CN110500062A - Rotary sizing gauge - Google Patents
Rotary sizing gauge Download PDFInfo
- Publication number
- CN110500062A CN110500062A CN201810474348.2A CN201810474348A CN110500062A CN 110500062 A CN110500062 A CN 110500062A CN 201810474348 A CN201810474348 A CN 201810474348A CN 110500062 A CN110500062 A CN 110500062A
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- Prior art keywords
- pushing cylinder
- ontology
- groove
- circumferential slot
- raised
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- 238000004513 sizing Methods 0.000 title claims abstract description 65
- 238000007790 scraping Methods 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 22
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 210000004907 gland Anatomy 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 24
- 238000011161 development Methods 0.000 abstract description 2
- NYNKCGWJPNZJMI-UHFFFAOYSA-N Clebopride malate Chemical compound [O-]C(=O)C(O)CC(O)=O.COC1=CC(N)=C(Cl)C=C1C(=O)NC1CC[NH+](CC=2C=CC=CC=2)CC1 NYNKCGWJPNZJMI-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000000664 rectum Anatomy 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
- E21B37/04—Scrapers specially adapted therefor operated by fluid pressure, e.g. free-piston scrapers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The invention discloses a rotary sizing gauge, and belongs to the field of downhole operation tools for oil and gas field development. When the rotary sizing gauge is configured to scrape, the first protrusion is buckled in the first circumferential groove, the second protrusion is buckled in the second circumferential groove, and the convex ring is buckled in the fourth groove, so that the rotary sizing gauge smoothly passes through the sleeve necking section; when the rotary sizing gauge is configured to scrape, high-pressure liquid is continuously injected into the rotary sizing gauge, the second part of the high-pressure liquid is a tapered circular table hole when the high-pressure liquid passes through a nozzle of the push cylinder, so that pressure drop is generated, the push cylinder is moved under the impact force of the high-pressure liquid, the convex ring is abutted against the second protrusion after leaving the fourth groove, the inner wall of the push cylinder is abutted against the first protrusion, the knife handle is moved upwards, the first elastic buffer device is compressed, part of the blade part is popped out of the body and is in close contact with the inner wall of the sleeve, and when the rotary sizing gauge rotates or moves up and down, the purpose well section at the lower part of the necking section of the sleeve is scraped.
Description
Technical field
The present invention relates to oil-gas field development underground operation tool field, in particular to a kind of rotation sizing rule.
Background technique
At present oil field carry out large repairs to oil gas water well, light maintenance or when measure operation, in order to ensure purpose well section of constructing
Internal surface of sleeve pipe latus rectum reaches construction technical requirement, is convenient for the various downhole tools of tripping in, needs first hard to what is retained on internal surface of sleeve pipe
Wax, salt crust and borehole burr etc. are purged, and carry out repeated multiple times scrape to entire pit shaft especially purpose well section and adjacent well section
It cuts.
What prior art middle sleeve scraping generallyd use is spring scraper, mainly by upper street corner, lower contact, shell, knife
The composition such as piece, spring and blade bearing, after the assembly is completed, blade can freely stretch out outer diameter it is bigger by 2 than institute's scraping casing inner diameter~
5mm or so.When going into the well, blade inwardly collapses compression packing element or spring, and maximum outside diameter is less than casing inner diameter, can smoothly enter well；
After entering well, under the effect of the elastic force of packing element or spring, blade is close to internal surface of sleeve pipe downlink, cuts internal surface of sleeve pipe.
In the implementation of the present invention, the inventors discovered that in the prior art the prior art has at least the following problems:
If scraping purpose well section is located at below casing necking segment, spring scraper in the prior art cannot pass through casing
Undergauge section, covers damage casing deformation well section in scraping or when encountering harder tamper, since casing inner diameter becomes smaller the pressure of pressing blade
Power is excessive, and exist makes scraping rear sleeve latus rectum that asking for job requirements be not achieved because spring force deficiency causes blade to be unable to fully pop-up
Topic, carry out subsequent job can not, or even subsequent job is caused to fail；Meanwhile it being tended to have in the spring scraper course of work broken
The deposits such as bits are stuck in the gap between scraper and blade groove, are caused the scraper of pop-up state not to be capable of resetting, are influenced scraper
Working normally even is stuck in scraper in casing.
Summary of the invention
In consideration of it, the present invention provides a kind of rotation sizing rule, set cannot be passed through to solve the spring scraper of the prior art
The problem of pipe necking segment carries out scraping to purpose well section, and scraper is unable to normal reset because adhering to clast in blade groove.
Specifically, including technical solution below:
A kind of rotation sizing rule, the rotation sizing rule include: ontology, pushing cylinder, scraper, the first elastic buffer device, gear
Block, the second elastic buffer device and sealing drum, wherein
The ontology and the pushing cylinder are hollow cylinder, and the pushing cylinder is movably inserted into the barrel chamber of the ontology
In；
The pushing cylinder is provided with nozzle, and the nozzle includes connected first and second, first inner hole
For towards second tapered round platform hole, second inner hole is cylindrical hole；
The second elastic buffer device is arranged between the pushing cylinder and the ontology, and one end is resisted against described
On the shoulder of internal wall, the other end is resisted against on the shoulder of the pushing cylinder outer wall；
The sealing drum is inserted into the barrel chamber of the pushing cylinder, and is connected with the pushing cylinder, and the pushing cylinder offers through-hole, institute
Sealing drum is stated for blocking the through-hole；
The outer wall of the ontology offers fixing groove, and the fixing groove includes the first groove and through slot of connection, described to scrape
Knife includes knife handle and blade, knife handle described in the block gland, and is fixed in first groove together, and the blade is fixed
It is in contact in the through slot, and with the pushing cylinder；The knife handle offers the second groove, and it is recessed that the block offers third
Slot, the second elastic buffer device are arranged in second groove and the third groove；
The blade is provided with the first protrusion and the second protrusion, and the is formed between first protrusion and second protrusion
Four grooves；The outer wall of the pushing cylinder offers the first circumferential slot and the second circumferential slot, first circumferential slot and the second week
To forming flange collar between slot；
When the rotation sizing rule are not configured as scraping, first protrusion is buckled in first circumferential slot, institute
It states the second protrusion to be buckled in second circumferential slot, the flange collar is buckled in the 4th groove；The rotation sizing
When rule are configured as scraping, the flange collar is resisted against in second protrusion.
Selectively, first protrusion is in the side of separate second protrusion and second protrusion close to described
The side of first protrusion is set as inclined-plane, and the cell wall of first circumferential slot is in side far from second circumferential slot and described
The cell wall of second circumferential slot is set as the conical surface in the side close to first circumferential slot, and the inclined-plane is resisted against the conical surface
On.
Selectively, the quantity of the fixing groove is 5~6, and the uniformly distributed ring week in the ontology.
Selectively, the rotation sizing rule further include: sphere, one end of the sealing drum are provided with ball seat, the ball
Body is set on the ball seat.
Selectively, the rotation sizing rule further include: connector, one end of the connector is connected with the ontology, described
The other end of connector is connected with tubing string.
Selectively, the rotation sizing rule further include: orientation spool, the orientation spool are arranged in the ontology and institute
It states between connector, is connected with the ontology, and one end when the rotation sizing rule are not configured as scraping with the pushing cylinder
It is in contact.
Technical solution provided in an embodiment of the present invention the utility model has the advantages that
1, when rotation sizing rule are not configured as scraping, the first protrusion is buckled in the first circumferential slot, the second protrusion buckle
In the second circumferential slot, flange collar is buckled in the 4th groove, so that rotation sizing rule can pass through casing necking segment；It is revolving
Turn sizing rule when being configured to scraping, by being continuously injected into highly pressurised liquid into rotation sizing rule, highly pressurised liquid is passing through pushing cylinder
When nozzle, due to second be tapered round platform hole, thus generate pressure drop, under the impact force of highly pressurised liquid, pushing cylinder is moved,
So that flange collar is resisted against in the second protrusion after leaving the 4th groove, the inner wall of pushing cylinder is resisted against in the first protrusion, and knife handle moves up, the
One elastic buffer device is compressed, and part blade is popped up from ontology, is in close contact with internal surface of sleeve pipe, when rotation or upper and lower fortune
When dynamic rotation sizing rule, it may be implemented to carry out scraping to the purpose well section of casing necking down pars infrasegmentalis；
2, due to the movement of pushing cylinder, made by the second elastic buffer device of setting when rotation sizing rule are configured to scraping
The second elastic buffer device is obtained to be compressed；After the completion of scraping, by shutting down the hydraulic pump of well head, so that being generated by highly pressurised liquid
Hydraulic disappearance, the second elastic buffer device resets, so that pushing cylinder resets, rotation sizing rule are restored to and are not configured as scraping
The state cut can will rotate sizing rule and be moved to the purpose well section that other in pit shaft need scraping, and turn on pump carries out scraping again
Operation；
3, when fixing groove is blocked, since pushing cylinder offers through-hole, highly pressurised liquid can enter pushing cylinder by through-hole, solution
Blocking except deposit to fixing groove solves the problems, such as that scraper is unable to normal reset because adhering to clast in fixing groove；Work as rotation
Sizing is advised in scraping state, by the way that the sealing drum being connected with pushing cylinder is arranged, is realized the closure to through-hole, is prevented highly pressurised liquid logical
Through-hole outflow rotation sizing rule are crossed, the pop-up of scraper is influenced.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is structural schematic diagram when a kind of rotation sizing rule provided in an embodiment of the present invention are not configured as scraping；
Fig. 2 is that a kind of rotation sizing provided in an embodiment of the present invention advises blade and the partial structurtes of pushing cylinder contact position are illustrated
Figure；
Fig. 3 is structural schematic diagram when a kind of rotation sizing rule provided in an embodiment of the present invention are configured as scraping；
Fig. 4 is that a kind of structure of the rotation sizing rule provided in an embodiment of the present invention when removing the deposit in fixing groove is shown
It is intended to.
Appended drawing reference in figure respectively indicates are as follows:
1, ontology；
2, pushing cylinder；201, the first circumferential slot；202, the second circumferential slot；203, flange collar；204, through-hole；
3, scraper；301, knife handle；302, blade；3021, the first protrusion；3022, the second protrusion；3023, the 4th groove；
4, the first elastic buffer device；
5, block；
6, nozzle；601, first；602, second；
7, the second elastic buffer device；
8, sealing drum；
9, sphere；
10, connector；
11, orientation spool；
12, the first fixing screws；
13, the second fixing screws；
14, anti-rotation screw.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, below in conjunction with attached drawing to embodiment of the present invention make into
One step it is described in detail.
The embodiment of the invention provides a kind of rotation sizing rule, and structural schematic diagram is as shown in Fig. 1 or Fig. 3, comprising: ontology
1, pushing cylinder 2, scraper 3, the first elastic buffer device 4, block 5, the second elastic buffer device 7 and sealing drum 8.
Wherein, ontology 1 and pushing cylinder 2 are hollow cylinder, and pushing cylinder 2 is movably inserted into the barrel chamber of ontology 1；
Pushing cylinder 2 is provided with nozzle 6, and nozzle 6 includes first 601 and second 602 to be connected, first 601 inner hole
For towards second 602 tapered round platform hole, second 602 inner hole is cylindrical hole；
Second elastic buffer device 7 is arranged between pushing cylinder 2 and ontology 1, and one end is resisted against the platform of 1 inner wall of ontology
On shoulder, the other end is resisted against on the shoulder of 2 outer wall of pushing cylinder, as shown in Figure 1；
Sealing drum 8 is inserted into the barrel chamber of pushing cylinder 2, and is connected with pushing cylinder 2, and pushing cylinder 2 offers through-hole 204, and sealing drum 8 is used for
Block through-hole 204；
The outer wall of ontology 1 offers fixing groove, and fixing groove includes the first groove and through slot of connection, and scraper 3 includes knife handle
301 and blade 302,5 gland knife handle 301 of block, and be fixed in the first groove together, blade 302 is fixed in through slot, and with
Pushing cylinder 2 is in contact；Knife handle 301 offers the second groove, and block 5 offers third groove, the setting of the first elastic buffer device 4
In the second groove and third groove；
Blade 302 is provided with the first protrusion 3021 and second protrusion 3022, the first protrusion 3021 and the second protrusion 3022 it
Between formed the 4th groove 3023；The outer wall of pushing cylinder 2 offers the first circumferential slot 201 and the second circumferential slot 202, the first circumferential slot
201 and second form flange collar 203 between circumferential slot 202；
When rotation sizing rule are not configured as scraping, the first protrusion 3021 is buckled in the first circumferential slot 201, the second protrusion
3022 are buckled in the second circumferential slot 202, and flange collar 203 is buckled in the 4th groove 3023；Rotation sizing rule are configured as scraping
When, flange collar 203 is resisted against in the second protrusion 3022.
It should be noted that block 5 can be connected by the first fixing screws 12 with ontology 1, such as Fig. 1 or Fig. 3 or Fig. 4 institute
Show, and in order to ensure fixed fastness, the quantity of the second fixing screws 12 can be multiple.
The working principle of the rotation sizing rule of the embodiment of the present invention are as follows:
(1) when rotation sizing rule are not configured as scraping, the first protrusion 3021 is buckled in the first circumferential slot 201, and second
Protrusion 3022 is buckled in the second circumferential slot 202, and flange collar 203 is buckled in the 4th groove 3023, so that rotation sizing rule can be with
Pass through casing necking segment；When rotation sizing rule are configured to scraping, by being continuously injected into high pressure liquid into rotation sizing rule
Body, highly pressurised liquid since second 602 be tapered round platform hole, thus generate pressure drop, in height when through the nozzle 6 of pushing cylinder 2
Under the impact force of press liquid, pushing cylinder 2 is moved, so that flange collar 203 is resisted against the second protrusion 3022 after leaving the 4th groove 3023
On, the inner wall of pushing cylinder 2 is resisted against in the first protrusion 3021, and knife handle 301 moves up, and the first elastic buffer device 4 is compressed, part sword
Portion 302 is popped up from ontology 1, is in close contact with internal surface of sleeve pipe, when rotation or up and down motion rotation sizing rule, may be implemented
Scraping is carried out to the purpose well section of casing necking down pars infrasegmentalis；
(2) by the second elastic buffer device 7 of setting, when rotation sizing rule are configured to scraping, due to the shifting of pushing cylinder 2
It is dynamic, so that the second elastic buffer device 7 is compressed；After the completion of scraping, by shutting down the hydraulic pump of well head, so that by high pressure liquid
Body generate hydraulic disappearance, the second elastic buffer device 7 reset so that pushing cylinder 2 reset, rotation sizing rule be restored to not by
It is configured to the state of scraping, sizing rule can will be rotated and be moved to the purpose well section that other in pit shaft need scraping, again turn on pump
Carry out scraping；
(3) when fixing groove is blocked, since pushing cylinder 2 offers through-hole 204, highly pressurised liquid can by through-hole 204 into
Enter pushing cylinder 2, release blocking of the deposit to fixing groove, solves scraper 3 because adhering to clast in fixing groove and be unable to normal reset
Problem；When rotation sizing rule are in scraping state, by the way that the sealing drum 8 being connected with pushing cylinder 2, envelope of the realization to through-hole 204 is arranged
It is stifled, it prevents highly pressurised liquid by the outflow rotation sizing rule of through-hole 204, influences the pop-up of scraper 3.
Explanation is further explained to each component part of the rotation sizing rule of the embodiment of the present invention below:
In order to ensure stress balance, for scraper 3, the knife handle 301 of scraper 3 can be symmetricly set on blade 302
Two sides allow blade 302 to keep balancing as shown in Fig. 1 or Fig. 3 or Fig. 4.
Correspondingly, the first groove is symmetricly set on the two sides of through slot, and the quantity of block 5 is identical as the quantity of knife handle 301.
In order to realize that flange collar 203 is resisted against in the second protrusion 3022, the first protrusion 3021 is in separate second protrusion 3022
Side and the second protrusion 3022 are set as inclined-plane in the side close to the first protrusion 3021, and the cell wall of the first circumferential slot 201 is remote
The cell wall of side and the second circumferential slot 202 from the second circumferential slot 202 is set as boring in the side close to the first circumferential slot 201
Face, that is, flange collar 203 are set as the conical surface close to the side of the second circumferential slot 202, and inclined-plane is resisted against on the conical surface, as shown in Figure 2.
So set, making pushing cylinder 2 main body and flange collar 203 of first circumferential slot 201 far from 202 side of the second circumferential slot
Side close to the second circumferential slot 202 can be slided under the impact force action of highly pressurised liquid along inclined-plane, the first circumferential slot 201
2 main body of pushing cylinder far from 202 side of the second circumferential slot can be resisted against in the first protrusion 3021, and it is convex that flange collar 203 is resisted against second
It rises on 3022, realizes part blade 302 from the pop-up in ontology 1.
In order to realize the movement of pushing cylinder 2, nozzle 6 plays the role of critical.
When in use, model (the inner hole ruler of the nozzle 6 of different model of nozzle 6 can be not only replaced according to the actual situation
Very little difference), and so set, passing through for highly pressurised liquid can be conducive to, play the role of water conservancy diversion.
In embodiments of the present invention, nozzle 6 may be used also other than it may include connected first 601 and second 602
Think the barrel dliameter tapered configuration being formed directly into pushing cylinder 2, the production of pushing cylinder 2 can be carried out according to actual working condition requirement.
In order to which the scraping to set tube wall is better achieved, in structure setting, the quantity of fixing groove is 5~6, and
The uniformly distributed ring week in ontology 1, as shown in Fig. 1 or Fig. 3 or Fig. 4.It will be appreciated by persons skilled in the art that scraper 3
Quantity is identical as the quantity of fixing groove, that is to say, that the uniformly distributed ring week in ontology 1 of scraper 3.
The insufficient pop-up of blade 302 in order to prevent, and scraping rear sleeve latus rectum is made to be not achieved job requirements, scraper 3 and pushes away
The material that cylinder 2 uses is rigidity material.Therefore, the two is when contacting with each other, and what is generated each other is rigidity contact, can be with
It effectively prevent blade 302 rebound phenomenon occur during scraping, to guarantee that the run through casing size after scraping reaches design requirement.
For the first elastic buffer device 4 and the second elastic buffer device 7, the first elastic buffer device 4 and second
Elastic buffer device 7 all can be spring or Elastic plastic-rubber pad, be not especially limited in embodiments of the present invention.
For example, the first elastic buffer device 4 and the second elastic buffer device 7 can be spring, such as Fig. 1 or Fig. 3 or
Shown in Fig. 4.
For sealing drum 8, sealing drum 8 plays the role of blocking through-hole 204, in order to realize the fixation of sealing drum 8,
Can be connected by the second fixing screws 13 between sealing drum 8 and pushing cylinder 2, as shown in Fig. 1 or Fig. 3, with ensure sealing drum 2 with
Position between pushing cylinder 2 is relatively fixed.
For through-hole 204, the quantity of through-hole 204 can be 5~6, the uniformly distributed circumferential direction in pushing cylinder 2, can be with
It is connected to the second circumferential slot 202, can not also be connected to, be not specifically limited herein with the second circumferential slot 202；The axis of through-hole 204
Angle between line and the axis of pushing cylinder 2 can be 40~60 °, pour convenient for the high speed of highly pressurised liquid.
Further, rotation sizing rule further include: one end of sphere 9, sealing drum 8 is provided with ball seat, as shown in figure 4, ball
Body 9 is set on ball seat.
During scraping, if the deposit of scraping is drilled into fixing groove, it be easy to cause scraper 3 is stuck cannot pop up,
Directly influence the using effect and reset function of scraper 3.At this point, by investment sphere 9, so that sphere 9 is set on ball seat,
So that highly pressurised liquid no longer can be by sealing drum 8, by building the pressure for highly pressurised liquid, the second fixing screws 13 are cut, sealing drum 8
Relative displacement is generated between pushing cylinder 2, highly pressurised liquid is punched into fixing groove by through-hole 204, in high speed impact
Under effect, the deposit in fixing groove can be rushed out, to release the stuck state of scraper 3.
For the overall structure of rotation sizing rule, rotation sizing rule can also include: connector 10, one end of connector 10
It is connected with ontology 1, the other end of connector 10 is connected with tubing string.
By the way that connector 10 is arranged, it is connected convenient for rotation sizing rule with tubing string.
Further, rotation sizing rule can also include: orientation spool 11, and orientation spool 11 is arranged in ontology 1 and connector
Between 10, it is connected with ontology 1, and is in contact when rotating sizing rule and being not configured as scraping with one end of pushing cylinder 2, as shown in Figure 1,
Convenient for connection ontology 1 and connector 10.
Specifically, one end of orientation spool 11 is provided with the first internal thread segment, and the other end is provided with the first external thread section, connects
First 10 one end is provided with the second external thread section, and one end of ontology 1 is provided with the second internal thread segment, the first internal thread segment and second
External thread section cooperation, realizes the threaded connection between orientation spool 11 and connector 10；First external thread section and the second internal thread segment
The threaded connection between orientation spool 11 and ontology 1 is realized in cooperation.
Meanwhile being rotated between orientation spool 11 and ontology 1 in order to prevent, influence the scraping of rotation sizing rule, In
The circumferential direction of orientation spool 11 offers 2~3 groups of threaded holes, corresponding, and the circumferential direction of ontology 1 is also evenly distributed with 2~3 groups of threaded holes, anti-rotation
Screw 14 is suitable for screwing in the threaded hole of ontology 1 and orientation spool 11, further fixes orientation spool 11 and ontology 1.
In the actual use process, after connector 10 being connect with tubing string, by transferring tubing string, realizing will rotation sizing rule
It is lowered into well, the purpose well section of scraping is needed by resting on after casing necking segment, rotation sizing rule at this time are in small straight
Diameter state；
Hydraulic pump is opened, and reaches design discharge capacity, highly pressurised liquid generates pressure drop after flowing through nozzle 6, in rushing for highly pressurised liquid
It is mobile to hit under power pushing cylinder 2, the second elastic buffer device 7 is compressed, and flange collar 203 leaves that be resisted against second after the 4th groove 3023 convex
It rising on 3022, the inner wall of pushing cylinder 2 is resisted against in the first protrusion 3021, and knife handle 301 moves up, and the first elastic buffer device 4 is compressed,
Part blade 302 is popped up from ontology 1, realize with the close contact of internal surface of sleeve pipe, by rotation to rotation sizing rule and on
Lower reciprocating motion, blade 302 can cut off the obturator on internal surface of sleeve pipe, and the run through casing size after making scraping reaches lower part construction
It is required that；
Hydraulic pump is shut down after the completion of scraping, the hydraulic thrust on pushing cylinder 2 disappears, in the elastic force of the second elastic buffer device 7
The mobile reset of lower push-rod 2 is acted on, minor diameter state is restored.
The above is merely for convenience of it will be understood by those skilled in the art that technical solution of the present invention, not to limit
The present invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (6)
1. a kind of rotation sizing rule, which is characterized in that it includes: ontology (1), pushing cylinder (2), scraper (3), that the rotation sizing, which is advised,
One elastic buffer device (4), block (5), the second elastic buffer device (7) and sealing drum (8), wherein
The ontology (1) and the pushing cylinder (2) are hollow cylinder, and the pushing cylinder (2) is movably inserted into the ontology (1)
Barrel chamber in；
The pushing cylinder (2) is provided with nozzle (6), and the nozzle (6) includes connected first (601) and second (602), institute
The inner hole for stating first (601) is the round platform hole tapered towards second (602), and the inner hole of second (602) is
Cylindrical hole；
The second elastic buffer device (7) is arranged between the pushing cylinder (2) and the ontology (1), and one end is resisted against
On the shoulder of ontology (1) inner wall, the other end is resisted against on the shoulder of the pushing cylinder (2) outer wall；
The sealing drum (8) is inserted into the barrel chamber of the pushing cylinder (2), and is connected with the pushing cylinder (2), and the pushing cylinder (2) opens up
Have through-hole (204), the sealing drum (8) is for blocking the through-hole (204)；
The outer wall of the ontology (1) offers fixing groove, and the fixing groove includes the first groove and through slot of connection, the scraper
It (3) include knife handle (301) and blade (302), knife handle (301) described in block (5) gland, and it is fixed on described first together
In groove, the blade (302) is fixed in the through slot, and is in contact with the pushing cylinder (2)；The knife handle (301) opens up
There is the second groove, the block (5) offers third groove, and the first elastic buffer device (4) setting is recessed described second
In slot and the third groove；
The blade (302) is provided with first raised (3021) and second raised (3022), described first raised (3021) and institute
It states and forms the 4th groove (3023) between second raised (3022)；The outer wall of the pushing cylinder (2) offers the first circumferential slot (201)
With the second circumferential slot (202), flange collar (203) are formed between first circumferential slot (201) and second circumferential slot (202)；
When the rotation sizing rule are not configured as scraping, described first raised (3021) are buckled in first circumferential slot
(201) in, described second raised (3022) are buckled in second circumferential slot (202), and the flange collar (203) is buckled in described
In 4th groove (3023)；When the rotation sizing rule are configured as scraping, the flange collar (203) is resisted against second protrusion
(3022) on.
2. spin orientation according to claim 1 rule, which is characterized in that described first raised (3021) are far from described the
The side of two raised (3022) and second raised (3022) are being set as oblique close to the side of described first raised (3021)
Face, side and second circumferential slot of the cell wall of first circumferential slot (201) in separate second circumferential slot (202)
(202) cell wall is set as the conical surface in the side close to first circumferential slot (201), and the inclined-plane is resisted against the conical surface
On.
3. spin orientation rule according to claim 1, which is characterized in that the quantity of the fixing groove is 5~6, and
The even ring week for being laid in the ontology (1).
4. spin orientation rule according to claim 1, which is characterized in that the rotation sizing rule further include: sphere (9),
One end of the sealing drum (8) is provided with ball seat, and the sphere (9) sets on the ball seat.
5. spin orientation rule according to claim 1, which is characterized in that the rotation sizing rule further include: connector (10),
One end of the connector (10) is connected with the ontology (1), and the other end of the connector (10) is connected with tubing string.
6. spin orientation rule according to claim 5, which is characterized in that the rotation sizing rule further include: orientation spool
(11), the orientation spool (11) is arranged between the ontology (1) and the connector (10), is connected with the ontology (1), and
It is in contact when rotation sizing rule are not configured as scraping with one end of the pushing cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112323599A (en) * | 2020-10-19 | 2021-02-05 | 河南城建学院 | Road construction is with safety arrangement for cracker |
| CN115126443A (en) * | 2022-06-28 | 2022-09-30 | 中国石油天然气集团有限公司 | Sizing scraping milling device |
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| CN115126443A (en) * | 2022-06-28 | 2022-09-30 | 中国石油天然气集团有限公司 | Sizing scraping milling device |
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