Shaft three-dimensional visualization method and device

A wellbore, three-dimensional technology

Pending Publication Date: 2022-07-15
BC P INC CHINA NAT PETROLEUM CORP +2
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Problems solved by technology

[0003] The existing wellbore 3D visualization technology is mainly aimed at playback data processing. It can only play back the data after drilling and restore the 3D data. It cannot realize the real-time and comprehensive display of the 3D structure of the wellbore. Provide reference for engineering applications such as anti-collision

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  • Shaft three-dimensional visualization method and device

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Embodiment Construction

[0024] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clearly understood, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Here, the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but not to limit the present invention.

[0025] As mentioned above, the existing wellbore 3D visualization technology is mainly aimed at playback data processing. It can only play back the data after drilling and then restore the 3D data. It is impossible to fully display the 3D structure of the wellbore in real time. Provide reference for engineering applications such as 3D simulation and wellbore anti-collision.

[0026] Digital twin technology (Digital Twin) is to make full use of physical model, sensor update, operation history and other data, integrate multi-disciplinary, multi-physica...

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Abstract

The invention discloses a shaft three-dimensional visualization method and device.The method comprises the steps that engineering parameter information and geological parameter information, collected by a sensor in real time, of all test points are obtained, the engineering parameter information comprises well deviation data, azimuth angle data and vertical depth data, and the geological parameter information comprises resistivity while drilling and azimuth gamma; determining coordinates of each test point in a Cartesian coordinate system according to the engineering parameter information; performing two-dimensional smooth curve fitting according to the coordinate of each test point in the Cartesian coordinate system; according to the fitted two-dimensional smooth curve, establishing a three-dimensional shaft digital twinborn model by adopting a cylinder reduction method; and according to the geological parameter information, mapping a logging imaging graph to the three-dimensional shaft digital twinborn model by adopting a texture mapping method. Three-dimensional visualization of the shaft can be achieved, and important reference is provided for engineering application such as well track monitoring, shaft three-dimensional simulation and well collision prevention.

Description

technical field [0001] The invention relates to the technical field of oilfield drilling, in particular to a method and device for three-dimensional visualization of a wellbore. Background technique [0002] With the continuous development of the petroleum industry and the increasing difficulty of oil and gas exploration and development, the petroleum exploration and development industry has gradually turned to the development of oil and gas reservoirs with thinner oil layers, poorer physical properties, and strong heterogeneity. The application of complex structure wells such as horizontal wells and multilateral directional wells in ultra-thin oil layers is increasing year by year. During the construction of these special craft wells, it is necessary to grasp the properties of the rock strata drilled by the drill bit in time, and find the reservoir quickly and accurately, so as to guide the construction personnel to control the drill bit to always pass through the reservoir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00
CPCG06T17/00
Inventor 胡永建孙成芹李显义黄衍福郭晨孙琦刘相翌路胜杰张冠杰
Owner BC P INC CHINA NAT PETROLEUM CORP
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