Abstract: A sustainable development of an oil and gas field needs a continuous supply of oil and gas sources, so does the Daqing oilfield.The exploration practices show that there exists biogenic oil ? gas supply in Daging oilfield, because, its volcanic activity surrounding Songliao basin is very activ. So Songliao basin is a basin of igneous rock intrusion. The volcanic or igneous rocks can be taken for granted to transport oil and gas originated by volcanic activity to Songliao basin. Also, the crude oil with color like quartz inclusions“oil” contains some“elements” that do not exist in biological or organic materials found in Daqing exploration area. All these indicate that there exist abiogenic or inorganic crude oils in this area, which provides theory and the practice supports for the sustainable development of Daqing oilfield