Method for intelligently reconstructing 2D geological sequence model

A geological layer and intelligent technology, applied in the field of intelligent reconstruction of 2D geological sequence models, can solve the problems of low efficiency and indescribable sedimentary sequence models, and achieve the effects of accurate models, correct sequences and high efficiency

Pending Publication Date: 2019-11-19
科吉思石油技术咨询(北京)有限公司
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Problems solved by technology

[0008] The present invention provides a method for intelligently reconstructing a 2D geological sequence model, which solves the problem of manually drawing POLYGON when establishing 2D geological models in th

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  • Method for intelligently reconstructing 2D geological sequence model
  • Method for intelligently reconstructing 2D geological sequence model
  • Method for intelligently reconstructing 2D geological sequence model

Examples

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Example Embodiment

[0060] Example 1:

[0061] Such as Figure 1-Figure 6 As shown, this embodiment provides a method for intelligently reconstructing a 2D geological sequence model, including the following steps:

[0062] Step 1: Draw horizon line and fault line;

[0063] Step 2: Identify the geological framework formed by the horizon line and the fault line described in step 1, and establish the framework information for the identified geological framework;

[0064] Step 3: Perform topological structure identification on the grid information of the geological grid in step 2, and merge the identified topological structure with the boundary information of the geological grid to construct a boundary unit;

[0065] Step 4: Tracking and identifying the boundary units described in step 3, and applying geological law constraints to establish a sequence model to realize automatic identification of geological bodies, and obtain a 2D mesh map and a 2D geological model.

[0066] Such as Figure 7 , Figure 8 As sho...

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Abstract

According to a method for intelligently reconstructing a 2D geological sequence model, the geological model is automatically established within a few minutes in an extremely short time basically without human intervention, the model is accurate, the efficiency is extremely high, it can be guaranteed that 2D modeling is achieved with correct sequence, high quality and high efficiency, and a remarkable technical effect is achieved; for a geologic body identified by the technology, stratigraphic sequence information can be quickly defined; sequence identification and mesh generation are automatically carried out. The problem that in the prior art, when a 2D geologic model is established, a POLYGON manual drawing mode is generally adopted, the efficiency is low, a sedimentary sequence mode cannot be described, and great difficulty is brought to later constraint attribute modeling in the mode that the drawn POLYGON is overlaid to describe a geologic body in a special form is solved.

Description

technical field [0001] The invention belongs to a 2D sequence modeling technology for petroleum geological exploration, evaluation and development, and in particular relates to a method for intelligently reconstructing a 2D geological sequence model. Background technique [0002] Since the publication of the world's first geological map of the geological structure and stratigraphic relationship of England, Wales and Scotland edited by the British geologist William Smith in 1815, 2D geological Figure 1 It has always been an important form of geological information. With the development of IT, especially the development of computer-aided mapping technology, GIS technology and 3D geological modeling technology, the expression of geological information has achieved great progress. [0003] In the field of reservoir exploration and development (including geophysical forward modeling, inversion, geological correlation, reservoir profile, etc.), sometimes in order to achieve more ...

Claims

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Application Information

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IPC IPC(8): G06T11/00
CPCG06T11/00
Inventor 赵启蒙明治良刘义
Owner 科吉思石油技术咨询(北京)有限公司
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