High-dimensional evaluating method for oil field operational risk

Abstract

The invention discloses a high-dimensional evaluation method for oil field operation risk. Step 1) collect risk point data, and divide the risk point data according to four indicators: risk occurrence possibility, accident level, public opinion influence degree, and economic influence degree. 2) Select the risk points existing in the oilfield operation process to analyze the possibility and degree of influence, and draw the calculated data as a scatter diagram on the vertical axis of the degree of influence; 3) Use factor analysis to extract the original data Dimensionality reduction of effective information, calculation of factor scores of possibility and degree of influence, and drawing of factor risk matrix; 4) Quantitative determination of risk importance criteria by cluster analysis method, further optimization of risk matrix; 5) Reduction of existing data Dimensional quantitative analysis, using principal component analysis to complete risk ranking. The method described in the invention can be adapted to the operation risk assessment of different oil fields by adding pruning risk points, and the analysis results are accurate and suitable for popularization.

Description

technical field [0001] The invention relates to an oilfield risk assessment method, in particular to a high-dimensional oilfield operation risk assessment method. Background technique [0002] Oil, known as the blood of industry, plays a pivotal role in the development of a country. The violent fluctuation of international oil prices has brought huge operating pressure to the petrochemical industry. More and more uncertain factors require oilfield companies to Firmly establish risk awareness, establish and improve the enterprise operation risk management system, improve the ability and level to deal with various internal and external risks, and provide guarantee for the sustainable development of oilfield enterprises. In order to ensure the healthy and rapid development of my country's oilfield enterprises, it is required that oilfield enterprises must have a stable and healthy operating environment. Therefore, the research on the operation risk of oilfield enterprises has v...

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Problems solved by technology

[0003] At present, in the analysis of operational risks of oilfields and related industries, there have been certain researches at home and abroad, and some achievements have been made, such as Chen Jichao's master's thesis "Research on Construction and Application of Oilfield Enterprise Operational Risk Assessment Model Based on Factor Analysis" , the application number is 201510096604.5 for the invention patent "Matrixized Oilfield Safety Responsibility Division Method", the application number is 201410642196.4 for the application for the invention patent "A Fire and Explosion Risk Assessment Method for Petrochemical Wharf Storage Tank Area", but the existing The method is mainly to use the original risk matrix method, through the mode of dividing risk and grade, and characterize the risk according to the importance criterion. Since there are many uncontrollable factors in the oilfield operation, the aforementioned risk assessment method has large errors and uncertainties. It is a problem of strong nature and difficult to standardize. The calculation results are relatively rough, and it is difficult to achieve accurate quantitative analysis, and it is impossible to sort accurately according to the level of risk. The results obtained have limited guiding value for oilfield operations and cannot meet actual needs.

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