2. (20 points) A well is pumped with a rod pump described in Problem 1 to...
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2. (20 points) A well is pumped with a rod pump described in Problem 1 to a liquid level of 2,500 ft. A 3" tubing string (3.5 OD, 2.995" ID) in the well is anchored. Flowing tubing head pressure is 100 psia. Calculate (a) expected liquid production rate (use pump volumetric efficiency 0.8), and (b) required prime mover power (use safety factor 1.3). 3. (20 points) For reciprocating compressors, calculate the theoretical and brake horsepower required to compress 50 MMcfd of a 0.8-gravity natural gas from 100 psia and 80 F to 2,000 psia. If intercoolers and end-coolers cool the gas to 80 F, what is the heat load on the intercoolers and end-coolers? Assuming the overall efficiency is 0.80. Gas specific heat ratio is 1.3. 4. (20 points) For a centrifugal compressor, use the following data to calculate required input horsepower and polytropic head: Gas-specific gravity: Gas-specific heat ratio: 0.70 1.30 70 MMscfd at 14.7 psia and 60 F mm Gas flow rate: Inlet pressure: Inlet temperature: Discharge pressure: 300 psia 70 F mm 600 psia Polytropic efficiency: Ep = 0.61+0.03 log(91) 5. (40 points) Size the port of gas lift valve for the data give below: Upstream pressure: 850 psia Downstream pressure for subsonic flow: 750 psia Tubing ID: 2.259 in. Gas rate: 2,000 Mscf/d wwwwwm Gas specific gravity: 0.70 1 for air Gas specific heat ratio: 1.25 Upstream temperature: Gas viscosity: Choke discharge coefficient: Use Otis Spread master Valve 100 F mm 0.02 cp 0.6 2. (20 points) A well is pumped with a rod pump described in Problem 1 to a liquid level of 2,500 ft. A 3" tubing string (3.5 OD, 2.995" ID) in the well is anchored. Flowing tubing head pressure is 100 psia. Calculate (a) expected liquid production rate (use pump volumetric efficiency 0.8), and (b) required prime mover power (use safety factor 1.3). 3. (20 points) For reciprocating compressors, calculate the theoretical and brake horsepower required to compress 50 MMcfd of a 0.8-gravity natural gas from 100 psia and 80 F to 2,000 psia. If intercoolers and end-coolers cool the gas to 80 F, what is the heat load on the intercoolers and end-coolers? Assuming the overall efficiency is 0.80. Gas specific heat ratio is 1.3. 4. (20 points) For a centrifugal compressor, use the following data to calculate required input horsepower and polytropic head: Gas-specific gravity: Gas-specific heat ratio: 0.70 1.30 70 MMscfd at 14.7 psia and 60 F mm Gas flow rate: Inlet pressure: Inlet temperature: Discharge pressure: 300 psia 70 F mm 600 psia Polytropic efficiency: Ep = 0.61+0.03 log(91) 5. (40 points) Size the port of gas lift valve for the data give below: Upstream pressure: 850 psia Downstream pressure for subsonic flow: 750 psia Tubing ID: 2.259 in. Gas rate: 2,000 Mscf/d wwwwwm Gas specific gravity: 0.70 1 for air Gas specific heat ratio: 1.25 Upstream temperature: Gas viscosity: Choke discharge coefficient: Use Otis Spread master Valve 100 F mm 0.02 cp 0.6
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Related Book For
Applied Regression Analysis and Other Multivariable Methods
ISBN: 978-1285051086
5th edition
Authors: David G. Kleinbaum, Lawrence L. Kupper, Azhar Nizam, Eli S. Rosenberg
Posted Date:
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