CN208966278U - Paraffin removal tool - Google Patents

Paraffin removal tool Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
scraper
removal tool
main shaft
paraffin removal
paraffin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821325781.1U
Other languages
Chinese (zh)
Inventor
金子涵
王宏
曹鹏
王光辉
陈文�
袁梓钧
胥珍珍
南雨岑
杜洋
张新海
冯京涛
史贺东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201821325781.1U priority Critical patent/CN208966278U/en
Application granted granted Critical
Publication of CN208966278U publication Critical patent/CN208966278U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Processing Of Stones Or Stones Resemblance Materials (AREA)

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

Paraffin removal tool
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.
CN201821325781.1U 2018-08-15 2018-08-15 Paraffin removal tool Active CN208966278U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821325781.1U CN208966278U (en) 2018-08-15 2018-08-15 Paraffin removal tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821325781.1U CN208966278U (en) 2018-08-15 2018-08-15 Paraffin removal tool

Publications (1)

Publication Number Publication Date
CN208966278U true CN208966278U (en) 2019-06-11

Family

ID=66752206

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821325781.1U Active CN208966278U (en) 2018-08-15 2018-08-15 Paraffin removal tool

Country Status (1)

Country Link
CN (1) CN208966278U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN1701161A (en) Rotary cutting bit with material-deflecting ledge
CN208966278U (en) Paraffin removal tool
CN212958474U (en) PDC drill bit for drilling complex rock stratum
CN209483268U (en) Underground clast fishing junk device
CN209195362U (en) Paraffin removal tool
CN209780821U (en) rope fishing device with hook teeth
CN2825938Y (en) Mud scraping ring and scraping apparatus for drill rod external wall
CN106522902A (en) Gas well underground rotational flow atomization water drainage and gas recovery device
CN2406058Y (en) Underground mechanical viscosity-reducing device for oil well
CN200978641Y (en) Swab rubber cylinder salvaging basket
CN2861453Y (en) Wall cleaning gauge for inner wall of casing
CN2635909Y (en) Rotary impact type mechanical wax scraper
CN2926490Y (en) Wax scraper for self-blowing well
CN210888847U (en) Rolling type rotational flow well washing tool for oil well
CN2376529Y (en) Rotatable stabilizing wax scraper
CN2527741Y (en) Sandpump
CN201737889U (en) Hydraulic coal tar cutter
CN210068087U (en) Paraffin removal device
CN210918990U (en) Rotary spraying descaling wall scraping tool
CN212837699U (en) Wax scraping device for self-blowing well
CN2635910Y (en) Oil well sleeve patching tool
CN207144907U (en) A kind of blade type paraffin scraper
CN110280547A (en) Wax scraping apparatus
CN2531100Y (en) Short piece movable nylon paraffin cutting centralizer for sucker rod
CN219299284U (en) Self-vibration type sleeve scraper

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant