A methodology to use of rcx straddle packer microfrac for the determination of minimum horizontal stress in vaca muerta formation
Autor(es): Vladimir Ernesto Merchan. Carlos Ferlaza. Claudia Teran. Martin Paris.
El campo A se encuentra costa afuera de la bahia de Campeche. La estructura es un bloque anticlinal aloctono, cerrado en su flanco norte por fallas de cabalgamiento. En este campo se ha observado mucha inestabilidad de pozo alrededor de las fallas, generando grandes derrumbes t...
Autor(es): Vladimir Ernesto Merchan. Tomás Ricardo Nava Carreón. Francis Elisabeth. Rafael Zepeda Garduño. Ismael Díaz Hernández.
The paper presents an experimental study on the residual shear strength of different clayey soils at varying totalsuctions. In a ?rst part of the paper some insight into the behaviour of residual shear strength of a ?lled rock discontinuityis presented to bring into light the s...
Autor(es): Vladimir Ernesto Merchan. Enrique Romero. Jean Vaunat.
The paper presents an adapted experimental setup to study the residual shear strength properties of clays under unsaturated state conditions. This issue is of geotechnical concern in stability analysis of slopes in fissured rocks with unsaturated clayey fills and also, in a more ...
Autor(es): Vladimir Ernesto Merchan. Enrique Romero. Jean Vaunat.