National Oil Companies List by Country

In the oil and natural gas industry, there is a group of companies called the National Oil Companies (NOCs). Unlike the private oil companies like Exxon(XOM), BP(BP), etc. the NOCs are majority or fully owned by the government of the country where they are located. For example, Pemex, the largest oil company of Mexico is …

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How Are Different Types of Crude Oil Classified?

Have you ever wondered why crude oil is called as sweet crude, light crude, sour crude, light sweet crude, etc. ? Crude oil is classified based on two factors: API Gravity and Sweetness. 1.API Gravity: 1.API Gravity is oil’s density to water and ranges from “light” to “heavy”. The market’s preferred type is the “light” …

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What Are National Oil Companies? : Chart

National Oil Companies (NOCs) are owned fully or partially by the state. Unlike the major supermajors like Exxon Mobile(XOM), BP(BP), Total(TOT), etc. the NOCs are controlled by the state though they may publicly listed as well. Some of the large oil companies in the world such as  China Petroleum & Chemical Corp (SNP) and PetroChina (PTR) …

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