CN208966278U - Paraffin removal tool - Google Patents
Paraffin removal tool Download PDFInfo
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- CN208966278U CN208966278U CN201821325781.1U CN201821325781U CN208966278U CN 208966278 U CN208966278 U CN 208966278U CN 201821325781 U CN201821325781 U CN 201821325781U CN 208966278 U CN208966278 U CN 208966278U
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- scraper
- removal tool
- main shaft
- paraffin removal
- paraffin
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Abstract
The utility model provides a kind of paraffin removal tool, comprising: main shaft and the multiple scrapers being fixedly connected on the main shaft;The length direction of the scraper is twist arranged perpendicular to the main shaft, multiple scrapers along the length direction of the main shaft, and the scraper is used to cut the wax deposition in pit shaft side wall.The utility model provides a kind of paraffin removal tool, can effectively improve the wax removal success rate of paraffin removal tool.
Description
Technical field
The utility model relates to technical field of petroleum extraction more particularly to a kind of paraffin removal tools.
Background technique
During oil extraction, with the continuous decline of temperature, pressure, the deposit being dissolved in crude oil will be with knot
Crystal precipitation, grow up aggregation and deposition, form wax deposition phenomenon.After oil well paraffinication, oil discharge passage internal diameter is gradually reduced, and is increased to oil stream
Add resistance, reduce oil well productivity, some even blocks oil flow channel, and oil well is caused to stop production.Therefore, paraffin removal from oil well very must
It wants.
In the prior art, in order to remove the wax deposition in oil well, widely used paraffin removal tool is paraffin scraper, and this tool is adopted
With steel wire G.I.H, the wax deposition on the borehole wall being wiped off, drifting operation generally first being carried out before wax removal, drifting mainly utilizes steel
Cord carries weighted lever and paraffin scraper carries out drifting operation.
But it is above-mentioned by the way of steel wire drifting and paraffin removal tool wax removal, work up and down is generally required when drifting is hampered
Dynamic to be passed through when being hampered more serious using tool self weight drifting, leading to lower step wax removal operation, there are biggish hidden danger even nothings
Paraffin removal tool is transferred to purpose depth by method.
Utility model content
The utility model provides a kind of paraffin removal tool, can effectively improve the wax removal success rate of paraffin removal tool.
The utility model provides a kind of paraffin removal tool, comprising: main shaft and the multiple scrapers being fixedly connected on the main shaft;
The length direction of the scraper is in spiral shell along the length direction of the main shaft perpendicular to the main shaft, multiple scrapers
Shape arrangement is revolved, the scraper is used to cut the wax deposition in pit shaft side wall.
Bulk wax deposition effectively can be cut into fritter wax deposition by paraffin removal tool provided by the utility model, improve wax removal success
Rate;Scraper helical arrangement can effectively improve pressure when scraper is contacted with wax deposit agglomerate, enhance cutting power.
Further, the paraffin removal tool further include: spine;
The spine is located at the bottom of the main shaft, and the spine is for piercing through wax deposition.
Further, the paraffin removal tool further include: paraffin scraper;
The paraffin scraper is located at the top of the scraper and is fixedly connected with the main shaft, and the paraffin scraper is for striking off institute
State the wax deposition in pit shaft side wall.
Further, the paraffin scraper includes thin cylindrical structure, and the outer diameter of the thin cylindrical structure is interior with the pit shaft
Diameter matches.
Further, the thin cylindrical structure is fixedly connected by more spokes with the main shaft.
Further, the paraffin removal tool further include: mounting portion;
The installation position passes through the mounting portion and weighted lever and steel wire in the top of the main shaft, the paraffin removal tool
Connection, the steel wire is for raising and decentralizing the paraffin removal tool.
Further, multiple scraper helical patterns were around the main shaft one week.
Further, multiple scrapers are uniformly distributed.
Further, the scraper is tetragonous wimble structure.
Further, the scraper is welded and fixed with the main shaft.
Paraffin removal tool provided by the utility model, by the way that scraper is arranged, scraper can be effectively improved along main shaft helical arrangement
Bulk wax deposition is cut into fritter wax deposition, enhances cutting power by pressure when scraper and wax deposit agglomerate contact.In addition, passing through
Spine is further set, and spine can effectively pierce through wax deposit agglomerate, and the shape of wax deposit agglomerate can be judged by spine
State smoothly raises and decentralizes convenient for paraffin removal tool;By the way that paraffin scraper is arranged, wax deposition is removed after scraper cutting, is conducive to
Improve the success rate of wax removal.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of paraffin removal tool provided by the embodiment of the utility model;
Fig. 2 is structural schematic diagram when paraffin removal tool provided by the embodiment of the utility model uses;
Fig. 3 is the structural schematic diagram at another visual angle of paraffin removal tool provided by the embodiment of the utility model;
Fig. 4 is the structural schematic diagram at another visual angle of paraffin removal tool provided by the embodiment of the utility model;
Fig. 5 is the top view of paraffin removal tool provided by the embodiment of the utility model;
Fig. 6 is the bottom view of paraffin removal tool provided by the embodiment of the utility model.
Appended drawing reference:
100- paraffin removal tool
11- main shaft
12- scraper
13- spine
14- paraffin scraper
141- spoke
15- mounting portion
200- pit shaft
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction in the utility model
The technical solution in the utility model is clearly and completely described in attached drawing, it is clear that described embodiment is that this is practical
Novel a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.
It is to be appreciated that petroleum is mainly the mixture being made of the hydrocarbon of various components, various components
The phase of hydrocarbon changes with the variation of mining conditions, and solid matter therein is mainly that carbon atoms number is
The alkane of 16-64, this substance are known as paraffin.Paraffin refined wax is the slightly transparent crystalline solid of white.
Oil well is in process of production, former when reaching certain condition with temperature, the precipitation of the reduction of pressure and gas
The paraffin dissolved in oil is just crystallized, is precipitated.With being further change in for condition, paraffin is constantly precipitated, and crystalline solid is just assembled
Be deposited in the equipment and tool such as oil pipe, casing, sucker rod and oil well pump, this phenomenon is exactly wax deposition.Oil well paraffinication is not
White crystal, but the mixture of the impurity such as the paraffin of the semisolid of black and solid state, pitch, colloid, silt.Oil well knot
After wax, oil discharge passage internal diameter is gradually reduced, and is increased resistance to oil stream, is reduced oil well productivity, some even blocks up oil flow channel
Extremely, oil well is caused to stop production.
The factor for influencing oil well paraffinication mainly has the content of resin and asphalt in the component and temperature, crude oil of petroleum, pressure
The degree of roughness and table of power and water and mechanical admixture, the speed of oil liquid flowing and well wellbore surface in solution gas, crude oil
Surface properties etc..By increasing oil stream speed, oil well knot can be effectively prevented in tubing internal coating and using modes such as wax-proofing agents
Wax.The function and effect of oil well paraffin prevention are limited, and therefore, it is necessary to use paraffin removal from oil well.
Paraffin removal from oil well is the process for disposing the wax being adhered on the tools such as oil well tube wall or oil well pump, is commonly used
Paraffin removal from oil well method mainly include mechanical paraffin removal, heating power wax removal, chemical agent wax removal, microorganism wax removal etc..Wherein, mechanical clear
Wax is exactly to be wiped off the wax being attached in well wellbore with special paraffin removal tool, this is a kind of simple and intuitive wax removal side
Method is widely applied in flowing well and pumpingh well.
Mechanical paraffin removal specifically includes, and in well site electric winch by paraffin removal tool tripping in oil well, paraffin removal tool is in oil pipe
Wax deposition position is movable above and below, the wax deposition on tube wall is struck off, and take well head out of by oil stream.Paraffin removal tool wax removal should be according to oil
The Regular of Wax Deposition of well makes the wax removals systems such as period of removing the wax, wax removal depth, operating instruction and the paraffin removal tool specification that uses, with
Guarantee the validity and success rate of wax removal.
Below with reference to the accompanying drawings and in conjunction with specific embodiments the utility model is described.
Fig. 1 is the structural schematic diagram of paraffin removal tool provided by the embodiment of the utility model, and Fig. 2 is the utility model embodiment
The structural schematic diagram when paraffin removal tool of offer uses, Fig. 3 are another view of paraffin removal tool provided by the embodiment of the utility model
The structural schematic diagram at angle, Fig. 4 are the structural schematic diagram at another visual angle of paraffin removal tool provided by the embodiment of the utility model, Fig. 5
For the top view of paraffin removal tool provided by the embodiment of the utility model, Fig. 6 is paraffin removal tool provided by the embodiment of the utility model
Bottom view, with reference to shown in Fig. 1-Fig. 6, the utility model provides a kind of paraffin removal tool 100, comprising: main shaft 11 be fixedly connected
Multiple scrapers 12 on main shaft 11;The length direction of scraper 12 is perpendicular to main shaft 11, length of multiple scrapers 12 along main shaft 11
Direction twist arranges, and scraper 12 is used to cut the wax deposition on 200 side wall of pit shaft.
After oil well paraffinication, wax deposition aggregation is agglomerating, will lead to paraffin removal tool and is hampered and is difficult to pass through, and wax is agglomerating bigger, then
It is hampered more serious.In the prior art, in order to remove the wax deposition in oil well, widely used paraffin removal tool is paraffin scraper, this
Tool uses steel wire G.I.H, wipes the wax deposition on the borehole wall off, drifting operation is generally first carried out before wax removal, drifting is main
Weighted lever is carried using wirerope and paraffin scraper carries out drifting operation.But it is above-mentioned using steel wire drifting and paraffin removal tool wax removal
Mode, generally required when drifting is hampered it is up and down using tool be self-possessed drifting, can not pass through when being hampered more serious, cause
There are biggish hidden danger, and paraffin removal tool can not even be transferred to purpose depth for lower step wax removal operation.And it is provided in this embodiment clear
Bulk wax deposition can effectively be cut as fritter, be passed through convenient for paraffin removal tool 100 by wax tool 100, scraper 12, can be effectively improved clear
The success rate of wax.
Wherein, scraper 12 is used to cut the wax deposition on 200 side wall of pit shaft, and therefore, the end of scraper 12 should be connected to pit shaft
200 side wall, the i.e. radius of main shaft 11 add the length of scraper 12, equal to the radius of pit shaft 200.Multiple scrapers 12 are along main shaft 11
Length direction twist arrange, i.e., in horizontal direction, each horizontal plane only arranges a scraper 12, can effectively improve scraper
12 with wax deposit agglomerate contact when pressure, enhance cutting power.And on vertical direction, multiple scrapers 12 are arranged in main shaft 11
It is circumferential, can the wax deposition on the side wall to pit shaft 200 carry out comprehensive cutting.
In the utility model embodiment, the length of main shaft 11 is not particularly limited, and length should at least meet multiple scrapers
12 helical patterns one week.The diameter dimension of main shaft 11 should not be too large, to avoid main shaft 11 by wax deposit group in decentralization process
Block stops, and scraper 12 is difficult to play shear action;The diameter dimension of main shaft 11 is also unsuitable too small, insufficient to avoid its stiffness,
Phenomena such as fractureing, bending during wax removal.
Further, the concrete form of scraper 12 is not particularly limited in the present embodiment.Its length should be with main shaft 11
Size match so that when it is fixed on main shaft 11, end abutment plays cutting and makees on the side wall of pit shaft 200
With.
The quantity of scraper 12 is not particularly limited in the present embodiment, and quantity is very few, will lead to cutting range it is few, scraper
The pressure of 12 receivings is big, and scraper 12 is weaker to the shear action of wax deposit agglomerate;When 12 quantity of scraper is excessive, then cutting effect
Improved unobvious, making paraffin removal tool 100 instead, whole that structure is complicated is extra.
In the present embodiment, scraper 12 can be the structures such as triangular pyramid, rectangular pyramid.The end of scraper 12 is pyramidal structure,
Cutting effect is good, bulk wax effectively can be cut into fritter wax.Scraper 12 and main shaft 11 are welded and fixed or rivet fixation, so that
Obtain secure and reliable connection between scraper 12 and main shaft 11.
Requirement due to scraper 12 to intensity is relatively high, can take the high intensity such as steel alloy, corrosion-resistant, wear-resisting material
It is made.
It should be noted that the needs of paraffin removal tool 100 are used together with steel wire with tools such as weighted levers.In addition, using steel
When silk operation, it is also necessary to the tools such as winch and pulley are used, to guarantee that steel wire smoothly raises and decentralizes.Use steel wire operation
When, it is also necessary to guarantee that pit shaft seals, passes through the tools such as setting blowout prevention box, lubricator, steel wire blowout preventer, the peace of common guarantee well head
Quan Xing.Weighted lever is then used to guarantee the stability of 100 decentralization process of paraffin removal tool.
Paraffin removal tool 100 provided by the embodiment of the utility model, specifically used method and working principle are, by wax removal work
Tool 100 is connect with tools such as steel wire and weighted levers, is put into pit shaft down together, the constantly cutting pit shaft 200 of scraper 12 in decentralization process
Wax deposition on side wall;When transferring to the more serious position of wax deposit agglomerate, it can be made by lifting from the top and puting down paraffin removal tool 100 repeatedly
It obtains scraper 12 to cut repeatedly, so that bulk wax is cut to fritter wax.
Bulk wax deposition effectively can be cut into fritter wax deposition by paraffin removal tool provided by the embodiment of the utility model, be improved clear
Wax success rate;Scraper helical arrangement can effectively improve pressure when scraper is contacted with wax deposit agglomerate, enhance cutting power.
More detailed embodiment is used below, and the structure of each component is described in detail.
It continues to refer to figure 1 shown in-Fig. 6, paraffin removal tool 100 further include: spine 13;Spine 13 is located at the bottom of main shaft 11,
Spine 13 is for piercing through wax deposition.Spine 13 can pierce through wax deposit agglomerate, destroy the globality of wax deposit agglomerate, and logical
The force for crossing spine 13 can determine whether wax deposit agglomerate is excessive, if will affect the operation of paraffin removal tool 100, if wax is heavy
Product agglomerate is excessive, and paraffin removal tool 100 can not transfer, and can in time propose paraffin removal tool 100, and the glutinous card of wax deposit agglomerate is avoided to lead
It causes paraffin removal tool 100 can not be successfully to mention.
Specifically, spine 13 is the pyramidal structure that 11 bottom of main shaft is arranged in, and can be conical tip or pyramid
Shape tip can play the role of piercing through wax deposit agglomerate.The tip of spine 13 should be arranged more sharp, to improve point
Pressure when thorn 13 is contacted with wax deposit agglomerate enhances penetration ability, meanwhile, the tip of spine 13 should not be excessively sharp, to keep away
Exempt from it to fracture in penetration process or deform easily.
Further, paraffin removal tool 100 further include: paraffin scraper 14;Paraffin scraper 14 is located at the top of scraper 12 and and main shaft
11 are fixedly connected, and paraffin scraper 14 is used to strike off the wax deposition on 200 side wall of pit shaft.The top of scraper 12 is arranged in paraffin scraper 14, clearly
In 100 decentralization process of wax tool, spine 13 pierces through wax deposit agglomerate first, and then bulk wax is cut into fritter wax by scraper 12,
Finally wax deposition is struck off from the side wall of pit shaft 200 by paraffin scraper 14.
Specifically, paraffin scraper 14 includes thin cylindrical structure, and the internal diameter of the outer diameter and pit shaft 200 of thin cylindrical structure matches.
Thin cylindrical structure refers to annular circular flake structure, and structure snd size and the internal diameter of pit shaft 200 match, smoothly to scrape
Except the wax deposition on the side wall of pit shaft 200.The thickness of thin cylindrical structure is unsuitable blocked up, to avoid wax deposition difficulty height, thin cylinder is struck off
The thickness of structure is unsuitable excessively thin, to avoid deformation is bent in abrading process.
With reference to shown in Fig. 3 and Fig. 5, thin cylindrical structure is fixedly connected by more spokes 141 with main shaft 11.Thin cylindrical structure
It is fixedly connected by more spokes 141 with main shaft 11, spoke 141 plays connection function and supporting role, guarantees thin cylindrical structure
It will not deform in operation process, and between thin cylindrical structure and main shaft 11 in addition to spoke 141, other parts are all hollow
Structure, so that the wax deposition that paraffin scraper 14 scrapes can smoothly be fallen.The quantity of spoke 141 should not be excessive, to avoid influence
It is fallen to wax deposition, the quantity of spoke 141 is unsuitable very few, to avoid expire connection and support strength is influenced.Preferably, spoke 141
Quantity be 3-5.
Optionally, paraffin scraper 14 is nylon paraffin cutting piece, and there is surface hydrophilic to be not easy, and wax deposition, coefficient of friction are small, intensity is high, resistance to
The advantages that impacting, be wear-resisting, corrosion-resistant, and nylon paraffin cutting piece is usually injection molding, does not need to be machined, easily manufactured, system
It makes at low cost.
On the basis of the above embodiments, paraffin removal tool 100 further include: mounting portion 15;Mounting portion 15 is located at main shaft 11
Top, paraffin removal tool 100 are connect by mounting portion 15 with weighted lever and steel wire, and steel wire is for raising and decentralizing paraffin removal tool 100.
Paraffin removal tool 100 is not separate operaton in actual use, need to cooperate the tools such as steel wire and weighted lever, righting rod together on
It mentions and transfers, therefore, mounting portion 15 should be arranged in top, be coupled with facilitating with other tools.Mounting portion 15 it is specific
Structure is not particularly limited in the utility model embodiment, can be the forms such as hanging ring, screw thread, to connect reliably, conveniently
Assembly and disassembly are design principle.
In a kind of more specifical embodiment, since scraper 12 is used to cut the wax deposition on 200 side wall of pit shaft,
The end of scraper 12 should abut the side wall of pit shaft 200, i.e. the radius of main shaft 11 length that adds scraper 12, equal to pit shaft 200
Radius.Multiple scrapers 12 are twist arranged along the length direction of main shaft 11, i.e., in horizontal direction, each horizontal plane only arranges one
A scraper 12 can effectively improve pressure when scraper 12 is contacted with wax deposit agglomerate, enhance cutting power.And on vertical direction,
Multiple scrapers 12 are arranged in the circumferential direction of main shaft 11, can the wax deposition on the side wall to pit shaft 200 carry out comprehensive cutting.
Multiple 12 helical patterns of scraper were around main shaft 11 1 weeks.Correspondingly, the length of main shaft 11 meets multiple 12 spiral shells of scraper
Shape is revolved to arrange one week.Multiple 12 helical patterns of scraper around the circle number of main shaft 11 be excessively it is unnecessary, can then be led less than a circle
Cause cutting insufficient, therefore it is optimal selection that multiple 12 helical patterns of scraper, which are arranged, around main shaft 11 1 weeks, with reference to Fig. 5 and Fig. 6
Top and bottom perspective views can be appreciated that the specific location relationship of scraper 12 Yu main shaft 11.Preferably, multiple scrapers 12 are uniformly distributed
In the circumferential direction of main shaft 11, wax deposition is uniformly cut with realizing.
In the present embodiment, scraper 12 is tetragonous wimble structure.The end of scraper 12 is rectangular pyramid, and cutting effect is good, can have
Bulk wax is cut into fritter wax by effect.Scraper 12 is welded and fixed with main shaft 11.Being welded and fixed has that connection is reliable, manufacturing cost is low
The advantages that.
In addition, the requirement due to scraper 12 and spine 13 to intensity is relatively high in the utility model embodiment, the two can be adopted
The high intensity such as steel alloy, corrosion-resistant, wear-resisting material are taken to be made.And abrasion-resistant metal piece can be set on its stress surface, to improve
Wear-resisting property extends the service life of paraffin removal tool 100.
It should be noted that the needs of paraffin removal tool 100 are used together with steel wire with tools such as weighted levers.In addition, using steel
When silk operation, it is also necessary to the tools such as winch and pulley are used, to guarantee that steel wire smoothly raises and decentralizes.Use steel wire operation
When, it is also necessary to guarantee that pit shaft seals, passes through the tools such as setting blowout prevention box, lubricator, steel wire blowout preventer, the peace of common guarantee well head
Quan Xing.Weighted lever is then used to guarantee the stability of 100 decentralization process of paraffin removal tool.
Paraffin removal tool 100 provided by the embodiment of the utility model, specifically used method and working principle are, by wax removal work
Tool 100 is connect by mounting portion 15 with tools such as steel wire and weighted levers, is put into pit shaft down together;During lower section, spine 13 is pierced
Wax deposit agglomerate is worn, then bulk wax is cut into fritter wax by scraper 12, finally by paraffin scraper 14 from the side wall of pit shaft 200
Wax deposition is struck off;When transferring to the more serious position of wax deposit agglomerate, can by lifting from the top and puting down paraffin removal tool 100 repeatedly so that
Scraper 12 is cut repeatedly, and paraffin scraper 14 strikes off repeatedly, until the wax deposition on 200 side wall of pit shaft is completely removed.
Paraffin removal tool provided by the embodiment of the utility model, by the way that scraper is arranged, scraper can have along main shaft helical arrangement
Effect improves pressure when scraper is contacted with wax deposit agglomerate, and bulk wax deposition is cut into fritter wax deposition, enhances cutting power.This
Outside, by the way that spine is further arranged, spine can effectively be pierced through wax deposit agglomerate, and wax deposit group can be judged by spine
The state of block, smoothly raises and decentralizes convenient for paraffin removal tool;By the way that paraffin scraper is arranged, wax deposition is removed after scraper cutting,
Be conducive to improve the success rate of wax removal.
In the description of the present invention, it should be understood that used term " center ", " length ", " width ",
" thickness ", " top ", " bottom end ", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outside" " axis
To ", the indicating positions such as " circumferential direction " or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing
The utility model and simplified description, rather than the position of indication or suggestion meaning or original part must have a particular orientation, with spy
Fixed construction and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, example
Such as two, three, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. shall be understood in a broad sense, such as may be a fixed connection, may be a detachable connection, or be integrally formed;It can be machinery
Connection is also possible to be electrically connected or can communicate with each other;It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements can be made.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of paraffin removal tool characterized by comprising main shaft and the multiple scrapers being fixedly connected on the main shaft;
The length direction of the scraper perpendicular to the main shaft, multiple scrapers along the main shaft length direction twist
Arrangement, the scraper are used to cut the wax deposition in pit shaft side wall.
2. paraffin removal tool according to claim 1, which is characterized in that further include: spine;
The spine is located at the bottom of the main shaft, and the spine is for piercing through wax deposition.
3. paraffin removal tool according to claim 1, which is characterized in that further include: paraffin scraper;
The paraffin scraper is located at the top of the scraper and is fixedly connected with the main shaft, and the paraffin scraper is for striking off the well
Wax deposition on cylinder side wall.
4. paraffin removal tool according to claim 3, which is characterized in that the paraffin scraper includes thin cylindrical structure, described thin
The outer diameter of cylindrical structure and the internal diameter of the pit shaft match.
5. paraffin removal tool according to claim 4, which is characterized in that the thin cylindrical structure by more spokes with it is described
Main shaft is fixedly connected.
6. paraffin removal tool according to claim 1, which is characterized in that further include: mounting portion;
The installation position is connected in the top of the main shaft, the paraffin removal tool by the mounting portion and weighted lever and steel wire
It connects, the steel wire is for raising and decentralizing the paraffin removal tool.
7. paraffin removal tool according to claim 1-6, which is characterized in that multiple scraper helical patterns around
The main shaft one week.
8. paraffin removal tool according to claim 7, which is characterized in that multiple scrapers are uniformly distributed.
9. paraffin removal tool according to claim 8, which is characterized in that the scraper is tetragonous wimble structure.
10. paraffin removal tool according to claim 9, which is characterized in that the scraper is welded and fixed with the main shaft.
Priority Applications (1)
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CN201821325781.1U CN208966278U (en) | 2018-08-15 | 2018-08-15 | Paraffin removal tool |
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CN201821325781.1U CN208966278U (en) | 2018-08-15 | 2018-08-15 | Paraffin removal tool |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110513079A (en) * | 2019-09-06 | 2019-11-29 | 邹宏刚 | A kind of producing well paraffin removal unit and method |
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2018
- 2018-08-15 CN CN201821325781.1U patent/CN208966278U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110513079A (en) * | 2019-09-06 | 2019-11-29 | 邹宏刚 | A kind of producing well paraffin removal unit and method |
CN110513079B (en) * | 2019-09-06 | 2021-03-23 | 邹宏刚 | Paraffin removal device and method for oil production well |
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