Evaluating the Effectiveness of Organizational Strategic Change of the National Iranian Drilling Company to Enhance Competitive

This research mainly aims to evaluate the effectiveness of organizational strategic change of the National Iranian Drilling Company to enhance competitive advantage. Thus, it is expected to upgrade the entrepreneurial capability. Sample size is 210 of the company's personals. Based on research objective, it is applied one, and descriptive research in terms of data gathering, and a casual research in terms of the relationship between the research variables. To gathering data, the questionnaire used. By using SPSS .22 and LISREL.8.5 version, the statistical analysis addressed. The result showed that strategic change (content of strategy, changes in the relationships of organization with the external environment and organizational structure) has a significant positive effect on the competitive advantage (entrepreneur's capability' technical capability, organizational capability, strategic capability), and the strategic change and competitive advantage is not in a favorable situation.