Method for detecting and evaluating damage of oil casing pipes in oil-gas field
A damage detection and evaluation method technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of unfavorable data analysis, comparison, poor adaptability, unfavorable interpretation and evaluation work, etc., to reduce ambiguity and improve accuracy Effect
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[0022] Example 1
[0023] An oil and gas field tubing and casing damage detection and evaluation method, including the following steps:
[0024] a. Compare and analyze the technical parameters of different logging tools and actual logging data, and select the logging tools that meet the requirements based on the actual needs of oilfield production and the logging conditions that can be provided;
[0025] b. Make model tubing, combine the model tubing and the undamaged tubing and casing with different single and double-layer tubing strings, use the selected logging tools to detect the logging response characteristics, and make tubing and casing damage logging Response characteristic plate;
[0026] c. Analyze the secondary electromotive force attenuation curve on the model test data and actual logging data, and divide the data according to the secondary electromotive force attenuation curve;
[0027] d. Carry out the damage analysis of the tubing and casing after the division, and deter...
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