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The oil and gas industry is usually divided into three major sectors: upstream (also called exploration and production or E&P), midstream and downstream. [1] [2] The upstream sector includes searching for potential underground or underwater crude oil and natural gas fields, drilling exploratory wells, and subsequently operating the wells that recover and bring the crude oil or raw natural gas ...
Upstream development allows other distributions to benefit from it when they pick up the future release or merge recent (or all) upstream patches. [1] Likewise, the original authors (maintaining upstream) can benefit from contributions that originate from custom distributions, if their users send patches upstream.
The oil and gas industry is usually divided into three major sectors: upstream, midstream, and downstream. The downstream sector is the refining of petroleum crude oil and the processing and purifying of raw natural gas, [1] as well as the marketing and distribution of products derived from crude oil and natural gas.
Projects and technology – manages the delivery of Shell's major projects, provides technical services and technology capability covering both upstream and downstream activities. It is also responsible for providing functional leadership across Shell in the areas of health, safety and environment, and contracting and procurement.
The oil and gas industry is usually divided into three major components: upstream, midstream and downstream. The midstream sector involves the transportation (by pipeline , rail, barge, oil tanker or truck), storage, and wholesale marketing of crude or refined petroleum products.
These vital energy assets are then offered up to upstream (energy production) and downstream (chemicals and refining) players for their use. A person in protective gear welding an energy pipeline.
For example, a patch sent downstream is offered to the developers or maintainers of a forked software project. If accepted, the developers or maintainers will include the patch in their software fork, either immediately or in a future release. For contrast, see Upstream (software development), code sent toward the original development team.
Upstream activities typically include the exploration and appraisal, development and construction, and production of oil and gas. The sector in Australia is dominated by international companies including Apache, BHP, Chevron, ConocoPhillips, ExxonMobil, Santos, Shell and Woodside.