UPSTREAM
Upstream
The oil and gas industry is usually divided into three major sectors: upstream, midstream and downstream. The upstream oil sector is also commonly known as the exploration and production sector.The above text is a snippet from Wikipedia: Upstream (petroleum industry)
and as such is available under the Creative Commons Attribution/Share-Alike License.
upstream
Adjective
- in a direction against the flow of a current or stream; upriver
- involving exploration and pre-production rather than refining and selling
- in the direction from the client to the server
- towards the leading end (5'end) of a DNA molecule
Adverb
upstream
- against the current
The above text is a snippet from Wiktionary: upstream
and as such is available under the Creative Commons Attribution/Share-Alike License.