Recognition of Petroleum Origin in the Northern Piedmont Belt of Turpan-Hami Basin and Its Significance

Figure 4

Characteristics and occurrences of hydrocarbon inclusions.

(a) Blue fluorescent inclusions distributed along the micro fractures cutting through some quartz particles, 3613.3 m, Sangonghe Formation, well Ke21; the left is under the plane-polarized light, and the right is under the UV-light

(b) Blue fluorescent gas-liquid hydrocarbon inclusion (condensate) along the micro fracture group cutting through the quartz particle, 3395.9 m, Sangonghe Formation, well Ke19; the left is under the plane-polarized light, and the right is under the UV-light

(c) Transparent colorless-gray gas-liquid hydrocarbon inclusion (condensate) with blue-green fluorescence, 3397.37 m, Sangonghe Formation, well Ke19; the left is under the plane-polarized light, and the right is under the UV-light

(d) Transparent colorless-gray gas-liquid hydrocarbon inclusion (condensate) with blue-green fluorescence, 3116.5 m, Xi-I Member (Xishanyao Formation), well Ke24; the left is under the plane-polarized light, and the right is under the UV-light

(e) Transparent colorless-gray gas-liquid hydrocarbon inclusion (condensate) with blue-green fluorescence, well Zhao4; the left is under the plane-polarized light, and the right is under the UV-light

(f) Dark gray natural gas inclusion, 3925.56 m, Badaowan Formation, well Zhao4

(g) Dark gray natural gas inclusion and hydrocarbon-bearing brine inclusion, 3117.2 m, Xi-I Member, well Ke-24

(h) Blue-green liquid gas-liquid hydrocarbon inclusions 3305.43 m, Sangonghe Formation, well Le3

(i) Green-yellow liquid gas-liquid hydrocarbon inclusions, 3275 m, Xi-II Member, well Ke19

(j) Yellow liquid gas-liquid hydrocarbon inclusions, 3275 m, Xi-II Member, well Ke19

(k) Blue liquid gas-liquid hydrocarbon inclusions, 3275 m, Xi-II Member, well Ke19