[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN1065119A - Rotary wax wiper - Google Patents

Rotary wax wiper Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
housing
lock shaft
lock tube
lock
spring
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.)
Granted
Application number
CN 92100228
Other languages
Chinese (zh)
Other versions
CN1026429C (en
Inventor
刘希友
丁万林
关良
董艳伟
殷海丰
吴克
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.)
OIL FIELD MANAGEMENT OFFICE JILIN PROV
Original Assignee
OIL FIELD MANAGEMENT OFFICE JILIN PROV
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 OIL FIELD MANAGEMENT OFFICE JILIN PROV filed Critical OIL FIELD MANAGEMENT OFFICE JILIN PROV
Priority to CN 92100228 priority Critical patent/CN1026429C/en
Publication of CN1065119A publication Critical patent/CN1065119A/en
Application granted granted Critical
Publication of CN1026429C publication Critical patent/CN1026429C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Transmission Devices (AREA)

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

Rotary wax wiper
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.
CN 92100228 1992-01-07 1992-01-07 Rotary wax wiper Expired - Fee Related CN1026429C (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
WO2014051588A1 (en) Powered wellbore bailer
CN106014346A (en) Method and device for water drainage and gas production by speed string matched with plunger gas lift
CN204703813U (en) Underground clamping and buffering integrated device for plunger gas lift
CN1026429C (en) Rotary wax wiper
CN104234654A (en) Underground hydraulic jarring stuck releasing device
CA1176975A (en) Kickover tool
CN201212360Y (en) Ring-releasing safety joint
CN107366522B (en) Sliding sleeve opening tool with variable length and sleeve sliding sleeve thereof
CN201351486Y (en) Sedimentation cup type oil draining device
CN2381777Y (en) Hydraulic reciprocal underground controlled valve
CN2923986Y (en) Self-sliding type underground fishing tool
CN2916095Y (en) Drill stem for horizontal well workover technology
CN204252903U (en) steel wire well testing jar
CN2338511Y (en) Tubular soft plunger well pump
CN2284296Y (en) Oil discharger of electrical submersible pump
CN2457336Y (en) Rail rotary oil drain device
CN2264804Y (en) Automatic anchor with pumping
CN1184406C (en) Vacum tube-type bailing process and its borehole tool
CN2642986Y (en) Filling mechanism
CN2469175Y (en) Umbrella claw sleeve type oil pipe oil drainage apparatus
CN2752427Y (en) Small dimention high strength returnable fishing spears
CN2849131Y (en) Oil drainage type oil pipe anchor
CN2534360Y (en) Downhole mechanical fishing spear
CN2355131Y (en) Two functional valve for unkilling well of oil suction well
CN2192718Y (en) Multifunction link slide block spear

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee