Complex sentence: The Kurmangazy oil field is an offshore oil field located in the Kazakh section of the Caspian Sea on the maritime border between Russia and Kazakhstan, about west of the Buzachi Peninsula.
Split into simpler sentences: The Kurmangazy oil field of Kazakhstan is an offshore oil field in the Kazakh section of the Caspian Sea. It is located on the maritime border between Russia and Kazakhstan, about west of the Buzachi Peninsula.