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A nonlinear flow reservoir mathematical model is established, and the numerical stimulation program is compiled based on black-oil model, whose purpose is to simulate the fluid flow in ultra-low permeability reservoir. Actual field data is used to make a pilot calculation, and the comparative stimulating results analysis under different nonlinear flow curves and Darcy flow is provided, which has verified...
Pressure drop along horizontal well causes unequal draw down along the well, thus reducing the effectiveness of the toe of the well, and increasing the tendency for water and gas coning at the heel. Completion has been proposed to combat this effect using a stinger that extends from the heel into the horizontal section. This reduces the magnitude of the pressure drop over the well bore, because the...
In this paper, the law of steam flooding in reservoir with different directional fractures is studied by two measures through numerical simulation. On the basis of geological research on steam flooding in a test area of Daqing Chaoyanggou Oilfield, the ideal geological model is established using Petrel software, and then numerical simulation is carried on applying the STARS simulation module of CMG...
The geological model is established with Software Petrel. Then by Eclipse, numerical simulation is done. The development index of block well pattern and remaining oil change condition of well pattern are forecasted. At the same time, comparisons are done between theoretical relationship curve and actual data curve of recovery extent and water cut for the whole block and sublayers. Adaptability is...
It is more profitable for the natural gas hydrate exploitation by use of the depressurization in conjunction with hot brine stimulation. In the work, at the initial stage of the exploitation, the depressurization is used to induce the hydrate dissociation. When the temperature drops and causes the decrease of the hydrate dissociation rate, hot brine is injected to prompt the hydrate dissociation,...
To rationally develop low permeability reservoir, enhanced oil recovery, Changqing Oilfield launched a special low permeability oil field development studies. Based Changqing oilfield Yanhewan block this typical ultra-low permeability reservoir, use the numerical simulation method simulate the instability of water injection and gas injection alternating different effects of the development. The simulation...
By numerical simulation method Blocklis taken for example to evaluate the well pattern infilling effect in the process of waterfooding at the low permeability oilfield to give a reasonable injection-production ratio and to improve correlations between the corresponding injection and production. After well pattern infilling, along with the injection-production ratio increases, the composite development...
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