A packaged artificial rock core with different bedding angles and its manufacturing method
A technology of artificial core and manufacturing method, which is applied in the field of artificial core and can solve the problems of deviation in simulation experiments and the like
Active Publication Date: 2021-06-29
NORTHEAST GASOLINEEUM UNIV
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Problems solved by technology
[0004] The purpose of the present invention is to provide a packaged artificial core with different bedding angles, which is used to solve the problem of deviation when the artificial core with weak structure is used for simulation experiments
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[0028] The present invention will be further described below with reference to the accompanying drawings:
[0029] Such as figure 1 As shown, this wrapping different layer is an angle of artificial core is a true three-axis hydraulic fracturing test piece formed by the inner wrapping heart of the heart, and the small core 2 is a sharp heart, two long. The cylindrical 3 and the two short cylindrical 4 constitute a bracket, the bracket is wrapped in the large core 1, and the two long cylinders 3 in the bracket are located on the left side of the two short cylinders 4, the two long cylinders 3 and the two short cylindrical 4 The connection constituting the inclined surface, the two points of the two long cylindrical 3 and the two short cylindrical 4 constitute a rectangle, the rectangular left side to the left side of the left side of the large core 1 and the right side of the rectangle To the right side of the large core 1, the distance to the front surface of the rectangle to the f...
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Abstract
The present invention relates to a packaged artificial core with different bedding angles and a manufacturing method thereof. The packaged artificial core with different bedding angles is a true triaxial hydraulic fracturing test specimen formed by wrapping a small core in a large core. The small core is a core with multi-layer bedding planes. Two long cylinders and two short cylinders constitute a support, and the support is also wrapped in the large core. The two long cylinders in the support are located on the left side of the two short cylinders, and the two long The line connecting the tops of the cylinder and the two short cylinders forms an inclined surface, and the small core is placed on the bracket obliquely, and the bottom surface of the small core coincides with the inclined surface; the fracturing pipe is inserted into the small core from the upper surface of the large core. The invention solves the problem that there is deviation when the artificial rock core with structural weak surface is used for simulation experiment.
Description
Technical field [0001] The present invention relates to the field of artificial core technology, and in particular, a wrapped different layer-based angle artificial core and its production methods. Background technique [0002] The dense reservoir penetration is extremely poor, and the volume fracturing forms a crack network to form efficient development, and the dense reservoir is weakly formed in the structure of layers, microcrack seams, etc., on-site fracturing practice shows that the structure of weak development The layer is easier to form a mesh crack, and the fracturing effect is better. Therefore, the analysis of the impact mechanism of the structural weakness of the crack network is of great significance. At present, an important means of research in this area is true three-axis hydraulic fracturing experiment. Since the dense reservoir core cannot be obtained a lot of acquisition and cannot be repeated, the experiment needs to make a large number of different angles an...
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IPC IPC(8): G01N1/36
CPCG01N1/36G01N2001/366
Inventor 董康兴王素玲宋微姜民政冯子明宋健
Owner NORTHEAST GASOLINEEUM UNIV