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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

An?lise da trajet?ria de po?os horizontais em reservat?rio de ?leo pesado

Brito, Eduardo Eudes Farias de 01 December 2008 (has links)
Made available in DSpace on 2014-12-17T14:08:41Z (GMT). No. of bitstreams: 1 EduardoEFB_DISSERT_1-100.pdf: 2141096 bytes, checksum: 2c8315a9a7567e27a669088e0bbc6350 (MD5) Previous issue date: 2008-12-01 / The application of thermal methods, to increase the recovery of heavy oil in mature fields through drainage with multilateral and horizontal wells, has been thoroughly studied, theorically, experimentally, testing new tools and methods. The continuous injection of steam, through a steam injector well and a horizontal producer well in order to improve horizontal sweep of the fluid reservoir, it is an efficient method. Starting from an heterogeneous model, geologically characterized, modeling geostatistics, set history and identification of the best path of permeability, with seismic 3D, has been dubbed a studying model. It was studied horizontal wells in various directions in relation to the steam and the channel of higher permeability, in eight different depths. Into in the same area were studied, the sensitivity of the trajectories of horizontal wells, according to the depth of navigation. With the purpose of obtaining the highest output of oil to a particular flow, quality, temperature and time for the injection of steam. The wells studied showed a significant improvement in the cumulative oil recovery in one of the paths by promoting an alternative to application in mature fields or under development fields with heavy oil / A aplica??o de m?todos t?rmicos, para aumentar a recupera??o de ?leo pesado em campos maduros atrav?s da drenagem com po?os horizontais e multilaterais, tem sido exaustivamente estudada, te?rica e experimentalmente, testando novas ferramentas e novos m?todos. A inje??o cont?nua de vapor, atrav?s de um po?o injetor e de um po?o horizontal produtor com o objetivo de proporcionar uma varredura dos fluidos do reservat?rio, mostra-se um m?todo eficiente. Partindo de um modelo heterog?neo, geologicamente caracterizado por, modelagem geoestat?stica, ajuste de hist?rico e identifica??o do melhor caminho de permeabilidade, com a s?smica 3D, foi montado um modelo para estudo. Foram estudados po?os horizontais em v?rias dire??es em rela??o ao injetor de vapor e ao canal de maior permeabilidade, em oito profundidades diferentes. Dentro de uma mesma zona foram estudadas, a sensibilidade das trajet?rias de po?os horizontais, em fun??o da profundidade de navega??o. Com a finalidade de obter a maior produ??o acumulada de ?leo a uma determinada vaz?o, qualidade, temperatura e per?odo de inje??o do vapor. Os po?os estudados evidenciam uma melhora significativa na recupera??o acumulada de ?leo em uma das trajet?rias, promovendo uma alternativa de aplica??o em campos maduros ou em desenvolvimento com ?leo pesado

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