Fig. 1From: Analysis of the systematic conservation of China's petroleum industrial heritage: a case study and analysis of the petroleum industrial heritage in DaqingSome Petroleum industrial heritage in China. AÂ Yangyi well in Yangchang Oil Field. BÂ Laojumiao No. 1 well in Yumen Oil Field. CÂ Qilicun oil refinery in Yanchang Oil Field. DÂ 101 Cave dwelling house in Karamay Oil Field (Source: the author)Back to article page