Oil and gas transportation pipeline hydrate monitoring technology

Abstract

The invention discloses an oil and gas transportation pipeline hydrate monitoring technology. The invention comprises the following steps: obtaining and preprocessing the training data of depth learning; training a depth learning model; and forecasting by using measurement information. According to the physical parameters in the transportation pipeline and the physical parameters of the collectedsamples of the known inhibitor concentration and the reasonable inhibitor concentration, a monitoring method of pipeline hydrate for the inhibitor recommended dosage is further given via a trained depth learning model, and the shortcomings of high cost and difficulty in implementation due to the limitation of mining conditions in the prior art are solved. In order to overcome the shortcoming of poor forming inhibition effect of the hydrate in the proposed method, which is caused by the quantitative injection of chemical reagents, an oil and gas transportation pipeline hydrate monitoring technology for the inhibitor dosage is proposed, which is easy to implement, low in cost and high in reliability

Description

technical field [0001] The invention belongs to the field of natural gas and oil transportation safety, and relates to a hydrate monitoring technology for oil and gas transportation pipelines. technical background [0002] With the development of society and its economy, the demand for industrialization and mechanization in various industries is increasing day by day. Therefore, worldwide, the demand for energy is also increasing year by year. As the main energy sources, natural gas and oil are gradually expanding in demand. The International Energy Agency predicts in its annual research report "World Energy Outlook" that driven by emerging countries such as China and India's petrochemical industry and transportation industry, the global Crude oil consumption is expected to reach 101 million barrels per day, an additional 14 million barrels per day in 25 years, and an increase of 1.3 million barrels per day from last year's projected 99.7 million barrels per day. Therefore...

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Problems solved by technology

There are many defects in the above methods, such as: (1) the cost of suppressing the formation of hydrate by physical methods is huge, which is not conducive to the realization of industrialization; (2) due to the limitation of mining space, physical suppression methods are difficult to implement; (3) The inhibition of chemical reagents is usually related to the amount of reagents and the specific conditions of the transportation pipeline. The injection of quantitative inhibitors is difficult to meet the real-time changing pipeline conditions. Too much injection of chemical reagents pollutes the environment and increases the cost of later separation, while too little (4) The traditional technology can only suppress the formation of hydrate theoretically, and it is difficult to judge the situation of the transportation pipeline and the real situation of the pipeline after the chemical reagent is injected.

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