Hydrogeochemical Characteristics and Water–Rock Interactions of Coalbed-Produced Water Derived from the Dafosi Biogenic Gas Field in the Southern Margin of Ordos Basin, China

Table 2

Hydrogen and oxygen isotopic compositions of coalbed-produced water in the Dofosi biogenic gas field.

	Sample ID
	DFS-05	DFS-09	DFS-45	DFS-69	DFS-128	DFS-131	DFS-133	DFS-148	DFS-M68
δD (‰)	-84.2	-80.0	-81.5	-83.5	-81.4	-79.5	-84.5	-85.8	-81.7
δ^18O (‰)	-12.2	-9.3	-10.5	-11.0	-10.2	-10.8	-11.8	-11.7	-11.2