Device and method for continuous mixing of solid drag reducer
AssigneePetroChina Company Limited
InventorsPengfei Chen, Honggang Chang, Gang Xiong, Youquan Liu, Yadong Zhang, Chengmei Zhou, Jia Liao
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Abstract
The present disclosure relates to a device and method for continuous mixing of a solid drag reducer. The device for continuous mixing of a solid drag reducer comprises a raw material storage device (1), a pneumatic raw material delivery device (2), a power device (3), a flow testing device (4) and a dissolving device (5). The method for continuous mixing of a solid drag reducer uses the device for continuous mixing of a solid drag reducer, which can realize continuous mixing of the solid drag reducer during large-scale volume fracturing.
Claims19
A device for continuous mixing of a solid drag reducer, comprising a raw material storage device, a pneumatic raw material delivery device, a power device, a flow testing device, a dissolving device, and a water supply device;
- wherein the raw material storage device is connected to the pneumatic raw material delivery device, for supplying a solid drag reducer to the pneumatic raw material delivery device;
- the pneumatic raw material delivery device is connected respectively to the raw material storage device, the power device, and the flow testing device, for delivering the solid drag reducer in the raw material storage device to the dissolving device with compressed air as a power source;
- the dissolving device is connected to the flow testing device, for dissolving the solid drag reducer;
- the dissolving device is a gear pump, a plunger pump, a plunger pump or an emulsification pump;
- the water supply device is connected to the dissolving device, and is used to provide the dissolving device with water for dissolving the solid drag reducer;
- the power device is connected to the pneumatic raw material delivery device, for supplying compressed air as a power source to the pneumatic raw material delivery device;
- the flow testing device is disposed between the pneumatic raw material delivery device and the dissolving device, for measuring the flow rate of the solid drag reducer delivered from the pneumatic raw material delivery device to the dissolving device and adjusting the delivery rate of raw material from the pneumatic raw material delivery device according to the flow rate;
- wherein the pneumatic raw material delivery device is connected to the raw material storage device via a first pipeline;
- the pneumatic raw material delivery device is connected to the power device via a second pipeline;
- the pneumatic raw material delivery device is connected to the flow testing device via a third pipeline;
- the dissolving device is connected to the flow testing device via a fourth pipeline;
- the dissolving device is connected to the water supply device via a sixth pipeline;
- and
- wherein the first pipeline has a pipe length of 0.2 m to 0.5 m, and a pipe diameter of 4 mm to 8 mm;
- the second pipeline has a pipe length of 1 m to 3 m, and a pipe diameter of 1 mm to 5 mm;
- the third pipeline has a pipe length of 1 m to 2 m, and a pipe diameter of 8 mm to 15 mm;
- the fourth pipeline has a pipe length of 2 m to 3 m, and a pipe diameter of 8 mm to 15 mm;
- the sixth pipeline has a pipe length of 1 m to 10 m and a pipe diameter of 10 mm to 20 mm.
Dependencies are inferred from the claim text.