Legal mechanism to ensure national security in the field of use of natural resources

The legal basis for the national security of Ukraine is the Constitution of Ukraine, according to which laws, doctrines, concepts, strategies, and programs are developed, which determine the targets and guidelines for the national security policy of the Ukrainian state in order to timely identify, prevent, and neutralize real and potential threats to the national interests of Ukraine. Ukraine is one of the countries with a deficit of its own natural hydrocarbon resources. Lack of necessary reserves, dependence on energy imports pose a threat to the country's energy security. The transformation of the oil and gas sector of Ukraine and the creation of an effective organizational model should provide sufficient control over the areas of activity to ensure effective resource consumption in the oil and gas sector of the economy, grouped into appropriate blocks. Blocks should include directions of action to achieve the effect and further development of the industry, as well as to ensure effective control. Conclusions on the development of the oil and gas sector in Ukraine are made, ways to improve using the SWOT analysis technique are suggested. That is, the author has analyzed the oil and gas sector from the point of view of existing and potential opportunities, threats, advantages, and disadvantages. At the same time, the requirements of the Third Energy Package for the separation of the transport function from the gas production and supply business are provided, and it is also taken into account that the operator is removed from the structure of a vertically integrated company and is not associated with it by legal, financial, and managerial ties. The success of modernization should become an important driver of reform of the entire state oil and gas sector of the Ukrainian economy and have a long-term impact on the entire society, the lives of citizens, and business.