Heavy oil：Heavy Oil vs. Light Oil
Heavy Oil vs. Light Oil
重油
https://zh.wikipedia.org
重油，又稱燃料油，是原油提取汽油、柴油後的剩餘重質油，其特點是分子量大、黏度高。重油的比重一般在0.82～0.95，熱值在10,000～11,000kcal/kg左右。
Heavy crude oil
https://en.wikipedia.org
Heavy crude oil is highly viscous oil that cannot easily flow from production wells under normal reservoir conditions. It is referred to as heavy because ...
heavy oil
https://tw.dictionary.yahoo.co
heavy oil ... ph. 重油. 牛津中文字典 · Yahoo奇摩字典.
Viscosity of Crude Oil
https://wiki.anton-paar.com
Extra-heavy crude oil: API gravity below 10 °API (higher than 1000 kg/m³). The API degrees indicate whether a crude oil floats on water or sinks. Light crude ...
Heavy Oil
https://www.sciencedirect.com
Heavy oil refers to a type of crude oil with high viscosity and low API gravity, making it challenging to recover from subsurface reservoirs.
Heavy Oil — Sources
https://studentenergy.org
Heavy Oil is a form of unconventional oil that is thick and highly viscous, and therefore does not flow to production wells under normal reservoir conditions.
What is Heavy Oil and How is it Formed?
https://www.rigzone.com
Heavy oil is a type of crude oil characterized by an asphaltic, dense, viscous nature (similar to molasses), and its asphaltene (very large molecules)
Heavy oil
https://wiki.factorio.com
Heavy oil is a liquid produced by refining crude oil in an oil refinery, or extracted in Fulgora using an offshore pump.