Changes in senior positions at the ministry do not usually affect the energy policy of the world's seventh-largest oil exporter as final decisions are made by a state committee.
Cabinet Affairs Minister Faisal al-Hajji Minister told state news agency KUNA late on Sunday that Prime Minister Sheikh Nasser al-Mohammad al-Sabah would resolve the matter as soon as possible.
The Gulf Arab state has named Electricity & Water Minister Mohammad al-Olaim, an engineer, as acting oil minister of the Opec producer.
Sheikh