CN212317945U - Wax-proof, scale-proof and corrosion-proof device - Google Patents

Wax-proof, scale-proof and corrosion-proof device Download PDF

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Publication number
CN212317945U
CN212317945U CN202020909752.0U CN202020909752U CN212317945U CN 212317945 U CN212317945 U CN 212317945U CN 202020909752 U CN202020909752 U CN 202020909752U CN 212317945 U CN212317945 U CN 212317945U
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China
Prior art keywords
wax
proof
pipeline
pipeline body
hole
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CN202020909752.0U
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Inventor
刘金森
修正武
柳桂永
雷博
杨威
王开
唐小燕
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Xi'an Shanchuan Petroleum Technology Co ltd
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Xi'an Shanchuan Petroleum Technology Co ltd
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Abstract

The embodiment of the utility model discloses wax control scale control corrosion prevention device, this wax control scale control corrosion prevention device includes: the pipeline body, set up in the limit structure of pipeline body one end, set up in the block structure of the pipeline body other end, set up this internal at least one reducing structure of pipeline and set up this internal connecting rod of pipeline. Wherein, at least one reducing structure parallel arrangement each other, every reducing structure and the clearance fit of pipeline body, this connecting rod runs through limit structure, this reducing structure and this block structure setting. The utility model discloses can be applied to the crude oil exploitation in-process and prevent wax deposit scale deposit in the pit and prevent that oil pipe from corroding.

Description

Wax-proof, scale-proof and corrosion-proof device
Technical Field
The utility model relates to a crude oil exploitation technical field specifically indicates a wax control scale control anticorrosion device.
Background
At present, in the process of crude oil exploitation, substances such as paraffin, colloid and asphaltene in crude oil can be condensed in an oil well pump and a wax-proof, anti-scaling and anti-corrosion device along with the change of formation pressure and temperature, so that the efficiency of crude oil exploitation is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a wax control scale control anticorrosion device, the lower problem of efficiency that can the crude oil exploitation.
The utility model discloses the first aspect of embodiment provides a wax control scale control corrosion prevention device, and this wax control scale control corrosion prevention device includes: the pipeline body, set up in the limit structure of the one end of pipeline body, set up in the block structure of the pipeline body other end, set up in this internal at least one reducing structure of pipeline and set up in this internal connecting rod of pipeline. Wherein, at least one reducing structure parallel arrangement each other, every reducing structure and the clearance fit of pipeline body, this connecting rod runs through limit structure, this reducing structure and this block structure setting.
In the embodiment of the utility model provides an in, wax control scale control anticorrosion device includes: the pipeline body, set up in the limit structure of the one end of pipeline body, set up in the block structure of the pipeline body other end, set up in this internal at least one reducing structure of pipeline and set up in this internal connecting rod of pipeline. Wherein, at least one reducing structure parallel arrangement each other, every reducing structure and the clearance fit of pipeline body, this connecting rod runs through limit structure, this reducing structure and this block structure setting. Because be provided with at least one reducing structure in the direction of crude oil flow to make crude oil can pass through from every reducing structure in this at least one reducing structure, and the trompil aperture of every reducing structure is less than the pipe diameter of pipeline body, consequently under the unchangeable circumstances is preserved to crude oil flow, the flow velocity through this internal crude oil of pipeline can increase, in order to form the efflux, so can reduce the coagulation conditions of substances such as paraffin, colloid and asphaltene in the crude oil, with the efficiency that promotes crude oil exploitation.
Drawings
FIG. 1 is one of the schematic structural diagrams of a wax-proof, anti-scaling and anti-corrosion device of the present invention;
FIG. 2 is a schematic structural diagram of a reducing structure of the wax-proof, anti-scaling and anti-corrosion device of the present invention;
FIG. 3 is a schematic structural diagram of a limiting structure of the wax-proof, anti-scaling and anti-corrosion device of the present invention;
FIG. 4 is a schematic structural diagram of a plugging structure of the wax-proof, anti-scaling and anti-corrosion device of the present invention;
fig. 5 is a schematic structural diagram of a strong magnetic structure of the wax-proof, anti-scaling and anti-corrosion device of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terms "first" and "second" and the like in the description and claims of the embodiments of the present invention are used for distinguishing different objects, not for describing a specific order of the objects.
In the description of the embodiments of the present invention, "a plurality" means two or more unless otherwise specified. For example, a plurality of elements refers to two elements or more.
The term "and/or" herein is an association relationship describing an associated object, and means that there may be three relationships, for example, a display panel and/or a backlight, which may mean: there are three cases of a display panel alone, a display panel and a backlight at the same time, and a backlight alone. The symbol "/" herein denotes a relationship in which the associated object is or, for example, input/output denotes input or output.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," in an embodiment of the present invention should not be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
The embodiment of the utility model provides a wax control scale control corrosion prevention device, this wax control scale control corrosion prevention device includes: the pipeline body, set up in the limit structure of the one end of pipeline body, set up in the block structure of the pipeline body other end, set up in this internal at least one reducing structure of pipeline and set up in this internal connecting rod of pipeline. Wherein, at least one reducing structure parallel arrangement each other, every reducing structure and the clearance fit of pipeline body, this connecting rod runs through limit structure, this reducing structure and this block structure setting. Because be provided with at least one reducing structure in the direction of crude oil flow to make crude oil can pass through from every reducing structure in this at least one reducing structure, and the trompil aperture of every reducing structure is less than the pipe diameter of pipeline body, consequently under the unchangeable circumstances is preserved to crude oil flow, the flow velocity through this internal crude oil of pipeline can increase, in order to form the efflux, so can reduce the coagulation conditions of substances such as paraffin, colloid and asphaltene in the crude oil, with the efficiency that promotes crude oil exploitation.
The embodiment of the utility model provides a wax control scale control corrosion prevention device can be applied to the crude oil exploitation in-process and prevents wax precipitation scale deposit in the pit and prevent that oil pipe corrodes.
The following describes in detail a wax-proof, anti-scaling and anti-corrosion device provided by an embodiment of the present invention with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a wax-proof, anti-scaling and anti-corrosion device provided by an embodiment of the utility model. As shown in fig. 1, the wax-proof, anti-scaling and anti-corrosion device of the embodiment of the present invention comprises: pipeline body 6, set up in limit structure 1 of the one end of pipeline body 6, set up in the block structure 8 of the other end of pipeline body 6, set up at least one reducing structure 4 in pipeline body 6 and set up this internal connecting rod 2 of pipeline.
The embodiment of the utility model provides an in, above-mentioned at least one reducing structure 4 parallel arrangement each other, every reducing structure 4 and pipeline body 6's clearance fit, above-mentioned connecting rod 2 runs through limit structure 1, at least one reducing structure 4 and block structure 8 setting.
It can be understood that at least one reducing structure 4 that sets up in pipeline body 6 is perpendicular to crude oil flow direction setting to make crude oil can pass by this at least one reducing structure 4, because the aperture of this at least one reducing structure 4 is less than the pipe diameter of pipeline body 6, consequently under the unchangeable condition of crude oil flow, the velocity of flow of crude oil increases, so can reduce debris (for example paraffin, colloid) and condense in this pipeline body 6, with the time of reducing staff's clearance pipeline body 6, so can promote the efficiency of crude oil exploitation.
Optionally, in the embodiment of the present invention, the limiting structure 1 may be a limiting block cover; the blocking structure 8 can be a limiting blocking cover.
It can be understood that the above-mentioned limit structure 1 and the blocking structure 8 can be fixed the connecting rod 2 in the pipeline body 6, so that the pipeline body 6 can run through the at least one reducing structure 4, so that the at least one reducing structure 4 can be installed in clearance fit with the pipeline body 6 (i.e. the at least one reducing structure 4 is not connected with the inner wall of the pipeline body 6).
Optionally, in the embodiment of the present invention, at least one first through hole 41 is provided on the at least one reducing structure 4, the first opening of the at least one first through hole 41 is disposed opposite to the limiting structure 1, and the second opening of the at least one first through hole 41 is disposed opposite to the blocking structure 8.
Optionally, in the embodiment of the present invention, referring to fig. 1, as shown in fig. 2, the first opening may be an opening on one side close to the limiting structure 1; the second opening may be an opening on a side proximate the blocking structure 8.
It should be noted that the above-mentioned "the first opening is disposed opposite to the limiting structure 1" may be understood as follows: the plane of the first opening is parallel to the plane of the limiting structure 1. The above-mentioned "second opening is arranged opposite to the blocking structure 8" can be understood as: the plane of the second opening is parallel to the plane of the blocking structure 8.
Optionally, in the embodiment of the present invention, with reference to fig. 2, for each diameter-changing structure 4 in at least one diameter-changing structure 4, at least one first through hole 41 is uniformly distributed around a central area of one diameter-changing structure 4.
Optionally, in the embodiment of the present invention, the shape of each first through hole 41 may be any one of the following: circular, rectangular, trapezoidal, and irregular.
Optionally, in the embodiment of the present invention, the aperture of each first through hole 41 may be the same, or the apertures of some first through holes 41 may be the same.
Optionally, in the embodiment of the utility model provides an under equal crude oil flow, diminish the aperture of first through-hole 41, quantity increases to arrange along the circumference, when crude oil passes through, because this aperture diminishes, under the effect of pressure, the velocity of flow can improve in the twinkling of an eye, thereby form the efflux, simultaneously with the crude oil in pipeline body 6 shunt in the twinkling of an eye into with a plurality of shunts that 41 quantity of first through-hole equals, with the situation of condensing of reduction debris in pipeline body 6.
Optionally, in an embodiment of the present invention, each diameter-changing structure 4 is made of a copper-based catalyst alloy material.
The embodiment of the utility model provides an in, can be through setting up at least one first through-hole on every reducing structure to under the effect of pressure, the velocity of flow can improve in the twinkling of an eye, thereby form the efflux, simultaneously with the crude oil in pipeline body 6 shunt in the twinkling of an eye become with a plurality of shunts that first through-hole quantity equals, with the situation of condensing of reduction debris in pipeline body.
Optionally, in the embodiment of the present invention, referring to fig. 1, as shown in fig. 3, at least one second through hole 31 is provided on the limiting structure 1, and each second through hole 31 is disposed opposite to one first through hole 41.
It should be noted that the above "each second through hole 31 is respectively disposed opposite to one first through hole 41" may be understood as: for each second through hole 31 of the at least one second through hole 31, a line connecting the center of one second through hole 31 and one first through hole 41 is parallel to the horizontal plane.
Optionally, in the embodiment of the present invention, the shape of each second through hole 31 may be any one of the following: circular, rectangular, trapezoidal, and irregular.
Optionally, in the embodiment of the present invention, the aperture of each second through hole 31 may be the same, or the apertures of some second through holes 31 may be the same.
Optionally, in the embodiment of the present invention, the limiting structure 1 may be made of 304 stainless steel.
It can be understood that the limiting structure 1 made of 304 stainless steel materials is strong in corrosion prevention effect and long in service life.
Optionally, in the embodiment of the present invention, with reference to fig. 1, as shown in fig. 4, at least one third through hole 81 is provided on the blocking structure 8, and each third through hole 81 is disposed opposite to one first through hole 41.
It should be noted that the above "each third through hole 81 is respectively disposed opposite to one first through hole 41" can be understood as follows: for each third through hole 81 of the at least one third through hole 81, a line connecting the center of one third through hole 81 and one first through hole 41 is parallel to the horizontal plane.
Optionally, in the embodiment of the present invention, the shape of each third through hole 81 may be any one of the following: circular, rectangular, trapezoidal, and irregular.
Optionally, in the embodiment of the present invention, the aperture of each third through hole 81 may be the same, or the apertures of some second through holes 81 may be the same.
Optionally, in an embodiment of the present invention, the blocking structure 8 may be made of 304 stainless steel.
It can be understood that the plugging structure 8 made of 304 stainless steel has strong corrosion prevention effect and long service life.
The embodiment of the utility model provides a wax control scale control corrosion prevention device, this wax control scale control corrosion prevention device includes: the pipeline body, set up in the limit structure of the one end of pipeline body, set up in the block structure of the pipeline body other end, set up in this internal at least one reducing structure of pipeline and set up in this internal connecting rod of pipeline. Wherein, at least one reducing structure parallel arrangement each other, every reducing structure and the clearance fit of pipeline body, this connecting rod runs through limit structure, this reducing structure and this block structure setting. Because be provided with at least one reducing structure in the direction of crude oil flow to make crude oil can pass through from every reducing structure in this at least one reducing structure, and the trompil aperture of every reducing structure is less than the pipe diameter of pipeline body, consequently under the unchangeable circumstances is preserved to crude oil flow, the flow velocity through this internal crude oil of pipeline can increase, in order to form the efflux, so can reduce the coagulation conditions of substances such as paraffin, colloid and asphaltene in the crude oil, with the efficiency that promotes crude oil exploitation.
Optionally, in an embodiment of the present invention, with reference to fig. 1, the wax-proof, anti-scaling and anti-corrosion apparatus further includes: an inner anode 3 and an outer anode 7; the anode 3 in the pipeline is connected with the inner wall of the pipeline body 6; the outer anode 7 of the pipeline is sleeved outside the pipeline body 6.
Optionally, in the embodiment of the present invention, the anode 3 inside the pipeline and the anode 7 outside the pipeline are both made of active metal alloy materials (e.g., aluminum, magnesium, etc.).
Optionally, in the embodiment of the utility model, can consume the anion in the crude oil through sacrificing pipeline inner anode 3 as the cost, restrain it and pipeline body 6 and react, keep away face pipeline body 6 and corroded.
Optionally, in the embodiment of the present invention, because of the existence of the outer anode 7 of the pipeline, the free charged anions in the environment where the outer wall of the adsorption pipeline body 6 is located are preferentially subjected to electrochemical corrosion, so as to achieve the anti-corrosion effect on the outer wall of the adsorption pipeline body 6.
Optionally, in an embodiment of the present invention, with reference to fig. 1, the wax-proof, anti-scaling and anti-corrosion apparatus further includes: at least one strong magnetic structure 5, each strong magnetic structure 5 is arranged in the pipeline body 6; the connecting rod 2 is arranged through at least one strong magnetic structure 5.
Optionally, in the embodiment of the present invention, referring to fig. 1, as shown in fig. 5, each strong magnetic structure 5 may include a screw pair 51, a spacer 53, a strong magnet 54, and a spacer 55; the thread pair 51, the gasket 53 and the spacer 55 are all made of 304 stainless steel, so that the corrosion resistance effect is remarkable; the ferromagnetic 54 is made of rubidium, iron and boron, and the ferromagnetic contains a large amount of rare earth elements of neodymium, iron and boron, has excellent magnetism and meets the use requirement of equipment.
Optionally, in an embodiment of the present invention, with reference to fig. 1, the wax-proof, anti-scaling and anti-corrosion apparatus further includes: a coupling 9; the coupling sleeve 9 is arranged outside the plugging structure 8, and the coupling 9 is connected with the pipeline body 6.
Optionally, in the embodiment of the present invention, the coupling 9 is a connecting element with two inner ends processed with API 2-7/8 "coupling threads, the material is 304 stainless steel, the corrosion resistance effect is good, and the device and the downhole tubing are connected in a sealing manner.
In the embodiment of the utility model, the wax control scale control anticorrosion device is connected with the tubular column in the pit through coupling 9, when crude oil gets into the wax control scale control anticorrosion device from 1 one end of limit structure of the wax control scale control anticorrosion device, namely when pipeline body 6 is inside, at first carry out the first efflux through limit structure 1, carry out the first reposition of redundant personnel to cut off crude oil, carry out the electrochemistry reversal through pipeline internal anode 3 and the electrified anion in crude oil afterwards, with sacrificing pipeline internal anode 3 as the cost, consume the anion in crude oil, restrain it and pipeline body 6 to react, avoid face pipeline body 6 to corrode; the crude oil through positive pole 3 continues to flow in the pipeline, will once more through a reducing structure 4, carry out the efflux for the second time and accelerate, then crude oil will pass through a strong magnetic structure 5, receive the electric field effect and cut off the micelle, prevent the molecule wax precipitation scale deposit, then pass through a reducing structure 4 once more, through continuous efflux reinforcing wax control scale control effect, then rethread strong magnetic structure 5, carry out the effect of secondary magnetic field, then pass through at least one reducing structure 4 and the 5 synergists of a strong magnetic structure once more, then crude oil carries out final efflux through block structure 8, from crude oil outlet end flow to hypomere oil pumping pipeline.
It can be understood that, in the embodiment of the present invention, the flow velocity is changed by the small-aperture jet flow of the plurality of through holes 41 of the at least one reducing structure 4, and then the magnetic induction line cross cutting of the at least one strong magnetic structure 5 is performed to cut the wax-deposition and scale-formation large molecular groups into small molecular groups which are not easy to gather, and because of the oil-repellent and wax-repellent effect of the copper-based catalyst alloy material, the processed small apertures for the jet flow are not easy to be blocked, so as to ensure the use requirements; in addition, by using the principle of 'cathode protection method of sacrificial anode', the aluminum magnesium alloy which is easy to generate oxidation reduction reaction is used as the anode (namely the anode 3 in the pipeline and the anode 7 outside the pipeline) to preferentially react with the ions in the crude oil, so that the free ions in the crude oil are consumed, and the probability of corrosion between the aluminum magnesium alloy and the oil pipe is reduced.
In the whole process, crude oil undergoes repeated jet flow and strong magnetic action, wax deposition and scaling molecules can be cut off to the maximum extent, and free charged negative ions in the environment where the outer wall of the adsorption pipeline body 6 is located are preferentially subjected to electrochemical corrosion due to the existence of the outer anode 7 of the pipeline, so that the anti-corrosion effect is achieved.
The embodiment of the utility model provides an in, owing to be provided with at least one reducing structure in the flowing direction of crude oil, so that crude oil can pass through from every reducing structure in this at least one reducing structure, and the trompil aperture of every reducing structure is less than the pipe diameter of pipeline body, consequently under the unchangeable condition is preserved to crude oil flow, the flow velocity through this internal crude oil of pipeline can increase, so can reduce the condensation situation of materials such as paraffin, colloid and asphaltene in the crude oil, in order to promote the efficiency of crude oil exploitation.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.

Claims (10)

1. A wax-proof, anti-scaling and anti-corrosion device, comprising: the pipeline comprises a pipeline body, a limiting structure arranged at one end of the pipeline body, a blocking structure arranged at the other end of the pipeline body, at least one reducing structure arranged in the pipeline body and a connecting rod arranged in the pipeline body;
wherein, at least one reducing structure parallel arrangement each other, every reducing structure with the inner wall clearance fit of pipeline body, the connecting rod runs through limit structure at least one reducing structure with the block structure sets up.
2. The wax-proof, scale-proof and corrosion-proof device according to claim 1, wherein at least one first through hole is opened on the at least one reducing structure, a first opening of the at least one first through hole is opposite to the limiting structure, and a second opening of the at least one first through hole is opposite to the blocking structure.
3. The wax control, scale control and corrosion protection arrangement of claim 2, wherein for each of the at least one reducing structures, the at least one first through hole is evenly distributed around a central area of one reducing structure.
4. The wax-proof, anti-scaling and anti-corrosion device according to claim 2, wherein the limiting structure is provided with at least one second through hole, and each second through hole is arranged opposite to one first through hole.
5. The wax-proof, anti-scaling and anti-corrosion device according to claim 2, wherein the blocking structure is provided with at least one third through hole, and each third through hole is arranged opposite to one first through hole.
6. The wax-proof, anti-scaling and anti-corrosion device according to any one of claims 2 to 5, wherein each of the reducing structures is made of a copper-based catalyst alloy material.
7. The wax-proof, anti-fouling and anti-corrosion apparatus according to claim 1, further comprising: an inner anode and an outer anode of the pipeline; the anode in the pipeline is connected with the inner wall of the pipeline body; the pipeline outer anode is sleeved outside the pipeline body.
8. The wax-proof, anti-scaling and anti-corrosion apparatus according to claim 7, wherein the pipeline inner anode and the pipeline outer anode are both made of active metal alloy material.
9. The wax-proof, anti-fouling and anti-corrosion apparatus according to claim 7, further comprising: at least one strong magnetic structure, each strong magnetic structure disposed within the pipeline body; the connecting rod runs through the at least one strong magnetic structure.
10. The wax-proof, anti-fouling and anti-corrosion apparatus according to claim 1, further comprising: a coupling; the coupling is sleeved outside the plugging structure and connected with the pipeline body.
CN202020909752.0U 2020-05-26 2020-05-26 Wax-proof, scale-proof and corrosion-proof device Active CN212317945U (en)

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Application Number Priority Date Filing Date Title
CN202020909752.0U CN212317945U (en) 2020-05-26 2020-05-26 Wax-proof, scale-proof and corrosion-proof device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020909752.0U CN212317945U (en) 2020-05-26 2020-05-26 Wax-proof, scale-proof and corrosion-proof device

Publications (1)

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CN212317945U true CN212317945U (en) 2021-01-08

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