Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.14279/14215
Title: | A hydro-mechanical erosion analytical model for sand prediction | Authors: | Gravanis, Elias Sarris, Ernestos Papanastasiou, P. |
Major Field of Science: | Engineering and Technology | Field Category: | Mechanical Engineering | Keywords: | Sand;Oil field equipment;Drawdown pressure | Issue Date: | 26-Jun-2016 | Source: | 50th US Rock Mechanics / Geomechanics Symposium 2016, Houston, United States, 26 June 2016 through 29 June 2016 | Conference: | US Rock Mechanics / Geomechanics Symposium | Abstract: | Copyright 2016 ARMA, American Rock Mechanics Association. Sand production is one of the major research subjects in petroleum industry. The physical processes that dominate the problem depend on the in-situ stress field and the hydro-mechanical conditions (i.e. the state of the material). The problem is usually dealt with either experimentally or numerically due to the complexity of the governing equations. In our previous work, we introduced an erosion model which is built upon the physics (fluid-solid poro-mechanical coupling) usually incorporated in erosion models for the prediction of sand production. In this work we briefly outline the mathematical framework upon which our sand production model works due to erosion. The focus of this analysis is the parametric investigation of the material parameters that dominate the poro-elastoplastic constitutive model (cohesion and friction angle) for weak unconsolidated formations. Typically such formations are dominated by plastic compaction upon loading and are characterized by low cohesive strength (low cohesion) but significant frictional stress dependent strength (high friction angle). | Description: | 50th US Rock Mechanics / Geomechanics Symposium 2016, Volume 2, 2016, Pages 889-896 | URI: | https://hdl.handle.net/20.500.14279/14215 | ISBN: | 978-151082802-5 | Type: | Conference Papers | Affiliation : | Cyprus University of Technology University of Nicosia University of Cyprus |
Publication Type: | Peer Reviewed |
Appears in Collections: | Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation |
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