CN209083262U - One kind is logical to scrape integrated tool - Google Patents
One kind is logical to scrape integrated tool Download PDFInfo
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- CN209083262U CN209083262U CN201821750632.XU CN201821750632U CN209083262U CN 209083262 U CN209083262 U CN 209083262U CN 201821750632 U CN201821750632 U CN 201821750632U CN 209083262 U CN209083262 U CN 209083262U
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- mandrel
- piston
- scraper
- outer cylinder
- top connection
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Abstract
The utility model belongs to oil extraction in oil field technical field of tools, and in particular to one kind is logical to scrape integrated tool.One kind is logical to scrape integrated tool, including cutting mechanism is arranged below top connection, cutting mechanism, retaining mechanism and junk mill top connection, retaining mechanism is set below cutting mechanism, junk mill is connected below retaining mechanism, the lower end of the top connection is provided with step, piston is arranged in the stepped ends, and the upper end of piston is provided with the tilt stage for placing second level steel ball, and piston heads on cutting mechanism setting.The tool construction is simple, easy to use, good seal performance, and pressure-bearing is high, can drifting, scraping once complete.
Description
Technical field
The utility model belongs to oil extraction in oil field technical field of tools, and in particular to one kind is logical to scrape integrated tool.
Background technique
With the increase of producing well working time, oil well well workover number increases year by year, and drifting process and scraping process are two
It plows and is independently performed process, generally match, and both processes are made in most service shafts and partial maintenance
Using more in industry well, under twice tubing string construct, it is long that the large labor intensity of worker, operation account for the well period.In the prior art, pass through
Original process twice is become one time to complete, not only saves operating cost in this way, but also can contract by drifting scraping integrated tool
It is short to account for the well period.
Application on site logical scrapes tool at present, is hydraulic operation tool, hydraulic operation tool is roughly divided into two classes.One
Class is first drifting pipe cleaning again, i.e., tool once examines blade using just suppressing mode down toward scraping section, when shaft in wall have scale,
The booties such as scale, booty subsidence velocity is gradually accumulated in upper tool part slowly when transferring tubing string, when above proposing scraping, too because of environment gap
Small and tool is without anti-sticking design, and can not establishing circulation, to will lead to drilling tool stuck.Another kind of is the drifting again of first pipe cleaning, i.e. tripping in tool
When be pipeline scraper state, using the above side's of putting scraping borehole wall, after the completion of scraping, pitching, which is suppressed, withdraws scraping blade in gauguste cutter,
Operations described above program is cumbersome, and safety is not high.
Utility model content
The purpose of this utility model is that providing aiming at the problems existing in the prior art, one kind is logical to scrape integrated tool, should
Tool construction is simple, easy to use, good seal performance, and pressure-bearing is high, can drifting, scraping once complete.
The technical solution of the utility model is:
One kind is logical to scrape integrated tool, including top connection, cutting mechanism, retaining mechanism and junk mill top connection lower section setting are cut
Mechanism is cut, retaining mechanism is set below cutting mechanism, connects junk mill below retaining mechanism, the lower end of the top connection is provided with
Piston is arranged in step, the stepped ends, and the upper end of piston is provided with the tilt stage for placing second level steel ball, piston
Head on cutting mechanism setting.
The cutting mechanism includes mandrel, and the upper end of mandrel heads on piston setting, and placement is arranged in the upper end of mandrel
The tilt stage of level-one steel ball is arranged radially the scraper guide groove of at least three placement scrapers, scraper on the mandrel circumference
It can be moved in guide groove, scraper guide groove is uniformly arranged, and it is radial that restricted scraper is respectively set in the scraper guide groove
The leaf spring of extension elongation, leaf spring head on the both ends setting of scraper, and the lower end of the mandrel connects retaining mechanism.
The retaining mechanism includes pressing sleeve, closing piece, lock claw and lock tube, and lock claw, the mandrel are arranged on the lock tube
Lower end be provided with the groove for placing closing piece, the closing piece fixed by pressing sleeve, and the pressing sleeve is fixedly connected with lock claw, institute
The lower end for the lock tube stated is connect with junk mill.
The periphery of the mandrel is provided with outer cylinder, and the position that mandrel scraper is corresponded on outer cylinder is provided with opening, described
Outer cylinder upper end is located on the step of top connection and is threadedly coupled with it, and the piston upper end is closely connect with outer cylinder, and piston
There are gap between middle and lower part and outer cylinder, it is provided with liquid pass hole on the piston, liquid pass hole is connected to gap；The outer cylinder
Lower end be arranged step, the lock tube is located on the step of outer cylinder to be fixedly connected by screw.
Specifically, being provided with the protrusion of ejection scraper enough in the middle part of the mandrel.
Specifically, the scraper includes the arc-shaped blade in longitudinal cross-section, it is tiltedly installed with around blade outer wall several
Bar shaped knife edge part, there are liquid channel is crossed between adjacent bar knife edge part, the knife edge part is integrally formed with blade
Structure.
Specifically, be provided with seal groove on the outer wall that the top connection is connect with outer cylinder and sealing ring is installed, institute
The outer wall that the piston stated and outer cylinder are slidingly sealed cooperation is equipped with seal groove and is equipped with sealing ring, mandrel and outer cylinder phase
It is slidingly sealed on the inner wall of cooperation and is provided with seal groove and sealing ring is installed.
Specifically, the lock tube is fixedly connected with junk mill by tapered end holding screw of slotting.
Specifically, the diameter of the level-one steel ball is equal with the internal diameter at mandrel upper end, the second level steel ball it is straight
Diameter is equal with the internal diameter at the upper end of piston, and the diameter of the level-one steel ball is less than the diameter of second level steel ball.
The beneficial effects of the utility model are: 1. structures are simple, it is easy to use；2. good seal performance, pressure-bearing is high；3. solution
Sealing property is superior, securely and reliably；4. drifting, scraping process remained with liquid channel, it is able to carry out clean-out service；5. scraper can be real
Now extend and retract；6. realizing that drifting, scraping primary process can be completed, operating efficiency is significantly improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of mandrel；
Fig. 3 is the cutting structural schematic diagram in the direction A-AF in Fig. 2, the direction E-E；
Fig. 4 is the cutting structural schematic diagram in the direction B-B in Fig. 2, the direction D-D；
Fig. 5 is the cutting structural schematic diagram in the direction C-C in Fig. 2；
Fig. 6 is the cutting structural schematic diagram in the direction F-F in Fig. 2；
The radial section structural schematic diagram of Fig. 7 scraper；
Fig. 8 is the longitudinal cross-section structural schematic diagram of scraper；
Fig. 9 is the schematic perspective view at a visual angle of scraper；
Figure 10 is the schematic perspective view at another visual angle of scraper.
1 top connection, 2 O-ring seals, 3 second level steel balls, 4 pistons, 5 level-one steel balls, 6 mandrels, 7 pins, 8 leaf springs, 9 are scraped
Knife, 10 outer cylinders, 11 pressing sleeves, 12 closing pieces, 13 lock claw, 14 lock tubes, 15 fluting tapered end holding screws, 16 junk mills.
Specific embodiment
It as shown is a kind of logical structural schematic diagram for scraping integrated tool, including top connection 1, cutting mechanism, locking machine
Cutting mechanism is set below 16 top connection 1 of structure and junk mill, retaining mechanism is set below cutting mechanism, connection mill below retaining mechanism
Shoes 16, the lower end of the top connection 1 are provided with step, and piston 4, the upper end setting of piston 4 is arranged in the stepped ends
There is the tilt stage for placing second level steel ball 3,4 lower end of piston heads on cutting mechanism setting.
The cutting mechanism includes mandrel 6, the structural schematic diagram of mandrel 6 as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6,
The upper end of mandrel 6 heads on the setting of piston 4, and the tilt stage of level-one steel ball 5 is placed in the upper end setting of mandrel 6.Described one
The diameter of grade steel ball equal with the internal diameter at mandrel upper end, the described diameter of second level steel ball and the internal diameter phase at the upper end of piston
It is less than the diameter of second level steel ball Deng the diameter of, the level-one steel ball.
The scraper guide groove of at least three placement scrapers 9 is arranged radially on 6 circumference of mandrel, scraper 9 can be oriented to
It is moved in slot, scraper guide groove is uniformly arranged, and restricted scraper 9 is respectively set in the scraper guide groove and extends radially out length
Leaf spring 8, leaf spring 8 head on scraper 9 both ends setting, the middle part of the mandrel 6 be provided with enough ejection scraper 9 it is convex
The lower end in portion, the mandrel 6 connects retaining mechanism, and the periphery of the mandrel 6 is provided with outer cylinder 10, corresponds to core on outer cylinder 10
The position of 6 scraper of axis is provided with opening, and 10 upper end of outer cylinder is located on the step of top connection 1 and is threadedly coupled with it, institute
4 upper end of piston stated closely is connect with outer cylinder 10, and there are gap, the pistons 4 between 4 middle and lower part of piston and outer cylinder 10
On be provided with liquid pass hole, liquid pass hole is connected to gap；Step is arranged in the lower end of the outer cylinder 10, and the lock tube 14 is located at outer
It is fixedly connected on the step of cylinder 10 by screw.
The scraper 9 includes the arc-shaped blade in longitudinal cross-section, is tiltedly installed with several strip-shaped cutters around blade outer wall
Blade portion, there are liquid channel is crossed between adjacent bar knife edge part, the knife edge part is an integral molding structure with blade, scrapes
The structure of knife 9 is as shown in Fig. 7, Fig. 8, Fig. 9 and Figure 10.
In order to guarantee mandrel 6 can only downlink, guarantee the overall performance of drifting, the scraping of tool, tool lower end design
There is retaining mechanism, the retaining mechanism includes pressing sleeve 11, closing piece 12, lock claw 13 and lock tube 14, is arranged on the lock tube 14
Lock claw 13, the lower end of the mandrel 6 are provided with the groove for placing closing piece 12, and the closing piece 12 is fixed by pressing sleeve 11, described
Pressing sleeve 11 be fixedly connected with lock claw 13, the lower end of the lock tube 14 is connect with junk mill 16.
Seal groove is provided on the outer wall that the top connection 1 is connect with outer cylinder 10 and sealing ring 2 is installed, it is described
The outer wall that piston 4 and outer cylinder 10 are slidingly sealed cooperation is equipped with seal groove and is equipped with sealing ring 2, mandrel 6 and outer cylinder
10 phases, which are slidingly sealed on the inner wall of cooperation, to be provided with seal groove and is equipped with sealing ring 2.
Using it is provided by the utility model it is logical scrape integrated tool when, this tool is connect with oil pipe, by it down toward setting
Depthkeeping degree, the junk mill 16 by being located at lower end complete drifting operation；Need to pass first into level-one steel ball 5 when scraping, level-one steel ball 5
In the upper end of mandrel, carries out fluid injection and suppress, liquid enters the gap between piston 4 and outer cylinder 10 from the liquid pass hole on piston 4
It is interior, 3-5Mpa is suppressed, is slowly increased with hydraulic, 6 downlink of mandrel is pushed, scraper 9 is opposite during 6 downlink of mandrel reaches core
It is stretched out out of scraper guide groove when 6 upper convex portion position of axis, carries out scraping pin operation；After the completion of scraping, second level steel ball 3 is put into,
Piston 4 pushes mandrel 6 to continue traveling downwardly, work of the scraper 9 due to leaf spring 8 when the opposite protrusion on mandrel 6 of scraper 9
With being recovered in scraper guide groove, drifting, scraping are once completed, and the one that downlink is completed always when the tool is made
Industry.There are well-flushing passages during drifting and scraping.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (6)
- It is scraped under integrated tool, including top connection (1), cutting mechanism, retaining mechanism and junk mill (16) top connection (1) 1. one kind is logical Side's setting cutting mechanism, cutting mechanism lower section are arranged retaining mechanism, connect junk mill (16) below retaining mechanism, the top connection (1) lower end is provided with step, and piston (4) are arranged in the stepped ends, and the upper end of piston (4), which is provided with, places second level steel The tilt stage of ball (3), piston (4) lower end head on cutting mechanism setting, which is characterized in thatThe cutting mechanism includes mandrel (6), and the upper end of mandrel (6) heads on piston (4) setting, and the upper end of mandrel (6) The tilt stage for placing level-one steel ball (5) is set, is arranged radially at least three placement scrapers (9) on the mandrel (6) circumference Scraper guide groove, scraper (9) can move in guide groove, and scraper guide groove is uniformly arranged, in the scraper guide groove point The leaf spring (8) that restricted scraper (9) extends radially out length is not set, and leaf spring (8) heads on the both ends setting of scraper (9), described Mandrel (6) lower end connect retaining mechanism；The retaining mechanism includes pressing sleeve (11), closing piece (12), lock claw (13) and lock tube (14), and the lock tube is set on (14) It sets lock claw (13), the lower end of the mandrel (6) is provided with the groove for placing closing piece (12), and the closing piece (12) passes through pressing sleeve (11) fixed, the pressing sleeve (11) is fixedly connected with lock claw (13), and the lower end of the lock tube (14) is connect with junk mill (16)；The periphery of the mandrel (6) is provided with outer cylinder (10), and the position that mandrel (6) scraper is corresponded on outer cylinder (10) is provided with out Mouthful, the outer cylinder (10) upper end is located on the step of top connection (1) and is threadedly coupled with it, the piston (4) upper end and Outer cylinder (10) closely connect, and piston (4) between middle and lower part and outer cylinder there are gap, the piston was provided with liquid on (4) Hole, liquid pass hole are connected to gap；Step is arranged in the lower end of the outer cylinder (10), and the lock tube (14) is located at outer cylinder (10) It is fixedly connected on step by screw.
- 2. leading to scrape integrated tool according to claim 1, which is characterized in that be provided with foot in the middle part of the mandrel (6) Enough eject the protrusion of scraper (9).
- 3. leading to scrape integrated tool according to claim 1, which is characterized in that the scraper (9) includes that longitudinal cross-section is in The blade of arc is tiltedly installed with several bar shaped knife edge parts around blade outer wall, and there are mistakes between adjacent bar knife edge part Liquid channel, the knife edge part are an integral molding structure with blade.
- 4. leading to scrape integrated tool according to claim 1, which is characterized in that the top connection (1) and outer cylinder (10) is even It is provided with seal groove on the outer wall connect and is equipped with sealing ring (2), the piston (4) and outer cylinder (10) are slidingly sealed cooperation Outer wall be equipped with and seal groove and be equipped with sealing ring (2), mandrel (6) be mutually slidingly sealed the interior of cooperation with outer cylinder (10) It is provided with seal groove on wall and sealing ring (2) are installed.
- 5. leading to scrape integrated tool according to claim 1, which is characterized in that the lock tube (14) passes through with junk mill (16) Fluting tapered end holding screw (15) is fixedly connected.
- 6. leading to scrape integrated tool according to claim 1, which is characterized in that the diameter and core of the level-one steel ball (5) Internal diameter at axis (6) upper end is equal, and the diameter of the second level steel ball (3) is equal with the internal diameter at the upper end of piston (4), described Level-one steel ball (5) diameter be less than second level steel ball (3) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750632.XU CN209083262U (en) | 2018-10-27 | 2018-10-27 | One kind is logical to scrape integrated tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750632.XU CN209083262U (en) | 2018-10-27 | 2018-10-27 | One kind is logical to scrape integrated tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083262U true CN209083262U (en) | 2019-07-09 |
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ID=67120999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821750632.XU Active CN209083262U (en) | 2018-10-27 | 2018-10-27 | One kind is logical to scrape integrated tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209297A (en) * | 2018-10-27 | 2019-01-15 | 濮阳东昊机械电子有限公司 | One kind is logical to scrape integrated tool |
-
2018
- 2018-10-27 CN CN201821750632.XU patent/CN209083262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209297A (en) * | 2018-10-27 | 2019-01-15 | 濮阳东昊机械电子有限公司 | One kind is logical to scrape integrated tool |
| CN109209297B (en) * | 2018-10-27 | 2023-12-29 | 濮阳市东昊机械电子有限公司 | General scraping integrated tool |
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