The invention discloses a 
petroleum business customization 
system and method, which mainly solve the problems of difficulty in professional 
collaboration, repeated functions, difficulty in business reuse, 
multiple function selections and the like in the construction of the existing 
oil field business 
system. The 
system comprises a planning and design module, a capability 
precipitation layering module, a relationship establishment module and a resource correspondence module; and the planning and design module comprises a business coordinate 
combing system, a coordinate relationship establishment system, a business node analysis system and a resource 
combing analysis system. The capability 
precipitation layering module comprises a data middle table, a business middle table, a knowledge middle table and an AI middle table; the resource correspondence module comprises a 
global business resource 
knowledge graph, and the resource correspondence module comprises a resource push mode and an intelligent search mode. Through the architecture, accumulation and reuse of resource capabilities are provided for 
informatization construction projects by taking IT as a core downwards, and personalized resource services are provided for business work by taking user business as a core upwards.