CN210003254U

CN210003254U - Strong magnetic wax-proof viscosity-reducing device

Info

Publication number: CN210003254U
Application number: CN201920625381.0U
Authority: CN
Inventors: 刘志波; 孙建飞
Original assignee: Dongying Huachen Petroleum Equipment Co Ltd
Current assignee: Dongying Huachen Petroleum Equipment Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-01-31
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a strong magnetic wax-proof viscosity reducer, which comprises an outer tube, a strong magnet, a central tube and a baffle ring; the two ends of the outer pipe are respectively connected with an upper joint and a lower joint; the strong magnet is embedded in the center of the inner part of the outer pipe, and two ends of the strong magnet are clamped and embedded between the upper joint and the lower joint through the retaining ring; the inner ends of the baffle rings are provided with annular grooves; the central pipe clamp is embedded in the annular grooves of the baffle rings at the two ends. Compared with the prior art, the beneficial effects of the utility model are that: simple structure, convenient processing and use, good stability and prolonged hot washing period of the oil pumping well.

Description

Strong magnetic wax-proof viscosity-reducing device

Technical Field

The utility model relates to an oil recovery equipment field, concretely relates to strong magnetism paraffin control viscosity reduction ware.

Background

The crude oil produced by oil well can separate out wax crystal at deg.C, and is adhered to the inner wall of oil pipe, so that the inner diameter of oil pipe is reduced, flow resistance is increased, and the yield of oil well is reduced.

In order to find new wax-proof technologies with low labor intensity, low energy consumption, no pollution and low cost and capable of meeting the requirements of normal production, various magnetic wax-proof devices such as a strong magnetic wax-proof device, a rare earth permanent magnetic wax-proof device, a high-performance rare earth strong magnetic wax-proof device, a strong magnetic wax-proof viscosity reducer and the like are developed and developed in recent years.

The strong-magnetic wax-proof viscosity reducer is a novel underground product of kinds of wax-proof viscosity reducers, improves the pump efficiency and the single-well yield, has the advantages of application range of , good wax-proof viscosity reduction effect, convenience in construction and the like, and effectively prolongs the hot washing and pump correcting period of an oil-water well.

However, due to the structure and the prior art, the anti-wax performance and the anti-wax effect of the magnetic anti-wax devices can not meet the requirements of oil well anti-wax and normal production, and the wax deposition problem still restricts the normal production of the oil well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that prior art exists, provide kinds of strong magnetism wax control viscosity reducers, overcome and have the shortcoming among the prior art, make its simple structure, convenient to process and use, and the good extension rod-pumped well hot washing cycle of stability.

In order to realize the purpose, the utility model adopts the technical scheme that: the strong magnetic paraffin control viscosity reducer comprises an outer pipe, a strong magnet, a central pipe and a baffle ring; the two ends of the outer pipe are respectively connected with an upper joint and a lower joint; the strong magnet is embedded in the center of the inner part of the outer pipe, and two ends of the strong magnet are clamped and embedded between the upper joint and the lower joint through the retaining ring; the inner ends of the baffle rings are provided with annular grooves; the central pipe clamp is embedded in the annular grooves of the baffle rings at the two ends.

Preferably, fixing blocks are arranged at the ends of the upper joint and the lower joint, which are connected with the outer pipe, and sliding grooves are arranged at the two ends of the outer pipe, are L-shaped and are matched with the fixing blocks.

As optimization, the fixed blocks are arranged on the upper joint and the lower joint in an encircling and equidistant mode, and the number of the fixed blocks is 4.

As optimization, the joints of the upper joint and the outer pipe, the joints of the lower joint and the outer pipe, the joints of the upper joint and the baffle ring, and the joints of the lower joint and the baffle ring are all provided with elastic sealing rings.

As optimization, a convex groove is arranged between the two baffle rings in the axial direction of the outer surface of the central tube; the strong magnet is clamped with the convex groove on the outer surface of the central tube.

Preferably, a sealing ring is arranged at the joint of the central pipe and the annular groove of the baffle ring.

Preferably, the central tube is made of stainless steel material.

Preferably, the baffle ring is made of aluminum material.

Compared with the prior art, the beneficial effects of the utility model are that: the traditional threaded connection mode is changed, the connection and fixation are carried out in a sliding groove rotating and clamping manner, meanwhile, the sealing performance is good, and the working time for processing the sealing groove is saved; meanwhile, the strong magnet is isolated from the crude oil through the central tube, so that the corrosion of the crude oil to the strong magnet is avoided, and the strong magnet is positioned through the convex groove to prevent deviation; and finally, the material selection and the structural design are optimized, and the stability of the magnetic field provided by the strong magnet is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the central tube of the present invention.

Wherein, top connection 1, elastic sealing ring 2, outer tube 3, strong magnetism 4, center tube 5, keep off ring 6, lower clutch 7, fixed block 8, spout 9.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, the following detailed description is provided in conjunction with the accompanying drawings:

the strong magnetic paraffin control viscosity reducer comprises an outer pipe 3, a strong magnet 4, a central pipe 5 and a baffle ring 6; the two ends of the outer pipe 3 are respectively connected with an upper joint 1 and a lower joint 7; the strong magnet 4 is embedded in the center of the inner part of the outer pipe 3, and two ends of the strong magnet are clamped and embedded between the upper joint 1 and the lower joint 7 through the baffle ring 6; the inner ends of the baffle rings 6 are provided with annular grooves; the central tube 5 is embedded in the annular grooves of the baffle rings 6 at the two ends.

The ends of the upper joint 1 and the lower joint 7, which are connected with the outer pipe 3, are respectively provided with a fixed block 8, the two ends of the outer pipe 3 are provided with a sliding groove 9, the sliding grooves 9 are L-shaped and are matched with the

fixed blocks

8, 4 fixed blocks 8 are arranged on the upper joint 1 and the lower joint 7 in an encircling and equidistant mode, the function of rotary fixation is realized through the L-shaped sliding grooves and the fixed blocks, and the traditional threaded connection mode is replaced.

The joint of the upper joint 1 and the outer pipe 3, the joint of the lower joint 7 and the outer pipe 3, the joint of the upper joint 1 and the retaining ring 6, and the joint of the lower joint 7 and the retaining ring 6 are all provided with elastic sealing rings 2. Need not to process the seal groove and through increasing elastic sealing ring, can extrude elastic sealing ring with this assurance sealed effect when rotatory fixed each part.

A convex groove is arranged between the two baffle rings 6 in the axial direction of the outer surface of the central tube 5; the strong magnet 4 is clamped with a convex groove on the outer surface of the central tube 5.

And a sealing ring is arranged at the joint of the central pipe 5 and the annular groove of the baffle ring 6.

The central tube 5 is made of stainless steel material. The baffle ring 6 is made of aluminum material. The preferred stainless steel material and aluminum material reduce the overall weight of the device due to their low density while ensuring that they are not magnetized.

The specific implementation mode and principle are as follows:

elastic sealing ring 2 is firstly sleeved on the convex table surface of an upper joint 1, and then the upper joint is matched with a sliding groove 9 through a fixing block 8, so that the rotary fixation with the end of an outer pipe 3 is realized, then a left elastic sealing ring 2, a left retaining ring 6, a central pipe 5 and a strong magnet 4 (the strong magnet 4 is formed by a plurality of permanent magnets which are alternately arranged in a special combination mode are sequentially placed in the outer pipe 3, so that a spiral alternating strong magnetic field is formed and fixed on the outer surface of the central pipe 5 through convex groove clamping and embedding, the strong magnet is prevented from being deviated), a right retaining ring 6 and a right elastic sealing ring 2 are tightly fastened, each part is tightly pressed, then the elastic sealing ring 2 is sleeved on the convex table surface of a lower joint 7, and the fixing block 8 is matched with the sliding groove 9, so that the rotary fixation with another end of the outer pipe 3 is realized, the sealing effect is realized by.

The device is installed below a fixed valve assembly of an oil well pump of an oil pumping unit without external power supply and power, and when a mixture of various hydrocarbons with complex crude oil components and diamagnetic substances pass through the device in the oil extraction process of the oil pumping unit, wax molecules in disordered thermal motion near the crystallization temperature obtain energy due to the action of Lorentz force, adjust the magnetic collision directions of the wax molecules and provide a common crystallization nucleation condition, so that a large amount of spherical microcrystals (1/10000 with the diameter of common wax crystals) with small diameters are suspended in the crude oil. Thus, the possibility of precipitation of flaky hard wax on the pipe wall and the sucker rod and the formation of a reticular complex of flaky paraffin in the crude oil are greatly weakened, and the flow resistance of the crude oil is reduced, so that the purposes of reducing the viscosity of the crude oil, increasing the flow capacity, preventing wax precipitation, improving the pump efficiency and increasing the oil well yield are achieved.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the product form and style of the above embodiments, and any suitable changes or modifications made by the person of ordinary skill in the art and the strong magnetic anti-wax viscosity reducer according to the claims of the present invention shall fall into the protection scope of the present invention.

Claims

1. Strong magnetism paraffin control viscosity reduction ware, its characterized in that: comprises an outer tube (3), a strong magnet (4), a central tube (5) and a baffle ring (6); two ends of the outer pipe (3) are respectively connected with an upper joint (1) and a lower joint (7); the strong magnet (4) is embedded in the center of the inner part of the outer pipe (3), and two ends of the strong magnet are clamped and embedded between the upper joint (1) and the lower joint (7) through the baffle ring (6); the inner ends of the baffle rings (6) are provided with annular grooves; the central tube (5) is embedded in the annular grooves of the baffle rings (6) at the two ends.

2. The strong-magnetic paraffin-control viscosity reducer according to claim 1, wherein fixing blocks (8) are arranged at ends of the upper joint (1) and the lower joint (7) connected with the outer pipe (3), sliding grooves (9) are arranged at two ends of the outer pipe (3), and the sliding grooves (9) are L-shaped and matched with the fixing blocks (8).

3. The strong magnetic paraffin-control viscosity reducer according to claim 2, wherein: and 4 fixing blocks (8) are arranged on the upper joint (1) and the lower joint (7) in an encircling and equidistant manner.

4. The strong magnetic paraffin-control viscosity reducer according to claim 1, wherein: the joint of the upper joint (1) and the outer pipe (3), the joint of the lower joint (7) and the outer pipe (3), the joint of the upper joint (1) and the baffle ring (6) and the joint of the lower joint (7) and the baffle ring (6) are both provided with elastic sealing rings (2).

5. The strong magnetic paraffin-control viscosity reducer according to claim 1, wherein: a convex groove is arranged between the two baffle rings (6) in the axial direction of the outer surface of the central tube (5); the strong magnet (4) is clamped with the convex groove on the outer surface of the central tube (5).

6. The strong magnetic paraffin-control viscosity reducer according to claim 1, wherein: and a sealing ring is arranged at the joint of the central pipe (5) and the annular groove of the baffle ring (6).

7. The strong magnetic paraffin-control viscosity reducer according to claim 1, wherein: the central tube (5) is made of stainless steel material.

8. The strong magnetic paraffin-control viscosity reducer according to claim 1, wherein: the baffle ring (6) is made of aluminum material.