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| PubMed | |
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Article by Yu, Y. P. |
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Article by Liu, L. |
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Article by Xu, S. L. |
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Article by Wu, S. J. |
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Article by Liu, C. |
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Article by Song, S. S. |
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Article by Liu, N. |
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Article by Zhao, S. |
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Article by Li, X. |
������о�۲�ͱ�Ƭ����������ɳȺ������ 1 ��÷ɽ��һ�����ｸ������������ϵͳ���������ۡ��о���������ʯ�ɷ�Ϊ����ʯ�Ͱ���ʯ; ��ʯ�鹹Ϊ�Ǽܺ���м���������ʡ�������; ��ʯ�����а����ҡ����ʰ����ҡ��������ҡ��������Һ�Ư�����ҡ������ռ����Ͱ���ԭ������ס����ڿ;���ף������ܿס���ģ�ס������ܿ��ѷ졣�����Ҵ������Ժã��������Ҵ������Բ�о�������Ϊ�߿ס������ʹ��㣬���Ϊ�пס������ʹ��㣬���������ĵͿס������ʹ��㡣
The reef reservoir in Meishan Formation from Well Xike 1 in Xisha islands has been systematically analysed and evaluated based on core observation and thin section authentication�� ��esults show that the mineral composition of reservoir rocks are calcite and dolomite�� The rock fabrics include skeleton��detrital grains��matrix and cement�� The rocks are dolomite��limy dolomite��grainstone��packestone and floatstone in type�� The main reservoir spaces include intergranular pores��intragranular pores��intracrystalline pores��vugular pores��moldic pores��intragranular dissoved pores and fracture pores�� The dolomite reservoir is of good physical properties while the grainstone reservoir is poor�� The studied area is predominately comprised of high porosity and high permeability reservoir��secondly medium porosity and medium permeability reservoir��and a small amount of reservoir with low porosity and low permeability��