Study On Oil And Gas Reservoir Calculation And The Dynamic Development Of Ouge Basin

In this paper,by using seismic,heavy magnetic materials and collecting relevant results,the characteristics of sedimentary formation development and structural evolution about Songbei exploration area are analyzed.By Using the drilling,petrophysical datas and according to the single well phase analysis,it reveals that the Kelu and the Hela gas fields developed alluvial fan,distributary channel and lagoon deposits from bottom to top.By analysising the hydrocarbon accumulation groups with hydrocarbon accumulation theory and evaluation techonology,showing that there were five favorable ones.Using volumetric method to calculate the quantity of resource,it showed that the Kelu gas field has 47.277 billion gas reserves and 2.1401 million tons oil reserves,and showed that Hela gas field has 185.61 billion gas reserves and 10.218 million tons oil reserves.Therefore,we conclued that the sacle of the kelu gas field was medium with deep,high yield and medium-low reserves abundance,the sacle of the Hela gas field was large with deep,deep-super-high yield,medium reserves abundanceBased on dynamic analysis of hydrocarbon accumulation,we have selected 2 wells as the Kelu-8 and the Hela-2 well to product,and then the results showed that the main forces of the two gas fields are mid-high yield,and then we evaluated on reservoir natural energy overall by using the numerical simulation,showing that the two gas fields are weak water-drive.Based on the principle of well deployment,There were 232 new wells in faverobal layers of the two gas fields,Through this,the two gas fields not only achives production succession but also maintains stable to high yield of the block.