Representation method of oil-gas exploration and oil-gas reservoir by taking vital bacterium abnormality and dead bacterium abnormality of methane-oxidizing bacteria as indicators
A technology for methane-oxidizing bacteria and oil and gas reservoirs, applied in the fields of oil and gas exploration and oil and gas reservoir characterization, can solve problems such as increased cost, inability to evaluate, and compare, and achieve the effects of ensuring counting accuracy, improving measurement efficiency, and avoiding randomness.
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Embodiment 1
[0056] The area involved in embodiment 1 is an oil and gas reservoir area under development (such as figure 1 and figure 2 shown), it can not only carry out microbial oil and gas exploration, but also carry out oil and gas reservoir characterization. The method comprises the following specific steps:
[0057] 1. According to the spatial size of oil and gas basins, trap structures and oil and gas reservoirs, the thickness of source rocks, the characteristics of soil and / or sediments above oil and gas exploration areas or oil and gas reservoirs, and the precision requirements for oil and gas exploration and oil and gas reservoir characterization, in In the selected exploration or characterization area, the selected grid size is 150 m ~ 250 m×150 m ~ 250 m ( figure 1 and figure 2 ).
[0058] 2. According to the characteristics of soil and / or sediments above oil and gas basins and oil and gas reservoirs, the characteristics of biological populations in soil and / or sediments,...
Embodiment 2
[0075] The exploration area involved in embodiment 2 is an unknown exploration area (such as image 3 and Figure 4 shown), but geological exploration and seismic exploration studies have been carried out. A new method for microbial oil and gas exploration, the method includes the following specific steps:
[0076] 1. According to the size of oil and gas generation basins and trap structures, the thickness of source rocks, the characteristics of surface soil and / or sediments, the exploration destination and the requirements of exploration precision, in the selected exploration area above the oil and gas generation basins, select The fixed grid degree is 150 m ~ 250 m×150 m ~ 250 m ( image 3 and Figure 4 ).
[0077] 2. According to the characteristics of the soil and / or sediments above the oil and gas basins, the characteristics of the biological populations in the soil and / or sediments, and human activities, the specific sampling depth is determined to be 20 cm to 70 cm ...
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