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INSPECTION OF THE METHOD FOR CALCULATING PRESSURE AND DENSITY DISTRIBUTIONS OF FLUIDS IN THE TUBING OF SUCKEB ROD PUMP WELL

Wei Zhaoshen

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Abstract

The principles of gas-liquid two phase fluid mechanics are applied to the calculation of pressure and density of fluids in the tubing of a sucker rod pump well and a method is developed. However, the accuracy of method must be investigated. This paper details a quantitative study of the method. By means of surface dynamometer cards, this paper analyzes the maximum PRL and the minimum PRL when a sucker rod pump well is operating, calculates the mixture mass of oil-gas-water on the traveling valve, compares the result with the mixture mass calculated by sections on the base of the principles of gas-liquid two phase fluid mechanics and gives the percentage error. This paper provides a reliable basis for inspecting the accuracy of the theoretical formulae for calculating the pressure and density distributions of fluids in the tubing of a sucker rod pump well.

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What this paper is about

The principles of gas-liquid two phase fluid mechanics are applied to the calculation of pressure and density of fluids in the tubing of a sucker rod pump well and a method is developed. However, the accuracy of method must be investigated. This paper details a quantitative study of the method. By means of surface dynamometer cards, this paper analyzes the maximum PRL and the minimum PRL when a sucker rod pump well is operating, calculates the mixture mass of oil-gas-water on the traveling valve, compares the result with the mixture mass calculated by sections on the base of the principles of gas-liquid two phase fluid mechanics and gives the percentage error. This paper provides a reliable basis for inspecting the accuracy of the theoretical formulae for calculating the pressure and density distributions of fluids in the tubing of a sucker rod pump well.

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Available abstract

The principles of gas-liquid two phase fluid mechanics are applied to the calculation of pressure and density of fluids in the tubing of a sucker rod pump well and a method is developed. However, the accuracy of method must be investigated. This paper details a quantitative study of the method. By means of surface dynamometer cards, this paper analyzes the maximum PRL and the minimum PRL when a sucker rod pump well is operating, calculates the mixture mass of oil-gas-water on the traveling valve, compares the result with the mixture mass calculated by sections on the base of the principles of gas-liquid two phase fluid mechanics and gives the percentage error. This paper provides a reliable basis for inspecting the accuracy of the theoretical formulae for calculating the pressure and density distributions of fluids in the tubing of a sucker rod pump well.

Key concepts: Sucker rod, Mechanics, Oil well, Phase (matter), Fluid mechanics, Base (topology), Materials science, Chemistry

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INSPECTION OF THE METHOD FOR CALCULATING PRESSURE AND DENSITY DISTRIBUTIONS OF FLUIDS IN THE TUBING OF SUCKEB ROD PUMP WELL — Research Paper | ScholarLens