Device and method for detection and location of submarine oil pipeline leakage

Abstract

The invention discloses a device for detecting and locating submarine oil pipeline leakage. The device for the detecting and locating the submarine oil pipeline leakage comprises an upper computer and an intelligent detector which moves along an oil pipeline. The intelligent detector comprises a shell body and a microprocessor which is located inside the shell body, and further comprises a wireless communication module, a nondestructive detection unit, a guided system, a pressure sensor and an acoustical-electrical transducer, wherein the wireless communication module, the nondestructive detection unit, the guided system, the pressure sensor and the acoustical-electrical transducer are connected with the microprocessor, the wireless communication module is used for wireless communication between the microprocessor and the upper computer, the nondestructive detection unit is used for inducing a flange port of the oil pipeline to primarily locate the intelligent detector, the guided system is used for confirming of the accurate position of the intelligent detector inside each section of the oil pipeline, the pressure sensor is used for collecting pressure information inside the oil pipeline, and the acoustical-electrical transducer is used for collecting acoustic information inside the oil pipeline. Further disclosed is a method for detecting and locating the submarine oil pipeline leakage. The device for detecting and locating the submarine oil pipeline leakage is reasonable in structural design. A different-edge fusion algorithm of acoustic frequency domain signals and pressure time-domain signals is adopted. Accuracy of leakage point identification is high. The size of the leakage point can be inferred.

Description

technical field [0001] The invention relates to leakage detection of a submarine oil pipeline, in particular to a device and method for detecting and locating a leakage of a submarine oil pipeline. Background technique [0002] Pipeline transportation is the most efficient, economical and reliable main way of oil and gas transportation. According to the statistics of foreign experts, pipeline oil and gas transportation in some developed countries accounts for about two-thirds of the total oil and gas transportation. important role. [0003] Ocean development is a development field with strategic significance that flourished in the 1960s after the development of atomic energy in the 1940s and space development in the 1950s. In modern ocean development, the most significant economic significance is offshore oil development. More than 100 countries in the world have conducted marine geological exploration, and more than 40 countries have conducted oil drilling and exploitati...

AI Technical Summary

Problems solved by technology

The existing domestic technology basically relies on the semaphore at the beginning and end of the pipeline to determine the operation status of the pipeline, but this method has poor real-time performance, low detection accuracy, high equipment cost, and strict requirements on the model

Especially for complex leakage conditions, the model establishment is very complicated, so the feasibility is not high

There is also advanced SmartBall technology in foreign countries, but this technology needs to deploy signal receivers along the pipeline, which is expensive and has a very limited application range. It is difficult to implement in submarine oil pipelines

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