The main purpose of the research is the pathology of the intellectual capital of Ministry of Oil. The present study is applied in terms of purpose and survey in terms of descriptive method. The statistical population consisted of 900 oil ministry research managers and the sample was 269. The tool was a questionnaire whose validity was calculated as 94%. The results showed that in human capital indicators, experience and expertise are placed in the first rank, competence and skills in the second, staff motivation and satisfaction, teamwork spirit, creativity and innovation, problem-solving ability, and decision-making place in the third to sixth rank respectively in the order of importance. In the components of structural capital, the processes and procedures are listed in first, organizational structure in second, organizational culture in third, information systems in fourth, organizational knowledge management in fifth, human resource management practices in sixth, intellectual property in seventh, R&D in eighth, and innovation in products and process in ninth places of importance. The constituent components of social capital are ranked as: common values at first, shared language at second, trust, commitment, reciprocity, reciprocal interactions, network interactions, and the multiplicity of interactions were at third to seventh places of importance. All three aspects of human capital, structural capital and social capital have a good status in the Ministry of Oil and structural capital is better than the other two dimensions.