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A Reconstruction Method of Resource Logging Data

A well logging data and well logging technology, applied in the field of well logging data processing, can solve the problem of long calculation time

Active Publication Date: 2020-10-27
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Considering that the processing of massive data has very high requirements on equipment performance, and the realization of high-precision reconstruction also brings about the problem of very long calculation time, it can be seen that there is still room for improvement in this method

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  • A Reconstruction Method of Resource Logging Data
  • A Reconstruction Method of Resource Logging Data
  • A Reconstruction Method of Resource Logging Data

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Embodiment Construction

[0047] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0048]The inventor found that many scholars have done related research on resource evaluation indicators based on massive data, and he believes that referring to these experiences can provide help for deep learning and reduce the data burden. In this regard, the inventor proposes that the weight of evidence model can be used for prediction. The weight of evidence model here takes factors related to an event as evidence factors, analyzes the contribution of each evidence factor to the event based on known discrete events, and uses the contribution as the weight of the corresponding evidence factor to calculate the aftermath of the event. The greater the posterior probability, the higher the probability of the event occurring. For the reconstruction of resource logging data, the prior probability of the occurrence of resource reserves in well ...

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Abstract

The present invention provides a method of establishing a model for reconstruction of resource logging data and a method of reconstructing resource logging data based on the model. The method for establishing a model includes: 1) using each of a plurality of different well logging curves as an evidence factor for the event that there are resources in the logging; 2) for each piece of evidence factor, its contribution to the event is determined as an expression of the probability that the evidence factor exists or does not exist in the area to be reconstructed under the condition that the event occurs or does not occur; 3) according to the prior probability of the event , the contribution degree of the evidence factor to the event to represent the posterior probability of the event.

Description

technical field [0001] The invention relates to the processing of big data, in particular to the processing of logging data of natural resources such as mineral deposits, oil, and natural gas based on deep learning. Background technique [0002] Fossil energy such as oil and natural gas is the world's general energy at this stage, and its exploration and development is an important guarantee for national construction and economic development. The breakthrough of exploration technology is accompanied by the emergence of more high-depth exploration wells, which also brings about the rise of exploration costs. How to reconstruct the storage of resources in the entire area through limited exploratory well data is a breakthrough point in resource mining technology. [0003] Over the years, many domestic and foreign scholars have conducted in-depth research to solve the above problems, and proposed many evaluation methods such as analogy method, genetic method, and statistical me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/18G06K9/62
CPCG06F17/18G06F18/2411
Inventor 朱登明姬庆庆胡家琦王兆其
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI