Relationship Between Grain Size and Physical Properties of Dolomites in Order to Geomechanics Study of Dolomite Reservoirs

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LAKIROUHANI ALI; Asemi Farhad; ZOHDI AFSHIN

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Journal: PETROLEUM RESEARCH Year:2018 | Volume:28 | Issue:98 Page(s): 150-161

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Information Journal Paper

Title

Relationship Between Grain Size and Physical Properties of Dolomites in Order to Geomechanics Study of Dolomite Reservoirs

Author(s)

LAKIROUHANI ALI | Asemi Farhad | ZOHDI AFSHIN | Issue Writer Certificate

Keywords

DolomiteQ1

Grain SizeQ1

Compressive and Shear Wave VelocityQ1

Dynamic Elastic ConstantsQ1

Soltanieh and Elika FormationsQ1

Abstract

Based on the extensive studies which have been done, undoubtedly, the role of the wave velocity data of rocks in hydrocarbon reservoir evaluation is absolutely vital. Within, it is important to study the wave velocities in the Dolomites, which often make up one of the best parts of hydrocarbon reservoirs in the carbonate system. Certainly, the texture of rocks, mineralogical composition, grain size, percent of quartz in rocks, and many microstructure properties affect the Engineering and Physical Behavior of rocks. According with previous studies and to better understanding this relationship, a comprehensive program of tests on the three categories of dolomite with fine, medium and coarse grained were designed. In this paper, the results related to the measurement of compressive (Vp) and shear wave velocity (Vs) for 32 samples are given. According to the results, with increasing in grain size, density of rock decreases. The compressive and shear wave velocity for fine grain and coarse grain samples were found to be %9 and %12 lower, respectively, than those for the medium grain samples. The results showed that for fine, medium and coarse grain samples; moreover, the ratio of Vp/Vs is 1. 78, 1. 81, and 1. 77 respectively. It was also observed that the dynamic Young› s modulus for the medium grain samples approximately 15% of the fine grain samples and approximately 27% of the coarse grain samples is more. In addition, it was found that a significant change does not occur in Poisson› s ratio of the studied rocks with an increase in grain size.

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APA: Copy

LAKIROUHANI, ALI, Asemi, Farhad, & ZOHDI, AFSHIN. (2018). Relationship Between Grain Size and Physical Properties of Dolomites in Order to Geomechanics Study of Dolomite Reservoirs. PETROLEUM RESEARCH, 28(98 ), 150-161. SID. https://sid.ir/paper/115127/en

Vancouver: Copy

LAKIROUHANI ALI, Asemi Farhad, ZOHDI AFSHIN. Relationship Between Grain Size and Physical Properties of Dolomites in Order to Geomechanics Study of Dolomite Reservoirs. PETROLEUM RESEARCH[Internet]. 2018;28(98 ):150-161. Available from: https://sid.ir/paper/115127/en

IEEE: Copy

ALI LAKIROUHANI, Farhad Asemi, and AFSHIN ZOHDI, “Relationship Between Grain Size and Physical Properties of Dolomites in Order to Geomechanics Study of Dolomite Reservoirs,” PETROLEUM RESEARCH, vol. 28, no. 98 , pp. 150–161, 2018, [Online]. Available: https://sid.ir/paper/115127/en

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