Refined Interpretation of Sequence and! Prediction of Sandbodies in Altun A rea, Qaidam Basin

Abstract

Abstract: Combined with refined analysis result of sequence, the seismic prediction technique on reservoir can lead to good results of seismic attribute depending on parasequence under the framework of systems tract. This study shows the prediction of a potential sandbodies distribution of channel turbidite of basin floor fan in the deep lake of Altun area. The braided channel turbidite of middle basin floor fan is characterized by gray and green-grayish sandstone and conglomerate and graveled sandstone with grain-sequence, interbedding with semi-deep and deep lacustrine mudstone. Based on the predicted sandbodies and related structural and oil-generating conditions, the favorable targets for exploration of lithological oil-gas reservoir can be determined.

Key words: Altun area, sequence stratigraphy, parasequence, fan delta, sandbody, Qaidam basin

CLC Number:

TE111.3

WU Yin-ye, LIU Yun-tian, JIANG Bo, LIU Zhong, LI Jun, CUI Hua-juan. Refined Interpretation of Sequence and! Prediction of Sandbodies in Altun A rea, Qaidam Basin[J]. Xinjiang Petroleum Geology, 2005, 26(4): 357-359.

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Refined Interpretation of Sequence and! Prediction of Sandbodies in Altun A rea, Qaidam Basin

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