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data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p><b>Sour crude oil</b> is <a href="/wiki/Petroleum" title="Petroleum">crude oil</a> containing a high amount of the impurity <a href="/wiki/Sulfur" title="Sulfur">sulfur</a>. It is common to find crude oil containing some impurities. When the total sulfur level in the oil is more than 0.5% (by weight), the oil is called "sour".<sup id="cite_ref-CTT_1-0" class="reference"><a href="#cite_note-CTT-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The impurities need to be removed before this lower-quality crude can be refined into <a href="/wiki/Petrol" class="mw-redirect" title="Petrol">petrol</a>, thereby increasing the cost of processing. This results in a higher-priced gasoline than that made from <a href="/wiki/Sweet_crude_oil" title="Sweet crude oil">sweet crude oil</a>.<sup id="cite_ref-CTT_1-1" class="reference"><a href="#cite_note-CTT-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Current environmental regulations in the United States strictly limit the sulfur content in refined fuels such as <a href="/wiki/Diesel_fuel" title="Diesel fuel">diesel</a> and <a href="/wiki/Gasoline" title="Gasoline">gasoline</a>. </p><p>The majority of the sulfur in crude oil occurs bonded to carbon atoms, with a small amount occurring as elemental sulfur in solution and as <a href="/wiki/Hydrogen_sulfide" title="Hydrogen sulfide">hydrogen sulfide</a> gas. Sour oil can be toxic and corrosive, especially when the oil contains higher levels of hydrogen sulfide, which is a breathing hazard. At low concentrations the gas gives the oil the smell of rotting eggs. For safety reasons, sour crude oil needs to be <a href="/wiki/Stabilizer_(chemistry)" title="Stabilizer (chemistry)">stabilized</a> by having hydrogen sulfide gas (H<sub>2</sub>S) removed from it before being transported by <a href="/wiki/Oil_tankers" class="mw-redirect" title="Oil tankers">oil tankers</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Since sour crude is more common than sweet crude in the U.S. part of the <a href="/wiki/Gulf_of_Mexico" title="Gulf of Mexico">Gulf of Mexico</a>, <a href="/wiki/Platts" class="mw-redirect" title="Platts">Platts</a> has come out in March 2009 with a new sour crude <a href="/wiki/Benchmark_(crude_oil)" title="Benchmark (crude oil)">benchmark</a> (<a href="/wiki/Oil_marker" class="mw-redirect" title="Oil marker">oil marker</a>) called "Americas Crude Marker (ACM)".<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Dubai_Crude" title="Dubai Crude">Dubai Crude</a> and Oman Crude, both sour crude oils, have been used as a <a href="/wiki/Benchmark_(crude_oil)" title="Benchmark (crude oil)">benchmark (crude oil)</a> <a href="/wiki/Oil_marker" class="mw-redirect" title="Oil marker">oil marker</a> for <a href="/wiki/Middle_East" title="Middle East">Middle East</a> crude oils for some time. </p><p>The major producers of sour crude oil include: </p> <ul><li><a href="/wiki/North_America" title="North America">North America</a>: <a href="/wiki/Alberta" title="Alberta">Alberta</a> (<a href="/wiki/Canada" title="Canada">Canada</a>), <a href="/wiki/United_States" title="United States">United States</a>' portion of the <a href="/wiki/Gulf_of_Mexico" title="Gulf of Mexico">Gulf of Mexico</a>, <a href="/wiki/Alaska" title="Alaska">Alaska</a> and <a href="/wiki/Mexico" title="Mexico">Mexico</a>.</li> <li><a href="/wiki/South_America" title="South America">South America</a>: <a href="/wiki/Venezuela" title="Venezuela">Venezuela</a>, <a href="/wiki/Colombia" title="Colombia">Colombia</a>, and <a href="/wiki/Ecuador" title="Ecuador">Ecuador</a>.</li> <li><a href="/wiki/Middle_East" title="Middle East">Middle East</a>: <a href="/wiki/Saudi_Arabia" title="Saudi Arabia">Saudi Arabia</a>, <a href="/wiki/Iraq" title="Iraq">Iraq</a>, <a href="/wiki/Kuwait" title="Kuwait">Kuwait</a>, <a href="/wiki/Iran" title="Iran">Iran</a>, <a href="/wiki/Syria" title="Syria">Syria</a>, and <a href="/wiki/Egypt" title="Egypt">Egypt</a>.<sup id="cite_ref-CTT_1-2" class="reference"><a href="#cite_note-CTT-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Europe" title="Europe">Europe</a>: <a href="/wiki/Russia" title="Russia">Russian</a> <a href="/wiki/Volga_region" title="Volga region">Volga region</a> and the <a href="/wiki/Urals_oil" title="Urals oil">Urals</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sour_crude_oil&action=edit&section=1" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Heavy_crude_oil" title="Heavy crude oil">Heavy crude oil</a> – Highly-viscous oil that cannot easily flow to production wells under normal reservoir conditions</li> <li><a href="/wiki/Sour_gas" title="Sour gas">Sour gas</a> – Term for gas with significant amounts of hydrogen sulfide</li> <li><a href="/wiki/Sweet_crude_oil" title="Sweet crude oil">Sweet crude oil</a> – Type of petroleum</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sour_crude_oil&action=edit&section=2" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-CTT-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-CTT_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-CTT_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-CTT_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration 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.cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20081121001856/http://www.commodity-trading-today.com/sour-crude-oil.html">"Heavy Sour Crude Oil, A Challenge For Refiners"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.commodity-trading-today.com/sour-crude-oil.html">the original</a> on 2008-11-21.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Heavy+Sour+Crude+Oil%2C+A+Challenge+For+Refiners&rft_id=http%3A%2F%2Fwww.commodity-trading-today.com%2Fsour-crude-oil.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASour+crude+oil" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.saudiaramcoworld.com/issue/196001/sweetening.up.the.crude.htm">"Sweetening Up the Crude"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Sweetening+Up+the+Crude&rft_id=http%3A%2F%2Fwww.saudiaramcoworld.com%2Fissue%2F196001%2Fsweetening.up.the.crude.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASour+crude+oil" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.platts.com/Oil/Resources/Methodology%20&%20Specifications/acm.pdf?S=n">Americas Crude Marker (ACM)</a></span> </li> </ol></div></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline 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href="/wiki/Template:Petroleum_industry" title="Template:Petroleum industry"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Petroleum_industry" title="Template talk:Petroleum industry"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Petroleum_industry" title="Special:EditPage/Template:Petroleum industry"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Petroleum_industry" style="font-size:114%;margin:0 4em"><a href="/wiki/Petroleum_industry" title="Petroleum industry">Petroleum industry</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><a href="/wiki/Petroleum" title="Petroleum">Petroleum</a></li> <li><a href="/wiki/Primary_energy" title="Primary energy">Primary energy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;"><a href="/wiki/Benchmark_(crude_oil)" title="Benchmark (crude oil)">Benchmarks</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Argus_Sour_Crude_Index" title="Argus Sour Crude Index">Argus Sour</a></li> <li><a href="/wiki/Bonny_Light_oil" title="Bonny Light oil">Bonny Light</a></li> <li><a href="/wiki/Brent_Crude" title="Brent Crude">Brent</a></li> <li><a href="/wiki/Dubai_Crude" title="Dubai Crude">Dubai</a></li> <li><a href="/wiki/Indian_Basket" title="Indian Basket">Indian Basket</a></li> <li><a href="/wiki/Indonesian_Crude_Price" title="Indonesian Crude Price">Indonesian</a></li> <li><a href="/wiki/Isthmus-34_Light" title="Isthmus-34 Light">Isthmus-34 Light</a></li> <li><a href="/wiki/Japan_Crude_Cocktail" title="Japan Crude Cocktail">Japan Cocktail</a></li> <li><a href="/wiki/OPEC_Reference_Basket" title="OPEC Reference Basket">OPEC Reference Basket</a></li> <li><a href="/wiki/Tapis_crude" title="Tapis crude">Tapis</a></li> <li><a href="/wiki/Urals_oil" title="Urals oil">Urals</a></li> <li><a href="/wiki/West_Texas_Intermediate" title="West Texas Intermediate">West Texas Intermediate</a></li> <li><a href="/wiki/Western_Canadian_Select" title="Western Canadian Select">Western Canadian Select</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;">Data</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight:normal;">Natural gas</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_countries_by_natural_gas_consumption" title="List of countries by natural gas consumption">Consumption</a></li> <li><a href="/wiki/List_of_countries_by_natural_gas_production" title="List of countries by natural gas production">Production</a></li> <li><a href="/wiki/List_of_countries_by_natural_gas_proven_reserves" title="List of countries by natural gas proven reserves">Reserves</a></li> <li><a href="/wiki/List_of_countries_by_natural_gas_imports" title="List of countries by natural gas imports">Imports</a></li> <li><a href="/wiki/List_of_countries_by_natural_gas_exports" title="List of countries by natural gas exports">Exports</a></li> <li><a href="/wiki/Natural_gas_prices" title="Natural gas prices">Price</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight:normal;">Petroleum</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_countries_by_oil_consumption" title="List of countries by oil consumption">Consumption</a></li> <li><a href="/wiki/List_of_countries_by_oil_production" title="List of countries by oil production">Production</a></li> <li><a href="/wiki/List_of_countries_by_proven_oil_reserves" title="List of countries by proven oil reserves">Reserves</a></li> <li><a href="/wiki/List_of_countries_by_oil_imports" title="List of countries by oil imports">Imports</a></li> <li><a href="/wiki/List_of_countries_by_oil_exports" title="List of countries by oil exports">Exports</a></li> <li><a href="/wiki/Posted_oil_price" title="Posted oil price">Posted oil price</a></li> <li><a href="/wiki/Price_of_oil" title="Price of oil">Price</a> <ul><li><a href="/wiki/Gasoline_and_diesel_usage_and_pricing" title="Gasoline and diesel usage and pricing">of gasoline and diesel</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;"><a href="/wiki/Hydrocarbon_exploration" title="Hydrocarbon exploration">Exploration</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Core_sample" title="Core sample">Core sampling</a></li> <li><a href="/wiki/Exploration_geophysics" title="Exploration geophysics">Geophysics</a></li> <li><a href="/wiki/Integrated_asset_modelling" title="Integrated asset modelling">Integrated asset modelling</a></li> <li><a href="/wiki/Petroleum_engineering" title="Petroleum engineering">Petroleum engineering</a> <ul><li><a href="/wiki/Reservoir_simulation" title="Reservoir simulation">Reservoir simulation</a></li> <li><a href="/wiki/Reservoir_modeling" title="Reservoir modeling">Reservoir modeling</a></li></ul></li> <li><a href="/wiki/Petroleum_geology" title="Petroleum geology">Petroleum geology</a></li> <li><a href="/wiki/Petrophysics" title="Petrophysics">Petrophysics</a></li> <li><a href="/wiki/Reflection_seismology" title="Reflection seismology">Reflection seismology</a> <ul><li><a href="/wiki/Seismic_inversion" title="Seismic inversion">Seismic inversion</a></li></ul></li> <li><a href="/wiki/Seismic_source" title="Seismic source">Seismic source</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;"><a href="/wiki/Oil_well" title="Oil well">Drilling</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blowout_(well_drilling)" title="Blowout (well drilling)">Blowout</a></li> <li><a href="/wiki/Completion_(oil_and_gas_wells)" title="Completion (oil and gas wells)">Completion</a> <ul><li><a href="/wiki/Squeeze_job" title="Squeeze job">Squeeze job</a></li></ul></li> <li><a href="/wiki/Differential_sticking" title="Differential sticking">Differential sticking</a></li> <li><a href="/wiki/Directional_drilling" title="Directional drilling">Directional drilling</a> <ul><li><a href="/wiki/Geosteering" title="Geosteering">Geosteering</a></li></ul></li> <li><a href="/wiki/Drill_stem_test" title="Drill stem test">Drill stem test</a></li> <li><a href="/wiki/Drilling_engineering" title="Drilling engineering">Drilling engineering</a></li> <li><a href="/wiki/Drilling_fluid" title="Drilling fluid">Drilling fluid</a> <ul><li><a href="/wiki/Drilling_fluid_invasion" title="Drilling fluid invasion">invasion</a></li></ul></li> <li><a href="/wiki/Lost_circulation" title="Lost circulation">Lost circulation</a></li> <li><a href="/wiki/Measurement_while_drilling" title="Measurement while drilling">Measurement</a></li> <li><a href="/wiki/Shale_oil_extraction" title="Shale oil extraction">Shale oil extraction</a> <ul><li><a href="/wiki/Fredrik_Ljungstr%C3%B6m#Shale_oil_extraction" title="Fredrik Ljungström">Ljungström method</a></li></ul></li> <li><a href="/wiki/Tracer_use_in_the_oil_industry" title="Tracer use in the oil industry">Tracers</a></li> <li><a href="/wiki/Underbalanced_drilling" title="Underbalanced drilling">Underbalanced drilling</a></li> <li><a href="/wiki/Well_logging" title="Well logging">Well logging</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;"><a href="/wiki/Extraction_of_petroleum" title="Extraction of petroleum">Production</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Petroleum_fiscal_regime" title="Petroleum fiscal regime">Petroleum fiscal regime</a> <ul><li><a href="/wiki/Petroleum_licensing" title="Petroleum licensing">Concessions</a></li> <li><a href="/wiki/Production_sharing_agreement" title="Production sharing agreement">Production sharing agreements</a></li></ul></li> <li><a href="/wiki/Artificial_lift" title="Artificial lift">Artificial lift</a> <ul><li><a href="/wiki/Gas_lift" title="Gas lift">Gas lift</a></li> <li><a href="/wiki/Pumpjack" title="Pumpjack">Pumpjack</a></li> <li><a href="/wiki/Submersible_pump" title="Submersible pump">Submersible pump (ESP)</a></li></ul></li> <li><a href="/wiki/Downstream_(petroleum_industry)" title="Downstream (petroleum industry)">Downstream</a></li> <li><a href="/wiki/Enhanced_oil_recovery" title="Enhanced oil recovery">Enhanced oil recovery (EOR)</a> <ul><li><a href="/wiki/Gas_reinjection" title="Gas reinjection">Gas reinjection</a></li> <li><a href="/wiki/Steam_injection_(oil_industry)" title="Steam injection (oil industry)">Steam injection</a></li></ul></li> <li><a href="/wiki/Midstream" title="Midstream">Midstream</a></li> <li><a href="/wiki/Petroleum_product" title="Petroleum product">Petroleum product</a></li> <li><a href="/wiki/Pipeline" title="Pipeline">Pipeline</a></li> <li><a href="/wiki/Oil_refinery" title="Oil refinery">Refining</a></li> <li><a href="/wiki/Upstream_(petroleum_industry)" title="Upstream (petroleum industry)">Upstream</a></li> <li><a href="/wiki/Water_injection_(oil_production)" title="Water injection (oil production)">Water injection</a></li> <li><a href="/wiki/Well_intervention" title="Well intervention">Well intervention</a></li> <li><a href="/wiki/Christmas_tree_(oil_well)" title="Christmas tree (oil well)">XT</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;"><a href="/wiki/History_of_the_petroleum_industry" title="History of the petroleum industry">History</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1967_Oil_Embargo" title="1967 Oil Embargo">1967 Oil Embargo</a></li> <li><a href="/wiki/1973_oil_crisis" title="1973 oil crisis">1973 oil crisis</a></li> <li><a href="/wiki/1979_oil_crisis" title="1979 oil crisis">1979 oil crisis</a></li> <li><a href="/wiki/1980s_oil_glut" title="1980s oil glut">1980s oil glut</a></li> <li><a href="/wiki/1990_oil_price_shock" title="1990 oil price shock">1990 oil price shock</a></li> <li><a href="/wiki/2000s_energy_crisis" title="2000s energy crisis">2000s energy crisis</a></li> <li><a href="/wiki/2010s_oil_glut" title="2010s oil glut">2010s oil glut</a></li> <li><a href="/wiki/2020_Russia%E2%80%93Saudi_Arabia_oil_price_war" title="2020 Russia–Saudi Arabia oil price war">2020 Russia–Saudi Arabia oil price war</a></li> <li><a href="/wiki/Nationalization_of_oil_supplies" title="Nationalization of oil supplies">Nationalization</a></li> <li><a href="/wiki/Gas_Exporting_Countries_Forum" title="Gas Exporting Countries Forum">GECF</a></li> <li><a href="/wiki/OPEC" title="OPEC">OPEC</a></li> <li><a href="/wiki/Seven_Sisters_(oil_companies)" class="mw-redirect" title="Seven Sisters (oil companies)">Seven Sisters</a></li> <li><a href="/wiki/Standard_Oil" title="Standard Oil">Standard Oil</a></li> <li><a href="/wiki/History_of_the_petroleum_industry_in_Canada" title="History of the petroleum industry in Canada">Canada</a></li> <li><a href="/wiki/History_of_the_petroleum_industry_in_France" title="History of the petroleum industry in France">France</a></li> <li><a href="/wiki/History_of_the_oil_industry_in_India" title="History of the oil industry in India">India</a></li> <li><a href="/wiki/Petroleum_industry_in_Iraq" title="Petroleum industry in Iraq">Iraq</a></li> <li><a href="/wiki/History_of_the_petroleum_industry_in_Norway" title="History of the petroleum industry in Norway">Norway</a></li> <li><a href="/wiki/History_of_the_oil_industry_in_Saudi_Arabia" title="History of the oil industry in Saudi Arabia">Saudi Arabia</a></li> <li><a href="/wiki/History_of_the_petroleum_industry_in_the_United_States" title="History of the petroleum industry in the United States">United States</a></li> <li><a href="/wiki/History_of_the_Venezuelan_oil_industry" title="History of the Venezuelan oil industry">Venezuela</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;">Provinces<br />and fields</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_natural_gas_fields" title="List of natural gas fields">List of natural gas fields</a></li> <li><a href="/wiki/List_of_oil_fields" title="List of oil fields">List of oil fields</a></li> <li><a href="/wiki/Caspian_Sea" title="Caspian Sea">Caspian Sea</a></li> <li><a href="/wiki/East_Midlands_Oil_Province" title="East Midlands Oil Province">East Midlands Oil Province</a></li> <li><a href="/wiki/East_Texas_Oil_Field" title="East Texas Oil Field">East Texas</a></li> <li><a href="/wiki/Gulf_of_Mexico" title="Gulf of Mexico">Gulf of Mexico</a></li> <li><a href="/wiki/Niger_Delta#Nigerian_oil" title="Niger Delta">Niger Delta</a></li> <li><a href="/wiki/North_Sea_oil" title="North Sea oil">North Sea</a></li> <li><a href="/wiki/Permian_Basin_(North_America)" title="Permian Basin (North America)">Permian Basin</a></li> <li><a href="/wiki/Persian_Gulf" title="Persian Gulf">Persian Gulf</a></li> <li><a href="/wiki/Prudhoe_Bay_Oil_Field" title="Prudhoe Bay Oil Field">Prudhoe Bay</a></li> <li><a href="/wiki/Oil_reserves_in_Russia" title="Oil reserves in Russia">Russia</a></li> <li><a href="/wiki/Oil_reserves_in_Venezuela" title="Oil reserves in Venezuela">Venezuela</a></li> <li><a href="/wiki/Western_Canadian_Sedimentary_Basin" class="mw-redirect" title="Western Canadian Sedimentary Basin">Western Canadian Sedimentary Basin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;">Other topics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_abbreviations_in_oil_and_gas_exploration_and_production" title="List of abbreviations in oil and gas exploration and production">Abbreviations</a></li> <li>Classification <ul><li><a href="/wiki/Sweet_crude_oil" title="Sweet crude oil">sweet oil</a></li> <li><a class="mw-selflink selflink">sour oil</a></li></ul></li> <li><a href="/wiki/Oil_shale_gas" title="Oil shale gas">Oil shale gas</a></li> <li><a href="/wiki/Orphan_wells" title="Orphan wells">Orphan wells</a></li> <li><a href="/wiki/Peak_oil" title="Peak oil">Peak oil</a> <ul><li><a href="/wiki/Fossil_fuel_phase-out" title="Fossil fuel phase-out">fossil fuel phase-out</a></li> <li><a href="/wiki/Predicting_the_timing_of_peak_oil" title="Predicting the timing of peak oil">timing</a></li></ul></li> <li><a href="/wiki/Petrocurrency" title="Petrocurrency">Petrocurrency</a></li> <li><a href="/wiki/Petrodollar_recycling" title="Petrodollar recycling">Petrodollar recycling</a></li> <li><a href="/wiki/Petrofiction" title="Petrofiction">Petrofiction</a></li> <li><a href="/wiki/Shale_band" title="Shale band">Shale band</a></li> <li><a href="/wiki/Shale_gas" title="Shale gas">Shale gas</a></li> <li><a href="/wiki/Swing_producer" title="Swing producer">Swing producer</a></li> <li><a href="/wiki/Unconventional_(oil_and_gas)_reservoir" title="Unconventional (oil and gas) reservoir">Unconventional (oil and gas) reservoir</a> <ul><li><a href="/wiki/Heavy_crude_oil" title="Heavy crude oil">heavy crude</a></li> <li><a href="/wiki/Oil_sands" title="Oil sands">oil sands</a></li> <li><a href="/wiki/Oil_shale" title="Oil shale">oil shale</a></li> <li><a href="/wiki/Tight_oil" title="Tight oil">tight oil</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;">Companies and<br />organisations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Major<br /><a href="/wiki/List_of_oil_exploration_and_production_companies" title="List of oil exploration and production companies">petroleum<br />companies</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight:normal;"><a href="/wiki/Big_Oil" title="Big Oil">Supermajors</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/BP" title="BP">BP</a></li> <li><a href="/wiki/Chevron_Corporation" title="Chevron Corporation">Chevron</a></li> <li><a href="/wiki/Eni" title="Eni">Eni</a></li> <li><a href="/wiki/ExxonMobil" title="ExxonMobil">ExxonMobil</a></li> <li><a href="/wiki/Shell_plc" title="Shell plc">Shell</a></li> <li><a href="/wiki/TotalEnergies" title="TotalEnergies">TotalEnergies</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight:normal;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/National_oil_company" title="National oil company">National oil<br />companies</a></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abu_Dhabi_National_Oil_Company" title="Abu Dhabi National Oil Company">Abu Dhabi National Oil Company</a></li> <li><a href="/wiki/ANCAP_(Uruguay)" title="ANCAP (Uruguay)">ANCAP</a></li> <li><a href="/wiki/Bharat_Petroleum" title="Bharat Petroleum">Bharat Petroleum</a></li> <li><a href="/wiki/China_National_Offshore_Oil_Corporation" title="China National Offshore Oil Corporation">China National Offshore Oil Corporation</a></li> <li><a href="/wiki/China_National_Petroleum_Corporation" title="China National Petroleum Corporation">China National Petroleum Corporation</a></li> <li><a href="/wiki/Ecopetrol" title="Ecopetrol">Ecopetrol</a></li> <li><a href="/wiki/Equinor" title="Equinor">Equinor</a></li> <li><a href="/wiki/Gazprom" title="Gazprom">Gazprom</a></li> <li><a href="/wiki/Hindustan_Petroleum" title="Hindustan Petroleum">Hindustan Petroleum</a></li> <li><a href="/wiki/Indian_Oil_Corporation" title="Indian Oil Corporation">Indian Oil Corporation</a></li> <li><a href="/wiki/Iraq_National_Oil_Company" title="Iraq National Oil Company">Iraq National Oil Company</a></li> <li><a href="/wiki/KazMunayGas" title="KazMunayGas">KazMunayGas</a></li> <li><a href="/wiki/Kuwait_Petroleum_Corporation" title="Kuwait Petroleum Corporation">Kuwait Petroleum Corporation</a></li> <li><a href="/wiki/Grupa_Lotos" title="Grupa Lotos">Lotos</a></li> <li><a href="/wiki/Naftogaz" title="Naftogaz">Naftogaz</a></li> <li><a href="/wiki/National_Iranian_Oil_Company" title="National Iranian Oil Company">National Iranian Oil Company</a></li> <li><a href="/wiki/National_Iranian_South_Oil_Company" title="National Iranian South Oil Company">National Iranian South Oil Company</a></li> <li><a href="/wiki/NNPC_Limited" title="NNPC Limited">NNPC Limited</a></li> <li><a href="/wiki/Oil_%26_Gas_Development_Company" title="Oil & Gas Development Company">Oil & Gas Development Company</a></li> <li><a href="/wiki/Oil_and_Natural_Gas_Corporation" title="Oil and Natural Gas Corporation">Oil and Natural Gas Corporation</a></li> <li><a href="/wiki/Orlen" title="Orlen">Orlen</a></li> <li><a href="/wiki/PDVSA" title="PDVSA">PDVSA</a></li> <li><a href="/wiki/Pemex" title="Pemex">Pemex</a></li> <li><a href="/wiki/Pertamina" title="Pertamina">Pertamina</a></li> <li><a href="/wiki/Petrobangla" title="Petrobangla">Petrobangla</a></li> <li><a href="/wiki/Petrobras" title="Petrobras">Petrobras</a></li> <li><a href="/wiki/PetroChina" title="PetroChina">PetroChina</a></li> <li><a href="/wiki/Petronas" title="Petronas">Petronas</a></li> <li><a href="/wiki/Petrovietnam" title="Petrovietnam">Petrovietnam</a></li> <li><a href="/wiki/PTT_Public_Company_Limited" title="PTT Public Company Limited">PTT Public Company Limited</a></li> <li><a href="/wiki/QatarEnergy" title="QatarEnergy">QatarEnergy</a></li> <li><a href="/wiki/Rosneft" title="Rosneft">Rosneft</a></li> <li><a href="/wiki/Saudi_Aramco" title="Saudi Aramco">Saudi Aramco</a></li> <li><a href="/wiki/Sinopec" title="Sinopec">Sinopec</a></li> <li><a href="/wiki/SOCAR" title="SOCAR">SOCAR</a></li> <li><a href="/wiki/Sonangol_Group" title="Sonangol Group">Sonangol</a></li> <li><a href="/wiki/Sonatrach" title="Sonatrach">Sonatrach</a></li> <li><a href="/wiki/TPAO" title="TPAO">TPAO</a></li> <li><a href="/wiki/YPF" title="YPF">YPF</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight:normal;"><a href="/wiki/Energy_trading" class="mw-redirect" title="Energy trading">Energy trading</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Enron" title="Enron">Enron</a></li> <li><a href="/wiki/Glencore" title="Glencore">Glencore</a></li> <li><a href="/wiki/Gunvor" title="Gunvor">Gunvor</a></li> <li><a href="/wiki/Mercuria" title="Mercuria">Mercuria</a></li> <li><a href="/wiki/Naftiran_Intertrade" title="Naftiran Intertrade">Naftiran Intertrade</a></li> <li><a href="/wiki/Trafigura" title="Trafigura">Trafigura</a></li> <li><a href="/wiki/Vitol" title="Vitol">Vitol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left; font-weight:normal;">Others</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/APA_Corporation" title="APA Corporation">APA Corporation</a></li> <li><a href="/wiki/Cenovus_Energy" title="Cenovus Energy">Cenovus Energy</a></li> <li><a href="/wiki/Cepsa" title="Cepsa">Cepsa</a></li> <li><a href="/wiki/ConocoPhillips" title="ConocoPhillips">ConocoPhillips</a></li> <li><a href="/wiki/Devon_Energy" title="Devon Energy">Devon Energy</a></li> <li><a href="/wiki/Eneos_Holdings" title="Eneos Holdings">Eneos Holdings</a></li> <li><a href="/wiki/Galp_Energia" title="Galp Energia">Galp Energia</a></li> <li><a href="/wiki/Hess_Corporation" title="Hess Corporation">Hess Corporation</a></li> <li><a href="/wiki/Husky_Energy" title="Husky Energy">Husky Energy</a></li> <li><a href="/wiki/Imperial_Oil" title="Imperial Oil">Imperial Oil</a></li> <li><a href="/wiki/Lukoil" title="Lukoil">Lukoil</a></li> <li><a href="/wiki/Marathon_Oil" title="Marathon Oil">Marathon Oil</a></li> <li><a href="/wiki/Marathon_Petroleum" title="Marathon Petroleum">Marathon Petroleum</a></li> <li><a href="/wiki/Occidental_Petroleum" title="Occidental Petroleum">Occidental Petroleum</a></li> <li><a href="/wiki/OMV" title="OMV">OMV</a></li> <li><a href="/wiki/Phillips_66" title="Phillips 66">Phillips 66</a></li> <li><a href="/wiki/Port_Harcourt_Refining_Company" title="Port Harcourt Refining Company">Port Harcourt Refining Company</a></li> <li><a href="/wiki/Reliance_Industries" title="Reliance Industries">Reliance Industries</a></li> <li><a href="/wiki/Repsol" title="Repsol">Repsol</a></li> <li><a href="/wiki/Suncor_Energy" title="Suncor Energy">Suncor Energy</a></li> <li><a href="/wiki/Sunoco" title="Sunoco">Sunoco</a></li> <li><a href="/wiki/Surgutneftegas" title="Surgutneftegas">Surgutneftegas</a></li> <li><a href="/wiki/TechnipFMC" title="TechnipFMC">TechnipFMC</a></li> <li><a href="/wiki/TNK-BP" title="TNK-BP">TNK-BP</a></li> <li><a href="/wiki/Tullow_Oil" title="Tullow Oil">Tullow Oil</a></li> <li><a href="/wiki/T%C3%BCpra%C5%9F" title="Tüpraş">Tüpraş</a></li> <li><a href="/wiki/Valero_Energy" title="Valero Energy">Valero Energy</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Major<br /><a href="/wiki/List_of_oilfield_service_companies" title="List of oilfield service companies">services<br />companies</a></div></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Amec_Foster_Wheeler" title="Amec Foster Wheeler">Amec Foster Wheeler</a></li> <li><a href="/wiki/Baker_Hughes" title="Baker Hughes">Baker Hughes</a></li> <li><a href="/wiki/Cameron_International" title="Cameron International">Cameron International</a></li> <li><a href="/wiki/CGG_(company)" class="mw-redirect" title="CGG (company)">CGG</a></li> <li><a href="/wiki/CH2M" title="CH2M">CH2M</a></li> <li><a href="/wiki/Chicago_Bridge_%26_Iron_Company" title="Chicago Bridge & Iron Company">Chicago Bridge & Iron Company</a></li> <li><a href="/wiki/China_Oilfield_Services" title="China Oilfield Services">China Oilfield Services</a></li> <li><a href="/wiki/Enbridge" title="Enbridge">Enbridge</a></li> <li><a href="/wiki/GE_Power" title="GE Power">GE Power</a></li> <li><a href="/wiki/Halliburton" title="Halliburton">Halliburton</a></li> <li><a href="/wiki/Nabors_Industries" title="Nabors Industries">Nabors Industries</a></li> <li><a href="/wiki/Naftiran_Intertrade" title="Naftiran Intertrade">Naftiran Intertrade</a></li> <li><a href="/wiki/NOV_Inc." title="NOV Inc.">NOV Inc.</a></li> <li><a href="/wiki/Petrofac" title="Petrofac">Petrofac</a></li> <li><a href="/wiki/Saipem" title="Saipem">Saipem</a></li> <li><a href="/wiki/Schlumberger" title="Schlumberger">Schlumberger</a></li> <li><a href="/wiki/Snam" title="Snam">Snam</a></li> <li><a href="/wiki/Subsea_7" title="Subsea 7">Subsea 7</a></li> <li><a href="/wiki/TC_Energy" title="TC Energy">TC Energy</a></li> <li><a href="/wiki/Transocean" title="Transocean">Transocean</a></li> <li><a href="/wiki/Valaris_Limited" title="Valaris Limited">Valaris Limited</a></li> <li><a href="/wiki/Weatherford_International" title="Weatherford International">Weatherford International</a></li> <li><a href="/wiki/John_Wood_Group" title="John Wood Group">John Wood Group</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:left;">Others</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/American_Petroleum_Institute" title="American Petroleum Institute">American Petroleum Institute</a></li> <li><a href="/wiki/Canadian_petroleum_companies" title="Canadian petroleum companies">Canadian petroleum companies</a></li> <li><a href="/wiki/Intercontinental_Exchange_Futures" title="Intercontinental Exchange Futures">Intercontinental Exchange Futures</a></li> <li><a href="/wiki/International_Association_of_Oil_%26_Gas_Producers" title="International Association of Oil & Gas Producers">International Association of Oil & Gas Producers</a></li> <li><a href="/wiki/International_Energy_Agency" title="International Energy Agency">International Energy Agency</a></li> <li><a href="/wiki/Society_of_Petroleum_Engineers" title="Society of Petroleum Engineers">Society of Petroleum Engineers</a></li> <li><a href="/wiki/World_Petroleum_Council" class="mw-redirect" title="World Petroleum Council">World Petroleum Council</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="font-weight:bold;"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" 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