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Stratum seam-and-hole development three-dimensional modeling method

A 3D modeling and 3D model technology, applied in the field of 3D modeling of stratum fracture-cavity development, can solve problems such as the difficulty in establishing a 3D model of stratum fracture-cavity development, and reduce the construction period of exploratory wells, reduce the risk of engineering accidents, and reduce operating costs Effect

Inactive Publication Date: 2018-03-06
彭绍宾
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Problems solved by technology

[0003] The purpose of the present invention is to propose a three-dimensional modeling method for stratum fracture-cavity development, to solve the problem that it is difficult to establish a stratum fracture-cavity development three-dimensional model in the prior art, and to realize the purpose of establishing a fracture-cavity development model through geological research means

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  • Stratum seam-and-hole development three-dimensional modeling method

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Embodiment 1

[0016] Such as figure 1 The three-dimensional modeling method for formation fracture-vuggy development shown in the figure, in a certain oil and gas exploration and development block, according to the geological conditions and research target requirements, a total of 5 representative exploration wells are selected in all directions, including the trap center point , carry out the following technical steps: (a) During the drilling construction process, carry out closed coring operations for layers with oil and gas shows, conduct electron microscope scanning observation and NMR analysis on the cores taken out, and obtain their porosity and permeability parameters; ( b) During the drilling construction process, carry out conventional logging operations on the entire well section. Logging items include resistivity logging, acoustic time difference logging, spontaneous potential logging, natural gamma logging, compensated neutron logging, density Logging and logging interpretation;...

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Abstract

The invention discloses a stratum seam-and-hole development three-dimensional modeling method. Through utilizing a logging mode of combining routine logging and micro-resistivity scanning imaging logging, and utilizing centering for analyzing the specific seam-and-hole parameter characteristic, seam-and-hole identification is comprehensively performed on the stratum, thereby combining a seam-and-hole development layer system and a specific parameter characteristic, establishing a stratum seam-and hole-development three-dimensional model, settling a problem of high difficulty in establishing the stratum seam-and hole-development three-dimensional model in prior art, and realizing a purpose of establishing the stratum seam-and hole-development three-dimensional model through a geological researching facility.

Description

technical field [0001] The invention relates to the field of geological exploration and development, in particular to a three-dimensional modeling method for formation fracture-cave development. Background technique [0002] Fracture-vuggy formations often have the characteristics of irregular development of fractures and caves, low matrix porosity, poor permeability, vertical and horizontal distribution of reservoir space, and strong heterogeneity. Difficult item. Affected by tectonic movements, fractured-vuggy formations often have the characteristics of deep burial, small difference in wave impedance, weak seismic reflection, low resolution, disordered seismic phases, and low resolution and accuracy of seismic sequences. The geological research of strata tends to be carried out by means of well logging. However, conventional logging methods are not very pertinent when studying fractured-vuggy formations, and specific parameters cannot be obtained. It is difficult to est...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/05
CPCG06T17/05
Inventor 彭绍宾
Owner 彭绍宾
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