[Society of Exploration Geophysicists Proceedings of the 11th SEGJ International Symposium, Yokohama, Japan, 18-21 November 2013 - Yokohama, Japan (18 November to 21 November)] Proceedings of the 11th SEGJ International Symposium, Yokohama, Japan, 18-21 November 2013 - Identification of Fault Structure and Hydrocarbon Prospect Areas based on Integration of Gravity Anomalies, Geology and Production Well Analysis in the ‘X’ Oil Field, East Kalimantan