 dhiguva bhaagam nundi , OPEC  yokka modati iidu sabhya dheshaalanu sangrahinchandi 
 petrolium egumati deeshaala samshtha  (OPEC, /ˈoʊpɛk/ OH-pek)  anede prapancha maarket ‌ nu samishtigaa prabhaavitam cheyadanki mariyu labhanni penchadaaniki pramukha chamuru - utpatthi deeshaala sahakaaraanni praarambhinche samshtha . 14  september  1960 na bagdad ‌ loo modati iidu sabyulu  ( iranian ,  iraq ,  kuvait ,  soudi arabian mariyu venezula )  stapincharu ,  idi  1965  nundi viennaa ,  austrialo pradhaana kaaryaalayamgaa Pali ,  ayithe austro  OPEC  sabhya desam kadhu .  septembaru  2018  natiki , 13  sabhya deshalu prapancha chamuru utpattilo  44  saatam mariyu prapanchamlooni niroopitamaina chamuru nilvalaloo  81.5  saatam kaligi unnayani anchana vaeyabadindi ,  idi gatamlo  " seven systers "  ani pilavabade prapancha chamuru dharalapai  OPEC  pradhaana prabhavanni chuuputundi .  bahulajaati chamuru companyla samuham .

OPEC  erpaatu sahaja vanarulapai jaateeya saarvabhoumaadhikaaram vaipu ooka malupugaa gurthinchabadindi mariyu  OPEC  nirnayaalu prapancha chamuru maarket mariyu antarjaateeya sambandhaalalo pramukha paathranu pooshinchaayi .  yudhalu ledha pouura rugmathulu sarafaraalo podiginchina antaraayaalaku daariteesinappudu prabavam mukhyamgaa balamga umtumdi . 1970 va dasakamlo ,  chamuru utpattilo aankshalu chamuru dharalu mariyu  OPEC  yokka aadaayam mariyu sampadalo natakiya perugudhalaku dhaaritheeshaayi ,  prapancha aardika vyavasthaku deerghakaalika mariyu suduura parinaamaalatoe . 1980 lalo , OPEC  dani sabhya dheshaalaku utpatthi lakshyalanu nirdesinchadam praarambhinchindi ;  saadharanamga ,  lakshyalanu tagginchinappudu ,  chamuru dharalu perugutai .  adhika sarafharanu tagginchadaaniki samshtha yokka  2008  mariyu  2016  nirnayaala nundi idi edvala jargindi .
 aarganyjeshan af petrolium ex ‌ porting couuntries  (OPEC) loo modati iidu sabyulu iranian ,  iraq ,  kuvait ,  soudi arabian mariyu venezula .  september  2018  natiki , OPEC  adhikarikamgaa  13  sabhya dheshaalanu kaligi Pali .