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A device for accurately transporting fibers and its transport method

A fiber and precise technology, applied in the field of oil exploration, can solve the problem that the fiber adding method cannot meet the needs of precise fiber adding, etc., and achieve the effects of convenient operation, adjustable speed and accurate measurement.

Active Publication Date: 2017-10-17
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the problem that the way of adding fiber cannot meet the requirement of precise fiber addition in the current oil extraction and fracturing process

Method used

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  • A device for accurately transporting fibers and its transport method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This embodiment provides a device for accurately transporting fibers, such as figure 1 As shown, it includes a weighing box 1, a weighing hopper 2 and a discharge box 3. The weighing box 1 is provided with a feed port 4. The mouth 5 is connected, the inside of the weighing box 1 is provided with a weighing box feeding shaft 6, and the metering hopper 5 is provided with a metering hopper fiber breaking shaft 7 and a metering hopper feeding shaft 8, and the metering hopper feeding shaft 8 is located at the metering Below the bucket fiber breaking shaft 7, the bottom of the metering bucket 2 communicates with the discharge box 3 through the hose 9, and the discharge box 3 is connected to the fan 10 and is provided with a discharge port 11 on the discharge box 3; The heavy box 1 is connected with a load cell 12 , and the load cell 12 is electrically connected with a main control terminal 13 .

[0024] The weighing box 1 and the weighing bucket 2 are connected together in t...

Embodiment 2

[0027] In the above-mentioned embodiment 1, in order to obtain the real-time rate of fiber transmission, the weighing of the load cell 12 is a key step. The realization of this step will be described in detail in this embodiment. Both the bucket 2 and the discharge box 3 are placed in the casing 14 , and the load cell 12 is fixed on the inner wall of the casing 14 and kept connected with the weighing box 1 .

[0028] The structure of this embodiment makes the placement of the weighing box 1 and the weighing bucket 2 in the housing 14 require the assistance of the load cell 12. The load cell 12 not only plays the role of weighing, but also plays the role of a connecting piece. , the weighing box 1 and the weighing bucket 2 are suspended in the housing 14 through the load cell 12, and the load cell 12 monitors the weight of the weighing box 1 and the weighing bucket 2 in real time, including the initial mass, the mass after adding fibers, and the fiber transmission process. real...

Embodiment 3

[0031] On the basis of the above two embodiments, this embodiment will be further described. In this embodiment, the weighing box feed shaft 6 and the metering hopper feed shaft 8 are both external rotating shafts with a helical winch, and the metering hopper fiber Breaking up shaft 7 is the rotating shaft that is irregularly distributed with thorns, and described weighing box feed shaft 6, metering hopper fiber breaking up shaft 7 and metering hopper feeding shaft 8 are all connected with rotating motors.

[0032] The main control terminal 13 is a computer or a CPU controller, and the main control terminal 13 is connected with each rotating motor connected with the weighing box feeding shaft 6, the fiber breaking shaft 7 of the metering hopper and the feeding shaft 8 of the metering hopper.

[0033] In this embodiment, on the basis of Embodiment 1 and Embodiment 2, the structural effect of this embodiment is better and more significant. The structure of this embodiment can rea...

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Abstract

The invention belongs to the technical field of petroleum exploitation, and in particular relates to a device for accurately conveying fibers and a conveying method thereof. The device for accurately conveying fibers realizes precise addition of fibers through real-time weighing and automatic adjustment technologies. This real-time measuring and weighing device will measure all the weights above the air-feeding fiber device, so that the fiber quality leaving the instrument can be accurately calculated; initially, the speed of the reel wheel is used for fiber addition, when the calculated fiber addition speed does not match the actual design speed, The automatic adjustment technology is used to adjust the speed of the reel wheel to achieve the designed fiber addition speed, which overcomes the problem that the fiber addition method cannot meet the needs of precise fiber addition in the current oil fracturing process. The speed is adjustable, the operation is convenient, and the measurement is accurate.

Description

technical field [0001] The invention belongs to the technical field of petroleum exploitation, and in particular relates to a device for precisely conveying fibers and a conveying method thereof, which can be applied to oil and gas wells for precisely conveying fibers. Background technique [0002] In the process of oil extraction, with the development of fracturing technology, adding fibers in the fracturing process is beneficial to optimize the placement of proppant in the fracture, improve the conductivity of the fracture, reduce the viscosity of the fracturing fluid, and cooperate with the rapid flowback of the liquid. Reduce filtration damage, prevent backflow of proppant, and realize low-damage fracturing reconstruction. Therefore, technologies such as fiber sand control fracturing, fiber sand carrying fracturing and fiber steering fracturing have been formed. [0003] Different fiber fracturing technologies will have different ways and amounts of fibers added, and the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G43/08
Inventor 陈飞池晓明邓继学刘欢袁军陶长州袁伟文袁海平陈超周荣萍
Owner BC P INC CHINA NAT PETROLEUM CORP
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