Method and apparatus for determining amount of oil and gas at oil-gas transport path
A technology of oil and gas migration and oil and gas volume, applied in the field of geological exploration, can solve problems affecting the efficiency of oil and gas volume, affecting simulation speed and stability, etc.
Active Publication Date: 2018-01-09
PETROCHINA CO LTD
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Problems solved by technology
However, in the process of simulating oil and gas migration paths, multiple oil and gas source mergers or accumulation areas may be encountered. At this time, using the forward simulation method of oil and gas migration paths in the prior art to simulate oil and gas migration paths requires complex The simulation technology processing may affect the simulation speed and stability, which may affect the efficiency of calculating the amount of oil and gas on the oil and gas migration path
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[0042] Embodiments of the present application provide a method and device for determining the amount of oil and gas on an oil and gas migration path.
[0043] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.
[0044] An embodiment of the present application provides a method for determining the amount of oil and gas on an oil and gas migration path. The oil and gas migration path is located in ...
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The embodiment of the application discloses a method and apparatus for determining the amount of oil and gas at an oil-gas transport path. The method comprises: a flowable grid in a grid model is searched by starting with a destination grid in a designated direction to determine a grid path, wherein for random two adjacent flowable grids at the grid path, the elevation of the front flowable grid is smaller than or equal to that of the behind flowable grid in the designated direction, the designated direction expresses a direction opposite to the direction of an oil-gas transport path, and theflowable grid expresses a grid that has the oil saturation larger than a designated oil saturation threshold value and provides oil and gas for the destination grid in the grid model; and according tothe oil-gas amount in the flowable grid at the grid path, an oil-gas amount at the oil-gas transport path in a destination working area is determined. Therefore, the efficiency of calculating the oil-gas amount at the oil-gas transport path is increased.
Description
technical field [0001] The present application relates to the technical field of geological exploration, in particular to a method and device for determining the amount of oil and gas on the oil and gas migration path. Background technique [0002] Determining the amount of oil and gas on the oil and gas migration path in the exploration work area can provide an important data basis for the quantitative evaluation of the amount of migratable oil and gas and the migration distance in the subsequent oil and gas exploration process. [0003] The main process of the method for determining the oil and gas migration path in the exploration work area in the prior art is: use the forward simulation method of the oil and gas migration path from the source rock to the trap to simulate the oil and gas migration path in the exploration work area, Then, the amount of oil and gas on the oil and gas migration path of the exploration area is determined according to the amount of oil and gas...
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IPC IPC(8): G06Q10/06G06Q50/02
Inventor 郭秋麟刘继丰陈宁生张兴阳
Owner PETROCHINA CO LTD