CN204571934U - A kind of sucker rod oil-scraping device - Google Patents
A kind of sucker rod oil-scraping device Download PDFInfo
- Publication number
- CN204571934U CN204571934U CN201520109773.3U CN201520109773U CN204571934U CN 204571934 U CN204571934 U CN 204571934U CN 201520109773 U CN201520109773 U CN 201520109773U CN 204571934 U CN204571934 U CN 204571934U
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- China
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- frizing
- inner core
- blob
- viscose
- sucker rod
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Abstract
The utility model provides a kind of sucker rod oil-scraping device, this device comprises frizing inner core, frizing blob of viscose, the internal diameter of described frizing inner core can allow rod collar to pass through, frizing inner core is offered porose, described frizing blob of viscose is arranged on the hole place that frizing inner core is offered, and stretches in frizing inner core the outer wall abutted to sucker rod and beam hanger box cupling.The hole that described frizing inner core is offered is for different much higher to design, and described perforate number should be not right lower than 3; The projection of all perforates on direction, inner core circular section can form a full circle, allows projection overlapping.Outside described frizing inner core, cover has frizing urceolus, and arrange stage clip at frizing outer tube inner wall, the front end of stage clip is connected to the outboard end of frizing blob of viscose.The utility model realizes tripping out in sucker rod process and carrying out frizing operation, has blob of viscose replacement frequency and reduces, extends blob of viscose application life, avoids the features such as environment pollution.
Description
Technical field
The utility model relates to the greasy dirt doctoring technique on oil pumping in oil fields bar, specifically a kind of sucker rod oil-scraping device.
Background technology
When carrying out workover treatment, need to trip out sucker rod.In order to prevent the pollution of the environment and prevent foul from entering pump line, need the greasy dirt on sucker rod to scrape off.Conventional frizing mode has two kinds, and one be pumping rod self seal frizing, but due to sucker rod body and box cupling external diameter difference greatly, therefore when box cupling passes through self-styled, pumping rod self seal is fragile; Another kind of conventional method is: on sucker rod, overlap a knot, carrying in sucker rod process, manually catching hold of knot, scraping off the crude oil on sucker rod.This kind of method danger is large especially.Therefore invention one is needed can to adapt to the change of sucker rod external diameter, sucker rod oil-scraping device is easily installed.
Utility model content
The purpose of this utility model is to provide a kind of sucker rod oil-scraping device, realizes tripping out in sucker rod process and carrying out frizing operation, has blob of viscose replacement frequency and reduces, extends blob of viscose application life, avoids the features such as environment pollution.
The purpose of this utility model realizes by following technical measures:
This sucker rod oil-scraping device comprises frizing inner core, frizing blob of viscose, the internal diameter of described frizing inner core can allow rod collar to pass through, frizing inner core is offered porose, described frizing blob of viscose is arranged on the hole place that frizing inner core is offered, and stretches in frizing inner core the outer wall abutted to sucker rod and beam hanger box cupling.
The purpose of this utility model also realizes by following technical measures:
The hole that described frizing inner core is offered is for different much higher to design, and two perforates of each centering are relative between two, and namely each is to the height of perforate on stack shell axis direction and position consistency; But each follows other perforates inconsistent along the position on stack shell axis direction to perforate; Described perforate number should be not right lower than 3; The projection of all perforates on direction, inner core circular section can form a full circle, allows projection overlapping; Described frizing blob of viscose can move along the radial direction in the hole offered of frizing inner core; Frizing blob of viscose is wedge structure, and medial extremity is the oil-scraper face of arc; Outside described frizing inner core, cover has frizing urceolus, and arrange stage clip at frizing outer tube inner wall, the front end of stage clip is connected to the outboard end of frizing blob of viscose; The height that the height in the hole that described frizing inner core is offered is greater than the medial extremity of frizing blob of viscose is less than the height of the outboard end of frizing blob of viscose simultaneously; Screw thread is arranged at the bottom of described frizing inner core, and is connected with threeway.
The utility model has following beneficial effect:
(1) adopt multipair frizing blob of viscose spatially to form full circle and carry out frizing, compared with pumping rod self seal frizing, reduce blob of viscose replacement frequency;
(2) stage clip can make frizing blob of viscose step down along with radial direction is carried out in the change of sucker rod external diameter, extends blob of viscose application life;
(3) oil scraped directly falls in Hui Jing, avoids environment pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 and Fig. 4 is respectively front view and the top view of frizing inner core;
Fig. 5 and Fig. 6 is respectively front view and the top view of frizing blob of viscose.
In figure, 1. sucker rod body, 2. frizing urceolus, 3. frizing inner core, 4. rod collar, 5. frizing blob of viscose, 6. stage clip.
Detailed description of the invention
Be described further with reference to the accompanying drawings.
According to Fig. 1-6, the frizing urceolus 2 of this sucker rod oil-scraping device is threaded with frizing inner core 3, and the internal diameter of frizing inner core 3 can allow rod collar 4 to pass through; Screw thread is arranged at the bottom of frizing inner core 3, can be connected with threeway; The stack shell of frizing inner core 3 is provided with some perforates, and perforate is relative between two, and each is to the height of perforate on stack shell axis direction and position consistency, but each to perforate with other perforates inconsistent along the position on stack shell axis direction; Perforate number can need to make adjustment with scene, in general should be not right lower than 3; But for ensureing frizing effect, the projection of all perforates on direction, inner core circular section can form a full circle, allow projection overlapping, as shown in Figure 3.
Frizing blob of viscose 5 is arranged on the tapping of sucker rod inner core, can move along the radial direction of frizing inner core 3; Frizing blob of viscose 5 is wedge structure, side is the oil-scraper face of arc, the height of the perforate of the aspect ratio frizing inner core 2 of oil-scraper face is little, opposite side is connected with stage clip 6, the height of the perforate of the aspect ratio frizing inner core 2 of this side wants large, therefore, it is possible to ensure that frizing blob of viscose 5 can not fall in well when carrying out frizing operation; The design of wedge shape serves rod collar guide effect simultaneously, reduces the damage of the oil-scraper face to frizing blob of viscose 5.The arc oil-scraper face of frizing blob of viscose 5, what its design radian can meet different size sucker rod and rod collar scrapes oil require.
Stage clip 6 is between frizing blob of viscose 5 and frizing urceolus 2, and effect all the time frizing blob of viscose 5 is pressed to sucker rod and rod collar, ensures frizing effect.
When having carried out sucker rod operation, this device is arranged on wellhead tee joint.When sucker rod is by frizing inner core 3, multipair frizing blob of viscose 5 can carry out frizing to sucker rod successively, because frizing blob of viscose 5 is relative between two, when therefore often pair of frizing blob of viscose 5 carries out frizing, be applied to and sucker rod is equilibrant force, can not cause and cause eccentric wear because of sucker rod unbalance stress.When rod collar 4 is by frizing blob of viscose 5, under the effect of stage clip 6, frizing blob of viscose 5 can be followed successively by rod collar 4 from bottom to up and step down; When rod collar 4 is by after frizing blob of viscose 5, under the effect of stage clip 6, frizing blob of viscose 5 resets.Stage clip 6 can ensure that frizing blob of viscose 5 is fitted the sucker rod of various outer diameter and box cupling all the time.Due to the wedge structure of frizing blob of viscose 5, frizing blob of viscose 5 can not be extruded and fall in well.
The foregoing is only preferred embodiment of the present utility model, be not used to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (7)
1. a sucker rod oil-scraping device, it is characterized in that it comprises frizing inner core, frizing blob of viscose, the internal diameter of described frizing inner core can allow rod collar to pass through, frizing inner core is offered porose, described frizing blob of viscose is arranged on the hole place that frizing inner core is offered, and stretches in frizing inner core the outer wall abutted to sucker rod and beam hanger box cupling.
2. a kind of sucker rod oil-scraping device according to claim 1, it is characterized in that the hole that described frizing inner core is offered is for different much higher to design, two perforates of each centering are relative between two, and namely each is to the height of perforate on stack shell axis direction and position consistency; But each follows other perforates inconsistent along the position on stack shell axis direction to perforate.
3. a kind of sucker rod oil-scraping device according to claim 2, is characterized in that described perforate number should be not right lower than 3; The projection of all perforates on direction, inner core circular section can form a full circle, allows projection overlapping.
4. a kind of sucker rod oil-scraping device according to claim 1, is characterized in that described frizing blob of viscose can move along the radial direction in the hole offered of frizing inner core; Frizing blob of viscose is wedge structure, and medial extremity is the oil-scraper face of arc.
5. a kind of sucker rod oil-scraping device according to claim 4, it is characterized in that outside described frizing inner core, cover has frizing urceolus, arrange stage clip at frizing outer tube inner wall, the front end of stage clip is connected to the outboard end of frizing blob of viscose.
6. a kind of sucker rod oil-scraping device according to claim 5, is characterized in that height that the height in the hole that described frizing inner core is offered is greater than the medial extremity of frizing blob of viscose is less than the height of the outboard end of frizing blob of viscose simultaneously.
7. a kind of sucker rod oil-scraping device according to claim 1, is characterized in that screw thread is arranged at the bottom of described frizing inner core, and is connected with threeway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109773.3U CN204571934U (en) | 2015-02-15 | 2015-02-15 | A kind of sucker rod oil-scraping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109773.3U CN204571934U (en) | 2015-02-15 | 2015-02-15 | A kind of sucker rod oil-scraping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204571934U true CN204571934U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520109773.3U Expired - Fee Related CN204571934U (en) | 2015-02-15 | 2015-02-15 | A kind of sucker rod oil-scraping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204571934U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986782A (en) * | 2015-02-15 | 2016-10-05 | 中国石油化工股份有限公司 | Pumping rod oil scraping device and method |
| CN107470283A (en) * | 2017-07-20 | 2017-12-15 | 成都聚深科技有限责任公司 | The paraffin removal equipment of well head nondestructive inspection |
-
2015
- 2015-02-15 CN CN201520109773.3U patent/CN204571934U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986782A (en) * | 2015-02-15 | 2016-10-05 | 中国石油化工股份有限公司 | Pumping rod oil scraping device and method |
| CN105986782B (en) * | 2015-02-15 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of sucker rod oil-scraping device and method |
| CN107470283A (en) * | 2017-07-20 | 2017-12-15 | 成都聚深科技有限责任公司 | The paraffin removal equipment of well head nondestructive inspection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |