91 resultados para Reservatórios (Operação)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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O Campo Socororo é considerado maduro, com dados antigos e de baixa qualidade. O campo não produziu nos volumes originalmente calculados, o que se traduz num campo com potencial para continuar produzindo. A presente pesquisa considera como fator importante a compreensão da origem e distribuição dos níveis de arenito capazes de conter hidrocarbonetos. Campos com predomínio de ambientes flúvio-deltaicos contêm reservatórios com corpos de arenito separados na vertical e na lateral pela presença de folhelhos. Essa disposição das camadas dificulta a correlação poço a poço desses reservatórios, o que leva à necessidade de incluir modelos geológicos. Para avaliar os resultados da interpretação dos perfis do campo Socororo, nos níveis Merecure (Oligoceno) e Oficina (Mioceno), foi feita uma correlação com os resultados de perfis de poço do Campo Budare, imediatamente a oeste de Socororo, e do Projeto Piloto da área Zuata, na faixa de óleo pesado do Orinoco. No modelo geológico obtido, é possível observar a separação entre os diferentes níveis-reservatório, mostrando que a unidade com maior volume de arenito encontra-se na porção inferior, identificada como “Formação Merecure” (Oligo-Mioceno). Na porção superior encontra-se a Formação Oficina, caracterizada por níveis de arenito pouco espessos e com diminuição da frequência dos arenitos para o topo. Tais características são observadas na correlação cronoestratigráfica de ciclos e zonas-reservatório dos campos Socororo e Budare e da área Zuata na Faixa do Orinoco.
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Pós-graduação em Ciências Biológicas (Zoologia) - IBB
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This study investigated the following aspects regarding a soakaway, i.e. an infiltration well: i) entrance filter device; ii) permeability of the geotextile; and iii) emptying time. The 3.6 m³ infiltration well drains a roof area of 241.8 m². The entrance device is made up of layers of sand, gravel and geotextile set on a metal structure. The concrete rings that form the lateral walls were covered with geotextile, and bricks were laid between the soil and concrete rings. The infiltration well remained in operation during the entire testing period, and specific events were simulated to measure the emptying time. Permeability and fine particle tests were carried out after eight months of operation. Samples of geotextile taken from the bottom, the walls and the entrance device presented average permeability reductions of approximately 50.7%, 7.7% and 21.2%, respectively. The sand in the entrance device retained around 34.8% of fine particles and the gravel retained 0.13% in the same period. The infiltration rate was approximately 34.7 mm/h. The R2 coefficient for measured and calculated times was 0.97.
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Pós-graduação em Agronomia (Ciência do Solo) - FCAV
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Engenharia Elétrica - FEIS
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Pós-graduação em Engenharia Elétrica - FEIS
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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The increasing concerns about the health and safety is significantly changing the costeffective management of labor, also becoming an important tool in the pursuit of quality. In this context the present work makes a studyin a steel mill, to determine an action plan with the goal of reducing the risk of injury during handling and setting up bearings in a workshop of rolling mill rolls. The study is structured through the Method of Analysis and Troubleshooting, and quality tools. The definition of the action plan has brought lowcost measures that seek to solve the problem, eliminating the possibility of fatality or inability to employees
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Of the four lacustrine deltaic models, which were found in the Pendência formation, two are represented in the Serraria field. Respectively the deltaic models 1 and 3 shows the reservoir zones A and B. The Zone A is divided into six sub-areas. Each is representing a smaller cycle of development of sigmoidal lobes of deltaic front. Zone B produces in reservoirs of Model 3, or so called Full delta. The Zone B is formed by overlapping the deltaic plain system over the deltaic/prodeltaic front (model 1). This work uses the method of zooming with the aim to contextualize the geometric aspects of the sand bodies, highlighting the analysis of facies and diagenesis with help of pictures and testimonies of thin sections. The sigmoidal lobes of Zone A are fine to very fine sandstones, well sorted, with a arcosian composition.;practically with a weak compaction and cementation of a kind of film of clay (if very fine) and overgrowth feldspar (fine texture). This silicate phases are succeeded by cementation of poiquilotópica calcite, and after this a stage of dissolution, containing only regular permoporosity for this reservoir. Zone B has a combination of two types of deltaic plain reservoir. One is the rarest of distributary channel and the other the most common of lobes of crevasse. In the channel coarse to medium-grained and poor to moderate sorted sandstones are formed (tuning up), and with a lytic arcosiana nature. Rarely there are cements, including growth of feldspar and rhombohedral dolomite, which prevent a high permoporosity of the reservoir. In the crevasse lobes, the sandstones are laminated, fine and well sorted, arkosic, rarely with overgrowth feldspar and calcite poiquilotópica, and with a good intergranular permoporosity