When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Hydrocarbon exploration - Wikipedia

    en.wikipedia.org/wiki/Hydrocarbon_exploration

    Seismic reflection survey being conducted in Saudi Arabia, circa 1960.A controlled explosion generates seismic waves that are detected by geophones.. Visible surface features such as oil seeps, natural gas seeps, pockmarks (underwater craters caused by escaping gas) provide basic evidence of hydrocarbon generation (be it shallow or deep in the Earth).

  3. Isopach map - Wikipedia

    en.wikipedia.org/wiki/Isopach_map

    Isopach map showing true stratigraphic thickness of Holocene sediments deposited offshore of Pacifica, California. An isopach map (/ ˈ aɪ s oʊ p æ k /) illustrates thickness variations within a tabular unit, layer or stratum.

  4. Total petroleum hydrocarbon - Wikipedia

    en.wikipedia.org/wiki/Total_Petroleum_Hydrocarbon

    Total petroleum hydrocarbons (TPH) is a term used for any mixture of hydrocarbons that are found in crude oil. There are several hundred of these compounds, but not all occur in any one sample.

  5. Oil reserves in Iran - Wikipedia

    en.wikipedia.org/wiki/Oil_reserves_in_Iran

    Proven oil reserves in Iran, according to its government, rank fourth largest in the world at approximately as of 2013, although it ranks third if Canadian reserves of unconventional oil are excluded. [1]