Table 1: Average Carbonate Content of typical Wells in Chunfeng Oilfield.

Distribution Area	Well Name	Average Carbonate Content (%)	Distribution Area	Well Name	Average Carbonate Content(%)
Northwest of Chunfeng Oilfield	Z609-M	38.0	Southeast of Chunfeng Oilfield	Z601-X	2.3
	Z609	28.3		Z601-D	8.9
	Z610	35.4		Z611	5.5
	Z607	35.8		Z620	3.9
	Z631	27.9		Z601-Y	10.5
	Z634	36.5		Z601-A	1.5