Sand filling method of two-dimensional model experiment device and two-dimensional model experiment device
By determining the mesh size ratio and dosage of quartz sand in a two-dimensional model experimental device, extruding the permeable layer in stages and detecting the permeability, and obtaining the relationship curve, the problem of large permeability deviation was solved, and the permeability consistency and sand filling efficiency of the experimental device were improved.
CN122084479APending Publication Date: 2026-05-26CHINA PETROLEUM & CHEMICAL CORP +1
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA PETROLEUM & CHEMICAL CORP
- Filing Date
- 2024-11-25
- Publication Date
- 2026-05-26
AI Technical Summary
Technical Problem
The existing two-dimensional model experimental device has a large permeability deviation, which renders the experimental results meaningless, and the manufacturing process is complex and inaccurate.
Method used
By determining the mesh size ratio and dosage of mixed quartz sand according to the preset permeability, the permeable layer is extruded in stages and the permeability is tested to obtain the relationship curve between the thickness of the permeable layer and the permeability, providing a theoretical basis for sand filling.
Benefits of technology
It improves the permeability consistency and sand filling efficiency of the two-dimensional model experimental device, solves the problem of large permeability deviation, and simplifies the manufacturing process.
✦ Generated by Eureka AI based on patent content.
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Figure CN122084479A_ABST
Abstract
The invention provides a sand filling method of a two-dimensional model experiment device and the two-dimensional model experiment device, and relates to the technical field of oil and gas reservoir fracturing transformation. The sand filling method comprises the following steps: S1) according to the preset permeability of the two-dimensional model experimental device, determining the mesh ratio and the dosage of mixed quartz sand for filling the two-dimensional model experimental device; s2) paving a determined amount of mixed quartz sand into a filling cavity of the two-dimensional model experimental device to form a permeable layer, extruding the permeable layer for several times until the thickness of the permeable layer reaches a given thickness, and extruding the permeable layer every time to reduce the thickness of the permeable layer by a first given thickness to obtain a second given thickness; the permeability of the permeable layer is detected after the first given thickness of the permeable layer is reduced each time; s3, a relation curve between the thickness of the permeable layer and the permeability is obtained according to the thickness of the permeable layer and the permeability of the corresponding thickness. The problem that in the prior art, the permeability deviation of a two-dimensional model experiment device is large is solved, and a worker can conveniently and rapidly complete sand filling of the two-dimensional model experiment device.
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