High-precision 3D printing method and device for unconventional rock model
A rock model and 3D printing technology, applied in the field of oil exploration, can solve the problems of inconvenient oil and gas development work, inability to truly characterize the geophysical parameter information of the strata to be developed, etc., and achieve the effect of improving efficiency.
Inactive Publication Date: 2018-11-16
CHINA UNIV OF PETROLEUM (BEIJING)
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Problems solved by technology
[0005] The present invention provides a high-precision unconventional rock model 3D printing method and device, which are used to solve the problem that in the prior art, due to the difference between the two collected natural rock cores, the subsequent geophysical parameter information measured based on the natural rock core cannot be truly accurate. Characterize the real geophysical parameter information of the formation to be developed, but bring inconvenience to the technical problems of subsequent oil and gas development work
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[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. All other embodiments obtained based on the embodiments of the present invention belong to the protection scope of the present invention.
[0029] figure 1 A schematic flow chart of the high-precision unconventional rock model 3D printing method provided in Embodiment 1 of the present invention, as shown in figure 1 As shown, the method includes:
[0030] Step 101, determine the pore structure and porosity of the core to be printed.
[0031] Under normal circumstances, the 3D printer is equipped with various "printing materials" such as various min...
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The invention provides a high-precision 3D printing method and device for an unconventional rock model. The method comprises the steps that the pore structure and the porosity of a to-be-printed rockcore are determined; a to-be-printed model of the to-be-printed rock core is constructed according to the pore structure and the porosity; the mineral composition components and the mineral proportionof the to-be-printed rock core are determined, and a to-be-printed material of the to-be-printed rock core is determined according to the mineral composition components and the mineral proportion; and a to-be-printed model is input into a 3D printer, the 3D printer prints the to-be-printed model through the to-be-printed material, and a rock core model corresponding to the to-be-printed rock coreis obtained. At least one rock core model printed by the 3D printer is completely consistent with the to-be-printed rock core, therefore, various geophysical parameter information obtained through measurement of the rock core model can truly represent geophysical parameter information of a to-be-developed stratum, and then the petroleum and gas exploration and development efficiency is improved.
Description
technical field [0001] The invention relates to the field of petroleum exploration, in particular to a method and device for 3D printing of high-precision unconventional rock models. Background technique [0002] In the field of oil and gas development, in order to ensure the efficiency of oil and gas development, it is first necessary to obtain the cores of the formations to be developed. In the laboratory, the cores of the formations to be developed will be tested for many times, and the various parameters of the cores of the formations to be developed will be measured. The experimental results are used as the geophysical parameter information of the formation to be developed. [0003] In the prior art, in order to realize the measurement of the core of the formation to be developed, it is necessary to collect the natural core of the formation to be developed for measurement. [0004] However, since there are often slight differences between different natural rock cores, ...
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Login to View More IPC IPC(8): B29C64/10B29C64/20B29C64/386B28B1/00G01N1/28B33Y10/00B33Y30/00B33Y50/00
CPCB29C64/10B28B1/001B29C64/20B29C64/386B33Y10/00B33Y30/00B33Y50/00G01N1/28
Inventor 廖广志肖立志杜群杰李新
Owner CHINA UNIV OF PETROLEUM (BEIJING)