Essays about: "deep drilling"

Showing result 16 - 20 of 24 essays containing the words deep drilling.

  1. 16. Response of Phytoplankton to Climatic Changes during the Eocene-Oligocene Transition at the North Atlantic ODP Site 612

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Lucía Rivero Cuesta; [2015]
    Keywords : Phytoplankton; abundance; coccoliths; silica; Eocene; Oligocene; Fytoplankton; antal; coccoliter; kisel; Eocen; Oligocen; Fitoplancton; abundancia; cocolitos; sílice; Eoceno; Oligoceno;

    Abstract : The development of modern glacial climates occurred during the Eocene-Oligocene transition (34 to 35.5 Ma) when a decrease of atmospheric CO2 led to a global temperature fall. The ocean was deeply affected, both in the surface and the deep-sea, suffering a strong reorganization including currents and phytoplankton distribution. READ MORE

  3. 17. Deep hole drilling - Cutting forces and balance of tools

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Carmen Malave; [2015]
    Keywords : Deep hole drilling; resultant radial force; cutting forces.;

    Abstract : Drilling is a standard process for producing holes in metal materials. With an increased hole depth the demands increase on both machine and tool. Deep hole drilling is a complex process which ischaracterized by a high metal removal rate and hole accuracy. READ MORE

  4. 18. Geotermisk fjärrvärme i Gunsta

    University essay from SLU/Dept. of Energy and Technology

    Author : Caroline Krouthén; Andreas Lundgren; Per Mandfloen; Karl-Oskar Sandberg; Johanna Sjöberg-Högerås; Johan Thorell; Svante Wärnsberg Monie; [2014]
    Keywords : geotermi; geotermisk energi; fjärrvärme; Gunsta; förnybar; värmekälla; värmeproduktion;

    Abstract : Gunsta is situated about 10 km east of Uppsala. Today there are plans to establish 1000 new households in Gunsta before year 2030. The required energy for heating houses and water would be distributed via a district heating system, which also includes 200 existing residences. The annual required energy, according to this study, would be 16. READ MORE

  5. 19. Changes and Challenges of ERP Implementation in the Context of Procurement and Supply Chain Processes - A Case Study at Maersk Drilling

    University essay from Lunds universitet/Teknisk logistik

    Author : Rickard Karlsson; Erik Flink; [2014]
    Keywords : Supply Chain Management; Procurement; Processes; Change Management; ERP; Perceived challenges; Oil and Gas; Försörjningskedjor; Inköp; Processer; Förändringsarbete; Technology and Engineering;

    Abstract : Problem Discussion: The oil and gas sector is not very mature in terms of supply chain management. The chosen case company, Maersk Drilling (MD), has problems with a split IT-­landscape with poor data quality. It has caused problems with inefficient and complex processes with much communication required, parallel information and more. READ MORE

  6. 20. Optimering av reducerad bearbetning : högre skörd till lägre kostnad

    University essay from SLU/Dept. of Soil and Environment

    Author : Nils Wiklund; [2013]
    Keywords : jordbearbetning; reducerad bearbetning; infiltration; dragkraftsmätning; penetrometer;

    Abstract : Optimization of soil tillage and crop rotation is important in many aspects, but particularly in maximizing profit margins. Since the economic outcome is usually decisive, it can be interesting to study different combinations of soil tillage systems and crop rotations in order to identify the maximum economic outcome. READ MORE