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Delta sediment remote sensing detection method and device

A detection method and detection device technology, applied in the field of sedimentology, can solve the problems of heavy workload, time-consuming, complicated operation, etc.

Active Publication Date: 2018-02-02
PETROCHINA CO LTD
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  • Application Information

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Problems solved by technology

This laboratory detection method has high precision, but the operation is complex and time-consuming, and can only obtain the granularity characteristics of one point, and cannot directly obtain the granularity characteristics of the entire surface. If the test involves the entire surface, the workload is huge

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  • Delta sediment remote sensing detection method and device
  • Delta sediment remote sensing detection method and device
  • Delta sediment remote sensing detection method and device

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Embodiment Construction

[0101] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0102] In order to solve the problem that the particle size characteristics of the entire surface cannot be directly obtained in the prior art, or the problem of huge workload when testing the entire surface, the present invention introduces satellite remote sensing technology on the basis of the study of the sediment particle size-reflectivity model. The modern sedimentary investigation of the delta uses satellite remote sensing data to realize the prediction ...

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Abstract

A delta sediment remote sensing detection method and device, the delta sediment remote sensing detection method comprises: selecting different parts of different sedimentary facies of the delta to sample the surface sediment; obtaining the particle size distribution of the sediment sample to determine the particle size of the sediment sample; obtaining the sediment The reflectance spectrum of the sediment sample is resampled to a reflectance spectrum consistent with the satellite data band; the model between the grain size of the sediment and the reflectance of the satellite data band is established; the satellite data is obtained to establish the satellite data Retrieve the table and select part of the satellite data; perform geometric correction on part of the satellite data and convert it into reflectance data; classify the reflectance data according to the spectrum and texture characteristics of the reflectance data, and extract the reflectance data of the exposed area of ​​the delta surface ; Predict the percentage content of clay, silt and sand in the surface sediment of the albedo data of the exposed area of ​​the delta surface, and make a map of the percentage content of clay, silt and sand in the delta.

Description

technical field [0001] The invention relates to a delta modern sediment investigation technology, in particular to a delta sediment remote sensing detection method and device, belonging to the field of sedimentology. Background technique [0002] For oil and gas exploration and development, delta is a very important type of sedimentary facies. In the delta deposition, source rocks are developed in the pro-delta, and the reservoir properties of the delta front and delta plain are good, and the oil and gas source-reservoir-cap assemblage is very favorable. In many oilfields in my country, such as Daqing, Shengli, Liaohe, Xinjiang and other oilfields, delta reservoirs are important oil producing layers. Understanding the delta depositional model has important practical and theoretical significance for oil and gas exploration and development. In order to deeply explore the sedimentary laws of this type of oilfield, many researchers have applied the method of "reviewing the pas...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/02
Inventor 邢学文刘松周红英谢兴张强
Owner PETROCHINA CO LTD
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