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TECHNICAL PAPERS

A Pumping System to Enhance Production From Gas Wells

[+] Author and Article Information
Jeffrey J. Rudolf

Husky Energy Inc., 707 8th Avenue SW, Calgary, Alberta T2P 3G7, Canadae-mail: Jeff.Rudolf@huskyenergy.ca

Ted R. Heidrick, Brian A. Fleck

Department of Mechanical Engineering, University of Alberta, 4-9 Mechanical Engineering, University of Alberta, Edmonton, Alberta T6G 2G8, Canadae-mail: Brian.Fleck@ualberta.ca

Rodney K. Ridley, Raj V. S. V. Rajan

Alberta Research Council, 250 Karl Clark Road, Edmonton, Alberta T6N 1E4, Canada

J. Energy Resour. Technol 126(4), 311-319 (Dec 21, 2004) (9 pages) doi:10.1115/1.1790537 History: Received February 05, 2001; Revised May 10, 2004; Online December 21, 2004
Copyright © 2004 by ASME
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References

Ridley, R. K., and DeRocco M., “Method for Underground-Reservoir Fluids Production With Pump Drive Contained Within the Wellbore,” US Patent No. 5,860,795 issued January 19, 1999, to the Alberta Research Council.
Ridley, R. K., and DeRocco M., “Reservoir Fluids Production Apparatus and Method,” US Patent No. 6,234,770, issued May 22, 2001, to the Alberta Research Council.
Ridley, R. K., and DeRocco M., “Reservoir Fluids Production Apparatus and Method,” Canadian Patent No. CA2200665, issued July 31, 2001, to the Alberta Research Council.
Turner,  R. G., Hubbard,  M. G., and Dukler,  A. E., 1969, “Analysis and Prediction of Minimum Flow Rate for the Continuous Removal of Liquids from Gas Wells,” J. Pet. Technol., 21(11), pp. 1475–1482.
White, F. M., 1991, Viscous Fluid Flow, 2nd Ed. McGraw-Hill, Boston, Chap. 3.
Hinze,  J. O., 1949, “Critical Speeds and Sizes of Liquid Globules,” Appl. Sci. Res., A-1(4), pp. 273.
Lockhart,  R. W., and Martinelli,  R. C., 1949, “Proposed Correlation of Data for Isothermal Two-Phase Two-Component Flow in Pipes,” Chem. Eng. Prog., 45, pp. 39–48.
White, F. M., 1994, Fluid Mechanics, 3rd Ed., McGraw-Hill, New York, Chap. 6.
Friedel, L., 1979, “Improved Friction Pressure Drop Correlations for Horizontal and Vertical Two-Phase Flow,” European Two-Phase Flow Group Meeting, Ispra, Italy (quoted by Hewitt 10).
Hewitt, G. F., 1982, “Pressure Drop and Void-Fraction,” Handbook of Multiphase Systems, G. Hestroni (ed.), McGraw-Hill, New York.
Whalley, P. B., 1987 Boiling, Condensation and Gas-Liquid Flow, Oxford University Press, New York, Chap 6.
Premoli, A., Francesco, D., and Prina, A., 1970, “An Empirical Correlation for Evaluating Two-Phase Mixture Density Under Adiabatic Conditions,” European Two-Phase Flow Group Meeting, Milan, Italy (quoted by Hewitt 10).
Cullender,  M. H., and Smith,  R. V., 1956, “Practical Solution of Gas-Flow Equations for Wells and Pipelines With Large Temperature Gradients,” Trans. AIME, 207, pp. 281–287.
Young,  K. L., 1967, “Effect of Assumptions Used to Calculate Bottom-Hole Pressure in Gas Wells,” J. Pet. Technol., 19(4), pp. 547–550.
Moran, M. J., and Shaprio, H. N., 1996, Fundamentals of Engineering Thermodynamics, 3rd ed., Wiley, New York, Chap. 6.
American Petroleum Institute, 1999, Basic Petroleum Data Book, Petroleum Industry Statistics 19 (1) Jan., API, Washington, DC.
Dranchuk,  P. M., and Abou-Kasem,  J. H., 1975, “Calculation of Z-factor for Natural Gases Using Equations of State,” J. Can. Pet. Technol., 14(3), pp. 34–36.
Kumar, S., 1987, Gas Production Engineering, Gulf Publishing, Houston, Chap. 3.
Lee,  A. L., Gonzalez,  M. H., and Eakin,  B. E., 1966, “The Viscosity of Natural Gases,” J. Pet. Technol., 18(8), pp. 997–1000.
Ikoku, C. U., 1984, Natural Gas Production Engineering, Wiley, New York, Chap. 5.

Figures

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Diagram of a typical natural gas wellbore
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Schematic of an application of the ARC patented technology
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Logic of mathematical model for Scenario #1
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Logic of mathematical model for Scenario #2
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Model results assuming constant liquid rate
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Model results assuming constant GLR
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Force balance acting on the piston of a reciprocating pump
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Comparison of pump area ratios assuming constant liquid rate
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Comparison of pump area ratios assuming constant GLR

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