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A well is producing from a saturated oilreservoir with an average reservoir pressureof 3000 psig. Stabilized flow test dataindicates that the well is capable of producing400 STB/day at a bottom-holeflowing pressure of 2580 psig.Calculate the remaining oil-in-place at3000 psi.
(a) Oil flow rate at pwf51950 psig.
(b) Construct the IPR curve at the currentaverage pressure.
(c) Construct the IPR curve by assuming aconstant J.
(d) Plot the IPR curve when the reservoirpressure is 2700 psig.
At the same time, 45 J of heat is transferred from the surroundings to the system. Against what pressure was the piston working?
It is proposed to cool a stream of 75 mass-% sulfuric acid solution at 333.15 K (60°C) by diluting it with chilled water at 277.15 K (4°C). Determine the amount of water that must be added to 0.45 kg of 75% acid before cooling below 333.15 (60°C) ..
Determine the fraction of load for which the efficiency is a maximum, and calculate the corresponding efficiencies for the power factors of unity, 0.8, and 0.6.
As a system increases in volume, it absorbs 55.0 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.502 atm. The final volume of the system is 57.7 L. What was the initial volume of the system if t..
describe the principles of a vapour adsorption refrigeration system and compare this to a vapour recompression system.
The machine is now run as a motor while taking 10 kW at 250 V. Neglect the brush contact drop. Determine the speed of the motor.
If the capital costs in the adipic acid example described in Example 9.5 are known to within -10% to +30%, and the cash flow from operations is predicted within ±10%, estimate the mean and standard deviation of the 10-year NPV. Is there a greater ..
The recovery of each main component in each product is to be 98%. For example, 98% of the propane in the feed stream is to appear in the propane-rich product, and 98% of the combined pentanes in the feed stream is to appear in the bottoms product ..
what is the difference in the analysed sample volume (i.e. volume of the sample from which the signal comes)?
It is proposed to use an existing distillation column, which is fitted with a dephlegmator (reflux condenser) that has 200 vertical, 50 mm i.d. tubes, for separating benzene from a mixture of chlorobenzenes.
Calculate the heat (kJ) required to raise the gas temperature from 25°C to 1000°C if the heating takes place at constant volume (i.e., if the piston does not move), retaining successively one term, two terms, and all three terms of the heat capaci..
Suppose that you start with 103 g of a pure radioactive substance and 2 h later determine that only 0:25 103 g of the substance remains. What is the half-life of this substance?
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