Considered questions of the course "Hydrogeology of oil and gas", which is offered to students of geological specialties. Describes the types of water in minerals and rocks, terms of origin, occurrence and movement; the formation of chemical, gas and bacterial composition of the water. The major hydrogeological provinces and characteristics of waters of separate fields. Thematic material is accompanied by test questions, practical tasks, tasks, drawings, tests and tables. Meets the requirements of Federal state educational standards of higher education of the last generation. For students, teachers, undergraduates, students majoring in 05.04.01 Geology, post-graduate students of geological, hydrogeological and other specialties, as well as for employees of fuel and energy complex and the production of hydrogeological and geological organizations.