Abstract
The exploration and evaluation system for natural gas hydrate resources is currently incomplete. Research on evaluation methods for the quantity of natural gas hydrate resources is an important part of theoretical studies and is crucial in guiding exploration and development activities. In this paper, we establish the total effective thickness (Z), average porosity of the reservoir ( ), and the absolute value of average saturation ( ) as indicators for evaluating the quantity of natural gas hydrate resources. We then statistically analyze the data from various exploration points to obtain the values of these indicators. Subsequently, we employ the Kriging algorithm to interpolate the data, obtaining a more densely distributed grid. Following this, we establish a TOPSIS evaluation model to calculate the scores of each exploration point. Finally, a heat map is generated to represent the distribution of resource quantity scores in various regions. The results indicate that natural gas hydrate resources are primarily distributed in the upper left, lower right, and directly below the detection area.
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