A Visual Horizontal Well Reservoir Sand Filling Physical Model and System
A physical model and horizontal well technology, applied in wellbore/well components, production fluid, earthwork drilling and production, etc., can solve the problem of single fluid inflow channel
Active Publication Date: 2018-04-20
CHINA UNIV OF GEOSCIENCES (BEIJING)
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Problems solved by technology
[0005] However, in the prior art, the tube is used as the prototype, and the fluid inflow channel is single, which cannot simulate the actual requirements of the experiment well.
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[0037] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0038] In the description of the present invention, unless otherwise specified, the orientation or state relationship indicated by the terms "upper", "lower", "top", "bottom", "longitudinal" etc. is based on the orientation or state relationship shown in the drawings , is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
[0039] What needs to be explained in the description of the present invention is that un...
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The invention relates to the technical field of the oil deposit engineering and provides a visual horizontal well oil deposit sand filling physical model and system. The model comprises a first clamping plate, a second clamping plate and a transparent plate. A first fluid injection channel and a second fluid injection channel are arranged in the first clamping plate, a clamping groove is formed in one side of the first clamping plate, a plurality of second fluid injection holes which are led to the first fluid injection channel and a plurality of first fluid injection holes which are led to the second fluid injection channel are formed in one end of the clamping groove, the second fluid injection holes and the first fluid injection holes are arranged in a staggered mode in the width direction of the clamping groove, and an exhaust opening is formed in the other end, in the length direction, of the clamping groove. One side of the transparent plate is clamped in the clamping groove, a cavity groove is formed in the side, opposite to the clamping groove, of the transparent plate, and the cavity groove is formed above the exhaust opening, the second fluid injection holes and the first fluid injection holes in a covering mode. The second clamping plate is arranged on the other side of the transparent plate in a pressing mode, and a window is formed in the second clamping plate. The visual horizontal well oil deposit sand filling physical model and system can represent the flowing feature of fluid in a practical oil deposit or a practical oil well more truly.
Description
technical field [0001] The invention relates to the technical field of reservoir engineering, and in particular provides a physical model and system for visualizing horizontal well reservoir sand filling. Background technique [0002] In the original state, the oil-water or gas-water in massive oil and gas reservoirs with bottom water is distributed according to the relationship of gravity. The displacement experiment is to use oil or water at a certain flow rate under a certain temperature and pressure to replace water or oil by using osmosis. experiment. It is an experiment to measure the porosity of rocks and test oil recovery performance. [0003] Using the physical model of the horizontal well to carry out the physical simulation experiment of the bottom water reservoir recovery can more realistically reproduce the flow characteristics of the fluid in the actual reservoir or oil well than the theoretical method. During the exploitation of bottom water reservoirs, hori...
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IPC IPC(8): E21B43/16E21B43/20
CPCE21B43/16E21B43/20
Inventor 刘昌为李克文孟超陈平云
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)