柴达木盆地葫芦山构造的多参数化探检测

doi:10.11743/ogg20010323

Abstract

Abstract:

According to the analysis of multi parameter hydrocarbon geochemical indicators,Hulushan structure in Qaidam Basin could be divided into 3 geochemical abnormal zones:the first abnormal zone is around Husheng 1 Well with an area of 45 km².Its free hydrocarbon,acid degraded hydrocarbon and ΔC are all abnormal and coincide with each other;the second abnormal zone is in the north margin of the structure mainly with free hydrocarbon anomaly;the third abnormal zone in the southeast corner of the structure is small with free methane anomaly.Based on carbon isotopic compositions,the surface geochemical anomalies of the structure should be derived from vertical microseepage of pyrolysed hydrocarbon in deep stratum.

Key words: chemical exploration, abnormal zone, origion, Qaidam Basin

CLC Number:

P632

Ma Jinlong, Zhang Xianwu, Liu Anying. MULTI-PARAMETER DETECTION OF GEOCHEMICAL EXPLORATION IN HULUSHAN STRUCTURE,QAIDAM BASIN[J]. Oil & Gas Geology, 2001, 22(3): 282-283.

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MULTI-PARAMETER DETECTION OF GEOCHEMICAL EXPLORATION IN HULUSHAN STRUCTURE,QAIDAM BASIN

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