CN-121995514-A - Detection point position setting method and system based on non-invasive geophysical prospecting data

CN121995514ACN 121995514 ACN121995514 ACN 121995514ACN-121995514-A

Abstract

The invention relates to a detection point position setting method and system based on non-invasive geophysical prospecting data. When the detection point position arrangement scheme is solved, the invention constructs an adaptability function, the adaptability function is comprehensively calculated based on the number of the detection point position arrangement units and the unit coverage data corresponding to each of the plurality of the representing units in the residual area units, and the unit coverage number of the representing units is obtained only through non-invasive geophysical prospecting. Through the optimized guidance of the fitness function, the arrangement quantity of the detection points in the geological region can be reduced as much as possible, and the geological exploration data of other region units can be effectively represented by the geological exploration data at the detection points. The method realizes the balance between the arrangement quantity of the detection points and the representativeness of the geological exploration data, reduces the geological exploration cost, improves the overall efficiency of the geological exploration, and ensures the data comprehensiveness and reliability of the geological exploration.

Inventors

Yue Yunbao
HUANG JIAN
YAN DI
HAN LEI
CHEN TING
LI HONGTAI
ZHANG OU
LIU PENG
QIANG YU

Assignees

四川省地球物理调查研究所

Dates

Publication Date: 20260508
Application Date: 20260113

Claims (10)

1. The detection point position setting method based on the non-invasive geophysical prospecting data is characterized by comprising the following steps of: uniformly meshing the geological slice area to obtain a plurality of area units; acquiring respective corresponding distances between the area units; acquiring the non-invasive geophysical prospecting data similarity corresponding to each region unit based on the non-invasive geophysical prospecting data corresponding to each region unit; Based on the respective corresponding distance between the area units and the non-invasive geophysical prospecting data similarity, solving to obtain a detection point position arrangement scheme, wherein part of the area units are used as detection point position arrangement units in the detection point position arrangement scheme; When solving the detection point position arrangement scheme, calculating an adopted fitness function based on the number of detection point position arrangement units and unit coverage data corresponding to each of a plurality of representing units determined in the residual area units; the unit coverage data of each representative unit are obtained based on the respective corresponding distance between the representative unit and at least one detection point position arrangement unit and the similarity of non-invasive geophysical prospecting data.
2. The method for setting detection points based on non-invasive geophysical prospecting data according to claim 1, wherein the unit coverage data of each representative unit is obtained based on the distance between the representative unit and the detection point arrangement unit closest to the representative unit in the whole geological region, and the similarity of the non-invasive geophysical prospecting data.
3. The method for setting detection points based on non-invasive geophysical prospecting data according to claim 1, wherein when the distance between the representative unit and the detection point placement unit closest to the representative unit in the whole geological patch is smaller than a first preset distance threshold, obtaining unit coverage data of the representative unit based on the distance between the representative unit and the detection point placement unit closest to the representative unit in the whole geological patch and the similarity of the non-invasive geophysical prospecting data; When the distance between the representing unit and the detection point position arrangement unit nearest to the representing unit in the whole geological region is not smaller than a first preset distance threshold, obtaining unit coverage data of the representing unit, wherein the unit coverage data comprises the following steps: Determining a plurality of radiation patch areas corresponding to the representative units and radiating to the periphery of the representative units respectively by taking the representative units as the centers; For each radiation patch, when a detection point position arrangement unit exists in the radiation patch, acquiring patch coverage data corresponding to the representative unit on the radiation patch based on the distance between the detection point position arrangement unit closest to the representative unit in the radiation patch and the representative unit and the non-invasive geophysical prospecting data similarity; And acquiring unit coverage data of the representative unit based on all the slice coverage data corresponding to the representative unit.
4. The method for setting detection points based on non-invasive geophysical prospecting data according to claim 3, wherein, for each radiation patch, when there is a detection point placement unit with a distance from a representative unit smaller than a second preset distance threshold value in the radiation patch, the corresponding patch coverage data of the representative unit on the radiation patch is obtained based on the distance between the closest detection point placement unit and the representative unit in the radiation patch and the similarity of the non-invasive geophysical prospecting data; The second preset distance threshold is greater than the first preset distance threshold.
5. The method for setting detection points based on non-invasive geophysical prospecting data according to claim 1, wherein the fitness function adopted when solving the detection point placement scheme is further calculated based on distances between the detection point placement units corresponding to the detection point placement units closest to the detection point placement units and the similarity of the non-invasive geophysical prospecting data.
6. The method for setting a probe point based on non-invasive geophysical prospecting data according to claim 1, further comprising obtaining drilling difficulties corresponding to each area unit; when the solution is adopted to obtain the detection point position arrangement scheme, the method is also based on the drilling difficulty corresponding to each area unit, and the adopted fitness function is also calculated based on the drilling difficulty corresponding to each detection point position arrangement unit.
7. The method for setting a probe point based on non-invasive geophysical prospecting data according to claim 1, further comprising obtaining the altitude corresponding to each regional unit; And when the solution is adopted to obtain the detection point position arrangement scheme, the method is also based on the respective corresponding altitude of each regional unit, and the adopted fitness function is also calculated based on the respective corresponding altitude of the plurality of detection point position arrangement units.
8. The method for setting detection points based on non-invasive geophysical prospecting data according to claim 1, wherein the method further comprises selecting a plurality of preliminary selection units among all the area units before the solving to obtain the detection point arrangement scheme; determining the plurality of representative units in the remaining area units includes determining all area units selected as the preliminary selected units in the remaining area units as the plurality of representative units.
9. The method for setting a probe point based on non-invasive geophysical prospecting data according to claim 8, wherein the selecting a plurality of preliminary selection units among all the area units comprises: The method comprises the steps of selecting a preset number of primary selection units in all area units by taking the sum of non-invasive geophysical prospecting data similarity between the primary selection units corresponding to the primary selection units and the primary selection units closest to the primary selection units as a target.
10. A detection point setting system based on non-invasive geophysical prospecting data, and a detection point setting method based on non-invasive geophysical prospecting data according to any one of claims 1 to 9, comprising: The dividing module is used for uniformly dividing grids of the geological slice area to obtain a plurality of area units; the first acquisition module acquires respective corresponding distances among the area units; the second acquisition module is used for acquiring the non-invasive geophysical prospecting data similarity corresponding to each region unit based on the non-invasive geophysical prospecting data corresponding to each region unit; And the solving module is used for solving and obtaining a detection point position arrangement scheme based on the respective corresponding distance between the area units and the non-invasive geophysical prospecting data similarity, wherein the detection point position arrangement scheme takes part of the area units as detection point position arrangement units.

Description

Detection point position setting method and system based on non-invasive geophysical prospecting data Technical Field The embodiments of the present disclosure relate to the field of geological exploration, and in particular, to a method and a system for setting a detection point based on non-invasive geophysical prospecting data. Background Currently, in geological exploration, it is generally required to set a plurality of detection points in a geological zone based on expert experience, and then perform drilling operations at the detection points to obtain corresponding geological exploration data, so that reasonable arrangement of the detection points is a key to ensuring exploration effects and control costs. However, the existing lack of systematic detection point placement schemes depends on manual experience judgment, and has obvious defects. If the detection points are arranged too much, the comprehensiveness and reliability of the data can be guaranteed, but the subsequent drilling cost can be increased obviously. Otherwise, if the detection points are arranged too little, important geological information may be omitted, and the comprehensiveness and reliability of the exploration result are affected. Therefore, there is a need to develop a method capable of scientifically and efficiently determining geological exploration points, so as to improve exploration efficiency, reduce exploration cost, and ensure comprehensiveness and reliability of geological exploration data. Disclosure of Invention The embodiment of the specification provides a detection point position setting method and system based on non-invasive geophysical prospecting data, which can scientifically and efficiently determine geological detection points so as to improve exploration efficiency, reduce exploration cost and ensure comprehensiveness and reliability of geological exploration data. The technical scheme is as follows: In a first aspect, an embodiment of the present disclosure provides a method for setting a probe point location based on non-invasive geophysical prospecting data, including: uniformly meshing the geological slice area to obtain a plurality of area units; acquiring respective corresponding distances between the area units; acquiring the non-invasive geophysical prospecting data similarity corresponding to each region unit based on the non-invasive geophysical prospecting data corresponding to each region unit; Based on the respective corresponding distance between the area units and the non-invasive geophysical prospecting data similarity, solving to obtain a detection point position arrangement scheme, wherein part of the area units are used as detection point position arrangement units in the detection point position arrangement scheme; When solving the detection point position arrangement scheme, calculating an adopted fitness function based on the number of detection point position arrangement units and unit coverage data corresponding to each of a plurality of representing units determined in the residual area units; the unit coverage data of each representative unit are obtained based on the respective corresponding distance between the representative unit and at least one detection point position arrangement unit and the similarity of non-invasive geophysical prospecting data. Preferably, the unit coverage data of each representative unit is obtained based on the distance between the representative unit and the detection point position arrangement unit nearest to the representative unit in the whole geological region and the similarity of non-invasive geophysical prospecting data. As a preferable scheme, when the distance between the representative unit and the detection point position arrangement unit closest to the representative unit in the whole geological patch is smaller than a first preset distance threshold value, obtaining unit coverage data of the representative unit based on the distance between the representative unit and the detection point position arrangement unit closest to the representative unit in the whole geological patch and the similarity of non-invasive geophysical prospecting data; When the distance between the representing unit and the detection point position arrangement unit nearest to the representing unit in the whole geological region is not smaller than a first preset distance threshold, obtaining unit coverage data of the representing unit, wherein the unit coverage data comprises the following steps: Determining a plurality of radiation patch areas corresponding to the representative units and radiating to the periphery of the representative units respectively by taking the representative units as the centers; For each radiation patch, when a detection point position arrangement unit exists in the radiation patch, acquiring patch coverage data corresponding to the representative unit on the radiation patch based on the distance between the detection point position arr