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Three-dimensional geologic modeling software-based physical property parameter thickness correction method

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

Active Publication Date: 2018-05-25
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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  • Three-dimensional geologic modeling software-based physical property parameter thickness correction method
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  • Three-dimensional geologic modeling software-based physical property parameter thickness correction method

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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 three-dimensional geologic modeling software-based physical property parameter thickness correction method. The method comprises the following steps of: 1, unifying formats ofreservoir thickness data and carrying out integer coding; 2, correctly loading a thickness attribute code into three-dimensional geologic modeling software; 3, calculating correct reservoir thick attribute curve data by utilizing the thickness attribute code; and 4, carrying out thickness correction calculation on physical property parameters such as porosity, permeability and the like by utilizing an established thickness correction interpretation model. According to the three-dimensional geologic modeling software-based physical property parameter thickness correction method, a thickness attribute curve is correctly constructed through calculation and loading, so that the problem of three-dimensional geology modeling is lack of reservoir thickness attribute curves is solved; and reservoir thickness correction is realized in the three-dimensional geologic modeling software, so that more correct reservoir attribute data such as porosity, permeability and the like is calculated, and basic data is provided for other calculations which are carried out by utilizing the thickness attribute curve.

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...

Claims

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Application Information

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IPC IPC(8): G06T17/05G06F17/50
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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