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Correlation Between Hysteresis, Elastic Moduli and Petrophysical Properties in Sedimentary RocksNormal access

Authors: R. Fasolo, R. Missagia and M. Ceia
Event name: 81st EAGE Conference and Exhibition 2019
Session: Poster: Core Analysis & Rock Physics
Publication date: 03 June 2019
DOI: 10.3997/2214-4609.201901435
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 508.32Kb )
Price: € 20

Summary:
ut on 05 sandstones and 03 carbonate core samples. The results indicated that hysteresis is severely dependent on depositional texture, and it is directly related to Young modulus and Bulk modulus. Tight rocks exhibited higher hysteresis than friable rocks, due to frictional sliding and grain contact adhesion, which causes permanent damage to pore structure. Porosity displays an inverse relation to hysteresis, as high pore density enables rock’s matrix to deform and recover its shape without frictional sliding and grain contact adhesion.


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