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Petroleum viscosity reduction conveying device

A conveying device and viscosity reduction technology, which is used in the petroleum industry, processing hydrocarbon oil, pipeline systems, etc., can solve the problems of uneven stirring, poor viscosity reduction effect, and uneven viscosity reduction, and achieve the effect of improving the viscosity reduction effect.

Active Publication Date: 2020-03-31
林日算
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high viscosity of heavy oil is mainly caused by the entanglement of soluble bitumen particles. During the production and gathering of heavy oil, the fluidity of crude oil in the wellbore and surface tubing will become poor. treatment, it is very easy to cause the crystallization of the inner wall of the oil transportation pipeline, resulting in low pipeline transportation efficiency during oil transportation; the oil viscosity reduction device in the prior art mainly performs viscosity reduction treatment through mechanical stirring, but there is uneven stirring and the viscosity reduction effect is poor , the problem of uneven viscosity reduction

Method used

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  • Petroleum viscosity reduction conveying device
  • Petroleum viscosity reduction conveying device
  • Petroleum viscosity reduction conveying device

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0039] Such as Figure 1-14 As shown, the oil viscosity reduction conveying device includes oil inlet pipe 1, viscosity reduction oil transfer cylinder 2, central shaft 3, swirl flow viscosity reduction wheel 4, oil filter plate 5, anti-blocking brush 6, center agitator 7, side agitator 8. Active bevel gear 9, transmission mechanism 10, linkage mechanism 11, split flow viscosity reducing mechanism 12, viscosity reducing agent adding mechanism 13, upper seat plate 14, side bracket 15 and base plate 16, the oil inlet pipe 1 is fixedly connected to the viscosity reducing agent The lower end of the oil delivery tube 2; the central shaft 3 is connected in the viscosity-reducing oil delivery tube 2 in rotation fit, and the upper end of the central shaft 3 is connected in the middle of the top surface of the viscosity-reducing oil delivery tube 2 in a sealed rotation fit; the central shaft 3 From top to bottom, the swirl viscosity reduction wheel 4, the oil filter plate 5, the centra...

specific Embodiment approach 2

[0042] Such as Figure 1-14 As shown, the swirl viscosity reducing wheel 4 includes a swirl sleeve 4-1 and a swirl impeller 4-2; the swirl sleeve 4-1 is fixedly connected to the lower end of the central shaft 3; the The pipe surface of the swirl sleeve 4-1 is surrounded and fixedly connected with a plurality of swirl impellers 4-2 arranged obliquely. The swirl viscosity reducing wheel 4 is used to rotate under the impact of oil, thereby driving the whole of the present invention to work; the multi-block swirl impeller 4-2 can be rotated under the impact of oil, and the multi-block swirl When the flow impeller 4-2 rotates, it can drive the swirl sleeve 4-1 to rotate around its own axis, and when the swirl sleeve 4-1 rotates, it can drive the central shaft 3 to rotate around its own axis; Setting can effectively save electric energy, and can also be used when the present invention is driven by a servo motor to work, and part of the electric power can still be reduced.

specific Embodiment approach 3

[0044] Such as Figure 1-14 As shown, the central agitator 7 includes a hexagonal rotating tube 7-1, a main stirring plate 7-2, a vertical shaft 7-3, a self-rotating stirring plate 7-4, a bracket 7-5 and an outer ring gear 7-6; The inner side of the hexagonal rotating tube 7-1 is fixedly connected to the upper end of the central axis 3, and the outer wall of the hexagonal rotating tube 7-1 is uniformly surrounded and fixedly connected to six main stirring plates 7-2; the main stirring plate 7- The middle end of 2 is provided with an oil passage groove; the upper and lower ends of the vertical shaft 7-3 are respectively rotated and matched with the upper and lower ends inside the oil passage groove; Stirring plate 7-4, the rotating and rotating stirring plate 7-4 is connected in the oil passage; the tops of the six main stirring plates 7-2 are respectively fixedly connected to a bracket, and the upper ends of the six brackets 7-5 are fixedly connected to the outer ring gear 7 ...

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Abstract

The invention relates to the field of petroleum exploitation, in particular to a petroleum viscosity-reduction conveying device which comprises an oil inlet pipe, a viscosity-reduction oil conveying cylinder, a center shaft, a rotational flow viscosity-reduction wheel, an oil filter plate, an anti-blocking brush, a center stirrer, a side stirrer, a driving bevel gear, a transmission mechanism, a linkage mechanism, a distributing viscosity-reduction mechanism, a viscosity reducer adding mechanism, an upper seat plate, a side stand and a base plate. The oil inlet pipe is fixedly connected to thelower end of the viscosity-reduction oil conveying cylinder; the center shaft is connected into the viscosity-reduction oil conveying cylinder in a running fit way; and the upper end of the center shaft is connected to the middle of the top surface of the viscosity-reduction oil conveying cylinder in a sealed running fit way. The petroleum viscosity-reduction conveying device provided by the invention reasonably combines multiple modes such as mechanical stirring viscosity-reduction, viscosity reducer viscosity-reduction, ultrasonic viscosity-reduction and heating viscosity-reduction, so thata viscosity-reduction effect can be effectively improved.

Description

technical field [0001] The invention relates to the field of oil exploitation, in particular to an oil viscosity-reducing conveying device. Background technique [0002] Heavy oil refers to degassed crude oil with a viscosity greater than 100mPa·s at the reservoir temperature, but the viscosity of heavy oil on site is usually above 100mPa·s. Heavy oil has outstanding characteristics such as high viscosity, high density, and poor fluidity. The high viscosity of heavy oil is mainly caused by the entanglement of soluble bitumen particles. During the production and gathering of heavy oil, the fluidity of crude oil in the wellbore and surface tubing will become poor. treatment, it is easy to cause crystallization of the inner wall of the oil transportation pipeline, resulting in low pipeline transportation efficiency during oil transportation; the oil viscosity reduction device in the prior art mainly performs viscosity reduction treatment through mechanical stirring, but there ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17D1/16C10G53/02
CPCC10G53/02C10G2300/302F17D1/16
Inventor 毛雨彤赵清
Owner 林日算