The paper is devoted to some specific features of the innovative activity development at the enterprises of oil and gas machinery engineering. A method is proposed for formation of innovative solutions portfolio, which is a market-based list of types of innovative processes of varying complexity degree, the implementation of which is necessary for an oil-and-gas machinery engineering company to survive or operate successfully in the difficult macroeconomic conditions of the modern Russian economy. Practical implementation of the proposed methodology will allow various oil-and-gas machinery engineering enterprises to overcome problems and increase the competitiveness of products released.