A graphical model for haloanhydrite components and P-wave velocity: A case study of haloanhydrites in Amu Darya Basin |
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| Authors: | Tong-Cui Guo Hong-Jun Wang Long-Xin Mu Xing-Yang Zhang Zhi Ma Yu Tian Hao-Chen Li |
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| Institution: | 1.Research Institute of Petroleum Exploration and development,Beijing,China;2.Petro China International Corporation,Beijing,China;3.China Huayou (Group) Corporation,Beijing,China |
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| Abstract: | Wave velocities in haloanhydrites are difficult to determine and significantly depend on the mineralogy. We used petrophysical parameters to study the wave velocity in haloanhydrites in the Amur Darya Basin and constructed a template of the relation between haloanhydrite mineralogy (anhydrite, salt, mudstone, and pore water) and wave velocities. We used the relation between the P-wave moduli ratio and porosity as constraint and constructed a graphical model (petrophysical template) for the relation between wave velocity, mineral content and porosity. We tested the graphical model using rock core and well logging data. |
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