Working condition diagnosis method of rod pumped well based on electrical work chart plate

Abstract

The invention relates to a working condition diagnosis method of a rod pumped well based on an electrical work chart plate. Firstly, related electrical parameters of the rod pumped well are collected, and an actual electrical work chart of the rod pumped well is obtained according to the collected electrical parameters; then the actual electrical work chart is compared with an electrical work chart diagnosis plate which is obtained in advance, so that working conditions of the rod pumped well are diagnosed. The electrical work chart diagnosis plate is obtained by the steps of (1) establishing electrical work charts corresponding to typical working conditions for different typical working conditions; (2) correspondingly treating the electrical work charts in all typical working conditions, so that the electrical work chart diagnosis plate formed by the electrical work charts in all of the typical working conditions is obtained. By adopting the diagnosis method, the actual operating conditions of the rod pumped well can be accurately diagnosed, so that real-time monitoring of the rod pumped well is realized, and a technical support is provided for the efficient operation of the system.

Description

technical field [0001] The invention relates to a method for diagnosing the operating conditions of pumping wells based on electric power diagrams, and belongs to the technical field of computerized oil field information construction. Background technique [0002] Due to the advantages of convenient measurement, low installation and maintenance costs, high resolution, comprehensive information response, and the ability to reflect both underground conditions and ground conditions, and long-term continuous measurement, the electric power map is more and more widely used. It has been paid more and more attention by various oil fields. [0003] However, at present, in the process of crude oil production and development, the electric power diagram is mainly used in several aspects such as the budget indicator diagram, the detection and adjustment of the pumping unit balance and its equipment, and the condition diagnosis of the oil well. The advantages of diagrams have not been f...

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Problems solved by technology

[0003] However, at present, in the process of crude oil production and development, the electric power diagram is mainly used in several aspects such as budget indicator diagram, detection and adjustment of pumping unit balance and its equipment, oil well working condition diagnosis, etc., and its application status is relatively limited. The advantages of diagrams have not been fully popularized and utilized, especially in the diagnosis of oil well conditions, the research and field application of electrical diagrams are very immature

At present, the electric power map has many advantages, but it cannot be fully applied in major oil fields.

[0004] Moreover, if the dynamometer diagram is used to diagnose the working condition of the pumping well, due to the limitation of the dynamometer diagram, it is impossible to accurately diagnose the actual working condition of the pumping well according to the dynamometer diagram of each working condition

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