CN210714607U - Oil wiper of sucker rod - Google Patents

Oil wiper of sucker rod Download PDF

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Publication number
CN210714607U
CN210714607U CN201921077422.3U CN201921077422U CN210714607U CN 210714607 U CN210714607 U CN 210714607U CN 201921077422 U CN201921077422 U CN 201921077422U CN 210714607 U CN210714607 U CN 210714607U
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China
Prior art keywords
oil
sucker rod
oil wiper
core
rubber core
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Active
Application number
CN201921077422.3U
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Chinese (zh)
Inventor
孙立超
王德伟
贾财华
段效威
韩松
严文玲
郭立娜
朱海东
曾庆寨
郭玉山
隋福东
李新
刘全和
邱红征
陶俊
付尧
单祥斌
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The utility model relates to a sucker rod oil wiper, its cover that can slide is established on the sucker rod to fix in the well head top, this sucker rod oil wiper includes casing, elastic rubber tube and scrapes the oil rubber core, the casing elastic rubber tube with it is vertical tubular structure to scrape the oil rubber core, the sucker rod passes scrape the oil through-hole on the oil rubber core, just scrape the oil rubber core the inner wall with the outer wall of sucker rod is laminated mutually, the fixed cover of elastic rubber tube is established the outside of scraping the oil rubber core, the fixed cover of casing is established the outside of elastic rubber tube, just the elastic rubber tube with it all is in radial compression state to scrape the oil rubber core. The utility model provides a not good technical problem of sucker rod oil wiper frizing effect.

Description

Oil wiper of sucker rod
Technical Field
The utility model relates to an oil field downhole tool field especially relates to a sucker rod oil wiper.
Background
In the oil well operation process, it is the essential construction process when the oil well is maintained to play the sucker rod, and when the adnexed crude oil volume of sucker rod outer wall was too much, the crude oil of adhesion on the sucker rod can drop to subaerial, causes the pollution to the environment, brings inconvenience for normal construction moreover.
At the present stage, the operation site uses and sets up rubber core in the sucker rod oil wiper and strikes off the crude oil on the sucker rod, because the coupling of sucker rod is different with the diameter of sucker rod, the inner wall of rubber core constantly bumps through scraping of many sucker rods and coupling, the friction in the oil scraping in-process, cause wearing and tearing and destruction to rubber core's inner wall very easily, the inner wall of rubber core after the damage can't fully laminate with the outer wall of sucker rod, the oil scraping effect seriously descends, during the operation have to stop work and change rubber core, change every time and all dismantle, the oil wiper of switching, waste time and energy, influence the construction progress, increase staff intensity of labour, bring the potential safety hazard for the construction simultaneously.
Aiming at the problem of poor oil scraping effect of an oil scraper of a sucker rod in the related art, an effective solution is not provided at present.
Therefore, the utility model discloses the experience and the practice that people relied on to undertake relevant trade for many years provides an oil scraper of sucker rod to overcome prior art's defect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sucker rod oil wiper, the cover that can slide is established on the sucker rod, when playing out the sucker rod operation, can increase the radial pressure of oil scraping rubber core to the sucker rod through the elastic rubber section of thick bamboo, guarantees that the inner wall of oil scraping rubber core closely laminates with the outer wall of sucker rod, improves oil scraping efficiency, reduces the change number of times of oil scraping rubber core, and easy to assemble dismantles, reduces staff's intensity of labour, guarantees construction safety.
The purpose of the utility model can be realized by adopting the following technical scheme:
the utility model provides a sucker rod oil wiper, the cover that can slide is established on the sucker rod to fix in the well head top, this sucker rod oil wiper includes casing, elastic rubber tube and scrapes the oil rubber core, the casing elastic rubber tube with it is vertical tubular structure to scrape the oil rubber core, the sucker rod passes scrape the oil through-hole on the oil rubber core, just scrape the oil rubber core the inner wall with the outer wall of sucker rod is laminated mutually, the fixed cover of elastic rubber tube is established the outside of scraping the oil rubber core, the fixed cover of casing is established the outside of elastic rubber tube, just the elastic rubber tube with it all is in radial compression state to scrape the oil rubber core.
The present invention provides a preferred embodiment, the oil scraping rubber core comprises a first oil scraping flap and a second oil scraping flap which are vertically disposed, the cross section of the first oil scraping flap and the cross section of the second oil scraping flap are both arc-shaped, and the first oil scraping flap and the second oil scraping flap are spliced to form a vertical tubular structure.
In a preferred embodiment of the present invention, the side edge of the first oil scraping flap and the side edge of the second oil scraping flap are butted to form the oil scraping rubber core, and the oil scraping through hole is located between the inner wall of the first oil scraping flap and the inner wall of the second oil scraping flap.
The utility model discloses an in the preferred embodiment, the sucker rod oil scraper still includes the clamp, upward set up the confession on the clamp the first through-hole that the sucker rod passed, first through-hole with the integrative lining up of oil scraping through-hole, the bottom of going up the clamp with the top fixed connection of casing.
In a preferred embodiment of the present invention, the upper clamp and the housing are fixedly connected by a screw thread.
The utility model discloses an among the preferred embodiment, the sucker rod oil scraper still includes lower clamp, the confession has been seted up on the clamp down the second through-hole that the sucker rod passed, the second through-hole with the oil scraping through-hole is integrative to have a perfect understanding, the top of clamp down with the bottom fixed connection of casing, the bottom and the well head main gate fixed connection of clamp down.
In a preferred embodiment of the present invention, the lower clamp is fixedly connected to the housing through a screw thread; the lower clamp is fixedly connected with the wellhead main gate through slips.
In a preferred embodiment of the present invention, the inner diameter of the elastic rubber tube is smaller than the outer diameter of the oil scraping rubber core.
In a preferred embodiment of the present invention, the housing is made of steel.
In a preferred embodiment of the present invention, the elastic rubber cylinder and the oil scraping rubber core are made of rubber.
From top to bottom, the utility model discloses a sucker rod oil wiper's characteristics and advantage are: the outer side at the sucker rod is established through the cover of frizing through-hole to the frizing rubber core, the inner wall of frizing rubber core laminates with the outer wall of sucker rod mutually, the fixed cover in the outside of frizing rubber core is equipped with the elastic rubber section of thick bamboo, the fixed cover in the outside of elastic rubber section of thick bamboo is equipped with the casing, elastic rubber section of thick bamboo and frizing rubber core all are in radial compression state, when playing out the sucker rod operation, evenly exert radial pressure on the outer wall of frizing rubber core through the elastic rubber section of thick bamboo, thereby compress the frizing rubber core, make the inner wall of frizing rubber core and the inseparabler laminating of the outer wall of sucker rod, even wearing and tearing appear in the inner wall of frizing rubber core, under the pressure effect of elastic rubber section of thick bamboo, the frizing rubber core can guarantee good frizing effect, improve frizing efficiency, the life of extension frizing.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1: is a perspective view of the oil wiper of the sucker rod of the utility model.
FIG. 2: does the transverse section view of the oil wiper of the utility model.
FIG. 3: is the longitudinal section view of the oil wiper of the utility model.
The utility model provides a reference numeral: 1. a housing; 2. an upper hoop; 201. a first through hole; 3. a lower hoop; 301. a second through hole; 4. an elastic rubber cylinder; 5. a grease scraping rubber core; 501. a scraping oil through hole; 502. a first oil scraping flap; 503. a second oil scraping flap.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model provides an oil wiper for sucker rod, the cover that this oil wiper for sucker rod can slide is established on the sucker rod to fix in the well head top, strike off the crude oil of adhesion on the sucker rod outer wall along with the play-out of sucker rod. This sucker rod oil wiper includes casing 1, elastic rubber tube 4 and frictioning core 5, casing 1, elastic rubber tube 4 and frictioning core 5 are the cylindric structure that sets up along vertical direction, the middle part of frictioning core 5 is for running through whole frictioning core 5's frizing through-hole 501 from top to bottom, the sucker rod can slide pass frizing through-hole 501, and the inner wall of frictioning core 5 closely laminates with the outer wall of sucker rod, the fixed cover of elastic rubber tube 4 is established in the outside of frictioning core 5, and the inner wall of elastic rubber tube 4 closely laminates with the outer wall of frictioning core 5, the fixed cover of casing 1 is established in elastic rubber tube 4's the outside, and the inner wall of casing 1 closely laminates with elastic rubber tube 4's outer wall, elastic rubber tube 4 and frictioning core 5 all are in radial compression state. When having played out the sucker rod operation, the utility model discloses an elastic rubber tube 4 evenly exerts radial pressure on the outer wall of frictioning core 5, thereby compress frictioning core 5, make the inseparabler laminating of inner wall of frictioning core 5 and the outer wall of sucker rod, even wearing and tearing appear in the inner wall of frictioning core 5, under elastic rubber tube 4's pressure effect, the inner wall of frictioning core 5 still can keep with the inseparable laminating state of sucker rod outer wall, and then guarantee good frizing effect, improve frizing efficiency, the life of extension frictioning core 5, guarantee construction safety.
Further, as shown in fig. 2, the oil scraping rubber core 5 includes a first oil scraping flap 502 and a second oil scraping flap 503, the first oil scraping flap 502 and the second oil scraping flap 503 are both disposed along a vertical direction, cross sections of the first oil scraping flap 502 and the second oil scraping flap 503 are both arc-shaped, and the first oil scraping flap 502 and the second oil scraping flap 503 are spliced to form a vertical cylindrical structure of the oil scraping rubber core 5. Divide into first frizing lamella 502 and second frizing lamella 503 with frizing rubber core 5, the installation and the dismantlement of being convenient for appear seriously wearing and tearing or under the condition of damaging at frizing rubber core 5, the staff can change frizing rubber core 5 fast, labour saving and time saving reduces staff's intensity of labour.
Specifically, the side edge of the first oil scraping flap 502 is butted with the side edge of the second oil scraping flap 503 to form the oil scraping rubber core 5, and the oil scraping through hole 501 is located between the inner wall of the first oil scraping flap 502 and the inner wall of the second oil scraping flap 503.
As shown in fig. 1 and 3, the oil wiper for the sucker rod further comprises an upper hoop 2, a first through hole 201 for the sucker rod to pass through is formed in the middle of the upper hoop 2, the first through hole 201 penetrates through the whole upper hoop 2 from top to bottom, the first through hole 201 is integrally communicated with an oil scraping through hole 501, and the bottom of the upper hoop 2 is connected with the top of the shell 1 through a screw thread. When changing the frictioning rubber core 5, the accessible is dismantled and is gone up clamp 2 and take out and put into new frictioning rubber core 5 with frictioning rubber core 5 from the inside of casing 1, convenient and fast, the operation of being convenient for.
As shown in fig. 1 and 3, the oil wiper for the sucker rod further comprises a lower hoop 3, a second through hole 301 for the sucker rod to pass through is formed in the middle of the lower hoop 3, the second through hole 301 penetrates through the whole lower hoop 3 from top to bottom, the second through hole 301 is integrally communicated with an oil scraping through hole 501, the top of the lower hoop 3 is connected with the bottom of the shell 1 through a screw thread, and the bottom of the lower hoop 3 is fixedly connected with a main gate of a wellhead through a slip. Guarantee through lower clamp 3 that to the firm fixed of casing 1, and then guarantee to strike off the effect to crude oil is good.
Further, the internal diameter of elastic rubber tube 4 is less than the external diameter of frictioning rubber core 5, and elastic rubber tube 4 cover is established in the outside of frictioning rubber core 5, and the produced elasticity of elastic rubber tube 4 deformation changes into the pressure to frictioning rubber core 5, further improves the pressure of frictioning rubber core 5 to the sucker rod outer wall, guarantees the good effect of scraping to crude oil.
Further, the housing 1 may be made of, but not limited to, steel.
Further, the elastic rubber cylinder 4 and the oil scraping rubber core 5 can be made of, but not limited to, rubber.
The utility model discloses sucker rod oil wiper is in the assembling process, at last clamp 2 with under clamp 3 all with casing 1 connected state, at first open last clamp 2 and will scrape the oil blanket core 5 and take out from casing 1, establish the outside at the sucker rod with casing 1, elastic rubber section of thick bamboo 4 and 3 whole covers of lower clamp to slide to well head main gate position along the sucker rod, will pass through slips fixed connection with well head main gate down clamp 3 again. Subsequently, establish the outside at the sucker rod with the rubber core 5 cover of scraping oil to in the rubber core 5 embedding casing 1 of will scraping oil, make the inner wall of the rubber core 5 of scraping oil closely laminate with the outer wall of sucker rod, the outer wall of the rubber core 5 of scraping oil closely laminates with the inner wall of elastic rubber section of thick bamboo 4, elastic rubber section of thick bamboo 4 can provide radial pressure to the rubber core 5 of scraping oil all the time, guarantee sealed frizing effect, the life of extension rubber core 5 of scraping oil, will go up clamp 2 and casing 1 fixed connection after the rubber core 5 of scraping oil is installed. Staff can change the frictioning rubber core 5 when the frizing effect is not good through observing the former oil mass of adhesion on the sucker rod in the course of the work. When changing the frictioning core 5, only need open clamp 2, take out the frictioning core 5 of damage, install clamp 2 after installing new frictioning core 5, can continue to play the sucker rod operation.
The utility model discloses sucker rod oil wiper's characteristics and advantage are:
in this sucker rod oil wiper, the oil scraping rubber core 5 is sleeved on the outside of the sucker rod through the oil scraping through hole 501, the inner wall of the oil scraping rubber core 5 is attached to the outer wall of the sucker rod, the elastic rubber cylinder 4 is fixedly sleeved on the outer side of the oil scraping rubber core 5, the casing 1 is fixedly sleeved on the outer side of the elastic rubber cylinder 4, the elastic rubber cylinder 4 and the oil scraping rubber core 5 are both in a radial compression state, when the sucker rod is operated, radial pressure is uniformly applied to the outer wall of the oil scraping rubber core 5 through the elastic rubber cylinder 4, the oil scraping rubber core 5 is compressed, so that the inner wall of the oil scraping rubber core 5 is more closely attached to the outer wall of the sucker rod, even if the inner wall of the oil scraping rubber core 5 is worn, under the pressure effect of the elastic rubber cylinder 4, the oil scraping rubber core 5 can guarantee a good oil scraping effect, the oil scraping efficiency is improved, the service life of the oil scraping rubber core 5 is prolonged, and construction.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims (10)

1. The oil wiper for the sucker rod is characterized by comprising a shell (1), an elastic rubber cylinder (4) and an oil scraping rubber core (5), wherein the shell (1), the elastic rubber cylinder (4) and the oil scraping rubber core (5) are of a vertical tubular structure, the sucker rod penetrates through an oil scraping through hole (501) in the oil scraping rubber core (5), the inner wall of the oil scraping rubber core (5) is attached to the outer wall of the sucker rod, the elastic rubber cylinder (4) is fixedly sleeved on the outer side of the oil scraping rubber core (5), the shell (1) is fixedly sleeved on the outer side of the elastic rubber cylinder (4), and the elastic rubber cylinder (4) and the oil scraping rubber core (5) are both in a radial compression state.
2. The sucker rod oil wiper according to claim 1, characterized in that the oil wiper core (5) comprises a first oil wiper blade (502) and a second oil wiper blade (503) which are vertically arranged, the cross sections of the first oil wiper blade (502) and the second oil wiper blade (503) are both arc-shaped, and the first oil wiper blade (502) and the second oil wiper blade (503) are spliced to form a vertical cylindrical structure.
3. The sucker rod oil wiper according to claim 2, characterized in that the side edges of the first oil wiper lobe (502) and the second oil wiper lobe (503) are butted to form the oil wiper core (5), and the oil wiping through hole (501) is located between the inner wall of the first oil wiper lobe (502) and the inner wall of the second oil wiper lobe (503).
4. The sucker rod oil wiper according to claim 1, characterized in that the sucker rod oil wiper further comprises an upper clamp (2), the upper clamp (2) is provided with a first through hole (201) for the sucker rod to pass through, the first through hole (201) is integrally communicated with the oil wiping through hole (501), and the bottom of the upper clamp (2) is fixedly connected with the top of the housing (1).
5. The sucker rod oil wiper according to claim 4, characterized in that the upper clamp (2) is fixedly connected with the housing (1) through screw threads.
6. The sucker rod oil wiper according to claim 1, characterized in that the sucker rod oil wiper further comprises a lower clamp (3), a second through hole (301) for the sucker rod to pass through is formed in the lower clamp (3), the second through hole (301) is integrally communicated with the oil scraping through hole (501), the top of the lower clamp (3) is fixedly connected with the bottom of the shell (1), and the bottom of the lower clamp (3) is fixedly connected with a wellhead main gate.
7. The sucker rod oil wiper according to claim 6, characterized in that the lower clamp (3) is fixedly connected with the shell (1) through screw threads; the lower clamp (3) is fixedly connected with the wellhead main gate through slips.
8. The sucker rod oil wiper according to claim 1, characterized in that the inner diameter of the elastic rubber cylinder (4) is smaller than the outer diameter of the oil wiper core (5).
9. The sucker rod oil wiper according to claim 1, characterized in that the housing (1) is made of steel.
10. The sucker rod oil wiper according to claim 1, characterized in that the elastic rubber cylinder (4) and the oil wiping rubber core (5) are made of rubber.
CN201921077422.3U 2019-07-10 2019-07-10 Oil wiper of sucker rod Active CN210714607U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921077422.3U CN210714607U (en) 2019-07-10 2019-07-10 Oil wiper of sucker rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921077422.3U CN210714607U (en) 2019-07-10 2019-07-10 Oil wiper of sucker rod

Publications (1)

Publication Number Publication Date
CN210714607U true CN210714607U (en) 2020-06-09

Family

ID=70960093

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921077422.3U Active CN210714607U (en) 2019-07-10 2019-07-10 Oil wiper of sucker rod

Country Status (1)

Country Link
CN (1) CN210714607U (en)

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