Currently, the market is well-supplied and prices above $114 a barrel are the result of market nervousness, OPEC Secretary General Abdullah al-Badri said.
All three have been held at Egypt’s notorious Tora Prison for six months, in a case that has drawn criticism from Western governments and human rights groups.
Turkey and Qatar both have supported the Muslim Brotherhood, an Islamist movement which has been declared a “terrorist” organisation by Egypt and Gulf countries.