PATENT CLAIM ANALYSIS

Application Number: 15758559
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-08
Patent Classification: ["702", "014000"]

Abstract:
A coal collapse column identification method and related apparatus that includes acquiring seismic shot gather data in a target region and a seismic wave migration velocity file; calculating a diffraction wave travel time of each piece of single-shot data at different imaging points according to the data; performing Mahalanobis distance calculation processing on each single-shot data and the diffraction wave travel time thereof to acquire a diffraction wave amplitude value sample point of each piece of single-shot data; imaging respectively on a diffraction wave of each piece of single-shot data; and superposing imaging processing results of all the single-shot data corresponding to the seismic shot gather data to obtain a diffraction wave imaging result of the seismic shot gather data so as to facilitate coal collapse column identification according to the diffraction wave imaging result. A diffraction wave corresponding to seismic shot gather data is extracted through a Mahalanobis distance.

Claim (Index 1):
A method for identifying a collapsed coal column, comprising:\n acquiring seismic shot gather data of a target area and seismic wave migration velocity files corresponding to the seismic shot gather data, wherein the seismic shot gather data comprises a plurality of pieces of single-shot data, each piece of the single-shot data comprises a plurality of seismic waves reflected or refracted by underground rock interfaces, and the seismic waves carry geological information; calculating diffracted wave travel times for each piece of the single-shot data from a seismic wave shot point position of the each piece of the single-shot data through any imaging point position in an underground imaging space to a seismic wave geophone point position of the each piece of the single-shot data, according to geophone spatial positions and the seismic wave migration velocity file corresponding to the each piece of the single-shot data; performing Mahalanobis distance calculation processing on each piece of the single-shot data and the diffracted wave travel time of the each piece of the single-shot data, to obtain diffracted wave amplitude sampling points of the each piece of the single-shot data, wherein the diffracted wave amplitude sampling points carry small-scale geological information, with the small-scale geological information at least comprising stratigraphic position information, fault information and collapsed column information; imaging respectively the diffracted wave amplitude sampling points of each piece of the single-shot data, to obtain a diffracted wave imaging result of the each piece of the single-shot data; and superposing the diffracted wave imaging results of all the single-shot data corresponding to the seismic shot gather data, to obtain a diffracted wave imaging result of the seismic shot gather data, so as to identify the collapsed coal column according to the diffracted wave imaging result of the seismic shot gather data.

Metadata:
- Claim Count in Document: 20.0
- Percentile: 90.0
- Lexical Diversity: 2.36364
- Patent Class: 702.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13675699', '13454547', '10989204', '11212063', '13271249']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.2109924854252418
- 35 USC 102 Novelty (BERT): 0.4810759011377797
- Combined Prediction Score: 0.2380008269964956
- Mean Citation Score: 227.961344
- Max Citation Score: 235.02913
- Similarity Product: 192.1489205993188

Labels:
- Claim Label 101: 0
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 0
- Combined Label: 0
- Label 101 Adjusted: 0

Dataset: test