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A 3D Geological Modeling Method for Reservoir

A technology of 3D geology and modeling methods, applied in 3D modeling, instruments, calculations, etc., can solve the problems of incompleteness, simple data, single method, etc., and achieve the effect of accurate establishment and easy detailed exploration

Active Publication Date: 2019-03-12
CHENGDU CHUANGYUAN OIL & GAS TECH DEV
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Problems solved by technology

However, the geological modeling methods in the domestic prior art have simple data, single methods, and are not comprehensive enough to provide sufficient support for drilling and completion construction and post-production

Method used

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  • A 3D Geological Modeling Method for Reservoir

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Experimental program
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Embodiment 1

[0016] Such as figure 1 A three-dimensional geological modeling method for reservoirs is shown. In a certain exploration and development block, the following technical steps are implemented according to geological conditions and research target requirements: (a) implement three-dimensional seismic exploration on the surface; (b) select a Design the well structure of the exploratory well at N positions representing significance, and carry out the construction operations of N exploratory wells; among them, the following technical steps are implemented for each exploratory well (where N is a positive integer greater than or equal to 5); (c) the whole well The cuttings logging work is carried out once every 2m, and it is estimated that the sand is once every 1m in the reservoir section; (d) Resistivity logging, sonic logging, spontaneous potential logging, natural gamma logging, neutron compensation Logging, density logging, and caliper logging, to obtain the above-mentioned loggi...

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Abstract

The invention discloses a reservoir three-dimensional geological modeling method. The method is characterized by through implementing seismic exploration on a ground surface, selecting N exploratory wells possessing a symbolical meaning in a same area, carrying out dense sand fishing, conventional logging, imaging logging, VSP logging and crosswell earthquake on each exploratory well so as to making complete and comprehensive logging interpretation; and then, through performing sidewall coring on a reservoir acquired from the logging interpretation, carrying out electron microscope scanning observation, porosity measurement and a rock strain experiment on a taken core, combining the logging interpretation and finally using modeling software to establish a reservoir three-dimensional geological model so as to comprehensively and accurately establish the reservoir three-dimensional geological model. A purpose of exploring reservoir basic geological information in detail is reached.

Description

technical field [0001] The invention relates to the field of geological exploration and development, in particular to a three-dimensional geological modeling method for reservoirs. Background technique [0002] Geological modeling of reservoirs has always been one of the important links in the exploration and development of oil and gas fields. From the perspective of oil and gas field development, the study of reservoir geological model is an important means to enhance oil and gas recovery and improve development methods. The established geological model can provide geological personnel with a lot of information. The first is the three-dimensional visualization of reservoir geology. We can see the three-dimensional spatial distribution and changes of reservoir geology, and we can also make two-dimensional pictures such as structural maps, isopach maps, and lithofacies distribution maps. Secondly, it provides geological personnel with a set of organically integrated data bo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/05
CPCG06T17/05
Inventor 杨波李其鑫
Owner CHENGDU CHUANGYUAN OIL & GAS TECH DEV
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