Natural gas hydrate saturation estimation method and system
A hydrate and saturation technology, applied in the field of natural gas hydrate saturation estimation methods and systems, can solve problems such as inaccurate results and poor application of EMT equations, and achieve the effect of high estimation accuracy
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[0072] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0073] The embodiment of the present invention provides a method for estimating the saturation of natural gas hydrate, such as figure 1 shown, including:
[0074] Step 101, obtaining the logging data and elastic parameters of the stratum to be measured; the stratum to be measured includes hydrate intervals and water-saturated intervals; the logging data includes: the depth D of the depth point, the porosity of each depth point Measured longitudinal wave velo...
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