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 32 for “"Horizontal Well"”.
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Simulation of horizontal well tests
2004 Fall.
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Hall plot analysis for horizontal well injectivity
… such applications are limited to vertical wells. This study proposes a new formulation of the Hall plot method for analyzing horizontal well injectivity. A numerical simulation model was built in CMG to verify the proposed method. The Hall plot method for horizontal well was then used to …
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Finite difference modeling of oil recovery by waterflooding using horizontal well injectors
… recovery of oil reservoirs. The selection of a horizontal well or a vertical well as an injector is an important issue in waterflooding because these two types of wells can behave differently due to their orientation in the reservoir. Horizontal wells, due to their geometry, possess great …
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Pressure-transient response of a transverse finite-conductivity fracture intercepted by a horizontal well
Includes bibliographical references (pages 125-129).
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Parametric and predictive analysis of horizontal well configurations for coalbed methane reservoirs in Appalachian Basin
It has been a well-established fact that the Appalachian Basin represents a high potential region for the Coalbed Methane (CBM) production. The thin coal beds in the Appalachian basin are characterized by low porosity and permeability values. Due to highly complex reservoir characteristics, …
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Variations in mineral abundance within a single horizontal well path in the Woodford Shale, Arkoma Basin, Oklahoma
… to successful exploitation of this resource (Caldwell, 2014; Turner et al., 2015; Wiley, 2015; Zhang et al., 2017). Most prior studies of the Woodford Shale report properties from a single sample collected from a vertical well, which reports these values as a single point source on a distribution …
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A Mathematical Model of Horizontal Wells Productivity and Well Testing Analysis
This thesis presents new productivity and well testing formulae of horizontal wells. Taking a horizontal well as a uniform line source, this thesis finds velocity potential formula and the productivity formulae for a horizontal well in an ellipsoid of revolution drainage volume by solving …
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Single Well Completion and Management Strategies for Enhanced Recovery of Tight Oil Using Miscible Gas Injection
… relies on the multiple transverse fracture horizontal well completion design with 50 or more parallel propped hydraulic fractures distributed along a long horizontal well. Less than 10% primary oil recovery from these wells creates a strong incentive for enhancing recovery from tight oil …
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Flow Mechanisms and Transient Pressure Analysis Study For Multi-Stage Fractured Horizontal Wells In Shale Gas Reservoirs
… and low permeability. Therefore, the fractured horizontal well technology has been widely used in shale gas reservoir development. At the same time, more and more attention has been paid to the study of seepage mechanism. At present, conventional research on the seepage theory of fracturing …
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Optimizing oil production in horizontal wells (water/oil cresting in horizontal wells)
In recent years, the application of horizontal wells has been predominant in minimizing cresting scenarios due to significant reservoir exposure of its laterals. Cresting is known to occur in horizontal wells when the pressure drop supersedes the hydrostatic pressure existing between the phases in …
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Numerical Simulation of pressure Transient Analysis in Tight Formation and Field Data Categorization and Typical Well Production Data Analysis
… data needed for a comprehensive reservoir study. Horizontal well completion along with multi-stage hydraulic fracturing techniques has enabled economic production from these kinds of reservoirs. To produce oil and gas commercially from tight formations, naturally completed (open-holed) or cased …
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Performance Evaluation of Wells With Single and Multiple Fractures in Tight Formations
Hydraulic fracturing technology together with horizontal wells leads to the exploration and development of unconventional resources economically feasible. Due to complex fracture network and geology nature, evaluating performance of fluids flow in such a hydraulic fracture system is really a …
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Utilizing Oil-Soluble Tracers to Evaluate the Production Profile in Multistage Fractured Horizontal Wells
Multistage hydraulic fracturing along a horizontal well is the key to effectively recover hydrocarbon from tight reservoirs. Improving the hydrocarbon recovery requires detailed production information of each hydraulic fracture. Chemical watersoluble tracers are often used to calculate the …
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Injection Impairment by Suspended Solids: Well Models, Filtration Parameters, and Models’ Validation with 3-D Injection Experiments
… high and sustained injection rate is by using a horizontal well. The models for predicting horizontal well injectivity due to particle plugging are also limited. The complex or non-radial flow geometry of horizontal wells (especially for reservoirs with small net pay and large drainage area) is a …
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Modeling of Pipe Friction and Smear Effect in Drilling Operations
… on two such issues: 1) to model the influence of wellbore friction on downhole temperatures of the drilling fluid, 2) to understand the smear effect mechanism observed in a casing while drilling operation through mathematical studies. An analytical model has been proposed to estimate the increase …
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Downhole Weight on Bit Prediction with Analytical Model and Finite Element Method
Horizontal drilling is an innovative technology applied for exploiting unconventional resources in North-America and around the world. To acquire better drilling performance, weight on bit (WOB) needs to be accurate and monitored. However, the weight on bit recorded on the surface panel is most …
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Fracture optimization based on gradient descent methodology
… the geometry of the hydraulic fractures with horizontal wells is demanding yet challenging for petroleum engineers, in this thesis we have developed a computer program to automatically optimize the length, the conductivity as well as the spacing of hydraulic fractures in unconventional …
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Flow mechanisms and numerical simulation of gas production from shale reservoirs
… of gas flow in the SGRs have been studied using well test method with considering multiple flow mechanisms including desorption, diffusive flow, Darcy flow and stress-sensitivity. Type curves were plotted and different flow regimes were identified. Sensitivity analysis of adsorption and …
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Exploring anisotropy in rock fluid flow and elastic behavior
… Wong (2003) through a case study of a production well in Tor formation of Valhall field. The final part of the thesis assesses the difference between the resulting fracture pressure predicted by the Kirsch equations and the Amadei solution to stress around a wellbore to demonstrate the importance …
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Development of a numerical technique for modelling of multi-stage hydraulic fracturing in shale reservoirs
… demands promoting techniques including horizontal well drilling and multi-stage Hydraulic Fracturing (HF) stimulation. What significantly affects the fractures arrangement, and associated geometries is the stress field changes, referred to as “stress shadowing”. In this dissertation, in …
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