Vulnerability Evaluation Model Of High Exploration And Development Oilfield Ecosystem

The economy of China has made remarkable achievements and become an importantgrowth pole of the world economic development, behind which it requires a lot of energysupply. The high exploration and development oilfield played an immeasurable role in theprocess of China’s economic growth. Accompanied by the continuous exploration anddevelopment of oil and gas resources, many oil regions in China have started to enter the highexploration and development oilfield stage. The declining reserves of oil and gas, has broughtgreat disturbance to the stability development of high exploration and development oilfield,and cause their vulnerability continue to strengthen. So, carrying out the vulnerabilityevaluation of high exploration and development oilfield has a very forward-looking, strategicand practical relevance, and at the same time, it is also complex system engineering.On the basis of analysis on the performance, elements’ composition and process ofecosystem vulnerability in the high exploration and development oilfield, this paper uses thesystem evaluation theory and other mathematical analysis tools to establish the evaluationmodel of ecosystem vulnerability in high exploration and development oilfield, which covers3subsystem and47indicators. Also this paper takes the example of Shengli Oilfield and putsforward some control measures. Each chapter of the paper is related closely, and discusses aseries of hot and difficult problems of ecosystem vulnerability evaluation in high explorationand development oilfield. The main content, methods and perspectives of the paper are asfollowed:The paper carries out systematically analysis on the mechanism of ecosystemvulnerability in high exploration and development oilfield. From the features of ecosystem,performance of vulnerability, composition and process, this paper studies systematicallyanalysis the mechanism of ecosystem vulnerability in high exploration and developmentoilfield. In this paper, the ecosystem of high exploration and development oilfield includeseconomic subsystem, social subsystem and environmental subsystem, and the vulnerability ofthe ecosystem shows both sensitivity and response capability. Different subsystems have its unique process of vulnerability. This part of the content provides a good theoretical guidancefor the evaluation system.The paper establishes the ecosystem vulnerability assessment model of high explorationand development of oilfiled, analyses the number of elements that impact the ecosystemsensitivity and response ability in each subsystem of high exploration and developmentoilfield, constructs the index system that contains47indicatiors, and applies BP neuralnetwork, AHP, state correlation function comprehensively, and also uses regression analysismethod to establish the ecosystem vulnerability evaluation model of high exploration anddevelopment oilfield. The application of clustering analysis method is used to determine thedifferent warning levels.This paper takes empirical measures of Shengli Oilfield ecosystem vulnerability to verifythe validity construction of the model, and proposes controlling measures according to resultsof the Shengli oilfield ecosystem vulnerability.Construction of the evaluation model and application that has assesses high explorationand development oilfield ecosystem vulnerability has important practical significance forspeeding up the economic growth, social development and environment optimized of highexploration and development in oil zone.