CN203961905U - Oil pipe exhaust plant - Google Patents
Oil pipe exhaust plant Download PDFInfo
- Publication number
- CN203961905U CN203961905U CN201420240261.6U CN201420240261U CN203961905U CN 203961905 U CN203961905 U CN 203961905U CN 201420240261 U CN201420240261 U CN 201420240261U CN 203961905 U CN203961905 U CN 203961905U
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- sliding sleeve
- shell
- flow guide
- steam vent
- guide sleeve
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Abstract
The utility model is oil pipe exhaust plant, for casing damage well workover treatment.This crust of the device sidewall is provided with steam vent, has ball in steam vent, and steam vent exit is provided with backing pin; Shell inner vent is to divide into hole positioning step; Sliding sleeve is installed in shell, and sliding sleeve is fixed with shear pin; It is cylindric that the outer wall of sliding sleeve is ladder, and at path, place establishes pod apertures; Top connection is established in shell upper end, and the endoporus of top connection matches with the cylindric appearance of ladder of sliding sleeve respectively with the endoporus of shell, coordinating in sliding sleeve periphery in upper end, middle part and lower end establish three seals circle; Flow guide sleeve is installed in shell lower end, and flow guide sleeve upper end is established shear pin blind plugging is fixed in flow guide sleeve.By steam vent, sliding sleeve and pod apertures are set, make this device there are empty lower tubular column, exhaust and three functions of pilot.
Description
Technical field
The utility model relates to the supporting downhole tool of the workover tool using in oil field development, is oil pipe exhaust plant specifically, for the oil-water well that occurs casing damage is carried out to repair.
Background technology
In oil-water well well workover field due to the demand of some special process, the inside and outside liquid of oil pipe is wanted different densities, therefore traditional device that can automatic grouting cannot meet technique needs, can only descend empty tube column, the form of being in the milk by ground again after waiting instrument to be lowered to put in place will be full of liquid in oil pipe, now because the internal diameter of tubing string is less, and tubing string is longer, air is difficult to discharge smoothly, therefore very easily forms grouting discontented, or forms the situations such as whitewashing.Grouting operation is not only loaded down with trivial details, wastes time and energy, and also easy contaminated environment, extreme case also may cause down-hole workover tool to lose efficacy.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides oil pipe exhaust plant, and this device can be easily the Bas Discharged in oil pipe or drilling rod after workover tool puts in place under down-hole.
The technical solution of the utility model is: oil pipe exhaust plant, and side wall of outer shell is provided with steam vent, and the outer imperial palace of steam vent diameter is little, is provided with ball in steam vent, and steam vent exit is provided with backing pin; Shell endoporus is provided with positioning step, and positioning step is positioned at below steam vent, and sliding sleeve is installed in shell, sliding sleeve is fixed through side wall of outer shell with shear pin, makes the lower end of sliding sleeve be positioned at the above position of steam vent; It is cylindric that the outer wall of sliding sleeve is ladder, and its diameter is up-small and down-big, establishes radial guiding discharge orifice at path place; Top connection is established in shell upper end, the endoporus of top connection matches with the cylindric appearance of ladder of sliding sleeve respectively with the endoporus of shell, coordinating in sliding sleeve periphery in upper end, middle part and lower end establish three seals circle, its middle part sealing ring is between shear pin and pod apertures, and in the middle of it, the distance of sealing ring and lower end sealing ring is in the time that sliding sleeve lower end is sitting on positioning step, intermediate seal circle and lower end sealing ring energy seal vents; Flow guide sleeve is installed in shell lower end, and flow guide sleeve upper end is established shear pin blind plugging is fixed in flow guide sleeve.
The utility model can also be realized like this: oil pipe exhaust plant, and side wall of outer shell is provided with steam vent, and the outer imperial palace of steam vent diameter is little, is provided with ball in steam vent, and steam vent exit is provided with backing pin; Shell endoporus is provided with positioning step, and positioning step is positioned at below steam vent, and sliding sleeve is installed in shell, sliding sleeve is fixed through side wall of outer shell with shear pin, makes the lower end of sliding sleeve be positioned at the above position of steam vent; It is cylindric that the outer wall of sliding sleeve is ladder, and its diameter is up-small and down-big, establishes radial guiding discharge orifice at path place; Top connection is established in shell upper end, the endoporus of top connection matches with the cylindric appearance of ladder of sliding sleeve respectively with the endoporus of shell, coordinating in sliding sleeve periphery in upper end, middle part and lower end establish three seals circle, its middle part sealing ring is between shear pin and pod apertures, and in the middle of it, the distance of sealing ring and lower end sealing ring is in the time that sliding sleeve lower end is sitting on positioning step, intermediate seal circle and lower end sealing ring energy seal vents; Flow guide sleeve is installed in shell lower end, and flow guide sleeve upper end is established shear pin blind plugging is fixed in flow guide sleeve; Joint is set in shell lower end, and described flow guide sleeve is to be fixed on shell lower end with lower contact, and described flow guide sleeve is cup-shaped, establishes guiding gutter at the sidewall of flow guide sleeve.
The utility model can also be realized like this: oil pipe exhaust plant, and side wall of outer shell is provided with steam vent, and the outer imperial palace of steam vent diameter is little, is provided with ball in steam vent, and steam vent exit is provided with backing pin; Shell endoporus is provided with positioning step, and positioning step is positioned at below steam vent, and sliding sleeve is installed in shell, sliding sleeve is fixed through side wall of outer shell with shear pin, makes the lower end of sliding sleeve be positioned at the above position of steam vent; It is cylindric that the outer wall of sliding sleeve is ladder, and its diameter is up-small and down-big, establishes radial guiding discharge orifice at path place; Top connection is established in shell upper end, the endoporus of top connection matches with the cylindric appearance of ladder of sliding sleeve respectively with the endoporus of shell, coordinating in sliding sleeve periphery in upper end, middle part and lower end establish three seals circle, its middle part sealing ring is between shear pin and pod apertures, and in the middle of it, the distance of sealing ring and lower end sealing ring is in the time that sliding sleeve lower end is sitting on positioning step, intermediate seal circle and lower end sealing ring energy seal vents; Flow guide sleeve is installed in shell lower end, and flow guide sleeve upper end is established shear pin blind plugging is fixed in flow guide sleeve; Joint is set in shell lower end, and described flow guide sleeve is to be fixed on shell lower end with lower contact, and described flow guide sleeve is cup-shaped, establishes guiding gutter at the sidewall of flow guide sleeve; Described flow guide sleeve periphery is established isolating seal circle in shear pin with upper/lower positions, and in the time that sliding sleeve lower end is sitting on positioning step, described isolating seal circle matches with seal vents with sliding sleeve endoporus.
The utility model can also be realized like this: oil pipe exhaust plant, and side wall of outer shell is provided with steam vent, and the outer imperial palace of steam vent diameter is little, is provided with ball in steam vent, and steam vent exit is provided with backing pin; Shell endoporus is provided with positioning step, and positioning step is positioned at below steam vent, and sliding sleeve is installed in shell, sliding sleeve is fixed through side wall of outer shell with shear pin, makes the lower end of sliding sleeve be positioned at the above position of steam vent; It is cylindric that the outer wall of sliding sleeve is ladder, and its diameter is up-small and down-big, establishes radial guiding discharge orifice at path place; Top connection is established in shell upper end, the endoporus of top connection matches with the cylindric appearance of ladder of sliding sleeve respectively with the endoporus of shell, coordinating in sliding sleeve periphery in upper end, middle part and lower end establish three seals circle, its middle part sealing ring is between shear pin and pod apertures, and in the middle of it, the distance of sealing ring and lower end sealing ring is in the time that sliding sleeve lower end is sitting on positioning step, intermediate seal circle and lower end sealing ring energy seal vents; Flow guide sleeve is installed in shell lower end, and flow guide sleeve upper end is established shear pin blind plugging is fixed in flow guide sleeve; Joint is set in shell lower end, and described flow guide sleeve is to divide into cupped baffle, and flow guide sleeve and baffle plate are to be fixed on shell lower end with lower contact; The internal diameter of baffle plate is large compared with the external diameter of blind plugging, and the cup like bottom of baffle plate is provided with lower pod apertures.
The utility model can also be realized like this: oil pipe exhaust plant, and side wall of outer shell is provided with steam vent, and the outer imperial palace of steam vent diameter is little, is provided with ball in steam vent, and steam vent exit is provided with backing pin; Shell endoporus is provided with positioning step, and positioning step is positioned at below steam vent, and sliding sleeve is installed in shell, sliding sleeve is fixed through side wall of outer shell with shear pin, makes the lower end of sliding sleeve be positioned at the above position of steam vent; It is cylindric that the outer wall of sliding sleeve is ladder, and its diameter is up-small and down-big, establishes radial guiding discharge orifice at path place; Top connection is established in shell upper end, the endoporus of top connection matches with the cylindric appearance of ladder of sliding sleeve respectively with the endoporus of shell, coordinating in sliding sleeve periphery in upper end, middle part and lower end establish three seals circle, its middle part sealing ring is between shear pin and pod apertures, and in the middle of it, the distance of sealing ring and lower end sealing ring is in the time that sliding sleeve lower end is sitting on positioning step, intermediate seal circle and lower end sealing ring energy seal vents; Flow guide sleeve is installed in shell lower end, and flow guide sleeve upper end is established shear pin blind plugging is fixed in flow guide sleeve; Joint is set in shell lower end, and described flow guide sleeve is to divide into cupped baffle, and flow guide sleeve and baffle plate are to be fixed on shell lower end with lower contact; The internal diameter of baffle plate is large compared with the external diameter of blind plugging, and the cup like bottom of baffle plate is provided with lower pod apertures; Described flow guide sleeve periphery is established isolating seal circle in shear pin with upper/lower positions, and in the time that sliding sleeve lower end is sitting on positioning step, described isolating seal circle matches with seal vents with sliding sleeve endoporus.
The beneficial effects of the utility model are, by steam vent, sliding sleeve and pod apertures are set, this device tool three functions, the one, it is air in oil pipe that oil pipe band downhole tool is gone into the well in process, be that so-called dry pipe is gone into the well, the 2nd, after putting in place under instrument, the air in oil pipe can be discharged to oil jacket annular space by pumping plug, the 3rd, can be vent closure after drained air, and can hydraulic coupling more than oil pipe exhaust plant pass to this device with instrument.
Brief description of the drawings
Fig. 1 is oil pipe exhauster structure figure.
Fig. 2 is that oil pipe exhaust plant completes the view after exhaust.
Fig. 3 is the structure chart of oil pipe exhaust plant embodiment mono-.
Fig. 4 is the view that oil pipe exhaust plant embodiment mono-completes after exhaust.
Fig. 5 is the structure chart of oil pipe exhaust plant embodiment bis-.
Fig. 6 is the view that oil pipe exhaust plant embodiment bis-completes after exhaust.
Detailed description of the invention
Referring to Fig. 1 oil pipe exhauster structure figure.Oil pipe exhaust plant, shell 112 sidewalls are provided with steam vent 111, and the outer imperial palace of steam vent 111 diameters is little, is provided with ball 109 in steam vent 111, and steam vent 111 exits are provided with backing pin 107; Shell 112 endoporus are provided with positioning step 113, and positioning step 113 is positioned at steam vent below 111, and the interior installation sliding sleeve 105 of shell 112 is fixed sliding sleeve 105 through shell 112 sidewalls with shear pin 106, makes the lower end of sliding sleeve 105 be positioned at the above position of steam vent 111; It is cylindric that the outer wall of sliding sleeve 105 is ladder, and its diameter is up-small and down-big, establishes radial guiding discharge orifice 103 at path place; Top connection 101 is established in shell 112 upper ends, the endoporus of top connection 101 matches with the cylindric appearance of ladder of sliding sleeve 105 respectively with the endoporus of shell 112, coordinating in sliding sleeve 105 peripheries in upper end, middle part and lower end establish three seals circle 102,104 and 110, its middle part sealing ring 104 is between shear pin 106 and pod apertures 103, and sealing ring 104 is in the time that sliding sleeve 105 lower ends are sitting on positioning step 113 with the distance of lower end sealing ring 110 in the middle of it, intermediate seal circle 104 and lower end sealing ring 110 energy seal vents 111; In shell 112 lower ends, flow guide sleeve 117 is installed, flow guide sleeve 117 upper ends are established shear pin 115 blind plugging 114 are fixed in flow guide sleeve 117.For hydraulic packing, between two part fitting faces of device, sealing ring is installed, as shown in FIG., between blind plugging 114 and flow guide sleeve 117, seal with sealing ring 116, such sealing means no longer repeats in the following description.In order to make the ball in steam vent have good sealing performance, also when making this device be used in horizontal well, ball energy seal vents, between ball 109 and backing pin 107, be provided with spring 108, in the following embodiments, the effect of the spring in steam vent is identical, in embodiment below describes, no longer repeats.
The know-why of this device is referring to Fig. 2, and this is that the exhaust plant of oil pipe shown in Fig. 1 completes the view after exhaust.This device is arranged on well workover pipe string as kit, usually, under this device, connect workover tool, on connect oil pipe, in the time that workover tool reaches projected depth in down-hole, carry out exhaust operation according to design process: first drop into a plug 230 from well head, with design displacement fluid pumping plug along descending in oil pipe, the compressed pressure rising of air pusher below plug kicks off 109 to be discharged to oil jacket annular space, plug 230 arrives behind sliding sleeve 105 upper ends, improving hydraulic coupling sliding sleeve 105 cuts off shear pin 106, descending its lower end of sliding sleeve 105 arrives on positioning step 113, at this moment steam vent 111 is closed.Displacement fluid passes to blind plugging 114 through pod apertures 103 hydraulic coupling, again improves hydraulic coupling, and shear pin 115 is cut off in blind plugging 114, and blind plugging 114 is descending, and at this moment, the hydraulic coupling of oil pipe exhaust plant inner chamber can be transmitted from top to bottom, thereby completes the hydraulic operation of exhaust.
Referring to the structure chart of Fig. 3 oil pipe exhaust plant embodiment mono-.Oil pipe exhaust plant, shell 312 sidewalls are provided with steam vent 311, and the outer imperial palace of steam vent 311 diameters is little, is provided with ball 309 in steam vent 311, and steam vent 311 exits are provided with backing pin 307; Shell 312 endoporus are provided with positioning step 313, and positioning step 313 is positioned at steam vent below 311, and the interior installation sliding sleeve 305 of shell 312 is fixed sliding sleeve 305 through shell 312 sidewalls with shear pin 306, makes the lower end of sliding sleeve 305 be positioned at the above position of steam vent 311; It is cylindric that the outer wall of sliding sleeve 305 is ladder, and its diameter is up-small and down-big, establishes radial guiding discharge orifice 303 at path place; Top connection 301 is established in shell 312 upper ends, the endoporus of top connection 301 matches with the cylindric appearance of ladder of sliding sleeve 305 respectively with the endoporus of shell 312, coordinating in sliding sleeve 305 peripheries in upper end, middle part and lower end establish three seals circle 302,304 and 310, its middle part sealing ring 304 is between shear pin 306 and pod apertures 303, and sealing ring 304 is in the time that sliding sleeve 305 lower ends are sitting on positioning step 313 with the distance of lower end sealing ring 310 in the middle of it, intermediate seal circle 304 and lower end sealing ring 310 energy seal vents 311; In shell 312 lower ends, flow guide sleeve 317 is installed, flow guide sleeve 317 upper ends are established shear pin 315 blind plugging 314 are fixed in flow guide sleeve 317.Joint 322 is set in shell 312 lower ends, and described flow guide sleeve 317 is to be fixed on shell 312 lower ends with lower contact 322, and described flow guide sleeve 317 is cup-shaped, establishes guiding gutter 321 at the sidewall of flow guide sleeve 317.
In order to improve exhaust effect, drain the gas in pipe, described flow guide sleeve 317 peripheries can also be established sealing ring 318 in shear pin 315 with upper/lower positions, and in the time that sliding sleeve 305 lower ends are sitting on positioning step 313, described isolating seal circle 318 matches with seal vents 311 with sliding sleeve 305 endoporus.In the time being provided with isolating seal circle 318, can seal vents 311 after sealing ring 310 is descending.
The know-why of oil pipe exhaust plant embodiment mono-is referring to Fig. 4, and this is the view that the exhaust plant of oil pipe shown in Fig. 3 embodiment mono-completes after exhaust.This device is arranged on well workover pipe string as kit, usually, under this device, connect workover tool, on connect oil pipe, in the time that workover tool reaches projected depth in down-hole, carry out exhaust operation according to design process: first drop into a plug 401 from well head, with design displacement fluid pumping plug along descending in oil pipe, the compressed pressure rising of air pusher below plug kicks off 309 to be discharged to oil jacket annular space, plug 401 arrives behind sliding sleeve 305 upper ends, improving hydraulic coupling sliding sleeve 305 cuts off shear pin 306, descending its lower end of sliding sleeve 305 arrives on positioning step 313, at this moment steam vent 311 is closed.Displacement fluid passes to blind plugging 314 through pod apertures 303 hydraulic coupling, again improves hydraulic coupling, and shear pin 315 is cut off in blind plugging 314, and blind plugging 314 is descending, and at this moment, the hydraulic coupling of oil pipe exhaust plant inner chamber can be transmitted from top to bottom, thereby completes the hydraulic operation of exhaust.As shown in FIG., flow guide sleeve 317 is designed to cup-shaped, is in order to catch descending blind plugging 314, does not make blind plugging 314 drop in instrument below and affects other tool operation.
Referring to the structure chart of Fig. 5 oil pipe exhaust plant embodiment bis-.Oil pipe exhaust plant, shell 512 sidewalls are provided with steam vent 511, and the outer imperial palace of steam vent 511 diameters is little, is provided with ball 509 in steam vent 511, and steam vent 511 exits are provided with backing pin 507; Shell 512 endoporus are provided with positioning step 513, and positioning step 513 is positioned at steam vent below 511, and the interior installation sliding sleeve 505 of shell 512 is fixed sliding sleeve 505 through shell 512 sidewalls with shear pin 506, makes the lower end of sliding sleeve 505 be positioned at the above position of steam vent 511; It is cylindric that the outer wall of sliding sleeve 505 is ladder, and its diameter is up-small and down-big, establishes radial guiding discharge orifice 503 at path place; Top connection 501 is established in shell 512 upper ends, the endoporus of top connection 501 matches with the cylindric appearance of ladder of sliding sleeve 505 respectively with the endoporus of shell 512, coordinating in sliding sleeve 505 peripheries in upper end, middle part and lower end establish three seals circle 502,504 and 510, its middle part sealing ring 504 is between shear pin 506 and pod apertures 503, and sealing ring 504 is in the time that sliding sleeve 505 lower ends are sitting on positioning step 513 with the distance of lower end sealing ring 510 in the middle of it, intermediate seal circle 504 and lower end sealing ring 510 energy seal vents 511; In shell 512 lower ends, flow guide sleeve 517 is installed, flow guide sleeve 517 upper ends are established shear pin 515 blind plugging 514 are fixed in flow guide sleeve 517.Joint 522 is set in shell 512 lower ends, and described flow guide sleeve 517 is to divide into cupped baffle 520, and flow guide sleeve 517 and baffle plate 520 are to be fixed on shell 512 lower ends with lower contact 522; The internal diameter of baffle plate 520 is large compared with the external diameter of blind plugging 514, and the cup like bottom of baffle plate 520 is provided with lower pod apertures 523.
In order to improve exhaust effect, drain the gas in pipe, described flow guide sleeve 517 peripheries can also be established isolating seal circle 518 in shear pin 515 with upper/lower positions, and in the time that sliding sleeve 505 lower ends are sitting on positioning step 513, described isolating seal circle 518 matches with seal vents 511 with sliding sleeve 505 endoporus.In the time being provided with sealing ring 518, can seal vents 511 after sealing ring 510 is descending.
The know-why of oil pipe exhaust plant embodiment bis-is referring to Fig. 6, and this is the view that the exhaust plant of oil pipe shown in Fig. 5 embodiment bis-completes after exhaust.The know-why of this device is identical with the know-why of oil pipe exhaust plant embodiment mono-, and difference is that blind plugging 514 has dropped on baffle plate 520 after descending.
Claims (6)
1. oil pipe exhaust plant, is characterized in that, side wall of outer shell is provided with steam vent, and the outer imperial palace of steam vent diameter is little, is provided with ball in steam vent, and steam vent exit is provided with backing pin; Shell endoporus is provided with positioning step, and positioning step is positioned at below steam vent, and sliding sleeve is installed in shell, sliding sleeve is fixed through side wall of outer shell with shear pin, makes the lower end of sliding sleeve be positioned at the above position of steam vent; It is cylindric that the outer wall of sliding sleeve is ladder, and its diameter is up-small and down-big, establishes radial guiding discharge orifice at path place; Top connection is established in shell upper end, the endoporus of top connection matches with the cylindric appearance of ladder of sliding sleeve respectively with the endoporus of shell, coordinating in sliding sleeve periphery in upper end, middle part and lower end establish three seals circle, its middle part sealing ring is between shear pin and pod apertures, and in the middle of it, the distance of sealing ring and lower end sealing ring is in the time that sliding sleeve lower end is sitting on positioning step, intermediate seal circle and lower end sealing ring energy seal vents; Flow guide sleeve is installed in shell lower end, and flow guide sleeve upper end is established shear pin blind plugging is fixed in flow guide sleeve.
2. oil pipe exhaust plant according to claim 1, is characterized in that, joint is set in shell lower end, and described flow guide sleeve is to be fixed on shell lower end with lower contact, and described flow guide sleeve is cup-shaped, establishes guiding gutter at the sidewall of flow guide sleeve.
3. oil pipe exhaust plant according to claim 2, is characterized in that, described flow guide sleeve periphery is established isolating seal circle in shear pin with upper/lower positions, and in the time that sliding sleeve lower end is sitting on positioning step, described isolating seal circle matches with seal vents with sliding sleeve endoporus.
4. oil pipe exhaust plant according to claim 1, is characterized in that, joint is set in shell lower end, and described flow guide sleeve is to divide into cupped baffle, and flow guide sleeve and baffle plate are to be fixed on shell lower end with lower contact; The internal diameter of baffle plate is large compared with the external diameter of blind plugging, and the cup like bottom of baffle plate is provided with lower pod apertures.
5. oil pipe exhaust plant according to claim 4, is characterized in that, described flow guide sleeve periphery is established isolating seal circle in shear pin with upper/lower positions, and in the time that sliding sleeve lower end is sitting on positioning step, described isolating seal circle matches with seal vents with sliding sleeve endoporus.
6. according to the oil pipe exhaust plant described in the arbitrary claim of claim 1～5, it is characterized in that, in described steam vent, between ball and backing pin, be provided with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240261.6U CN203961905U (en) | 2014-05-13 | 2014-05-13 | Oil pipe exhaust plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240261.6U CN203961905U (en) | 2014-05-13 | 2014-05-13 | Oil pipe exhaust plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203961905U true CN203961905U (en) | 2014-11-26 |
Family
ID=51922504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420240261.6U Withdrawn - After Issue CN203961905U (en) | 2014-05-13 | 2014-05-13 | Oil pipe exhaust plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203961905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967445A (en) * | 2014-05-13 | 2014-08-06 | 中国石油化工股份有限公司 | Oil pipe exhaust device |
-
2014
- 2014-05-13 CN CN201420240261.6U patent/CN203961905U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967445A (en) * | 2014-05-13 | 2014-08-06 | 中国石油化工股份有限公司 | Oil pipe exhaust device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |