BTEX anomalies used as indicators of submarine oil and gas reservoirs

ZHANG Yong; CAO Xue-qing; MENG Xiang-jun; LIU Zhan; LIANG Yuan

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ZHANG Yong, CAO Xue-qing, MENG Xiang-jun, LIU Zhan, LIANG Yuan. BTEX anomalies used as indicators of submarine oil and gas reservoirs[J]. Haiyang Xuebao, 2008, 30(1): 80-85.

Citation:

ZHANG Yong, CAO Xue-qing, MENG Xiang-jun, LIU Zhan, LIANG Yuan. BTEX anomalies used as indicators of submarine oil and gas reservoirs[J]. Haiyang Xuebao, 2008, 30(1): 80-85.

ZHANG Yong, CAO Xue-qing, MENG Xiang-jun, LIU Zhan, LIANG Yuan. BTEX anomalies used as indicators of submarine oil and gas reservoirs[J]. Haiyang Xuebao, 2008, 30(1): 80-85.

Citation:

ZHANG Yong, CAO Xue-qing, MENG Xiang-jun, LIU Zhan, LIANG Yuan. BTEX anomalies used as indicators of submarine oil and gas reservoirs[J]. Haiyang Xuebao, 2008, 30(1): 80-85.

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BTEX anomalies used as indicators of submarine oil and gas reservoirs

1.
Key Laboratory of Marine Hydrocarbon Resources and Environment Geology of Ministry of Land and Resources, Qingdao Institute of Marine Geology, Ministry of Land and Resources, Qingdao 266071, China;Qingdao Institute of Marine Geology, Ministry of land and Notural Rsources, Qingdao 266071, China
2.
China University(East China)of Petroleum, Dongying 257061, China

Received Date: 2007-02-02
Rev Recd Date: 2007-07-23

Abstract

Abstract

It is a conventional method for geochemical petroleum prospecting to generally use paraffin hydrocarbon as basic indexes of oil and gas.This conventional geochemical technology, however, shows some limits in the prospecting as paraffin is vulnerable to influences from human and biologic activities.Consequently, BTEX (short for benzene, toluene, ethyl benzene and xylem, which are direct biomarkers) among aromatic hydrocarbon series has been taken into account for the oil and gas prediction.Domestic and foreign study results demonst rate that BTEX is hardly disturbed and can well indicate oil and gas reservoirs.On the basis of measured data from a South China Sea area, self-developed visual assessment software for the geochemical petroleum prospecting is used to process data, strip background anomalies, and outline significant BTEX anomalies.Through comparison with stratigraphic profiles of the target area, it is confirmed that BTEX is good indicators of submarine oil and gas reservoirs.
- BTEX,
- submarine geochemical petroleum prospecting,
- chemical anomaly,
- oil and gas reservoirs

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References(12)

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