Research on Reservoir Conditions of Buried Hill Reservoirs

With EWL Thoughts, the buried hill reservoirs are composed of a wide range of rocks, including carbonate rocks and clastic rocks, as well as igneous rocks and metamorphic rocks. The oil and gas in the buried hill reservoirs are from the hydrocarbon source rocks of the lower section of the Shahejie Formation and the Dongying Formation. Combining the various accumulation conditions to achieve favorable target optimization, the results are as follows: The Liangshan tectonic belt of Shulu West Slope has a favorable target at the higher part of the slope; the Shulu deep depression buried tectonic belt is preferably the northern part of the deep depression area with favorable target concentration, and the type of buried hill is fault block mountain. The Ningjin bulge suggests that the risk target is a raised high part; the Xinhe bulge suggests that the risk target is a fold-erosion mountain.