Abstract:

The petroleum exploration technologies that are concisely expressed as “revealing oil generation first and then selecting zone for exploration”, “rolling exploration and development” etc., made an important contribution to the development of our countrys petroleum industry, but they are not aimed at the direct target of petroleum exploration—the oilgas reservoir. On the guide of the principle of “main migration path controlling hydrocarbon” and on the basis of the abovementioned exploration technologies, and of the earnest research on the complicated mechanism of oilgas reservoir and main controlling factors, the authors put forward a fairnew petroleum exploration method—the method of accurately exploring oil and gas, in the light of the characteristics of oilgas exploration in the area of middlehigh exploration level in the continental basin. The method describes the geometrical shape and space distribution states of the main migration path of petroleum, traces out the oilgas moving tracks, makes sure that the best vantage point of petroleum gathering together be determined in the manner of “tracking down the target (the oilgas reservoir) by following clues (the main migration path of petroleum)”, and drills the best of all targets—the oilgas reservoir. The method of accurately exploring oil and gas is investigated in this paper in a relatively systematic manner, and the content of the main research method, the work process and the maps of results are proposed. The risk of petroleum exploration can be minimized, and the benefit of petroleum exploration can be raised to the utmost by this method.

Key words: continental basin, the area of middlehigh exploration level, exploration method, revealing oil generation first and then selecting zone for exploration, rolling exploration and development, the method of accurately exploring oil and gas