Calcite dolomite porosity measuring method and apparatus
A measuring method and technology of measuring device, which are applied in the field of geological survey and can solve the problems of poor porosity prediction results and the like
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Embodiment 1
[0025] figure 1 It is a schematic flowchart of a method for measuring the porosity of lime dolomite provided by Embodiment 1 of the present invention. Such as figure 1 As shown, the porosity measurement method of lime dolomite includes the following steps:
[0026] 101. Obtain the dolomite content of the lime dolomite in the area to be measured.
[0027] Before obtaining the dolomite content of limestone dolomite in the area to be measured in step 101, it also includes:
[0028] Obtain relevant data of the area to be tested, including seismic data, logging data and core data.
[0029] Among them, the seismic data includes: angle-wise stacked data volume or pre-stack time migration data, and seismic horizons. Well logging data include basic well data, such as coordinates, well depth, core filling altitude, etc., geological stratification data, well logging curves such as compressional wave velocity, shear wave velocity, density, dolomite content curve, and logging interpret...
Embodiment 2
[0047] figure 2 It is a schematic flowchart of another lime dolomite porosity measurement method provided in Example 2 of the present invention. Such as figure 2 As shown, the porosity measurement method of lime dolomite includes the following steps:
[0048] 201. Obtain relevant materials of the region to be measured.
[0049] Wherein, the relevant data include seismic data, logging data and core data.
[0050] Among them, the seismic data includes: angle-wise stacked data volume or pre-stack time migration data, and seismic horizons. Well logging data include basic well data, such as coordinates, well depth, core filling altitude, etc., geological stratification data, well logging curves such as compressional wave velocity, shear wave velocity, density, dolomite content curve, and logging interpretation porosity curve, etc. Other cores and imaging logging data.
[0051] 202. Carry out petrophysical analysis based on well logging data and core data, and obtain the firs...
Embodiment 3
[0082] Figure 5 It is a schematic structural diagram of a lime dolomite porosity measurement device provided in Embodiment 3 of the present invention. Such as Figure 5 As shown, the lime dolomite porosity measurement device includes: an acquisition module 21 , a determination module 22 and a calculation module 23 .
[0083] Wherein, the obtaining module 21 is used to obtain the dolomite content of the lime dolomite in the region to be measured.
[0084]Specifically, before the acquisition module 21 acquires the dolomite content of the limestone dolomite in the area to be tested, relevant data of the area to be tested needs to be obtained, wherein the relevant data include seismic data, well logging data, and core data. Among them, the seismic data includes: angle-wise stacked data volume or pre-stack time migration data, and seismic horizons. Well logging data include basic well data, such as coordinates, well depth, core filling altitude, etc., geological stratification ...
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