Geomechanical Log Deduced from Porosity and Mineralogical Content

E. Bemer; O. Vincké; P. Longuemare

Geomechanical Log Deduced from Porosity and Mineralogical Content

E. Bemer ¹ O. Vincké ¹ P. Longuemare ¹

1 IFPEN - IFP Energies nouvelles

E. Bemer ¹ AuthorId : 11395138
Author

O. Vincké ¹ AuthorId : 1105437
Author

P. Longuemare ¹ AuthorId : 1724699
Author

1 IFPEN - IFP Energies nouvelles (1-4 avenue de Bois Préau 92500 Rueil-Malmaison - France) StructId : 300006

IFPEN - IFP Energies nouvelles (Rond-point de l'échangeur de Solaize, BP 3, 69360 Solaize - France) StructId : 534301

Abstract : The "geomechanical log" research project aims at estimating rock mechanical properties from a set of models, whose input data can be deduced from drilling logs and measurements on core samples (if these are available). The key point is to focus on defining relatively general and easy to handle models. In this paper, we propose various analytical models allowing one to estimate poroelastic and failure properties of limestones and sandstones directly from their porosity and, in the specific case of sandstone poroelastic characteristics, their mineralogical content. The properties obtained are in reasonable agreement with experimental data. The second step of the project will be to actually infer the input data for the models (here porosity and mineral content) from drilling logs and to compare the results obtained to tests on core samples. A geomechanical log could then be automatically created from standard logs and help to optimize drilling. We also intend to test the same approaches on rock plastic properties and shale behavior.

Document type :

Journal articles

Domain :

Physics [physics]

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https://hal-ifp.archives-ouvertes.fr/hal-02017310
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Submitted on : Wednesday, February 13, 2019 - 10:02:21 AM
Last modification on : Thursday, February 14, 2019 - 1:16:53 AM
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Geomechanical Log Deduced from Porosity and Mineralogical Content

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