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How can man increase porosity and permeability in oil wells?
There is not feasible way to change the overall porosity and permeability in an oil field. However, it is possible in many cases to improve the porosity and permeability within the near wellbore region, where the change in pressure is the greatest. Injecting acid into a well, may slightlyincrease the porosity but sigmificantly improve the permeability, as it creates larger flow paths (also called worm holes) through the formation. Hydraulic fracturing will also stimulate a well, although the formation's permeability and porosity is unchanges. It makes it easier for oil to flow into the well, so its effect in the long run, is the same as if the near well bore region had higher permeability. Low permeability formations often produced by horizontal wells, which is similar to hydraulic fracturing- it is easier for the oil to flow to the well.
Can Bernoullis equation describe the flow of water that is cascading down a rock-strewn spillway Explain?
You cannot use Bernoulli's equation because the rocks would create a turbulent flow and you need a steady flow to use Bernoulli's equation. It could (in theory) but you would need accurate measurements of size shape and placement of each of the rocks involved. It would be a nightmare just to accumulate the data.
How does turbulence affect fluid-flow in a hydraulic line?
due to turbulance the flow of the fluid decreases. the fluid particles traces abnormal path and stops the movement of other particles also. this occur due to some sudden blocking which converts laminar flow into turbulant flow.
What is flow and non flow process of first low of thermodynamics?
Steady flow processFluid flow in which all the conditions at any one point are constant with respect to timeFluid flow without any change in composition or phase equilibriaFlow velocities do not vary with timeExamples of steady flow process- groundwater and channel flows- turbine- fluid heater- orifice(throttling)- nozzleNon flow processA thermodynamic process involving no fluid flowExamples of non-flow process- Heating at constant volume- Adiabatic expansion in a cylinder- Free Expansion (Joules experiment - valve is initially closed and then opened to equalize pressures)- Heating a fluid in a cylinder at constant pressure
How does increasing the number of cells in a parallel circuit affect the current?
by adding resistance in parallel more current is bound to flow
