Companies working in the field of oil and gas invest large capital, and therefore the disputes that arise in this activity are among the most important risks that must be taken into account in any project related to international energy (oil). It is imperative for the parties to the investment relationship in the oil and gas fields, and from the beginning of the deal, to manage these risks clearly, and accordingly the parties to the contract are keen when drafting its clauses to put in place a mechanism for settling disputes, whether these parties are companies, individuals or governments, especially since foreign companies do not have The desire to resort to national courts for lack of confidence in the impartiality of the national judiciary, and disputes occur between the investing company and the host country when the host country makes major changes in the terms of the original deal or when it withdraws the investment (concession) granted to one of the companies, whether the issue is the sharing of production between them and between the host country, an extraction contract or a service provision contract.