轮深地区寒武系台缘礁滩相储层预测

doi:10.11743/ogg20150511

Abstract

Abstract: An extensive research has been performed on the lithofacies and carbonate platform types of the Cambrian in the Tarim Basin during the past decades.However,studies on the development characteristics,distribution patterns and high-quality reservoirs of the reef-flat facies are rarely documented because of the deep burial of the Cambrian,the sparse and limited exploratory wells that penetrate and reveal a relatively whole Cambrian as well as the limited quantity,cove-rage and quality of seismic data.Lunshen area located in the center of Lun Nan low salient ais taken as an example to analyze the drilling data and regional stratigraphy based on the previous study.It reveals that the Cambrian carbonate reservoirs have close relationship with sequence stratigraphy which has typical progradation characteristics of platform margin.Under the constraint of sequence stratigraphic framework and in combination with the analysis on seismic facies,a detailed description is performed on the characteristics of the Cambrian sedimentary strata in platform area,platform margin and basin area in different periods.Development characteristics,distribution and location of high-quality reservoirs of reef flat facies on platform margin are confirmed.It is of great significance for understanding the characteristics of deep reef flat facies on platform margin and selecting deep targets in Lunshen area.

Key words: reef flat facies of platform margin, sequence stratigraphy, high-quality reservoir, deep oil and gas exploration, Lunshen area, Tarim Basin

CLC Number:

TE122.2

Fan Xingyan, Zhang Yan, Xiao Gaojie, Tang Xian. Reservoir prediction of the Cambrian reef flat facies of platform margin in Lunshen area[J]. Oil & Gas Geology, 2015, 36(5): 793-803.

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Reservoir prediction of the Cambrian reef flat facies of platform margin in Lunshen area

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