Diagenetic evolution of Carboniferous clastic reservoir in the southwest depression of Tarim basin

ZHAO Xin; SHI Ji-an; WANG Qi; CHENG Guo-jun

Northwestern Geology > 2004 > 37(3): 67-72.

ZHAO Xin, SHI Ji-an, WANG Qi, et al. Diagenetic evolution of Carboniferous clastic reservoir in the southwest depression of Tarim basin[J]. Northwestern Geology, 2004, 37(3): 67-72.

Citation:

ZHAO Xin, SHI Ji-an, WANG Qi, et al. Diagenetic evolution of Carboniferous clastic reservoir in the southwest depression of Tarim basin[J]. Northwestern Geology, 2004, 37(3): 67-72.

Citation:

ZHAO Xin, SHI Ji-an, WANG Qi, et al. Diagenetic evolution of Carboniferous clastic reservoir in the southwest depression of Tarim basin[J]. Northwestern Geology, 2004, 37(3): 67-72.

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Diagenetic evolution of Carboniferous clastic reservoir in the southwest depression of Tarim basin

1.
Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China;Graduate School of Chinese Academy of Sciences, Beijing 100039, China; 3. School of Earth Science and Land
2.
Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China
3.
Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China;Graduate School of Chinese Academy of Sciences, Beijing 100039, China; 3. School of Earth Science and Land

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Received Date: March 14, 2004
Revised Date: February 04, 2004
Published Date: September 04, 2004

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Abstract

Abstract

The Southwest depression is a secondary structure in the Tarim basin,with an area of 1.225×10⁵ square kilometers,and the main reservoir and production layer within Permo-Carboniferous strata.The major diagenesis of Carboniferous clastic rocks is mechanical compaction,cementation,replacement,dissolution and fracturing.Compaction and cementation resulted in poor reserveoir properties,but dissolution,particularly dissolution during deep burial,improved reservoir properties of clastic reservoirs.Crevice caused by fracturing lead to physical property better in reservoir to a certain extent.
- clastic reservoir,
- diagenesis,
- oil emplacement

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Diagenetic evolution of Carboniferous clastic reservoir in the southwest depression of Tarim basin

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