Distribution and Thermal Maturity of Devonian Carbonate Reservoir Solid Bitumen in Desheng Area of Guizhong Depression, South China

Figure 7

Laser Raman spectra for the bitumen and methane-containing fluid inclusion in the calcite vein and dolomite of well DS1. (a) DS-X19, 3894.07 m, Bitumen inclusion within the dolomite of 1st section of Donggangling Formation. ((b) and (c)) DS-X20, 3895.49 m, Bitumen and methane-containing fluid inclusion within the dolomite of 1st section of Donggangling Formation. (d) DS-X64, 4653.16 m, methane-containing fluid inclusion within the calcite vein of Yingtang Formation.

(a)

(b)

(c)

(d)