Stratigraphic Correlation of Paleogene in Lengke-1 Well, Qaidam Basin

Abstract

Abstract: Lengke-1 Well is a scientific investigation well with depth of 5 200 m. With the multidisciplinary research and correlation, the classification problem about in-situ strata in this well is solved, thus unifying or determining the borderline between eastern and western Qaidam basin. The well depth with Hemicyprinotus valvaetumidus and Australocypris in the northern margin of Qaidam basin is calibrated on the seismic line of 1182-1 179-1199 in Saishiteng sag. Prowiding a significant evidence for mapping the regional strati graphic framework in this area.

Key words: Qaidam basin, Lengke-1 Well, Paleogene, stratigraphic correlation, ostracoda, key fossil zone

CLC Number:

TE111.3

YUAN Xiu-jun, DONG Ning, ZHANG Hai-quan. Stratigraphic Correlation of Paleogene in Lengke-1 Well, Qaidam Basin[J]. Xinjiang Petroleum Geology, 2005, 26(4): 459-461.

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Stratigraphic Correlation of Paleogene in Lengke-1 Well, Qaidam Basin

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