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The petroleum industry, also known as the oil industry or the oil patch, includes the global processes of
exploration Exploration refers to the historical practice of discovering remote lands. It is studied by geographers and historians. Two major eras of exploration occurred in human history: one of convergence, and one of divergence. The first, covering most ...
,
extraction Extraction may refer to: Science and technology Biology and medicine * Comedo extraction, a method of acne treatment * Dental extraction, the surgical removal of a tooth from the mouth Computing and information science * Data extraction, the pr ...
, refining,
transportation Transport (in British English), or transportation (in American English), is the intentional movement of humans, animals, and goods from one location to another. Modes of transport include air, land ( rail and road), water, cable, pipelin ...
(often by
oil tanker An oil tanker, also known as a petroleum tanker, is a ship designed for the bulk transport of oil or its products. There are two basic types of oil tankers: crude tankers and product tankers. Crude tankers move large quantities of unrefined ...
s and pipelines), and marketing of petroleum products. The largest volume products of the industry are fuel oil and
gasoline Gasoline (; ) or petrol (; ) (see ) is a transparent, petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines (also known as petrol engines). It consists mostly of organic c ...
(petrol).
Petroleum Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crud ...
is also the raw material for many chemical products, including pharmaceuticals,
solvent A solvent (s) (from the Latin '' solvō'', "loosen, untie, solve") is a substance that dissolves a solute, resulting in a solution. A solvent is usually a liquid but can also be a solid, a gas, or a supercritical fluid. Water is a solvent for ...
s,
fertilizer A fertilizer (American English) or fertiliser (British English; see spelling differences) is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from ...
s,
pesticide Pesticides are substances that are meant to control pests. This includes herbicide, insecticide, nematicide, molluscicide, piscicide, avicide, rodenticide, bactericide, insect repellent, animal repellent, microbicide, fungicide, and ...
s, synthetic
fragrances An aroma compound, also known as an odorant, aroma, fragrance or flavoring, is a chemical compound that has a smell or odor. For an individual chemical or class of chemical compounds to impart a smell or fragrance, it must be sufficiently v ...
, and
plastic Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adapta ...
s. The industry is usually divided into three major components:
upstream Upstream may refer to: * Upstream (bioprocess) * ''Upstream'' (film), a 1927 film by John Ford * Upstream (networking) * ''Upstream'' (newspaper), a newspaper covering the oil and gas industry * Upstream (petroleum industry) * Upstream (software ...
, midstream, and downstream. Upstream regards exploration and extraction of
crude oil Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crude ...
, midstream encompasses transportation and storage of crude, and downstream concerns refining crude oil into various end products. Petroleum is vital to many industries, and is necessary for the maintenance of industrial
civilization A civilization (or civilisation) is any complex society characterized by the development of a state, social stratification, urbanization, and symbolic systems of communication beyond natural spoken language (namely, a writing system). ...
in its current configuration, making it a critical concern for many nations. Oil accounts for a large percentage of the world’s energy consumption, ranging from a low of 32% for
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
and
Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an are ...
, to a high of 53% for the
Middle East The Middle East ( ar, الشرق الأوسط, ISO 233: ) is a geopolitical region commonly encompassing Arabian Peninsula, Arabia (including the Arabian Peninsula and Bahrain), Anatolia, Asia Minor (Asian part of Turkey except Hatay Pro ...
. Other geographic regions' consumption patterns are as follows: South and
Central America Central America ( es, América Central or ) is a subregion of the Americas. Its boundaries are defined as bordering the United States to the north, Colombia to the south, the Caribbean Sea to the east, and the Pacific Ocean to the west. ...
(44%),
Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
(41%), and
North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and th ...
(40%). The world consumes 36 billion
barrels A barrel or cask is a hollow cylindrical container with a bulging center, longer than it is wide. They are traditionally made of wooden staves and bound by wooden or metal hoops. The word vat is often used for large containers for liquids, u ...
(5.8 km³) of oil per year, with developed nations being the largest consumers. The
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
consumed 18% of the oil produced in 2015. The production, distribution, refining, and retailing of petroleum taken as a whole represents the world's largest industry in terms of dollar value. The oil and gas industry spends only 0,4% of its net sales for Research & Development which is in comparison with a range of other industries the lowest share. Governments such as the United States government provide a heavy public subsidy to petroleum companies, with major tax breaks at various stages of oil exploration and extraction, including the costs of oil field leases and drilling equipment. In recent years, enhanced oil recovery techniques — most notably multi-stage drilling and hydraulic fracturing ("fracking") — have moved to the forefront of the industry as this new technology plays a crucial and controversial role in new methods of oil extraction.


History


Prehistory

Petroleum is a naturally occurring liquid found in rock formations. It consists of a complex mixture of hydrocarbons of various molecular weights, plus other organic compounds. It is generally accepted that oil is formed mostly from the carbon rich remains of ancient plankton after exposure to heat and pressure in
Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's sur ...
's crust over hundreds of millions of years. Over time, the decayed residue was covered by layers of mud and silt, sinking further down into Earth’s crust and preserved there between hot and pressured layers, gradually transforming into oil reservoirs.


Early history

Petroleum Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crud ...
in an unrefined state has been utilized by humans for over 5000 years. Oil in general has been used since early
human history Human history, also called world history, is the narrative of humanity's past. It is understood and studied through anthropology, archaeology, genetics, and linguistics. Since the invention of writing, human history has been studied thro ...
to keep fires ablaze and in warfare. Its importance to the world economy however, evolved slowly, with
whale oil Whale oil is oil obtained from the blubber of whales. Whale oil from the bowhead whale was sometimes known as train oil, which comes from the Dutch word ''traan'' (" tear" or "drop"). Sperm oil, a special kind of oil obtained from the head ...
being used for lighting in the 19th century and wood and coal used for heating and cooking well into the 20th century. Even though the
Industrial Revolution The Industrial Revolution was the transition to new manufacturing processes in Great Britain, continental Europe, and the United States, that occurred during the period from around 1760 to about 1820–1840. This transition included going f ...
generated an increasing need for energy, this was initially met mainly by coal, and from other sources including whale oil. However, when it was discovered that
kerosene Kerosene, paraffin, or lamp oil is a combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in aviation as well as households. Its name derives from el, κηρός (''keros'') meaning " wax", and was re ...
could be extracted from
crude oil Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crude ...
and used as a lighting and heating fuel, the demand for petroleum increased greatly, and by the early twentieth century had become the most valuable commodity traded on world markets.Halliday, Fred. The Middle East in International Relations: Cambridge University Press: USA, p. 270


Modern history

Imperial Russia produced 3,500 tons of oil in 1825 and doubled its output by mid-century. After oil drilling began in the region of present-day
Azerbaijan Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of th ...
in 1846, in
Baku Baku (, ; az, Bakı ) is the capital and largest city of Azerbaijan, as well as the largest city on the Caspian Sea and of the Caucasus region. Baku is located below sea level, which makes it the lowest lying national capital in the world an ...
, the
Russian Empire The Russian Empire was an empire and the final period of the Russian monarchy from 1721 to 1917, ruling across large parts of Eurasia. It succeeded the Tsardom of Russia following the Treaty of Nystad, which ended the Great Northern War ...
built two large pipelines: the 833 km long pipeline to transport oil from the Caspian to the
Black Sea The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, Rom ...
port of Batum (Baku-Batum pipeline), completed in 1906, and the 162 km long pipeline to carry oil from
Chechnya Chechnya ( rus, Чечня́, Chechnyá, p=tɕɪtɕˈnʲa; ce, Нохчийчоь, Noxçiyçö), officially the Chechen Republic,; ce, Нохчийн Республика, Noxçiyn Respublika is a republic of Russia. It is situated in the ...
to the Caspian. The first drilled oil wells in Baku were built in 1871-1872 by
Ivan Mirzoev Ivan Mirzoev ( arm, Հովաննես Միրզոյան) (died 1880) was an Armenian businessman, the first person to drill oil in Baku and is considered one of the "founding fathers" of the Baku oil industry. He founded the Mirzoev Brothers oil compa ...
, an Armenian businessman who is referred to as one of the 'founding fathers' of Baku's oil industry. At the turn of the 20th century, Imperial Russia's output of oil, almost entirely from the
Apsheron Peninsula The Absheron Peninsula ( az, Abşeron yarımadası) is a peninsula in Azerbaijan. It is the location of Baku, the biggest and the most populous city of the country, and also the Baku metropolitan area, with its satellite cities Sumqayit and Khyrd ...
, accounted for half of the world's production and dominated international markets.Shirin Akiner, Anne Aldis. ''The Caspian: Politics, Energy and Security''. Routledge, 2004. P. 5. Nearly 200 small refineries operated in the suburbs of Baku by 1884. As a side effect of these early developments, the Apsheron Peninsula emerged as the world's "oldest legacy of oil pollution and environmental negligence". In 1846 Baku (Bibi-Heybat settlement) featured the first ever well drilled with percussion tools to a depth of 21 meters for oil exploration. In 1878
Ludvig Nobel Ludvig Immanuel Nobel ( ; russian: Лю́двиг Эммануи́лович Нобе́ль, Ljúdvig Emmanuílovich Nobél’; sv, Ludvig Emmanuel Nobel ; 27 July 1831 – 12 April 1888) was a Swedish-Russian engineer, a noted businessman and a ...
and his
Branobel The Petroleum Production Company Nobel Brothers, Limited, or Branobel (short for братьев Нобель "brat'yev Nobel" — "Nobel Brothers" in Russian), was an oil company set up by Ludvig Nobel and Baron Peter von Bilderling. It operated ...
company "revolutionized oil transport" by commissioning the first
oil tanker An oil tanker, also known as a petroleum tanker, is a ship designed for the bulk transport of oil or its products. There are two basic types of oil tankers: crude tankers and product tankers. Crude tankers move large quantities of unrefined ...
and launching it on the
Caspian Sea The Caspian Sea is the world's largest inland body of water, often described as the world's largest lake or a full-fledged sea. An endorheic basin, it lies between Europe and Asia; east of the Caucasus, west of the broad steppe of Central A ...
.
Samuel Kier Samuel Martin Kier (July 19, 1813 – October 6, 1874) was an American inventor and businessman who is credited with founding the American petroleum refining industry. He was the first person in the United States to refine crude oil into lam ...
established America's first oil refinery in Pittsburgh on Seventh avenue near Grant Street in 1853. Ignacy Łukasiewicz built one of the first modern oil-refineries near Jasło (then in the Austrian dependent Kingdom of Galicia and Lodomeria in Central European Galicia), present-day Poland, in 1854–56. Galician refineries were initially small, as demand for refined fuel was limited. The refined products were used in artificial asphalt, machine oil and lubricants, in addition to Łukasiewicz's
kerosene lamp A kerosene lamp (also known as a paraffin lamp in some countries) is a type of lighting device that uses kerosene as a fuel. Kerosene lamps have a wick or mantle as light source, protected by a glass chimney or globe; lamps may be used on a ta ...
. As kerosene lamps gained popularity, the refining industry grew in the area. The first commercial oil-well in Canada became operational in 1858 at Oil Springs, Ontario (then Canada West). Businessman James Miller Williams dug several wells between 1855 and 1858 before discovering a rich reserve of oil four metres below ground. Williams extracted 1.5 million litres of crude oil by 1860, refining much of it into kerosene-lamp oil. Some historians challenge Canada's claim to North America's first oil field, arguing that
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
's famous
Drake Well The Drake Well is a oil well in Cherrytree Township, Venango County in the U.S. state of Pennsylvania, the success of which sparked the first oil boom in the United States. The well is the centerpiece of the Drake Well Museum located south of ...
was the continent's first. But there is evidence to support Williams, not least of which is that the Drake well did not come into production until August 28, 1859. The controversial point might be that Williams found oil above bedrock while
Edwin Drake Edwin Laurentine Drake (March 29, 1819 – November 9, 1880), also known as Colonel Drake, was an American businessman and the first American to successfully drill for oil. Early life Edwin Drake was born in Greenville, New York on March 2 ...
’s well located oil within a bedrock
reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contr ...
. The discovery at Oil Springs touched off an oil boom which brought hundreds of speculators and workers to the area. Canada's first gusher (flowing well) erupted on January 16, 1862, when local oil-man John Shaw struck oil at 158 feet (48 m). For a week the oil gushed unchecked at levels reported as high as 3,000 barrels per day. The first modern oil-drilling in the United States began in West Virginia and Pennsylvania in the 1850s.
Edwin Drake Edwin Laurentine Drake (March 29, 1819 – November 9, 1880), also known as Colonel Drake, was an American businessman and the first American to successfully drill for oil. Early life Edwin Drake was born in Greenville, New York on March 2 ...
's 1859 well near
Titusville, Pennsylvania Titusville is a city in the far eastern corner of Crawford County, Pennsylvania, United States. The population was 5,601 at the 2010 census and an estimated 5,158 in 2019. Titusville is known as the birthplace of the American oil industry and for ...
, typically considered the first true modern oil well, touched off a major boom.John Steele Gordon
"10 Moments That Made American Business," ''American Heritage'', February/March 2007 - "Drake, who seems to have awarded himself the title of colonel by which he is often known, had a great deal of trouble persuading a salt-drilling crew to try to drill for oil, but on August 27, 1859, he struck it at 69 feet."
Vassiliou, Marius (2018). Historical Dictionary of the Petroleum Industry, 2nd Ed. Lanham, MD: Rowman and Littlefield, 621 pp. In the first quarter of the 20th century, the United States overtook Russia as the world's largest oil producer. By the 1920s, oil fields had been established in many countries including Canada, Poland, Sweden, Ukraine, the United States, Peru and Venezuela. The first successful
oil tanker An oil tanker, also known as a petroleum tanker, is a ship designed for the bulk transport of oil or its products. There are two basic types of oil tankers: crude tankers and product tankers. Crude tankers move large quantities of unrefined ...
, the ''Zoroaster'', was built in 1878 in Sweden, designed by
Ludvig Nobel Ludvig Immanuel Nobel ( ; russian: Лю́двиг Эммануи́лович Нобе́ль, Ljúdvig Emmanuílovich Nobél’; sv, Ludvig Emmanuel Nobel ; 27 July 1831 – 12 April 1888) was a Swedish-Russian engineer, a noted businessman and a ...
. It operated from
Baku Baku (, ; az, Bakı ) is the capital and largest city of Azerbaijan, as well as the largest city on the Caspian Sea and of the Caucasus region. Baku is located below sea level, which makes it the lowest lying national capital in the world an ...
to Astrakhan. A number of new tanker designs developed in the 1880s. In the early 1930s the Texas Company developed the first mobile steel barges for drilling in the brackish coastal areas of the
Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United ...
. In 1937 Pure Oil Company (now part of Chevron Corporation) and its partner
Superior Oil Company Superior Oil Company was an American oil company founded in 1921 in Coalinga, California, by William Myron Keck, Superior Oil began as a drilling contracting firm and grew into the exploration and production of oil and natural gas. In 1930 the co ...
(now part of
ExxonMobil Corporation ExxonMobil Corporation (commonly shortened to Exxon) is an American multinational oil and gas corporation headquartered in Irving, Texas. It is the largest direct descendant of John D. Rockefeller's Standard Oil, and was formed on November 30, ...
) used a fixed platform to develop a field in of water, one mile (1.6 km) offshore of Calcasieu Parish, Louisiana. In early 1947 Superior Oil erected a drilling/production oil-platform in of water some 18 miles off
Vermilion Parish, Louisiana Vermilion Parish (french: Paroisse de Vermillion) is a parish located in the U.S. state of Louisiana, created in 1844. The parish seat is Abbeville. Vermilion Parish is part of the Lafayette metropolitan statistical area, and located in south ...
. Kerr-McGee Oil Industries, as operator for partners Phillips Petroleum ( ConocoPhillips) and Stanolind Oil & Gas ( BP), completed its historic Ship Shoal Block 32 well in November 1947, months before Superior actually drilled a discovery from their Vermilion platform farther offshore. In any case, that made Kerr-McGee's Gulf of Mexico well, Kermac No. 16, the first oil discovery drilled out of sight of land. Forty-four Gulf of Mexico exploratory wells discovered 11 oil and natural gas fields by the end of 1949. During
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
(1939–1945) control of oil supply from Romania, Baku, the Middle East and the
Dutch East Indies The Dutch East Indies, also known as the Netherlands East Indies ( nl, Nederlands(ch)-Indië; ), was a Dutch colony consisting of what is now Indonesia. It was formed from the nationalised trading posts of the Dutch East India Company, whic ...
played a huge role in the events of the war and the ultimate victory of the
Allies An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
. The Anglo-Soviet invasion of Iran (1941) secured Allied control of oil-production in the Middle East. The expansion of Imperial Japan to the south aimed largely at accessing the oil-fields of the Dutch East Indies. Germany, cut off from sea-borne oil supplies by Allied blockade, failed in Operation Edelweiss to secure the
Caucasus The Caucasus () or Caucasia (), is a region between the Black Sea and the Caspian Sea, mainly comprising Armenia, Azerbaijan, Georgia, and parts of Southern Russia. The Caucasus Mountains, including the Greater Caucasus range, have historica ...
oil-fields for the Axis military in 1942, while Romania deprived the
Wehrmacht The ''Wehrmacht'' (, ) were the unified armed forces of Nazi Germany from 1935 to 1945. It consisted of the ''Heer'' (army), the '' Kriegsmarine'' (navy) and the ''Luftwaffe'' (air force). The designation "''Wehrmacht''" replaced the previo ...
of access to Ploesti oilfields - the largest in Europe - from August 1944. Cutting off the East Indies oil-supply (especially via submarine campaigns) considerably weakened
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...
in the latter part of the war. After World War II ended in 1945, the countries of the
Middle East The Middle East ( ar, الشرق الأوسط, ISO 233: ) is a geopolitical region commonly encompassing Arabian Peninsula, Arabia (including the Arabian Peninsula and Bahrain), Anatolia, Asia Minor (Asian part of Turkey except Hatay Pro ...
took the lead in oil production from the United States. Important developments since World War II include deep-water drilling, the introduction of the drillship, and the growth of a global shipping network for petroleum - relying upon oil tankers and pipelines. In 1949 the first offshore oil-drilling at Oil Rocks (Neft Dashlari) in the Caspian Sea off Azerbaijan eventually resulted in a city built on pylons. In the 1960s and 1970s, multi-governmental organizations of oil–producing nations - OPEC and
OAPEC The Organization of Arab Petroleum Exporting Countries (OAPEC) is a multi-governmental organization headquartered in Kuwait which coordinates energy policies among oil-producing Arab nations. OAPEC's primary objective is safeguarding the cooperati ...
- played a major role in setting petroleum prices and policy. Oil spills and their cleanup have become an issue of increasing political, environmental, and economic importance. New fields of hydrocarbon production developed in places such as Siberia,
Sakhalin Sakhalin ( rus, Сахали́н, r=Sakhalín, p=səxɐˈlʲin; ja, 樺太 ''Karafuto''; zh, c=, p=Kùyèdǎo, s=库页岛, t=庫頁島; Manchu: ᠰᠠᡥᠠᠯᡳᠶᠠᠨ, ''Sahaliyan''; Orok: Бугата на̄, ''Bugata nā''; Nivkh ...
,
Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th ...
and North and West Africa. With the advent of hydraulic fracturing and other horizontal drilling techniques, shale play has seen an enormous uptick in production. Areas of shale such as the Permian Basin and Eagle-Ford have become huge hotbeds of production for the largest oil corporations in the United States.


Structure

The
American Petroleum Institute The American Petroleum Institute (API) is the largest U.S. trade association for the oil and natural gas industry. It claims to represent nearly 600 corporations involved in production, refinement, distribution, and many other aspects of the ...
divides the petroleum industry into five sectors: *
upstream Upstream may refer to: * Upstream (bioprocess) * ''Upstream'' (film), a 1927 film by John Ford * Upstream (networking) * ''Upstream'' (newspaper), a newspaper covering the oil and gas industry * Upstream (petroleum industry) * Upstream (software ...
(
exploration Exploration refers to the historical practice of discovering remote lands. It is studied by geographers and historians. Two major eras of exploration occurred in human history: one of convergence, and one of divergence. The first, covering most ...
, development and production of crude oil or natural gas) * downstream ( oil tankers, refiners, retailers and consumers) * pipeline * marine * service and supply


Upstream

Oil companies used to be classified by sales as ''" supermajors"'' ( BP,
Chevron Chevron (often relating to V-shaped patterns) may refer to: Science and technology * Chevron (aerospace), sawtooth patterns on some jet engines * Chevron (anatomy), a bone * '' Eulithis testata'', a moth * Chevron (geology), a fold in rock la ...
, ExxonMobil, ConocoPhillips, Shell,
Eni Eni S.p.A. () is an Italian multinational energy company headquartered in Rome. Considered one of the seven "supermajor" oil companies in the world, it has operations in 69 countries with a market capitalization of US$54.08 billion, as of 11 Ap ...
and TotalEnergies), ''"majors",'' and ''"independents" or "jobbers".'' In recent years however, National Oil Companies (NOC, as opposed to IOC, International Oil Companies) have come to control the rights over the largest oil reserves; by this measure the top ten companies all are NOC. The following table shows the ten largest national oil companies ranked by reservesRanking by oil reserves and production, 2006 values and by production in 2012. Most upstream work in the oil field or on an oil well is
contract A contract is a legally enforceable agreement between two or more parties that creates, defines, and governs mutual rights and obligations between them. A contract typically involves the transfer of goods, services, money, or a promise to tr ...
ed out to drilling contractors and oil field service companies. Aside from the NOCs which dominate the Upstream sector, there are many international companies that have a market share. For example: * BG Group * BHP * ConocoPhillips *
Chevron Chevron (often relating to V-shaped patterns) may refer to: Science and technology * Chevron (aerospace), sawtooth patterns on some jet engines * Chevron (anatomy), a bone * '' Eulithis testata'', a moth * Chevron (geology), a fold in rock la ...
*
Eni Eni S.p.A. () is an Italian multinational energy company headquartered in Rome. Considered one of the seven "supermajor" oil companies in the world, it has operations in 69 countries with a market capitalization of US$54.08 billion, as of 11 Ap ...
* ExxonMobil * First Texas Energy Corporation * Hess * Marathon Oil
oil company
petroleum products *
OMV OMV (formerly abbreviation for Österreichische Mineralölverwaltung Aktiengesellschaft ('' en, Austrian Mineral Oil Administration Stock Company'')) is an Austrian multinational integrated oil, gas and petrochemical company which is headquart ...
* TotalEnergies * Tullow Oil * Rosneft


Midstream

Midstream operations are sometimes classified within the downstream sector, but these operations compose a separate and discrete sector of the petroleum industry. Midstream operations and processes include the following: * Gathering: The gathering process employs narrow, low-pressure pipelines to connect oil- and gas-producing wells to larger, long-haul pipelines or processing facilities. * Processing/refining: Processing and refining operations turn crude oil and gas into marketable products. In the case of crude oil, these products include heating oil,
gasoline Gasoline (; ) or petrol (; ) (see ) is a transparent, petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines (also known as petrol engines). It consists mostly of organic c ...
for use in vehicles,
jet fuel Jet fuel or aviation turbine fuel (ATF, also abbreviated avtur) is a type of aviation fuel designed for use in aircraft powered by gas-turbine engines. It is colorless to straw-colored in appearance. The most commonly used fuels for commercial a ...
, and diesel oil. Petroleum refining processes, Oil refining processes include distillation, vacuum distillation, catalytic reforming, catalytic cracking, alkylation, isomerization and hydrotreating. Natural-gas processing, Natural gas processing includes Gas compressor, compression; glycol dehydration; Amine gas treating, amine treating; separating the product into pipeline-quality natural gas and a stream of mixed natural gas liquids; and fractionation, which separates the stream of mixed natural gas liquids into its components. The fractionation process yields ethane, propane, butane, isobutane, and natural gasoline. * Transportation: Oil and gas are transported to processing facilities, and from there to end users, by pipeline, Barge, tanker/barge, Trucking industry in the United States, truck, and Rail transport, rail. Pipelines are the most economical transportation method and are most suited to movement across longer distances, for example, across continents. Tankers and barges are also employed for long-distance, often international transport. Rail and truck can also be used for longer distances but are most cost-effective for shorter routes. * Storage: Midstream service providers provide storage facilities at Oil depot, terminals throughout the oil and gas distribution systems. These facilities are most often located near refining and processing facilities and are connected to pipeline systems to facilitate shipment when product demand must be met. While petroleum products are held in storage tanks, natural gas tends to be stored in underground facilities, such as salt dome caverns and depleted reservoirs. * Technological applications: Midstream service providers apply technological solutions to improve efficiency during midstream processes. Technology can be used during compression of fuels to ease flow through pipelines; to better detect Leak detection, leaks in pipelines; and to automate communications for better pipeline and equipment monitoring. While some upstream companies carry out certain midstream operations, the midstream sector is dominated by a number of companies that specialize in these services. Midstream companies include: * Aux Sable * Bridger Group * DCP Midstream Partners * Enbridge Energy Partners * Enterprise Products Partners * Genesis Energy * Gibson Energy * Inergy, Inergy Midstream * Kinder Morgan Energy Partners * ONEOK, Oneok Partners * Plains All American * Sunoco Logistics * Targa Resources, Targa Midstream Services * Targray, Targray Natural Gas Liquids * TransCanada Corp., TransCanada * Williams Companies


Environmental impact


Water pollution

Some petroleum industry operations have been responsible for water pollution through by-products of refining and oil spills. Though hydraulic fracturing has significantly increased natural gas extraction, there is some belief and evidence to support that consumable water has seen increased in methane contamination due to this gas extraction. Leaks from underground tanks and abandoned refineries may also contaminate groundwater in surrounding areas. Hydrocarbons that comprise refined petroleum are resistant to biodegradation and have been found to remain present in contaminated soils for years. To hasten this process, bioremediation of petroleum hydrocarbon pollutants is often employed by means of aerobic degradation. More recently, other bioremediative methods have been explored such as phytoremediation and thermal remediation.


Air pollution

The industry is the largest industrial source of emissions of volatile organic compounds (VOCs), a group of chemicals that contribute to the formation of ground-level ozone (smog). The combustion of fossil fuels produces greenhouse gases and other air pollutants as by-products. Pollutants include nitrogen oxides, sulphur dioxide, volatile organic compounds and Heavy metal (chemistry), heavy metals. Researchers have discovered that the petrochemical industry can produce ground-level ozone pollution at higher amounts in winter than in summer.


Climate change

The greenhouse gases due to fossil fuels drive climate change. Already in 1959, at a symposium organised by the
American Petroleum Institute The American Petroleum Institute (API) is the largest U.S. trade association for the oil and natural gas industry. It claims to represent nearly 600 corporations involved in production, refinement, distribution, and many other aspects of the ...
for the centennial of the American oil industry, the physicist Edward Teller warned then of the danger of global climate change. Edward Teller explained that carbon dioxide "in the atmosphere causes a greenhouse effect" and that burning more fossil fuels could "melt the icecap and submerge New York".Benjamin Franta
"On its 100th birthday in 1959, Edward Teller warned the oil industry about global warming"
''The Guardian'', 1 January 2018 (page visited on 2 January 2018).
The Intergovernmental Panel on Climate Change, founded by the United Nations in 1988, concludes that Human impact on the environment, human-sourced greenhouse gases are Attribution of recent climate change, responsible for most of the Instrumental temperature record, observed temperature increase since the middle of the twentieth century. As a result of climate change concerns, many alternative energy enthusiasts have begun using other methods of energy such as solar and wind, among others. This recent view has some petroleum enthusiasts skeptical about the true future of the industry.


See also


Notes and references


Further reading

* * Nevins, Alan. ''John D. Rockefeller The Heroic Age Of American Enterprise'' (1940); 710pp; favorable scholarly biography
online

Ordons Oil & Gas Information & News
* Robert Sobel ''The Money Manias: The Eras of Great Speculation in America, 1770–1970'' (1973) reprinted (2000). * Daniel Yergin, ''The Prize: The Epic Quest for Oil, Money, and Power'', (Simon and Schuster 1991; paperback, 1993), . * Matthew R. Simmons, ''Twilight in the Desert: The Coming Saudi Oil Shock and the World Economy'', John Wiley & Sons, 2005, . * Matthew Yeomans, ''Oil: Anatomy of an Industry'' (New Press, 2004), . * Smith, GO (1920): Where the World Gets Its Oil: National Geographic, February 1920, pp 181–202 * Marius Vassiliou, ''Historical Dictionary of the Petroleum Industry, 2nd Ed.''. Lanham, MD: Rowman & Littlefield, 2018, 621 pp. . * * Miryusif Mirbabayev, ''Concise History of Azerbaijani Oil''. Baku, Azerneshr, (2008), 340pp. * Miryusif Mirbabayev, ''Brief history of the first drilled oil well; and the people involved - Oil-Industry History (USA), 2017, v.18, #1, p.25-34. * James Douet, ''The Heritage of the Oil Industry TICCIH Thematic Study - The International Committee for the Conservation of the Industrial Heritage, 2020, 79pp.


External links


Mir-Yusif Mir-Babayev: Petroleum History. The first Baku oil magazine


* [http://www.petroleumworld.com/eveditorial20123101.htm Mir-Yusif Mir-Babayev: Brief history of oil and gas production] {{DEFAULTSORT:Petroleum Industry Petroleum industry, Fossil fuels Industries (economics)