Method and device for calculating pump checking period reference value of rod-pumped well

Abstract

The invention provides a method and device for calculating a pump checking period reference value of a rod-pumped well. The method includes: forming a pump checking period reference value analysis basic parameter value on the basis of the producing well primary input-cost, the single well daily maintenance cost, and oil well actual production data; using the daily oil production as a variable to calculate out a first oil well breakeven pump checking period value on the basis of the oil well pump checking period reference value analysis basic parameter value; using a fixed production period asa variable to calculate out a second oil well breakeven pump checking period value on the basis of the oil well pump checking period reference value analysis basic parameter value; and acquiring an oil well pump checking period reference value on the basis of the first oil well breakeven pump checking period value and the second oil well breakeven pump checking period value. The basis data is froma lift technology matching mode and the current production actual condition of the oil well, and is real and reliable; and the method and device are objective and accurate in calculation, and can avoid personal errors.

Description

technical field [0001] The invention relates to the technical field of oil and natural gas production, in particular to a calculation method and device for a reference value of a pump inspection period of a pumping well. Background technique [0002] The pump inspection cycle is one of the important indicators for evaluating the technology of pumping wells, and the length of the pump inspection cycle directly determines the production efficiency and production management cost of the oil well. The traditional definition of the pump inspection cycle refers to the actual production days between the last two pump inspection operations of the oil well. At present, it basically relies on manual or computer statistical analysis. [0003] How to evaluate the technical indicators of oil well pump inspection cycle is good or bad, the traditional method is to compare with the average pump inspection cycle of the oil field block where the oil well is located, and the average pump inspec...

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Problems solved by technology

[0003] How to evaluate the technical indicators of oil well pump inspection cycle is good or bad, the traditional method is to compare with the average pump inspection cycle of the oil field block where the oil well is located, and the average pump inspection cycle is statistically analyzed by engineering technicians or computers, and at the same time due to geological Due to the complexity of the environment, there may be multiple types of reservoirs in the same oilfield block, and the average pump inspection cycle of the oilfield block obtained by statistical analysis has a certain degree of incomparability

[0004] Therefore, the selection and evaluation of the reference value of the pump inspection period in the prior art does not take into account the existing lifting technology matching mode of the oil well, so it is not objective enough and difficult to meet the actual production situation

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