Shirkadda Standard Oil waxay bilowday inay ka shaqeyso gobolka California sanadkii 1938. Shirkadda Standard Oil waxay magaceeda u bedeshay Standard Oil Co. of California (SOCAL). Marka la eego shuruudaha kala diridda Standard Oil, marka hore Standard of California waxay isticmaali kartaa magaca Standard kaliya gudaha aagagga juqraafi ee asalka ah ee gobollada xeebta Baasifigga, oo lagu daray Nevada iyo Arizona; ka baxsan aaggaas, waxay ahayd inay isticmaasho magac kale. Maanta Chevron waa milkiilaha astaanta Standard Oil ee 16 gobol oo ku yaal galbeedka iyo koonfur-bari ee Mareykanka. Si loo ilaaliyo lahaanshaha astaanta shirkadda, shirkaddu waxay leedahay oo u shaqeysaa mid ka mid ah qaybta Standard Oil ee Carabta ee Chevron, kaas oo xukumay warshadaha shidaalka ee caalamiga ah.
waxaa laga iibiyay shirkado badan oo ka howlgala Gulf, waxaana laga iibiyay qaar ka mid ah saldhigyada Gulf iyo warshad lagu nadiifiyo bariga Mareykanka