Journal of Chemistry / 2016 / Article / Tab 1

Research Article

Study of Diagenesis and Pore Evolution of Triassic Jialingjiang Formation in Southern Puguang Gasfield

Table 1

Carbon and oxygen isotopic sampling data for carbonate rocks.

OrderSample descriptionWellLayersDepth (m)δ13C
PDB ()
δ18O
PDB ()

1DolomicriteS1T1j23568.89–3568.931.62−3.66
2Calcareous dolareniteS1T1j23571.51–3571.560.84−3.92
3Gypseous dolomicriteS1T1j23571.8–3572.1−0.58−3.71
4Argillaceous gypsodolomiteS1T1j23576.9–35774.77−3.12
5Globular dolomiteS1T1j23580.7–3580.264.54−2.62
6GypsodolomiteS1T1j23583.1–3583.214.88−3.02
7Gypseous dolareniteS1T1j23585.04–3585.164.88−3.37
8DolareniteS1T1j23586.58–3586.765.12−4.33
9Gypseous dolomicriteS1T1j23586.79–3586.954.34−4.35
10Fine silty dolomiteS2T1j23648.94–3649.231.47−5.78
11Fine silty dolomiteS2T1j23651.19–3651.431.55−2.62
12Fine silty gypsodolomiteS2T1j23654.96–3655.124.93−2.79
13GypsodolomiteS2T1j23666.35–3666.446.2−4.43
14Fine silty dolomiteS3T1j22364.6–2364.663.67−5.22
15Fine silty dolareniteS3T1j22366.53–2366.65−0.81−3.43
16Calcite dolomiteS3T1j22374.15–2374.231.57−3.88
17Calcite dolomiteS3T1j22378.64–2378.750.28−5.15
18Microspar dolareniteS3T1j22378.75–2379.1−3.18−5.35
19GypsodolomiteS4T1j23827.79–3827.893.15−2.61
20Sparry gypsodolomiteS4T1j23828.22–3828.354.12−2.88
21Granular gypsodolomiteS4T1j23828.85–3828.964.25−2.78
22Fine silty gypsodolomiteS4T1j23830.45–3830.584.68−5.32
23Laminated fine silty dolomiteS4T1j23831.6–3831.725.22−3.56
24Fine silty dolomiteS4T1j23832.52–3832.645.32−3.87

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