Now showing items 1-13 of 13

    • A submersible drill rig for coring soils and rocks 

      Devincenzi, M.J.; Pérez Garcia, N.; Samoili, K.; Arroyo Alvarez de Toledo, Marcos (2012)
      Conference report
      Restricted access - publisher's policy
      The paper describes the design and initial field-testing of a remotely operated submersible drill rig able to obtain continuous cores of soil and/or rock up to 6 m long. The rig mast angle is hydraulically actuated covering ...
    • Advances in the Discrete Element Method for drilling mechanics problems 

      Oñate Ibáñez de Navarra, Eugenio; Arrufat Garcia, Ferran; Zárate Araiza, José Francisco; Ubach de Fuentes, Pere-Andreu; Gandikota, Varadaraju; Ring, Lev (2013)
      Conference report
      Restricted access - publisher's policy
      We present recent developments in the Discrete Element method (DEM) for analysis of drilling mechanics problems typical in the oil and gas industry. A new local DEM constitutive model able to predict the non-linear behavior ...
    • Análisis de la correlación entre parámetros de control en máquinas pilotadoras y las propiedades resistenetes del terreno 

      Aparicio Morales, Ángel (Universitat Politècnica de Catalunya, 2009-07)
      Minor thesis
      Open Access
      En esta tesina se estudia la correlación entre los parámetros registrados durante la perforación por rotación de pilotes y las propiedades resistentes del terreno, siendo el primer trabajo publicado que conozcamos sobre ...
    • Análisis de las distintas metodologías utilizadas para el cálculo de asentamiento en perforación horizontal dirigida 

      Gonzalez Jimenez, Gabriel Ricardo (Universitat Politècnica de Catalunya, 2020-10-20)
      Master thesis
      Restricted access - author's decision
      En la presente monografía, se propuso evaluar el grado de predicción de tres métodos empíricos y analíticos, bibliográfica y experimentalmente contrastados, que reflejan el desplazamiento vertical que se produce en la ...
    • Automation and control in a submarine drill rig 

      Arriaga, Aldo; Devincenzi, M.; Pérez, N.; Deu, A.; Arroyo Alvarez de Toledo, Marcos (Society for Underwater Technology, 2017)
      Conference report
      Open Access
      Remotely operated submarine drills are gaining acceptance as offshore geotechnical investigation tools for they provide a more convenient and often cheaper solution to geotechnical drilling vessels. The MD500 is an underwater ...
    • Comparison between pre-investigations and geotechnical site characterization of City Link, Stockholm 

      Arqué Armengol, Anna (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2012-06-28)
      Minor thesis
      Open Access
      [ANGLÈS] The Swedish Government commissioned to Banverket the extension of the rail capacity through central Stockholm in December 2000. A commuter rail tunnel below Stockholm, the City Link, represented the solution for ...
    • Estudi pel disseny d'una perforació horitzontal dirigida 

      Sabio Navarro, David (Universitat Politècnica de Catalunya, 2017-07)
      Bachelor thesis
      Restricted access - author's decision
    • Estudio Microestructural del Rock Sanding 

      Garolera Vinent, Daniel (Universitat Politècnica de Catalunya, 2003-01-01)
      Minor thesis
      Open Access
      Castellà: El estudio de la producción de arena (rock sanding) en pozos petrolíferos ha sido objeto importante de investigación durante los últimos años debido al auge de las nuevas técnicas de producción: perforación con ...
    • Fluid effects in sand production simulations coupling DEM with CFD 

      Climent Pera, Natalia; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio; O'Sullivan, Catherine (CRC Press Taylor & Francis Group, 2014)
      Conference report
      Restricted access - publisher's policy
      Sand production around a wellbore is here simulated using a three dimensional numerical model based on Discrete Element Method (DEM) coupled with Computational Fluid Dynamics (CFD). The model is calibrated against a ...
    • Investigation of the wear of hard-metal drilling tools when drilling cast iron 

      Escursell Mor, Anna (Universitat Politècnica de Catalunya / Technishe Universität Darmstadt, 2009)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Spheroidal cast iron still has a lot of applications; especially in the automotive industry. In this Master Thesis the wear of the drilling tools and its effect on the quality of the drilled holes is being studied. An ...
    • Punching strength of reinforced concrete slabs under eccentric loading 

      Fourtsadakis, Kosmas (Universitat Politècnica de Catalunya, 2020-09-20)
      Master thesis
      Restricted access - author's decision
      Punching shear is a phenomenon in flat slabs caused by concentrated support reactions inducing a cone shaped perforation starting from the top surface of the slab. Although generally preceded by flexural failure, punching ...
    • Sistema per a la mesura de desviacions en perforacions 

      Closas Mateo, Marc (Universitat Politècnica de Catalunya, 2020-11-25)
      Bachelor thesis
      Open Access
      El projecte consisteix en el disseny, implementació i construcció d’un sistema capaç de detectar i calcular les desviacions reals que es produeixen a l’hora de perforar el subsòl. El sistema està format per un sensor, ...
    • Testing a new submersible drill rig 

      Romero, F.; Devincenzi, M.J.; Pérez Garcia, N.; Arroyo Alvarez de Toledo, Marcos; Deu, Amadeu (Society for Underwater Technology, 2013)
      Conference report
      Restricted access - publisher's policy
      The paper describes the main features and initial underwater field-testing results of a remotely operated submersible drill rig designed to obtain continuous cores of soil and/or rock up to 6m long in water depths of 200m. ...