Device capable of evaluating dynamic sand-carrying capacity of foam fracturing fluid and working method of device
A foam fracturing fluid and evaluation device technology, applied in the direction of measuring devices, flow characteristics, instruments, etc., can solve the problems of high cost, difficulty in popularization, and bulky volume, and achieve strong pressure resistance, easy popularization, and high reliability Effect
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[0046] Example 1,
[0047] A foam fracturing fluid dynamic sand-carrying capacity evaluation device, including a gas production part, a fracturing fluid storage part, a foam generator 8, a proppant storage tank 6 and a simulated fracture all connected to the gas production part and the fracturing fluid storage part Board 3
[0048] The gas producing part includes a gas cylinder 13, a gas flow meter 12 and a one-way valve 11 connected in sequence along the gas diffusion direction;
[0049] The fracturing fluid storage part includes a device that can control the outflow flow of fracturing fluid;
[0050] The gas produced by the gas producing part and the liquid produced by the fracturing fluid storage part are operated by the bubble generator to generate fracturing fluid foam, and the fracturing fluid foam flows into the top of the proppant storage tank 6;
[0051] A simulated crack plate 3 is provided at the bottom of the proppant storage tank 6, and a back pressure valve 5 is provided ...
Example Embodiment
[0058] Example 2,
[0059] A foam fracturing fluid dynamic sand-carrying capacity evaluation device as described in embodiment 1, the difference is that the foam generator 8 and the proppant storage tank 6 are connected by a connecting pipeline, and the connecting pipeline has an inner diameter of 3-6 mm Of stainless steel pipelines.
Example Embodiment
[0060] Example 3.
[0061] A foam fracturing fluid dynamic sand-carrying capacity evaluation device as described in Example 1, with the difference that the thickness of the crack formed by the simulated crack plate is 1-3 mm. The proppant is proppant particles with a particle size of 0.1 mm to 0.9 mm.
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