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    Virginia Petroleum


    Production

    Petroleum forms from the remains of prehistoric organisms in geologic environments. "Crude oil" is a term that describes liquefied petroleum as it comes out of the ground.

    Although Virginia is a petroleum producer, in-state production accounts for only a small proportion of the petroleum consumed in state, generally less than one-tenth of one percent.

    All of Virginia’s petroleum production occurs in far southwestern Virginia’s Lee and Wise Counties. Some Lee County wells are dedicated to oil production. However, Wise County’s oil is produced from deep geologic reservoirs that also contain natural gas deposits. Extraction of gas from wells tapping these reserves sometimes yields small amounts of crude oil as byproduct. Because petroleum volumes produced from individual Virginia wells are quite small, collection tanks are located at each wellhead. Collection trucks visit each wellhead tank periodically, transporting the collected crude to central location for shipping.

    In addition to far southwestern Virginia, mineral experts also believe that crude oil reserves are located in the eastern part of the state and off the coast. However, these reserves are not currently being exploited. To meet demand at this time, Virginia also imports a variety of refined crude products from refineries in other states and overseas.

    Refining

    Prior to distribution and use by consumers, raw crude oil must be transformed into marketable products such as gasoline, kerosene, asphalt, and aviation fuel through a process known as "refining." The state of Virginia has one major refinery, at Yorktown, near the mouth of the York River.

    The predominant chemical components of crude oil are carbon (C), oxygen (O), and hydrogen (H); these elements occur in crude in a variety of molecular shapes and forms, primarily carbon-chain organic molecules. The process called "refining" separates those chemical components that are best adapted to specific uses into specific crude "fractions" as a means of manufacturing marketable products. Crude oil also contains impurities such as sulfur (S), nitrogen (N), and trace metals. Some of these impurities (especially S) are removed during the refining process, while others are concentrated within specific crude fractions during refining. Burning petroleum products produces energy by combining the crude components with oxygen (O2), releasing CO2 (carbon dioxide), H2O (water vapor), and other gases as combustion products.

    A device known as a "distillation tower" is at the heart of the crude-oil refining process. The crude oil is heated and injected at base of the distillation tower. As the vapors rise up into the tower, they encounter progressively cooler temperatures. Various molecular components condense and are collected at specific points within the tower. Heavier components (larger carbon-chain molecules, such as fuel oil) condense at relatively high temperatures, while lower molecular weight compounds (smaller molecules, such as the components of gasoline and aviation fuels) are able to rise higher in the tower before condensing. Those components that do not evaporate are used to manufacture products such as roofing tar and asphalt.

    The term "cracking" refers to the use of processes in refining to break the heavier (and less valuable) petroleum components into smaller fractions that can be used to produce higher-value products, such as gasoline.

    Transportation

    Because of the variety of petroleum-based fuels and related products that are used throughout the state, a variety of mechanisms are used to transport these products. Ships and barges, railroads, pipelines, and trucks are all essential components of the petroleum-product transportation network.

    Ocean-going vessels bring crude oil to the Yorktown refinery, often from overseas, as more than 50% of US petroleum-based fuels originate from non-domestic sources such as the Middle East, central Africa, northern Europe, and South America. In addition to raw crude oil, the US also imports refined petroleum products from non-US refineries.

    A petroleum-product pipeline network serves Virginia and the rest of the nation. Pipelines are the primary means for transporting refined petroleum products over long distances. Petroleum products are shipped through these pipelines to product terminals located throughout the state. Trucks are a common means of transporting products from these terminals to individual distribution points, such as gasoline service stations and fuel oil distributors.

    Consumption

    Petroleum-based fuels support more than one-third of Virginia's energy consumption, a larger proportion than any other primary fuel. Most of Virginia's petroleum consumption is in the form of transportation fuels, such as gasoline, diesel fuel, and aviation fuel. Many Virginians use fuel oil to heat their homes and businesses. Other products in widespread use include lubricants, asphalt, and fuel oil for industrial boilers. Petroleum-based fuels power only a small proportion of Virginia's electrical energy production (less than 5 percent).

    See EIA/DOE's Petroleum Profile: Virginia

    National Data

    Crude Oil and Petroleum Products Overview, 2000-2005 (Thousand Barrels per Day, Except Where Noted)
      2005 2004 2003 2002 2001 2000
    Field Production Total Domesticc 6,895 7,649 7,823 8,043 8,054 8,110
    Crude Oil 5,178 5,419 5,681 5,746 5,801 5,822
    Natural Gas Plant Liquids 1,717 1,809 1,719 1,880 1,868 1,911
    Stock Changea Crude Oild 129 148 84 40 99 -70
    Petroleum Products -3 61 -27 -65 96 12
    Ending Stocks (Thousand Barrels)b Petroleum Products Supplied 404,667 405,850 412,799 422,655 446,472 411,593
    Crude Oild and Petroleum Products 1,697,604 1,644,805 1,568,303 1,547,910 1,586,349 1,467,547
    Imports Total 13,714 13,145 12,264 11,530 11,871 11,459
    Crude Oile 10,126 10,088 9,665 9,140 9,328 9,071
    Petroleum Products 2,075 1,764 1,582 1,409 1,537 1,556
    Exports Total 1,165 1,048 1,027 984 971 1,040
    Crude Oile 32 27 12 9 20 50
    Petroleum Products 1,010 913 897 842 869 863
    Net Importsf 12,549 12,097 11,238 10,546 10,900 10,419


    Get the data in CSV format (2000-2005)

    Notes:
  • – = Not applicable.
  • [a] A negative number indicates a decrease in stocks and a positive number indicates an increase. Distillate stocks located in the “Northeast Heating Oil Reserve” are not included.
  • [b] Stocks are totals as of end of period. Distillate stocks located in the “Northeast Heating Oil Reserve” are not included.
  • [c] Includes crude oil, natural gas plant liquids, and other liquids. Beginning in 1993, fuel ethanol blended into finished motor gasoline and oxygenate production from merchant MTBE plants are also included.
  • [d] Includes stocks located in the Strategic Petroleum Reserve.
  • [e] Includes crude oil for storage in the Strategic Petroleum Reserve.
  • [f] Net Imports equal Imports minus Exports.
  • [g] In January 1993, bulk terminal, pipeline, and merchant-producer stocks of oxygenates were added to surveys affecting stock levels and stock change calculations.
  • Crude oil includes lease condensate.
  • Geographic coverage is the 50 States and the District of Columbia.
  • Totals may not equal sum of components due to independent rounding.


  • Source:
  • Table S1, Petroleum Supply Annual, Volume 1, EIA.

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