CN1067703A - Automatic oil well wax cleaning aparatus - Google Patents
Automatic oil well wax cleaning aparatus Download PDFInfo
- Publication number
- CN1067703A CN1067703A CN 92105042 CN92105042A CN1067703A CN 1067703 A CN1067703 A CN 1067703A CN 92105042 CN92105042 CN 92105042 CN 92105042 A CN92105042 A CN 92105042A CN 1067703 A CN1067703 A CN 1067703A
- Authority
- CN
- China
- Prior art keywords
- cutter hub
- oil well
- commutating tooth
- oil
- 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
Links
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The present invention relates to a kind of to pumpingh well oil pipe and sucker rod on the grease, the device that paraffin is removed that deposit, scrape cutter hub and have paraffin cutting cutting edge and port, commutating tooth is positioned in the port, there is back-moving spring on commutating tooth two limits, scraping cutter hub is connected with the pressure plare spring, be hinged with on the pressure plare spring and mention, scrape the external diameter of the internal diameter of cutter hub, scrape the internal diameter of the external diameter of cutter hub less than oil pick-up tube greater than rod collar.It is simple in structure, and is easy to use, and reliable operation can be carried out automatic wax removal to oil pick-up tube, saves a large amount of human and material resources and financial resources, reduces the energy consumption of oil pumper, has improved crude output, and economic benefit is very remarkable.
Description
The present invention relates in a kind of oil field oil exploitation engineering the oil pipe of pumpingh well and the deposited material on the sucker rod, for example device, particularly paraffin cleaner or the paraffin scraper removed of grease, paraffin.
In the oil exploitation engineering, underground crude oil is from the shaft bottom to ground, pressure, temperature descend gradually, paraffin molecule in the crude oil constantly solidifies, be deposited on tube inner wall and the sucker rod, equally, in the process of oil production, also accumulate some dirty things on oil pipe and the sucker rod gradually, oil well is blocked gradually, crude output is reduced or stopping production, unimpededly exploits out from the shaft bottom in order to make crude oil, just must regularly carry out wax removal and snaking processing to oil pipe, disclosed all dewaxing methods are summarized as follows in the prior art:
1) mechanical paraffin removal method: many scraper type paraffin cleaners generally are installed on sucker rod, situation according to present domestic oil field, if the stroke of oil well pump is 2 meters, the long-pending wax degree of depth is 800 meters, on the sucker rod 400 paraffin cleaners should be installed, so not only increase the load of oil pumper, and increase equipment investment greatly, production to oil well also brings adverse influence, because so Duo paraffin cleaner can hinder the flowing of oil of extraction;
2) strong magnetic preventing wax device: one strong magnetic preventing wax device is installed at well deep part, processing is magnetized to the oily stream that flows through in magnetic field according to the permanent magnet in the strong magnetic preventing wax device, change the molecular structure in the oil, delay the wax deposition process, reduce the degree of wax deposition, this processing method effect is not ideal, and the price height of strong magnetic preventing wax device, application life is short, fundamentally wax removal.
3) hot melt: on ground oil well is injected in crude oil high temperature heating back and will amass the wax fusing, this method not only will consume bulk petroleum, and general a bite oil well will consume 5～10 tons of crude oil, and needs a cover special equipment, needs the personal management, increases the oil exploitation expense.
The objective of the invention is to overcome the deficiencies in the prior art and a kind of automatic oil well wax cleaning aparatus is provided, it can carry out wax removal to oil well upper and lower, back and forth by means of the power that sucker rod self moves up and down.
Purpose of the present invention is achieved through the following technical solutions:
Automatic oil well wax cleaning aparatus of the present invention, comprise and scrape cutter hub, the pressure plare spring, mention, commutating tooth, two ends of scraping cutter hub have towards opposite paraffin cutting cutting edge, scrape the port that is interlinked to the outside in having on the cutter hub, commutating tooth is installed in rotation in the above-mentioned port, and two limits of commutating tooth are equipped with back-moving spring, and two ends of scraping cutter hub are connected with an end of pressure plare spring, be hinged with on the free end of pressure plare spring and mention, the crown of mentioning is entad installed, and scrapes the external diameter of the internal diameter of cutter hub greater than rod collar, scrapes the internal diameter of the external diameter of cutter hub less than oil pick-up tube.
The present invention has the following advantages than prior art:
Automatic oil well wax cleaning aparatus of the present invention is simple in structure, and is easy to use, and reliable operation can be carried out automatic wax removal to oil pick-up tube, saves a large amount of human and material resources and financial resources, reduces the energy consumption of oil pumper, improved crude output, and economic benefit is very remarkable.
For introducing the present invention in detail, describe below in conjunction with accompanying drawing:
Fig. 1 is the structure diagram of automatic oil well wax cleaning aparatus of the present invention;
Fig. 2 is a TV structure sketch in the part of automatic oil well wax cleaning aparatus is launched;
Fig. 3 is the structure diagram of well head reversing arrangement of the present invention;
Fig. 4 is the structure diagram of commutation pipe nipple in down-hole of the present invention;
Fig. 5 is the structure diagram with tubing coupling of gasket ring;
Fig. 6 a, 6b are the structure diagrams that is used in the gasket ring in the tubing coupling;
Fig. 7 a, 7b are a kind of structure diagrams of commutating tooth;
Fig. 8 a, 8b are the structure diagrams of another kind of commutating tooth;
Fig. 9 a, 9b are the structure diagrams of another commutating tooth.
Referring to Fig. 1,2, the automatic oil well wax cleaning aparatus that uses among the present invention comprises scrapes cutter hub 1, pressure plare spring 8, mention 9, commutating tooth 3, two ends of scraping cutter hub 1 have towards opposite paraffin cutting cutting edge 13, scrape cutter hub 1 motion on, can remove wax long-pending on the oil pipe in the down stroke, and the paraffin cutting cutting edge 13 of two ends staggers mutually on circumference, make that each several part can both scrape on the oil pipe, scrape the port 14 that is interlinked to the outside in having on the cutter hub 1, these ports 14 are the wax removal passages of paraffin cutting cutting edge 13 on the one hand, on the other hand, commutating tooth 3 is installed in rotation in the above-mentioned port 14 by commutation alligator 4, not necessarily in each port 14 commutating tooth 3 is installed all, can clearly be seen that from Fig. 2, commutating tooth 3 is positioned in the port 14 with being separated by, these ports 14 are under the situation that structure allows, can open several more, and can stagger mutually, to guarantee that scraping cutter hub 1 has certain mechanical strength, port 14 can be the hole or the groove of different shape, in illustrated structure, port 14 is the strip notch, port 14 can be offered scraping on the cutter hub 1 with paraffin cutting cutting edge 13 the same two ports with claiming, two limits of commutating tooth 3 are equipped with back-moving spring 5,3 centralizing functions of the commutating tooth of 5 pairs of deflections of this back-moving spring, allow commutating tooth 3 remain a trend perpendicular to the axis direction of scraping cutter hub 1, use the back-moving spring steel wire in the present invention, the back-moving spring steel wire is pressed in by trip bolt 6 with spring steel wire pressing plate 2 scrapes on the cutter hub 1, two ends of scraping cutter hub 1 all are connected with an end of pressure plare spring 8 by dovetail groove, interfix by screw 7 therebetween, be equipped with on the free end of pressure plare spring 8 and mention frame 11, mention and mention 9 by mentioning that pin 10 is hinged with on the frame 11, mention that 9 crown entad installs, mention that 9 also can be directly by mentioning that pin 10 is installed on the pressure plare spring 8, because scraping cutter hub 1 is sleeved on the sucker rod 12, the internal diameter of scraping cutter hub 1 should be greater than the external diameter of the box cupling of sucker rod 12, and the external diameter of scraping cutter hub 1 should be less than the internal diameter of oil pipe.
Automatic oil well wax cleaning aparatus of the present invention is sleeved on the sucker rod 12 of oil pumper, when sucker rod 12 moves up and down pump oil, descaler mention 9 and commutating tooth 4 alternating actions in sucker rod 12 and tube inner wall, descaler stepping in oil pipe is advanced and carry out the paraffin cutting operation, at state shown in Figure 1, the descaler left end upwards, at this moment, descaler is in downstream state, when sucker rod 12 is descending, drive and to mention 9 on the descaler, make whole descaler descending, when sucker rod 12 is up, mention that 9 skid with sucker rod 12, the commutating tooth of scraping on the cutter hub 14 of descaler withstands on the oil pipe, mention that 9 separate with sucker rod 12, descaler is parked in the oil pipe motionless, when sucker rod 12 is descending again, drives once more and mentions 9 on the descaler, make whole descaler descending, allow descaler stepping always advance like this,, mention that 9 should be in same direction with commutating tooth 4 in shown position, promptly the crown of the commutating tooth shown in the figure 4 should be left, in the lower end of oil pipe a commutation pipe nipple is housed, when descaler came downwards to bottom dead centre, descaler was in the place's commutation of commutation pipe nipple.
Referring to commutation pipe nipple in down-hole shown in Figure 4, down-hole commutation pipe nipple 15 upper and lower sides and oil pipe 16 join, oil well pump is positioned on the bottom of pipe nipple 15, pipe nipple 15 middle parts are one section commutation expander 17, the length of this expander 17 should be enough in allowing descaler commutate therein, the internal diameter of this expander 17 is greater than the external diameter of descaler free state, the bottom of pipe nipple 15 is equipped with a position-limitting pin 18 or spacing ring or is similarly installed, position-limitting pin 18 or spacing ring can be made one with pipe nipple 15, the internal diameter at position-limitting pin 18 or spacing ring place is less than the external diameter of scraping cutter hub 1 of descaler, the top of pipe nipple 15 is equipped with commutative ring 19 or is similarly installed, commutative ring 19 can be made one with pipe nipple 15, the inner radius at commutative ring 19 places comprises between the external diameter of commutating tooth 3 when the external diameter of scraping cutter hub 1 of descaler and descaler free state, be the external diameter of scraping cutter hub 1 of the internal diameter at commutative ring 19 places greater than descaler, the internal diameter at commutative ring 19 places comprises the external diameter of commutating tooth 3 during again less than the descaler free state, the free external diameter of commutating tooth 3 just, the gasket ring 27 of a tubing coupling also is equipped with on commutative ring 19 tops, and its effect will be described in detail below.
When descaler moves to the position of expander 17 in the down-hole commutation pipe nipple 15, because the bottom of pipe nipple 15 is equipped with a position-limitting pin 18 or spacing ring or is similarly installed, the internal diameter at position-limitting pin 18 or spacing ring place is less than the external diameter of scraping cutter hub 1 of descaler, then descaler can not pass through this zone, sucker rod is about to for 12 times force pulling to mention 9, force and mention that 9 pressure plare springs of being installed 8 are outer and open, mention that 9 are forced to swing to, mention 9 swing to after, carry on the sucker rod 12 and mention 9 on the descaler driving, make whole descaler up, because the inner radius at commutative ring 19 places is between the external diameter of scraping cutter hub 1 and descaler free state external diameter of descaler, commutating tooth 3 is subjected on the pipe nipple 15 the stopping of commutative ring 19 of dress, change tooth towards, and mention 9 in the same way, at this moment, whole descaler changes the direction of motion, is similar to the situation of above-mentioned downward step motion and changes upwards step motion into.
Equally, when descaler runs to well head, also can in well head reversing arrangement 20, commutate, referring to Fig. 3, well head reversing arrangement 20 comprises flange 22, be contained in the spacing ring 21 of 22 mouthfuls of flange, tubing hanger 25, thread protector 26, the lower end of tubing hanger 25 and oil pipe 16 join, thread protector 26 is housed in the tubing hanger 25, it between spacing ring 21 and the thread protector 26 one section commutation space of flange 22, the length in this commutation space should be enough in allowing descaler commutate therein, the internal diameter in this commutation space is greater than the external diameter of descaler free state, and this commutation space can process in the flange of existing production tree, and spacing ring 21 can be made one with flange 22, the internal diameter of spacing ring 21 is less than the external diameter of scraping cutter hub 1 of descaler, and the inner radius of thread protector 26 comprises between the external diameter of commutating tooth 3 when the external diameter of scraping cutter hub 1 of descaler and descaler free state.
In order to remove descaler, a control commutation push rod 23 is housed on flange 22, fitting tight circle 24 is used for sealing on the control commutation push rod 23, control commutation push rod 23 1 ends stretch in the commutation space of well head reversing arrangement, the other end exposes outside the flange 22, is convenient to carry out spacing control, when control commutation push rod 23 stretches in the commutation space, to stop the rising and the commutation of descaler, descaler will rest on the processing of the bottom products for further of push rod 23 forever.
For the reliably working of descaler in oil pipe 16, avoid between oil pipe 16, blocking or commutating, a gasket ring 27 is installed in the box cupling 28 between two oil pipes 16, structure after the assembling discloses the structure of gasket ring 27 referring to Fig. 5 in Fig. 6 a, 6b, Fig. 6 b be gasket ring 27 partly cut open structure, gasket ring 27 is a Taper Pipe with opening, after putting into the tubing coupling space, the opening of gasket ring 27 closes up substantially, so can very closely be fixed on the box cupling section.
In the course of work of descaler, the pressure plare spring of descaler two ends moves with the decentraction of oil pipe by variation and the sucker rod 12 that elastic deformation adapts to different size on sucker rod 12 posts, so the pressure plare spring only with scrape cutter hub and be connected, between the every pressure plare spring is freely, and the pressure plare spring is made with elastomeric material.
Mention 9, commutating tooth 3 all has cutting edge, mentions that 9 section is similar to the shuttle shape, wherein is drilled with a pin-and-hole, clearly show that its structure among Fig. 1; Commutating tooth 3 can be made the similar above-mentioned structure of mentioning, referring to Fig. 8 a, 8b; Commutating tooth is 3 structures that can make three teeth arranged side by side shown in Fig. 7 a, the 7b also; Commutating tooth 3 can also be made the structure of three helical teeth that stagger mutually shown in Fig. 9 a, the 9b, the length of center tooth is greater than the length of two adjacent teeth, this scheme is specially adapted to the present invention, because this structure is beneficial to the guiding of wax or dirt, makes above the descaler and can not accumulate wax or dirt; Accompanying drawing 7a, 8a, 9a are respectively the lateral views of commutating tooth, and Fig. 7 b, 8b, 9b are respectively corresponding central cross-sectional view; Two limits of commutating tooth 3 are equipped with back-moving spring 5,3 centralizing functions of the commutating tooth of 5 pairs of deflections of this back-moving spring, allow commutating tooth 3 keep one perpendicular to scraping cutter hub 1 axis direction trend, use the back-moving spring steel wire that bends to the U type in the present invention, the back-moving spring steel wire is pressed in by trip bolt 6 with spring steel wire pressing plate 2 scrapes on the cutter hub 1, from the part internal view of this expansion of Fig. 2 as can be seen, adopt the structure of back-moving spring steel wire can allow the strip notch have enough wax removal passages.
Use the operational method of pumpingh well creeping-type descaler of the present invention simply to may further comprise the steps:
1) oil pipe being carried out wax removal handles;
2) the box cupling gasket ring is installed in tubing coupling;
3) use siphunculus to carry out siphunculus to the oil pipe of good and sound box cupling gasket ring greater than the scraper body diameter of descaler;
4) in oil well, descend oil well pump;
5) pipe nipple that under the mounting shaft of oil pump top, commutates, down-hole commutation pipe nipple upper and lower side and oil pipe join;
6) in oil well, play oil pipe;
7) lower sucker rod in the oil well;
8) on sucker rod, put in descaler and the lower going-into-well;
9) at well head dress well head reversing arrangement.
Like this, along with sucker rod moves up and down, descaler will be automatically step motion up and down, reach the dirt that automatically strikes off on oil pipe and the sucker rod or the purpose of wax, descaler can be up and down more than 20 time in the common oil well one day, the long-pending wax that is enough to clear all.
Claims (5)
1, a kind of automatic oil well wax cleaning aparatus, comprise and scrape cutter hub, the pressure plare spring, mention, commutating tooth, it is characterized in that two ends of scraping cutter hub have towards opposite paraffin cutting cutting edge, scrape the port that is interlinked to the outside in having on the cutter hub, commutating tooth is installed in rotation in the above-mentioned port, and two limits of commutating tooth are equipped with back-moving spring, and two ends of scraping cutter hub are connected with an end of pressure plare spring, be hinged with on the free end of pressure plare spring and mention, the crown of mentioning is entad installed, and scrapes the external diameter of the internal diameter of cutter hub greater than rod collar, scrapes the internal diameter of the external diameter of cutter hub less than oil pick-up tube.
2, automatic oil well wax cleaning aparatus according to claim 1 is characterized in that above-mentioned port is the vertical strip notch that is parallel to the scraper body axis.
3, automatic oil well wax cleaning aparatus according to claim 1 is characterized in that above-mentioned commutating tooth is three helical teeth that stagger mutually, and the length of center tooth is greater than the length of two adjacent teeth.
4, automatic oil well wax cleaning aparatus according to claim 1 is characterized in that above-mentioned pressure plare spring made by elastomeric material.
5, automatic oil well wax cleaning aparatus according to claim 1 is characterized in that above-mentioned back-moving spring is the back-moving spring steel wire of U type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92105042 CN1023337C (en) | 1992-06-26 | 1992-06-26 | Automatic oil well wax cleaning aparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92105042 CN1023337C (en) | 1992-06-26 | 1992-06-26 | Automatic oil well wax cleaning aparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1067703A true CN1067703A (en) | 1993-01-06 |
| CN1023337C CN1023337C (en) | 1993-12-29 |
Family
ID=4941155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92105042 Expired - Fee Related CN1023337C (en) | 1992-06-26 | 1992-06-26 | Automatic oil well wax cleaning aparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1023337C (en) |
Cited By (6)
| 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 |
| CN102134981A (en) * | 2011-03-02 | 2011-07-27 | 陈卫东 | Paraffin cleaning shuttle |
| CN103334716A (en) * | 2013-07-17 | 2013-10-02 | 新疆力信油田工程技术有限公司 | Composite tube scraper |
| CN103541688A (en) * | 2013-10-15 | 2014-01-29 | 沧州盈鑫石油焦化设备制造有限公司 | Paraffin removal shuttle |
| CN108643863A (en) * | 2018-07-17 | 2018-10-12 | 杨志刚 | A kind of sucker rod self-adapting type pit shaft paraffin removal unit |
| CN114704226A (en) * | 2021-11-12 | 2022-07-05 | 杭州乾景科技有限公司 | Cable-free paraffin removal robot with locking adjusting nut |
-
1992
- 1992-06-26 CN CN 92105042 patent/CN1023337C/en not_active Expired - Fee Related
Cited By (12)
| 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 |
| US6749019B2 (en) | 2001-01-08 | 2004-06-15 | Xiaoyan Liu | Automatic paraffin removal unit |
| CN102134981A (en) * | 2011-03-02 | 2011-07-27 | 陈卫东 | Paraffin cleaning shuttle |
| CN102134981B (en) * | 2011-03-02 | 2013-10-16 | 陈卫东 | Paraffin cleaning shuttle |
| CN103334716A (en) * | 2013-07-17 | 2013-10-02 | 新疆力信油田工程技术有限公司 | Composite tube scraper |
| CN103334716B (en) * | 2013-07-17 | 2016-02-17 | 新疆力信油田工程技术有限公司 | A kind of composite tube scraper |
| CN103541688A (en) * | 2013-10-15 | 2014-01-29 | 沧州盈鑫石油焦化设备制造有限公司 | Paraffin removal shuttle |
| CN103541688B (en) * | 2013-10-15 | 2016-03-23 | 沧州盈鑫石油焦化设备制造有限公司 | A kind of paraffin cleaning shuttle |
| CN108643863A (en) * | 2018-07-17 | 2018-10-12 | 杨志刚 | A kind of sucker rod self-adapting type pit shaft paraffin removal unit |
| CN108643863B (en) * | 2018-07-17 | 2020-11-17 | 嘉兴市国龙石油化工股份有限公司 | Sucker rod self-adaptation formula pit shaft paraffin removal device |
| CN114704226A (en) * | 2021-11-12 | 2022-07-05 | 杭州乾景科技有限公司 | Cable-free paraffin removal robot with locking adjusting nut |
| CN114704226B (en) * | 2021-11-12 | 2023-07-28 | 杭州乾景科技有限公司 | Cable-free paraffin removal robot with locking adjusting nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1023337C (en) | 1993-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207026026U (en) | A kind of copper pipe processing cleaning device | |
| WO2002053872A1 (en) | The automatic paraffin scraping device used for oil well | |
| CN1023337C (en) | Automatic oil well wax cleaning aparatus | |
| CN110056329B (en) | Turbulent flow wax scraping screw device for sucker-rod pump well | |
| CN219865653U (en) | Anti-impact water inlet structure of submersible pump | |
| CN206824339U (en) | A kind of petroleum pipeline dredger | |
| CN216277814U (en) | Sucker rod self-adaptation formula pit shaft paraffin removal device | |
| CN101074664A (en) | Antiscaling alloy oil sucking pump | |
| CN205315218U (en) | Formula sand pump can creep into | |
| CN2558760Y (en) | Improved automatic wax removal device for pumping well | |
| CN2399507Y (en) | Wellhead cleaning appts. for flexible continuous sucker rod | |
| CN209195362U (en) | wax removal tool | |
| CN2463537Y (en) | Automatic paraffin removal unit for pump well | |
| CN201723164U (en) | Bound sealing ring | |
| CN2849149Y (en) | Automatic switching three way circulation connector for oil well | |
| CN216480147U (en) | Anti-overflow oiling device for petroleum machinery maintenance | |
| CN212896731U (en) | Road rainwater inspection shaft based on road design | |
| CN221799755U (en) | Central water-passing scraper | |
| CN2815625Y (en) | Polish rod sealer sealing member detaching device | |
| CN1043484C (en) | Sand-proof sand extracting and oil pumping combining device | |
| CN103256012A (en) | Multifunctional centralizing and oil increasing device | |
| CN211052100U (en) | Pipeline cleaning device | |
| CN2457339Y (en) | Switch type water distributor | |
| CN116255101A (en) | Drill rod elevator of geological drilling core drill and elevator method | |
| CN2459435Y (en) | Drop-proof sucker rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Luo Shaodong Document name: Notice on the extension of the term of patent right |
|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Luo Shaodong Document name: payment instructions |
|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Luo Shaodong Document name: Notification of Termination of Patent Right |
|
| 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 |