Determination of Lacustrine Palaeoshore Line and Its Controls on the High Quality Reservoir: A case from the 8 th member of Shihezi Formation in North Ordos Basin
doi: 10.14027/j.cnki.cjxb.2015.02.014
- Received Date: 2014-03-07
- Rev Recd Date: 2014-06-05
- Publish Date: 2015-04-10
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Key words:
- Ordos Basin /
- He 8 Formation /
- lacustrine palaeoshoreline /
- identification markers /
- high quality reservoir
Abstract: Lacustrine palaeoshore line is the intersection position between the lake level and the ancient land in geologic time, and the boundary between the onshore deposits and the subaqueous deposits. Determining the location of lacustrine palaeoshore line has important guide on exploration of oil and gas. In this paper, by the means of conventional mudstone color, mudstone X-ray diffraction analysis, GR curve characteristics, and organic petrology analysis, the location and swing area of lacustrine palaeoshore line of He 8 has been studied. The lacustrine palaeoshore line in the sedimentary basin controls the formation and development of the high quality reservoir. The physical properties of sandstones from sedimentary belt above water are better than those from shoreline swing band and underwater sedimentary belt sandstones because of the difference of sandstone size, soft lithoclast content, composition of interstitial material and diagenesis.
Citation: | ZHANG Hui, WANG HuaiChang, LIU XinShe, ZHAO HuiTao. Determination of Lacustrine Palaeoshore Line and Its Controls on the High Quality Reservoir: A case from the 8 th member of Shihezi Formation in North Ordos Basin[J]. Acta Sedimentologica Sinica, 2015, 33(2): 348-356. doi: 10.14027/j.cnki.cjxb.2015.02.014 |