Xem 1-9 trên 9 kết quả Fractured reservoirs
  • CO2 injection has recently been shown to provide significant enhanced oil recovery from naturally fractured reservoirs 1 . Li et al. (2000) performed CO2 injection at 1750 psig on artificially-fractured cores after water flooding in a dead-oil system. Gravity drainage was suggested to be the dominant recovery mechanism in these tests, with significant tertiary oil recovery after water flooding. The authors observed that the recovery of initial oil at the start of the CO2 injection declined as the rock permeability decreased and the initial water saturation increased. Darvish et al.

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  • This course covers geologic and engineering concepts, methodology, and technology used to characterize, evaluate and manage naturally-fractured reservoirs. Applications and limitations of geologic and engineering procedures and tools are discussed. Field examples and case studies demonstrate the importance of integrated geologic and engineering studies in developing effective, economical reservoir management strategies for different types of reservoirs.

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  • .Geologic Analysis of Naturally Fractured Reservoirs ..Geologic Analysis of Naturally Fractured Reservoirs SECOND EDITION By R.A. Nelson BP Amoco Houston, TX Boston Oxford Auckland Johannesburg Melbourne New Delhi .Gulf Professional Publishing is an imprint of Butterworth–Heinemann. Copyright © 2001 by Butterworth–Heinemann A member of the Reed Elsevier group All rights reserved.

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  • that can occur during the various phases of oil and gas recovery from subsurface reservoirs including production, drilling, hydraulic fracturing, and workover operations. Formation damage assessment, control, and remediation are among the most important issues to be resolved for efficient exploitation of hydrocarbon reservoirs. Such damage is caused by various adverse processes, including chemical, physical, biological, and thermal interactions of formation and fluids, and deformation of formation under stress and fluid shear.

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  • Fractures are ubiquitous in the brittle lithosphere in the upper part of earth’s crust. They play a critical role in the transport of fluids. Moreover, all major discovered geothermal reservoirs and a considerable number of petroleum reservoirs are in fractured rocks. This restates the importance of studying multiphase flow behavior inside the opened fracture space. From the engineering point of view, a rock fracture as defined here is simply a complex-shaped cavity filled with fluids or solid minerals. Therefore it is understood to include cracks, joints, and faults.

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  • CO2 injection has recently been shown to provide significant enhanced oil recovery from naturally fractured reservoirs1. Li et al. (2000) performed CO2 injection at 1750 psig on artificially-fractured cores after water flooding in a dead-oil system. Gravity drainage was suggested to be the dominant recovery mechanism in these tests, with significant tertiary oil recovery after water flooding. The authors observed that the recovery of initial oil at the start of the CO2 injection declined as the rock permeability decreased and the initial water saturation increased....

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  • In reality, the reservoir rock space is a very complex metamerism; however when caculating according to the common way, in many cases, we consider the void structure in the rocks as similar fractal, and use suitable statistical approximate formula to demonstrate the space in form of effective homogene. When researching the layers, we take the rock samples from one layer with different collector parameter. To get a parameter value (grain density, porosity, permeability, saturation etc.

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  • Worldwide, crude oil demand is unceasingly increasing. As a response, Enhanced Oil Recovery (EOR) processes have re‐gained interest from the research and development phases to the oilfield EOR implementation stage. This renewed interest has been also furthered by the current high oil price environment, the maturation of oilfields worldwide, and few new‐well discoveries. Concurrently, environmental concerns and public pressure related to crude oil pollution control and remediation of oilcontaminated sites are becoming greater than ever....

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  • In this important new book and presents the quintessential guide for gas engineers, emphasizing the practical aspects of natural gas production. Readers will learn to incorporate cutting-edge research in estimating reserves, evaluating the performance of fractured wells, processing gas, and material balance analysis; learn to evaluate future performance of gas reservoirs; learn to improve the performance of gas wells; and more.

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