CN1065119A - Rotary wax wiper - Google Patents
Rotary wax wiper Download PDFInfo
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- CN1065119A CN1065119A CN 92100228 CN92100228A CN1065119A CN 1065119 A CN1065119 A CN 1065119A CN 92100228 CN92100228 CN 92100228 CN 92100228 A CN92100228 A CN 92100228A CN 1065119 A CN1065119 A CN 1065119A
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- housing
- lock shaft
- lock tube
- lock
- spring
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Abstract
A kind of rotary wax wiper that is used for the whale wax removal comprises lock tube, housing, compression spring, goes up lock shaft, steel ball, energy-stored spring, upper reset spring, paraffin scraper, upper connecting rod, tooth bar, gear valve plate, lower link, lock shaft, lock tube, back-moving spring etc. down down down; Rotary wax wiper has delicate structure, volume is little, easy and simple to handle,, safe in utilization, do not need additionaling power, do not increase wellhead equipment, be convenient to automatic management, characteristics such as can be adapted at using in all kinds of flowing wells.
Description
The present invention relates to the paraffin scraper that the oil field flowing well is used to remove wax deposition in the oil pipe, particularly only rely on oil well energy, do not need the automatic scraper of additionaling power.
Petro chemical industry publishing house publish " dewaxing method that discloses a kind of whale in the oil recovery technique handbook is: with steel wire fried dough twist formula paraffin bit or paraffin scraper are lowered in the oil pipe, put by putting in hand or the electric winch timing, wipe the wax deposition on the tubing wall off, keep the oil well ordinary production; The shortcoming of this dewaxing method is that labor intensity of operating staff is big, inefficiency, wellhead assembly is complicated and down-hole accident easily takes place.
The objective of the invention is provides a kind of safe and reliable, wellhead equipment is simple, labor intensity of operating staff is low, work efficiency is high wax removal instrument for flowing well production.
The objective of the invention is to realize: design a kind of rotary wax wiper that is used for the flowing well wax removal by following measure, comprise lock tube, housing, compression spring, go up lock shaft, steel ball, energy-stored spring, upper reset spring, paraffin scraper, upper connecting rod, tooth bar, gear valve plate, lower link, lock shaft, lock tube, back-moving spring etc. down down down, it is characterized in that:
1. housing is a long barrel structure, is processed with oily discharge orifice road on the tube wall, and its upper/lower terminal respectively has one section undergauge, and the undergauge section all is processed with lockhole;
2. lock tube in the socket of undergauge section on the housing, lock tube under the socket of following undergauge section, on its outer wall paraffin scraper is housed, the gear valve plate is installed on the housing inner tubal wall, also be installed in the housing by last lock shaft, upper connecting rod, tooth bar, lower link and the slide mass that following lock shaft assembles successively, and the rack and pinion valve plate is meshed, and in the lockhole of the upper and lower undergauge section of housing steel ball is housed;
3. go up between lock tube and the last lock shaft compression spring is housed, upper connecting rod is set with energy-stored spring outward below the last lock shaft, is set with upper reset spring on the housing outer wall of last lock tube lower end, between following lock tube and the housing back-moving spring is housed down.
Purpose of the present invention can also realize by following measure:
1. going up lock tube, descending lock tube respectively is the tubular-shaped structures that end sealing, the other end have one section undergauge;
2. going up lock shaft, descending lock shaft respectively is a cylindrical structure, and its middle part is processed with hemispherical groove;
3. the gear valve plate is an assembly that is connected by gear, valve plate and axle.
Fig. 1 is rotary wax wiper profile and structural representation.
Rotary wax wiper is by last lock tube (1), housing (2), compression spring (3), goes up lock shaft (4), steel ball (5), energy-stored spring (6), upper reset spring (7), paraffin scraper (8), upper connecting rod (9), tooth bar (10), gear valve plate (11), lower link (12), following lock shaft (13), following lock tube (14), following back-moving spring formations such as (15).Housing (2) is an elongate tubular structure, is processed with oil flow channel on its tube wall, and housing (2) upper/lower terminal respectively has one section undergauge, also is processed with upper and lower lockhole respectively on its upper and lower undergauge section; Last lock tube (1), following lock tube (14) respectively are the tubular-shaped structures that end sealing, the other end have one section undergauge; Housing (2) is gone up undergauge section overcoat and is connected lock tube (1), lock tube (14) under the outer socket of following undergauge section, outer wall is equipped with spiral form paraffin scraper (8), gear valve plate (11) is installed on housing (2) inner tubal wall, the slide mass that is assembled successively by last lock shaft (4), upper connecting rod (9), tooth bar (10), lower link (12) and following lock shaft (13) also is installed in the housing (2), and tooth bar (10) is meshed with the gear of gear valve plate (11), and steel ball (5) is housed in the upper and lower lockhole of housing (2); Compression spring (3) is housed between last lock tube (1) inner sealing end and the last lock shaft (4), the outer energy-stored spring (6) that is set with of upper connecting rod (9) below the last lock shaft (4), energy-stored spring (6) upper end withstands on below the lock shaft (4), and the lower end seat is on a protrusion step on housing (2) inner tubal wall; Be set with upper reset spring (7) on housing (2) outer wall below the last lock tube (1), upper reset spring (7) upper end withstands on below the lock tube (1), and the lower end seat is on the step that protrudes on housing (2) outer wall; Between following lock tube (14) inner sealing end and housing (2) lower end back-moving spring (15) is housed down; Last lock shaft (4), following lock shaft (13) respectively are a cylindrical structure, and its middle part is processed with hemispherical groove; Gear valve plate (11) is an assembly that is connected by gear, valve plate and axle, and valve plate can overturn under the drive of gear, can make housing (2) endoporus open or close.
Spring (3) and upper reset spring (7) were compressed in compression earlier before rotary wax wiper was gone into the well, to go up lock tube (1) moves down, make its undergauge section remove the last lockhole place of housing (2), the groove of last lock shaft (4) also will be removed the last lockhole place of housing (2), steel ball (5) is outwards protruded by last lockhole, be stuck in owing to last lock shaft (4) spacing between the tube wall of housing (2) and last lock tube (1) undergauge section upper end, lock tube in the locking (1) makes it and can not reset; Under the effect of compression spring (3), the slide mass compressed energy-storage spring of being made up of last lock shaft (4), upper connecting rod (9), tooth bar (10), lower link (12), following lock shaft (13) (6) moves down, the groove of following lock shaft (13) moves on to lockhole place under the housing (2), steel ball (5) in the lockhole is slided in the tube wall, embed the groove of lock shaft (13) down, following lock tube (14) is resetted by back-moving spring (15) effect, its undergauge section moves to the following lockhole place of housing (2), makes to embed interior steel ball (5) location and the pinning slide mass of lock shaft (13) groove down; Should transfer to gear valve plate (11) housing (2) endoporus opening state this moment, and make its wheel and rack (10) engagement.
Rotary wax wiper after adjusting is dropped into the oil pipe from well head, slide downwards by deadweight, the fluid in the well then flows to well head by oil flow channel on housing (2) tube wall and the endoporus of opening; When rotary wax wiper slides to the shaft bottom, following lock tube (14) is collided with the bottom tubing shoe, impact makes its compression back-moving spring (15) down, following lock tube (14) moves on the housing (2) relatively, its undergauge section is removed the following lockhole place of housing (2), the steel ball (5) that following lockhole is embedded in down lock shaft (13) groove loses down the location of lock tube (14) undergauge section and withdraws from, outwards protrude by following lockhole, because following lock shaft (13) is spacing, be stuck between housing (2) and following lock tube (14) the undergauge section lower end tube wall, locking lock tube (14) down makes it and can not reset; Simultaneously, under the effect of energy-stored spring (6), by last lock shaft (4), upper connecting rod (9), tooth bar (10), lower link (12), the slide mass compression formed of lock shaft (13) is compressed on the spring (3) and is moved down, the interior steel ball (5) of last lockhole of housing (2) is slided in the tube wall, the groove of lock shaft in the embedding (4), last lock tube (1) then loses the locking of steel ball (5), under the promotion of upper reset spring (7), reset, its undergauge section moves to the last lockhole place of housing (2), makes to embed steel ball (5) location of going up lock shaft (4) groove and pin slide mass; This hour rack (10) with move on the slide mass and driven gear valve plate (11) on gear, make valve plate turn to the position of the interior bore closure of housing (2); Because housing (2) endoporus pathway closure, rotary wax wiper is promoted by downhole fluid pressure, begins upwards to slide.When rotary wax wiper slides to well head, last lock tube (1) is collided with the well head plug, impact makes its compression compression spring (3) and upper reset spring (7), last lock tube (1) housing (2) relatively moves down, its undergauge section is removed the last lockhole place of housing (2), the steel ball (5) that last lockhole is embedded in lock shaft (4) groove has lost the location of last lock tube (1) undergauge section and has withdrawed from, outwards protrude by last lockhole, because last lock shaft (4) is spacing, be stuck between the tube wall of housing (2) and last lock tube (1) undergauge section upper end, lock tube in the locking (1) makes it and can not reset; Simultaneously, under the acting in conjunction of impact and compression spring (3), the slide mass compressed energy-storage spring of being made up of last lock shaft (4), upper connecting rod (9), tooth bar (10), lower link (12), following lock shaft (13) (6) moves down, the interior steel ball (5) of following lockhole of housing (2) is slided in the tube wall, embed the groove of lock shaft (13) down, following lock tube (14) loses locking, be subjected to down back-moving spring (15) to promote to reset, its undergauge section moves to the following lockhole place of housing (2), makes to embed steel ball (5) location and the pinning slide mass of lock shaft (13) groove down; This hour rack (10) move down with slide mass and driven gear valve plate (11) on gear, make valve plate turn to the position that housing (2) endoporus is opened because passage opens, rotary wax wiper loses the effect of downhole fluid pressure, begins to slide downwards by deadweight.
Above process repeats; then upper and lower not stopping slides rotary wax wiper; be installed in the upper and lower thereupon motion of spiral form paraffin scraper (8) on the housing (2); the tube inner wall wax deposition is constantly struck off; because the rectified action of paraffin scraper (8); rotary wax wiper also with from rotating at a high speed as axle, can evenly strike off wax deposition in the oil pipe when upper and lower sliding.
Rotary wax wiper has delicate structure, volume is little, and is easy and simple to handle, use safety, do not need power, do not increase wellhead equipment, is convenient to automatic management, the characteristics such as can be adapted at using in all kinds of flowing wells.
Claims (4)
1, a kind of rotary wax wiper that is used for oil field flowing well wax removal, comprise lock tube, housing, compression spring, go up lock shaft, steel ball, energy-stored spring, upper reset spring, paraffin scraper, upper connecting rod, tooth bar, gear valve plate, lower link, lock shaft, lock tube, back-moving spring etc. down down down, it is characterized in that:
A. housing is a long barrel structure, is processed with oily discharge orifice road on the tube wall, and its upper/lower terminal respectively has one section undergauge, and the undergauge section all is processed with lockhole;
B. lock tube in the socket of undergauge section on the housing, lock tube under the socket of following undergauge section, on its outer wall paraffin scraper is housed, the gear valve plate is installed on the housing inner tubal wall, also be installed in the housing by last lock shaft, upper connecting rod, tooth bar, lower link and the slide mass that following lock shaft assembles successively, and the rack and pinion valve plate is meshed, and in the lockhole of the upper and lower undergauge section of housing steel ball is housed;
C. go up between lock tube and the last lock shaft compression spring is housed, upper connecting rod is set with energy-stored spring outward below the last lock shaft, is set with upper reset spring on the housing outer wall of last lock tube lower end, between following lock tube and the housing back-moving spring is housed down.
2, device according to claim 1 is characterized in that lock tube, following lock tube respectively are the tubular-shaped structures that end sealing, the other end have one section undergauge.
3, device according to claim 1 is characterized in that lock shaft, following lock shaft respectively are a cylindrical structure, and its middle part is processed with hemispherical groove.
4, device according to claim 1 is characterized in that the gear valve plate is an assembly that is connected by gear, valve plate and axle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92100228 CN1026429C (en) | 1992-01-07 | 1992-01-07 | Rotary wax wiper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92100228 CN1026429C (en) | 1992-01-07 | 1992-01-07 | Rotary wax wiper |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1065119A true CN1065119A (en) | 1992-10-07 |
CN1026429C CN1026429C (en) | 1994-11-02 |
Family
ID=4938448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 92100228 Expired - Fee Related CN1026429C (en) | 1992-01-07 | 1992-01-07 | Rotary wax wiper |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1026429C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002053872A1 (en) * | 2001-01-08 | 2002-07-11 | Xiaoyan Liu | The automatic paraffin scraping device used for oil well |
CN101701514B (en) * | 2009-07-23 | 2013-01-16 | 西安宇星石油机械新技术开发有限公司 | Wax scraper for inner wall of oil pipe |
CN105317402A (en) * | 2014-06-12 | 2016-02-10 | 中国石油化工股份有限公司 | Paraffin removal equipment for flowing well |
CN109113662A (en) * | 2018-10-23 | 2019-01-01 | 李如平 | A kind of petroleum works producing well oil-scraping device and its application method |
-
1992
- 1992-01-07 CN CN 92100228 patent/CN1026429C/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002053872A1 (en) * | 2001-01-08 | 2002-07-11 | Xiaoyan Liu | The automatic paraffin scraping device used for oil well |
CN101701514B (en) * | 2009-07-23 | 2013-01-16 | 西安宇星石油机械新技术开发有限公司 | Wax scraper for inner wall of oil pipe |
CN105317402A (en) * | 2014-06-12 | 2016-02-10 | 中国石油化工股份有限公司 | Paraffin removal equipment for flowing well |
CN105317402B (en) * | 2014-06-12 | 2018-08-17 | 中国石油化工股份有限公司 | Paraffin removal unit for flowing well |
CN109113662A (en) * | 2018-10-23 | 2019-01-01 | 李如平 | A kind of petroleum works producing well oil-scraping device and its application method |
Also Published As
Publication number | Publication date |
---|---|
CN1026429C (en) | 1994-11-02 |
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