Method for determining time series of oil and gas charging in ore-bearing formations of shallow layer of basin margin
A time series, oil and gas technology, applied in the direction of seismology, measuring devices, instruments, etc. for well logging records, can solve problems such as inappropriate oil and gas charging time
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[0031] The present invention will be described in further detail below in conjunction with accompanying drawings and examples.
[0032] Since the depth of the sandstone-type uranium ore prospecting target layer is more than 500m at present, the "shallow layer" in this patent is defined as the range shallower than 500m underground.
[0033] Such as figure 1 As shown, the present invention provides a method for determining the oil and gas charging time series of shallow ore-bearing formations at the basin margin. The method includes the following steps:
[0034] Step (1) Determine the working area and the target layer, and determine the stratum age range of the target layer as t 0 —t 0 ';Specific steps are as follows:
[0035] Step (1.1) circle the working area on the uranium ore geological map of appropriate scale;
[0036] The scale is 1:50,000-1:500,000. For example, choose the 1:200,000 geological map of uranium deposits in the Junggar Basin, and capture the northwest m...
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Abstract
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