Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 73 for “"Reservoir properties"”.
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An integrated seismic and well log analysis for the estimation of reservoir properties
… an integrated approach for characterizing the reservoir and estimating its properties both at the well locations and in the inter-wen regions. Such an approach can be an invaluable tool for attaining a detailed, consistent, and complete characterization of the reservoir, as not only does it …
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Numerical investigation of polymer injection effects on geomechanical reservoir properties during enhanced oil recovery
… affect the pore pressure distribution within the reservoir. The objective of this research work is investigating the effects of polymer injection on the geomechanical stress distribution within a reservoir. Specific objectives include sensitivity analysis of the polymer rheology to determine …
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Discovering Relationships between Reservoir Properties and Production Data for CHOPS Using Data Mining Methods
… We apply data mining methods to explore how the reservoir attributes influence the CHOPS wells production. Gain ratio is used to rank and select the most important attributes for oil production. For overall oil production performance, cumulative porosity, cumulative oil saturation, effective …
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Study of the Effect of Fracture Completion Variables on Decline Curve Parameters for Long-Term Production Forecast of Shale Liquids
Shale reservoir exploitation using multiple stage hydraulically fractured horizontal wells has proved the existence of considerable amount of oil and gas reserves throughout the world. Forecasts of future production from these reservoirs based on the fracture stimulation parameters and reservoir …
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Oil reservoir characterization using ensemble data assimilation
… oilfields that provide real-time measurements of reservoir conditions. These measurements can be used for more frequent reservoir model calibration and characterization that can lead to improved oil recovery though model-based closed-loop control and management. This thesis proposes an efficient …
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Porosity distribution prediction using artificial neural networks
Reservoir characterization plays a very important role in the petroleum industry, especially to the economic success of the reservoir development. Heterogeneity can complicate the evaluation of reservoir properties. Porosity is the primary key to a reliable reservoir model.;Several studies in the …
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Depositional Facies Analysis of the Cotton Valley Group Sandstones of the Blackburn Field, Northern Louisiana using Well Logs and Cores; Implications for Carbon Sequestration
… consists of tight sandstones with heterogeneous reservoir properties due to variations in depositional environments and diagenesis, spanning across eastern Texas through the Florida panhandle. It has served as a hydrocarbon target since the 1940s, and with recent technological advances, there is …
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Reservoir Characterization of the Broom Creek Formation For Carbon Dioxide Sequestration
… the design is to characterize the Broom Creek’s reservoir properties and provide detailed results of CO2 sequestration capacity, plume migration, and safety level. The methodology used to obtain results is an incorporation of geology, reservoir engineering, and injection operations. The reservoir …
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Uncertainty reduction in reservoir parameters prediction from multiscale data using machine learning in deep offshore reservoirs.
Developing a complete characterization of reservoir properties involved in subsurface multiphase flow is a very challenging task. In most cases, these properties - such as porosity, water saturation, permeability (and their variants), pressure, wettability, bulk modulus, Young modulus, shear …
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Permeability prediction from well log data using multiple regression analysis
An accurate reservoir description is very important in reservoir evaluation, and permeability prediction is the key for a successful characterization. However, despite its importance, obtaining permeability values through the reservoir is not a trivial task. It is costly and time-consuming.;Many …
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A novel diagnostic fracture injection test workflow considering natural fractures
… injection test (DFIT) are used in unconventional reservoirs to determine reservoir characteristics for future fracture design and production. DFIT consists of creating a minifrac by pumping small amounts of water and monitoring the pressure response. The presence of natural fractures can heavily …
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Application of Raman Spectroscopy and Transmission Spectroscopy for Shale Reservoir Characterization: Thermal Maturity Correlation and Organic Matter Type Differentiation
… become of economic importance as unconventional reservoirs. As a result, in addition to thermal maturity, other aspects of shale formations related to their reservoir properties have received increasing attention. These include: 1) the development of porosity in the OM with increasing thermal …
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Screening Geostatistical Realizations for SAGD Reservoir Simulation
… heterogeneities that exist in the petrophysical properties of the reservoir. Petrophysical properties and geological features are normally estimated based on known well data and modeled using geostatistical techniques. However, the statistical nature of the geostatistical methods yields many …
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Automatic type curve matching for predicting gas wells production
… is one of the methods used in evaluating gas reservoirs. Matching curves manually is time consuming and exposed to human error. Aminian type curves unlike the other type curves accounts the pressure dependency of gas properties and the effect of non-darcy factor. The sensitivity of Aminian …
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Reservoir characterization using seismic reflectivity and attributes
The primary objective of this thesis is to obtain reservoir properties, such as porosity from surface seismic data complemented by available well logs. To accomplish this a two-step procedure is followed. First, reflectivity and acoustic impedance profiles are obtained from the inversion of …
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Geovisualization for Association Rule Mining in CHOPS Well Data
… by discovering the association rules between reservoir properties and oil production from CHOPS well data. However, it leaves reservoir engineers with big challenging tasks to find interesting rules, understand the rules by the distribution patterns of relevant wells and make subsequent …
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Induced seismicity analysis for reservoir characterization at a petroleum field in Oman
… aspect of the seismic data to infer the reservoir properties. First, I applied three different methods (the iterative linearized, nonlinear grid-search, and double-difference methods) to relocate 405 microearthquakes that occurred between October 1999 and June 2001 in a producing field in …
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Evaluation of the Newburg Sandstone of the Appalachian Basin as a CO2 Geologic Storage Resource
… primarily involves natural gas production from reservoir rock with welldeveloped porosity and permeability. High initial pressures encountered in early wells in the Newburg indicate that the overlying Silurian Salina Formation provides a competent seal. Due to the large number of CO2 point …
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Characterizing Supercritical Methane Adsorption on Shale by a Multi-site Model
… single-site model. Furthermore, shale reservoir properties, such as reservoir porosity, a geothermal gradient, as well as a pressure gradient have been investigated and shown to affect the GIP.
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3D modeling and characterization of hydraulic fracture efficiency integrated with 4D/9C time-lapse seismic interpretations in the Niobrara Formation, Wattenberg field, Denver Basin
… to effectively hydraulic fracture stimulate the reservoir using multistage horizontal wells. Subsequent to any mechanical issues that affect production from lateral wells, the variability in production performance and reserve recovery along multistage lateral shale wells is controlled by the …
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