upstream

Toward or closer to the source of a stream; in the direction opposite to that of the current.

At an earlier point in a production process or supply chain.

Being or moving closer to the source of a stream; in the direction opposite to that of the current.

Earlier in a production process or supply chain.

To stream, flow, or flame up: as, upstreaming flames.

Toward the higher part of a stream; against the current: as, to row up-stream.

Of or pertaining to the upper part of a stream; moving against the current.

Toward the higher part of a stream; against the current.

in a direction against the flow of a current or stream; upriver

involving exploration and pre-production rather than refining and selling