Streamline Numerical Well Test Interpretation. Theory and by Yao Jun
By Yao Jun
The normal and glossy good try interpretation tools are an incredible software within the petroleum engineer’s toolkit. utilized in the exploration and discovery section of a box, they're played to figure out the standard of a good or to allow estimation of manufacturing premiums at diversified generating pressures. despite the fact that as soon as a box enters the center and later improvement section, the reservoir circulation atmosphere grows more and more complicated and standard or sleek equipment don't fulfill the wishes of outdated box improvement and overview. in accordance with over 10 years of box and examine event, Streamline Numerical good try out Interpretation thought and technique offers an efficient approach for the selection of residual oil distribution for the center and mature levels of a field.
One of the main complex books on hand, the writer explains the improvement background of good try thought, analyzes the obstacle of recent good try interpretation process, and proposes the idea that and framework of numerical good try out. this is often quick by way of an creation of uncomplicated ideas and answer techniques of streamline numerical simulation concept and process. The e-book then systematically applies streamline numerical good try out interpretation types to a mess of reservoir kinds, starting from unmarried layer reservoir to multi-layer reservoirs. The booklet offers multi-parameter streamline numerical good try computerized fit interpretation procedure according to double-population genetic set of rules, which lays the basis to speedy computerized fit of numerical good try out. The ebook introduces streamline numerical good try interpretation software program with self sustaining highbrow estate correct that's programmed according to the above theoretical reviews.
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Extra info for Streamline Numerical Well Test Interpretation. Theory and Method
So a boundary condition is given to the production well or injection well according to the actual situation, such as fixed bottomhole pressure or fixed production rate (or injection rate). However, due to the enhancement of non-linear extent in multi-phase flow equation, the non-linear degree of the production term is also increased. Therefore, although the production term is added to the equation as a source point in multi-phase flow condition, its coefficient must be linearly processed for each phase, respectively.
3. 4. 5. the fluids in the reservoir are water and oil; rocks and fluids in the reservoir are incompressible; fluid flow in the reservoir obeys the Darcy law; the reservoir is heterogeneous and permeability is isotropic in the plane; and capillary and gravity force are ignored. Based on the assumptions above, the filtration mathematical model of the production period for a single-layer sandstone waterflooding reservoir is established: Pressure control equation of oil phase: ro KK ro Lðfro So Þ rÁ rp þ qo ¼ Lt mo Streamline Numerical Well Test Interpretation.
The computational methods of streamline parameters at different streamline node locations are shown as follows. 1. When one streamline point coordinate lies in the grid line of some direction and the other coordinate is in the grid (Fig. 5), parameters of streamline notes must be gained according to the property parameters of the two neighboring grids. 2. When the X-axis and the Y-axis of streamline nodes lie in the mesh line at the same time (Fig. 5 Streamline nodes of grids paralleling to X direction or Y direction.