gas and crude oil to close the circuit.
Is this patent of yours on a process of making gas from crude oil?
A drill-boring was made, and I was shown a sample of the crude Oil.
Since 1859 it has produced more than forty million gallons of crude oil.
He believed it might be duplicated from crude oil, properly refined.
The crude oil drawn from the last fish we had killed served for it.
Paraffine is made from crude oil, as is kerosene and gasolene.
To discover a carburettor which would vaporize this crude oil was difficult.
The crude oil is almost black, and consists of about 85 per cent.
This crude oil is then melted and stored in sheds, ready for transportation.