Natural gas hydrate resource evaluation method in frozen soil region
A technology for resource evaluation and permafrost area, which is applied in the field of natural gas hydrate resource evaluation in permafrost areas, which can solve the problems of unintuitive display evaluation results, and achieve the effect of improving intuition and expansibility.
Pending Publication Date: 2021-06-22
OIL & GAS SURVEY CGS
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Benefits of technology
This patented technology helps evaluate frosted ground quality more effectively based on its type or level being evaluated at various locations within an area covered with ice during winter months. It uses advanced techniques such as geographic mapping (GTM) data from satellite imaging systems to create 3D maps that show how well it'll be affected when snow falls onto them. These maps are then displayed overlaid into space alongside other images captured through surveys like those done earlier versions of this system. Overall, these technical improvements help make better understanding of frosted areas easier than just looking up their surface signs.
Problems solved by technology
Technological Problem: Gas Hydrators Reserve Zone Plateau describes an issue with studying geothermal energy deposits from deep oceanic environments where there may exist significant amounts of water called volcanogenesis zones or seabed ice layers located near coastal areas such as North America's Gulf Coast National Laboratory. These waters contain valuable mineral elements like calcium carbonate, magnesium sulphide, beryllium oxides, lithochlorites, etc., but they also include small rocks containing silicate clay particles suspended within them. There currently no practiceable solution exists for accurately determining these properties at different depth locations along major oil/gas pipelines.
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[0070] 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.
[0071] Such as figure 1 As shown, the present invention provides a method for evaluating natural gas hydrate resources in permafrost regions, comprising the following steps:
[0072] Step S1, collecting the permafrost area information of the permafrost area to be evaluated and determining the exploration level of the permafrost area according to preset indicators;
[0073] In the step S1, the exploration level of the permafrost area includes high exploration lev
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The invention discloses a frozen soil region natural gas hydrate resource evaluation method. The method comprises the following steps: S1, collecting frozen soil region information of a to-be-evaluated frozen soil region, and determining a frozen soil region exploration level according to a preset index; s2, determining an algorithm of a natural gas hydrate resource evaluation index according to the exploration level of the permafrost region, and calculating the natural gas hydrate resource evaluation index; and S3, pushing the frozen soil region information and the natural gas hydrate resource evaluation indexes to a three-dimensional GIS live-action map for live-action display, and updating the live-action display by taking the natural gas hydrate resource evaluation indexes as guidance. According to the method, the permafrost region is subjected to survey grading, corresponding evaluation calculation methods are adopted for different survey grades, and final evaluation indexes are pushed to the three-dimensional GIS live-action map constructed by the terrain of the permafrost region for live-action display, so that the evaluation result can be intuitively displayed to a user while large-range permafrost region evaluation can be realized, and the permafrost region evaluation efficiency is improved. And the permafrost region evaluation intuition and expansibility are improved.
Description
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