CN203188974U - Diameter-changing spiral spring for pumping well oil tube paraffin removal - Google Patents

Diameter-changing spiral spring for pumping well oil tube paraffin removal Download PDF

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Publication number
CN203188974U
CN203188974U CN 201320194041 CN201320194041U CN203188974U CN 203188974 U CN203188974 U CN 203188974U CN 201320194041 CN201320194041 CN 201320194041 CN 201320194041 U CN201320194041 U CN 201320194041U CN 203188974 U CN203188974 U CN 203188974U
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CN
China
Prior art keywords
diameter
spiral spring
helical spring
oil pipe
spring
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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.)
Expired - Fee Related
Application number
CN 201320194041
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Chinese (zh)
Inventor
罗绍东
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罗绍东
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Priority to CN 201320194041 priority Critical patent/CN203188974U/en
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Publication of CN203188974U publication Critical patent/CN203188974U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a diameter-changing spiral spring for pumping well oil tube paraffin removal. The diameter-changing spiral spring comprises a body which is made of elastic line materials and is matched on an oil pumping rod in a pumping well, and the body corresponds to an oil tube arranged in the pumping well. The diameter-changing spiral spring is characterized in that the body is formed by the fact that a small-diameter section spiral spring and a large-diameter section spiral spring are connected, the inner diameter of the small-diameter section spiral spring is slightly smaller than the diameter of the oil pumping rod, and the outer diameter of the large-diameter section spiral spring is slightly smaller than the inner diameter of the oil tube. Compared with the prior art, the diameter-changing spiral spring has the advantages that the diameter-changing spiral spring is made of the elastic line materials, a chromium coating layer covers the surface of the diameter-changing spiral spring, rigidness is high, abrasion performance is good, service life is long; when the diameter-changing spiral spring moves up and down along with the oil pumping rod, the large-diameter section spiral spring scrapes paraffin condensed on the oil tube, oil tube blocking is avoided; the diameter-changing spiral spring is simple in structure and convenient to mount and disassemble.

Description

A kind of Reducing screw spring for pumpingh well oil pipe wax removal
Technical field
The utility model relates to the oil exploration equipment annex, is specifically related to a kind of Reducing screw spring for pumpingh well oil pipe wax removal.
Background technology
Oil is in recovery process, and when oil stream was mobile to well head from the shaft bottom, the well temperature was fallen gradually, and when being lower than wax precipitation point, contained wax will be separated out and be attached on the oil pipe in the crude oil, causes oil pipe to stop up, and sucker rod is broken easily, influences the ordinary production of oil well.In order to prevent tubing wax, processing method commonly used at present has: chemical agent wax removal, hot-washing wax remover, mechanical paraffin removal etc.The chemical agent wax removal needs regularly to inject chemical agent in oil well, and not only cost height, and weak effect will cooperate heat to wash the ordinary production that just can keep oil well toward contact.Hot-washing wax remover consumes height, pollution is heavy, has not only reduced the permeability of oil reservoir, and has needed just can produce after heat is washed each time in 3-5 days.Mechanical paraffin removal is most common form, and with the circular paraffin cleaner that engineering plastics are made, the excircle of circular paraffin cleaner is provided with the oil groove of inclination, is respectively equipped with a circular paraffin cleaner at each stroke of sucker rod.Because circular paraffin cleaner quantity is many, oil flow channel is little, makes that the sucker rod resistance that moves up and down is big; Selected material hardness that the more important thing is circular paraffin cleaner is lower, wears no resistance, and application life is short.In order to reduce the cost of winning of oil, guarantee the ordinary production of oil well, need seek better wax removal apparatus.
Summary of the invention
The purpose of this utility model is the deficiency that exists at prior art, and a kind of Reducing screw spring for pumpingh well oil pipe wax removal is provided, and it is simple in structure, easy installation and removal not only, can also prevent that oil pipe from stopping up; The while long service life.
The technical solution of the utility model is as follows:
A kind of Reducing screw spring for pumpingh well oil pipe wax removal comprises body, and described body is the helical spring that elastic wire is made, and is engaged on the sucker rod in the pumpingh well, and is corresponding with oil pipe in being located at pumpingh well, it is characterized in that:
Described body is linked to each other with the enlarged diameter section helical spring by the reduced diameter section helical spring and constitutes, and the helical spring internal diameter of described reduced diameter section is slightly less than the diameter of described sucker rod, and the helical spring external diameter of described enlarged diameter section is slightly less than the internal diameter of described oil pipe.
Further, the middle part of described body is described enlarged diameter section helical spring, and both ends are respectively described reduced diameter section helical spring.
Further, the middle part of described body is described reduced diameter section helical spring, and both ends are respectively described enlarged diameter section helical spring.
Further, described body is two sections described reduced diameter section helical springs and two sections alternate connecting and composing of described enlarged diameter section helical spring.
Further, described body is that circle, ellipse or polygonal elastic wire are made by the cross section.
Further, the surface coverage at described body has chromium coating.
The utility model compared with prior art has the following advantages:
(1) the Reducing screw spring is made by elastic wire, and surface coverage has chromium coating, and hardness is higher, and abrasion resistance is good, long service life;
(2) the Reducing screw spring move up and down with sucker rod process the time, the enlarged diameter section helical spring is wiped the wax that condenses on the oil pipe off, has prevented the oil pipe obstruction;
(3) simple in structure, the easy installation and removal of Reducing screw spring.
Description of drawings
Fig. 1 is use state diagram of the present utility model;
One of Fig. 2 structural representation of the present utility model;
Fig. 3 is two of structural representation of the present utility model;
Fig. 4 is three of structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Implement 1:Referring to a kind of Reducing screw spring for pumpingh well oil pipe wax removal illustrated in figures 1 and 2, comprise body 1, described body is the helical spring that elastic wire is made, be engaged on the sucker rod 2 in the pumpingh well, corresponding with the oil pipe 3 in being located at pumpingh well, described body 1 is linked to each other with enlarged diameter section helical spring 1-2 by reduced diameter section helical spring 1-1 and constitutes, the internal diameter of described reduced diameter section helical spring 1-1 is slightly less than the diameter of described sucker rod 2, and the external diameter of described enlarged diameter section helical spring 1-2 is slightly less than the internal diameter of described oil pipe 3.The middle part of described body 1 is described enlarged diameter section helical spring 1-2, and both ends are respectively described reduced diameter section helical spring 1-1, and described body 1 is that circular elastic wire is made by the cross section.Surface coverage at described body has chromium coating.
Embodiment 2:Referring to a kind of Reducing screw spring for pumpingh well oil pipe wax removal shown in Figure 3, comprise body 1, described body is the helical spring that elastic wire is made, be engaged on the sucker rod 2 in the pumpingh well, corresponding with the oil pipe 3 in being located at pumpingh well, described body 1 is linked to each other with enlarged diameter section helical spring 1-2 by reduced diameter section helical spring 1-1 and constitutes, the internal diameter of described reduced diameter section helical spring 1-1 is slightly less than the diameter of described sucker rod 2, and the external diameter of described enlarged diameter section helical spring 1-2 is slightly less than the internal diameter of described oil pipe 3.The middle part of described body 1 is described reduced diameter section helical spring 1-1, and both ends are respectively described enlarged diameter section helical spring 1-2.Described body 1 is that circular elastic wire is made by the cross section.Surface coverage at described body has chromium coating.
Embodiment 3:Referring to a kind of Reducing screw spring for pumpingh well oil pipe wax removal shown in Figure 4, comprise body 1, described body is the helical spring that elastic wire is made, be engaged on the sucker rod 2 in the pumpingh well, corresponding with the oil pipe 3 in being located at pumpingh well, described body 1 is linked to each other with enlarged diameter section helical spring 1-2 by reduced diameter section helical spring 1-1 and constitutes, the internal diameter of described reduced diameter section helical spring 1-1 is slightly less than the diameter of described sucker rod 2, and the external diameter of described enlarged diameter section helical spring 1-2 is slightly less than the internal diameter of described oil pipe 3.Described body 1 is two sections described reduced diameter section helical spring 1-1 and two sections alternate connecting and composing of described enlarged diameter section helical spring 1-2.Described body 1 is that circular elastic wire is made by the cross section.Surface coverage at described body has chromium coating.
Embodiment 4:The cross section of the body 1 in this example is oval, and all the other are identical with embodiment 1.
Embodiment 5:The cross section of the body 1 in this example is polygon, and all the other are identical with embodiment 1.
Embodiment 6:The cross section of the body 1 in this example is oval, and all the other are identical with embodiment 1.
Embodiment 7:The cross section of the body 1 in this example is polygon, and all the other are identical with embodiment 1.
Embodiment 8:The cross section of the body 1 in this example is oval, and all the other are identical with embodiment 1.
Embodiment 9:The cross section of the body 1 in this example is polygon, and all the other are identical with embodiment 1.
Referring to shown in Figure 1, during use the Reducing screw spring is wrapped on the sucker rod 2 along hand of spiral location, the stroke distances in sucker rod 2 every intervals is installed a Reducing screw spring, reduced diameter section helical spring 1-1 tightly embraces on sucker rod 2, guarantee that the Reducing screw spring is not subjected to displacement on sucker rod 2, enlarged diameter section helical spring 1-2 removes the wax that oil pipe 3 condenses in the process that sucker rod moves up and down, avoided the oil flow channel obstruction.The Reducing screw spring is made by elastic wire, and its surface coverage has chromium coating, and is in use not easy to wear.

Claims (6)

1. Reducing screw spring that is used for pumpingh well oil pipe wax removal, comprise body (1), described body is the helical spring that elastic wire is made, and is engaged on the sucker rod (2) in the pumpingh well, corresponding with the oil pipe (3) in being located at pumpingh well, it is characterized in that:
Described body (1) is by reduced diameter section helical spring (1-1) formation that links to each other with enlarged diameter section helical spring (1-2), the internal diameter of described reduced diameter section helical spring (1-1) is slightly less than the diameter of described sucker rod (2), and the external diameter of described enlarged diameter section helical spring (1-2) is slightly less than the internal diameter of described oil pipe (3).
2. a kind of Reducing screw spring for pumpingh well oil pipe wax removal according to claim 1, it is characterized in that: the middle part of described body (1) is described enlarged diameter section helical spring (1-2), both ends are respectively described reduced diameter section helical spring (1-1).
3. a kind of Reducing screw spring for pumpingh well oil pipe wax removal according to claim 1, it is characterized in that: the middle part of described body (1) is described reduced diameter section helical spring (1-1), both ends are respectively described enlarged diameter section helical spring (1-2).
4. a kind of Reducing screw spring for pumpingh well oil pipe wax removal according to claim 1 is characterized in that: described body (1) is two sections described reduced diameter section helical springs (1-1) and alternate the connecting and composing of two sections described enlarged diameter section helical springs (1-2).
5. according to claim 1,2,3 or 4 described a kind of Reducing screw springs for pumpingh well oil pipe wax removal, it is characterized in that: described body (1) is circular, oval by the cross section or polygonal elastic wire is made.
6. according to claim 1,2,3 or 4 described a kind of Reducing screw springs for pumpingh well oil pipe wax removal, it is characterized in that: the surface coverage at described body (1) has chromium coating.
CN 201320194041 2013-04-17 2013-04-17 Diameter-changing spiral spring for pumping well oil tube paraffin removal Expired - Fee Related CN203188974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320194041 CN203188974U (en) 2013-04-17 2013-04-17 Diameter-changing spiral spring for pumping well oil tube paraffin removal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320194041 CN203188974U (en) 2013-04-17 2013-04-17 Diameter-changing spiral spring for pumping well oil tube paraffin removal

Publications (1)

Publication Number Publication Date
CN203188974U true CN203188974U (en) 2013-09-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320194041 Expired - Fee Related CN203188974U (en) 2013-04-17 2013-04-17 Diameter-changing spiral spring for pumping well oil tube paraffin removal

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CN (1) CN203188974U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103233701A (en) * 2013-04-17 2013-08-07 罗绍东 Reduction spiral spring for tubing paraffin removal of pumping well
WO2019147398A1 (en) * 2018-01-29 2019-08-01 Baker Hughes, A Ge Company, Llc Coiled tubing power cable with varying inner diameter
GB2572367A (en) * 2018-03-27 2019-10-02 Expro North Sea Ltd A wax cutting tool for removing wax from an oil well tubing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103233701A (en) * 2013-04-17 2013-08-07 罗绍东 Reduction spiral spring for tubing paraffin removal of pumping well
WO2019147398A1 (en) * 2018-01-29 2019-08-01 Baker Hughes, A Ge Company, Llc Coiled tubing power cable with varying inner diameter
GB2583872A (en) * 2018-01-29 2020-11-11 Baker Hughes Holdings Llc Coiled tubing power cable with varying inner diameter
US11053752B2 (en) 2018-01-29 2021-07-06 Baker Hughes, A Ge Company, Llc Coiled tubing power cable with varying inner diameter
GB2572367A (en) * 2018-03-27 2019-10-02 Expro North Sea Ltd A wax cutting tool for removing wax from an oil well tubing

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130911

Termination date: 20140417

C17 Cessation of patent right