Waha oil company is one of the major national companies engaged in the field of oil and gas production , its incorporation date was in 1955, when oasis oil company was incorporated as an operator for three American companies .

Waha oil company started its operation on Libyan soil in 1956 and succeeded in discovering oil in commercial quantities in the area north of bahi oil field , the company continued its successful operation after that date , and in 1960, waha and defa oil fields were discovered and in 1961 gialo and samah oil fields were found . in 1962 the company were successful in discovering zaggut , belhedan , khalifa , balat , masrab , harash and al - faregh oil fields .