Oil Companies
Mostrando 1-12 de 93 artigos, teses e dissertações.
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1. Custos de Agência e Estrutura de Controle em Empresas Petrolíferas
Resumo Este estudo se propõe a analisar a influência da participação estatal no controle de empresas petrolíferas listadas em bolsas americanas sobre os seus custos de agência, levando em conta características destas companhias. Os resultados indicam que empresas com participação estatal tendem a apresentar maiores custos de agência que seus pares
Rev. adm. contemp.. Publicado em: 15/08/2019
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2. Experimental bedforms by saline density currents
Abstract Bedforms are sedimentary features that can be generated on the seafloor by the interaction between density currents and mobile beds. Developing knowledge about the hydraulic and sedimentary processes involved during these events is in the interest of research groups and oil companies. Because of the magnitude of the density currents in its natural e
Braz. J. Geol.. Publicado em: 20/05/2019
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3. Recent movement of oil prices and future scenarios
Resumo Os movimentos recentes dos preços do petróleo trouxeram várias especulações sobre as previsões futuras. Este é um fato normal pois o petróleo é a fonte de energia mais relevante no mundo e teve uma enorme queda em seus preços após 2014. Este artigo examina as probabilidades de cenários para o preço à vista. Os preços foram modelados por
Nova econ.. Publicado em: 09/05/2019
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4. Design of Ground Penetrating Radar Antenna for Detecting Soil Contamination at L-band Frequencies
Abstract Maintenance of oil pipelines is an issue of great concern for oil companies. Soil contamination is caused by oil leaks from underground pipelines. Ground penetrating radar (GPR) is a rapid and relatively inexpensive technique used for locating and characterizing soil contaminated sites without producing fractures and causing further migration of con
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2017-09
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5. THE IMPACTS OF OIL PRICE VOLATILITY ON STRATEGIC INVESTMENT OF OIL COMPANIES IN NORTH AMERICA, ASIA, AND EUROPE
ABSTRACT The crude oil price volatility plays an essential role for the oil companies when making a strategic investment decision. Different economic and political backgrounds could drive oil companies in North America, Asia, and Europe to make different strategic investment decision. Real options methodology is applied in analyzing the impact of oil price v
Pesqui. Oper.. Publicado em: 2016-04
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6. Assessing carriers’ logistical performance indicator by shippers in the São Paulo Metropolitan Area
Abstract This paper aims to assess the logistics services provided by carriers in the São Paulo Metropolitan Area (SPMA) considering two perspectives: the efficiency of the operations and the adoption of sustainable measures. A survey was applied to the 15 main shippers working with the selected carrier in order to assess logistics performance indicators (o
J. Transp. Lit.. Publicado em: 2015-12
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7. Influence of lubricant oil residual fraction on recycled high density polyethylene properties and plastic packaging reverse logistics proposal
Abstract To recycle post-consumer HDPE contaminated with waste lubricating oils, companies include prior washing and drying in the process. This consumes large amounts of water and energy, generates significant effluent requiring treatment. This study assesses lubricating oil influence on HDPE properties to evaluate the feasibility of its direct mechanical r
Polímeros. Publicado em: 2015-10
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8. Rethinking "energy nationalism": a study of the relationship between nation states and companies in the oil industry
RESUMOO termo "nacionalismo energético" é frequentemente utilizado pela literatura e mídia acadêmicas, mas geralmente sem precisão conceitual adequada. Apesar disso, um conjunto de artigos aprofunda a discussão sobre a relação entre estados nacionais e a indústria energética, especialmente o setor de petróleo. Estes artigos permitem identificar el
Brazil. J. Polit. Econ.. Publicado em: 2015-09
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9. Industrial wastewater as raw material for exopolysaccharide production by Rhizobium leguminosarum
The objective of this study was to evaluate the exopolysaccharide (EPS) production by Rhizobium leguminosarum cultivated in wastewater generated by oil companies (WWOC1 and WWOC2) and fish processing industry (WWFP). The results obtained in Erlenmeyer flasks indicated that the rhizobial strain grew well in industrial wastewater. Generally, wastewater composi
Braz. J. Microbiol.. Publicado em: 2015-06
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10. An overview of heavy oil properties and its recovery and transportation methods
Unconventional oils - mainly heavy oils, extra heavy oils and bitumens - represent a significant share of the total oil world reserves. Oil companies have expressed interest in unconventional oil as alternative resources for the energy supply. These resources are composed usually of viscous oils and, for this reason, their use requires additional efforts to
Braz. J. Chem. Eng.. Publicado em: 2014-09
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11. DEVELOPMENT OF INSULATING MAGNETIC OIL FOR TRANSFORMERS
The Centrais Elétricas do Norte do Brasil AS – Eletronorte, as well as other companies in the world energy sector, have problems of loss of the performance by excessive heat and even accidents with their transformers. The maintenance and accidents impact of energy supply, generating profit and more expensive insurance premiums. The transformers are essent
Publicado em: 20/07/2014
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12. INFORMATION FLOW IN SUPPLY CHAIN FOR REFINED OIL PRODUCTS: CASE PETROBRAS / FLUXOS DE INFORMAÇÃO EM CADEIA DE SUPRIMENTOS DE DERIVADOS DE PETRÓLEO: CASO PETROBRAS
The integration of processes and systems related to logistics inside the companies and together with their suppliers and customers has been established as a trend in the past few years. The use of logistics as a competitive advantage and to add value to the products and services has become, more and more, one of the strategic issues for the companies. More r
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/08/2012