An experimental device and experimental method for simulating deflagration and fracturing of horizontal wells
An experimental device and horizontal well technology, which is applied in the direction of testing the strength of materials with one-time impact force, can solve the problems of research lag, restricted application, and inability to pressurize core holes, etc., and achieve obvious effects, precise experimental control operations, and good experimental results Effect
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Embodiment 1
[0044] Such as Figure 1 to Figure 3 As shown, the present embodiment provides an experimental device for simulating horizontal well deflagration fracturing. The experimental device mainly includes three parts: a rock sample clamping device, a pendulum impact device and a control and analysis device; the rock sample clamping device is used to place For rock cores with different characteristics, the pendulum impact device is used to provide external force loading to the rock sample holding device to make the cores in different simulation environments, and the control analysis device is used to analyze various data of the rock cores in different simulation environments.
[0045] Wherein, the rock sample clamping device comprises a cylindrical cylinder body (1-15), and the cylinder body is placed horizontally, and the bottom of the cylinder bottom is provided with two supporting seats (1-11) for supporting the cylinder body, and the The end is provided with a left core plug and a...
Embodiment 2
[0051] An experimental device for simulating horizontal well deflagration fracturing, the structure is as described in Example 1, the difference is that the rubber sleeve (1-17) also passes through four inner support seats (1-16) distributed at equal intervals It is fixed in the inner cavity of the cylinder body (1-15). The inner support seat is mainly used as a reinforcement to provide greater support for the rubber sleeve and prevent the rubber sleeve from being crushed by the heavy experimental core.
Embodiment 3
[0053] An experimental device for simulating horizontal well deflagration fracturing, the structure is as described in embodiment 1, the difference is that two fixed steel cables (2-4) are respectively arranged at the two ends of the roller bearing (2-10), The two fixed steel cables (2-4) at the same end of the roller bearing are symmetrically arranged on both sides of the roller bearing (2-10), and one end of the two fixed steel cables (2-4) is connected to the roller bearing (2-10) The inner steel column and the other end are connected to the bottom base (2-2), and the two fixed steel cables (2-4) and the bottom base (2-2) form an isosceles triangle. The fixed steel cable can increase the support reliability of the roller bearing and ensure the stability when the pendulum rotates and impacts the movable plunger.
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