Thickness Correction Method of Physical Parameters Based on 3D Geological Modeling Software

A three-dimensional geological and physical parameter technology, applied in 3D modeling, image data processing, special data processing applications, etc., can solve problems such as inconvenient correction of thin layer attribute parameters, inability to directly obtain reservoir thickness attributes, etc., to achieve accurate source Reliable, skilled effects

Active Publication Date: 2021-02-23
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

However, the reservoir thickness attributes cannot be obtained directly in the Petrel software, which brings inconvenience to the correction of thin layer attribute parameters

Method used

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  • Thickness Correction Method of Physical Parameters Based on 3D Geological Modeling Software
  • Thickness Correction Method of Physical Parameters Based on 3D Geological Modeling Software
  • Thickness Correction Method of Physical Parameters Based on 3D Geological Modeling Software

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Embodiment Construction

[0034] In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments are listed below and shown in the accompanying drawings in detail as follows.

[0035] Such as figure 1 as shown, figure 1 It is a flowchart of a method for correcting thickness of physical parameters based on 3D geological modeling software of the present invention.

[0036] In step 101, the specific implementation process is:

[0037] 1) Keep the reservoir thickness data with 1 digit after the decimal point;

[0038] 2) Construct a set of discrete thickness attribute data, whose value is equal to the reservoir thickness value × 10;

[0039] 3) The integer encoding characteristics of discrete data need to be initially set, and the maximum value of the reservoir encoding Numer_Max is determined according to the maximum thickness of the reservoir:

[0040] Numer_Max=max(T i )

[0041] Among them, Numer_Max represents the maxi...

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Abstract

The invention provides a method for correcting the thickness of physical parameters based on three-dimensional geological modeling software, comprising: step 1, unify the format of reservoir thickness data, and perform integer coding; step 2, correctly load the thickness attribute code into the three-dimensional geological modeling software In the modeling software; Step 3, use the thickness attribute code to calculate the accurate reservoir thickness attribute curve data; Step 4, use the established thickness correction interpretation model to perform thickness correction calculation on the physical parameters such as porosity and permeability. The thickness correction method based on the physical parameters of the 3D geological modeling software accurately constructs the thickness attribute curve through calculation and loading, and solves the problem of lack of reservoir thickness attribute curves in 3D geological modeling. In the 3D geological modeling software The correction of reservoir thickness is realized in the software, and more accurate reservoir attribute data such as porosity and permeability are calculated, and basic data are provided for other calculations using thickness attribute curves.

Description

technical field [0001] The invention belongs to the field of three-dimensional geological modeling for oil exploration and development, in particular to a method for correcting the thickness of physical parameters based on three-dimensional geological modeling software. Background technique [0002] 3D geological modeling is a digital representation process of geological bodies, which is mainly used in the static description of reservoirs in the development stage. With the help of geological models, oilfield reservoir evaluation, development plan preparation and adjustment, and development effect prediction can be better performed. Attribute parameter modeling is an important part of 3D geological modeling, mainly including a variety of parameters that reflect the characteristics of formation lithology and oil and gas resource distribution, such as porosity, permeability, oil saturation, etc. These attribute parameters are all calculated from well logging curves, but the wel...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/05G06F30/10G06F30/20
CPCG06T17/05G06F30/00
Inventor 李忠新杨勇郭迎春吕广忠杨明林
Owner CHINA PETROLEUM & CHEM CORP
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