الزيوت المعدنيه

Mineral oil or liquid petroleum
is a by-product in the distillation of petroleum to produce gasoline and
other petroleum based products from crude oil. It is a transparent,
colorless oil composed mainly of alkanes (typically 15 to 40 carbons)[1]
and cyclic paraffins, related to white petrolatum. It has a density of
around 0.8 g/cm3.[2] Mineral oil is a substance of relatively low value,
and it is produced in very large quantities. Mineral oil is available
in light and heavy grades, and can often be found in drug stores.

In the late 1800s, the term "mineral oil" or "rock oil" was first used
to describe the petroleum hydrocarbons and associated products that were
produced from wells that tapped underground reservoirs. The term
differentiated petroleum hydrocarbons produced from underground sources
from other common oil sources at the time such as "palm" oil or "whale"
oil. In today's petroleum exploration and production (E&P) business,
the phrase "mineral oil" is most often used in legal documents to
define and encompass all of the liquid hydrocarbon and gaseous products
produced from wells drilled into underground petroleum-bearing
reservoirs

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