The remainder is trapped in the oil reservoir by various means.

The produced water is then either injected back into the oil reservoir, disposed of or treated.

An oil reservoir was positioned in the tail piece.

The oil reservoir is located at a depth of 3,050 metres.

"Then that tore a fuel line or broke the oil reservoir."

"However, the oil reservoir is not only on Japanese soil, though they think it is."

But you may have an older style motor with an oil reservoir.

The oil reservoir is located at a depth of 9,000 feet (2,740 metres).

The horizontal method gives producers access to more of an oil reservoir.

On these models, the transmission also houses the engine's oil reservoir.