1. Enterprise introduction;Daqing oilfield of CNPC,2014
2. Proceeding on oilfield development by Yu Qi-tai;Yu,1999
3. Daqing heating period increased 10 days;Heilongjinag dbw network,2012
4. The exploitation comprehensive water content of Daqing oilfield has reached 90%;China-consulting network,2010
5. Estimate of geothermal resources potential for hot dry rock in the continental area of China;Wang;Sci Technol Rev,2012