Am Do., 27. Feb. 2020 um 00:23 Uhr schrieb Joseph Eisenberg < joseph.eisenb...@gmail.com>:
> Different tags are used for petroleum wells vs water wells because > they look totally different do they? Have a look at this short clip that shows a water well: https://www.youtube.com/watch?v=2lkoCCCQytc > and their function for the general map > user is quite distinct. indeed > > An oil or gas well has a fire-hydrant like structure on top called a > "Christmas tree" or a pumping rig like a "pump jack" - you will not > mistake them for a water well. > You will use a pump jack for the extraction of liquids, so I would say their presence will exclude a gas-only well. > > According to these sources, the term "petroleum" can include both > natural gas and crude oil: > > > http://energy4me.org/all-about-energy/what-is-energy/energy-sources/petroleum/ > > "Oil and natural gas together make petroleum. Petroleum, which is > Latin for rock oil, is a fossil fuel, meaning it was made naturally > from decaying prehistoric plant and animal remains. It is a mixture of > hundreds of different hydrocarbons molecules containing hydrogen and > carbon that exist sometimes as a liquid (crude oil) and sometimes as a > vapor (natural gas)." > > https://www.appea.com.au/oil-gas-explained/oil-and-gas/what-is-petroleum/ > > "Petroleum is a general term for oil and natural gas." > > So a man_made=petroleum_well is a natural gas or crude oil well, but > many (most?) petroleum wells produce both oil and gas. > this is fine, so we already have it structured nicely ;) For oil wells, gas will usually also be extracted (but not always used), but for gas only wells we could have a subtag to man_made=petroleum_well Is there something in use? Otherwise we would be loosing information compared to man_made=gas_well. Cheers Martin
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