TY JOUR TI PROSPECTS OF OIL-AND-GAS CONTENT OF PALEOZOIC NORTH WEST CASPIAN SEA KW paleozoic KW devonian and carbonous zones KW oil-and-gas content KW North West Caspian Sea region KW Astrakhan anticlinal fold KW geochemical effect KW thermobaric effect KW hydro-dynamic factor KW paleotemperature KW formation pressure KW fluorescent and bitumen survey JO Vestnik of Astrakhan State Technical University AU Degtyareva, N.. PY 2014 IS 2014 PB Astrakhan State Technical University