CN204252902U - Sleeve pipe drift size gauge tool - Google Patents
Sleeve pipe drift size gauge tool Download PDFInfo
- Publication number
- CN204252902U CN204252902U CN201420676188.7U CN201420676188U CN204252902U CN 204252902 U CN204252902 U CN 204252902U CN 201420676188 U CN201420676188 U CN 201420676188U CN 204252902 U CN204252902 U CN 204252902U
- Authority
- CN
- China
- Prior art keywords
- core cylinder
- top connection
- urceolus
- sleeve pipe
- lower contact
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Abstract
The utility model provides a kind of sleeve pipe drift size gauge tool, and comprise urceolus and the core cylinder being placed in described urceolus, have the toroidal cavity of gap-forming between described urceolus and described core cylinder, described sleeve pipe drift size gauge tool also comprises the top connection and lower contact that all arrange through hole; The upper end of described core cylinder is connected with described top connection respectively with the upper end of described urceolus, and the lower end of described core cylinder is connected with described lower contact respectively with the lower end of described urceolus; The through hole of the through hole of described top connection, the inner chamber of described core cylinder, described lower contact is communicated with; Arrange respectively along the axially through flow channels of described core cylinder on the through hole wall of described top connection and on the through hole wall of described lower contact, the described toroidal cavity between the flow channels of described top connection, described urceolus with described core cylinder, the flow channels of described lower contact are communicated with.Reduce because of on to return passage less, foul easily deposits and the risk of stuck instrument.
Description
Technical field
The utility model relates to petroleum technology field, the sleeve pipe drift size gauge tool of particularly drifting in a kind of Oil/gas Well sleeve pipe.
Background technology
Enter the middle and later periods along with Oil/gas Well is produced, generally need to carry out reservoir reconstruction or workover treatment to it.Assigned address can be lowered into smoothly in order to ensure power tool, usually first carry out through wash well operations with drift size gauge tool and jet washing well instrument, with clean well and verify down-hole casing internal diameter change and instrument pass through situation.Because conventional drift size gauge tool external diameter is relatively large, flow channels is returned less between sleeve pipe and drift size gauge tool, in the institutional operation of through wash well, the fouls such as the wax be removed on casing wall and in pit shaft, dirt and sand are in the upper process returned, easily produce in the bottom of drift size gauge tool and pile up, deposit on top, cause drift size gauge tool tubing string stuck.
And for the external diameter larger drift size gauge tool of wearing and tearing or the different sleeve pipe of internal diameter size, need integral replacing Cheng Xin's or corresponding size drift size gauge tool could meet the requirement of drifting operation, cause drift size gauge tool quantity many, cost increases, operation and maintenance trouble etc.
In addition, conventional drift size gauge tool generally all only has upper connecting thread, cannot meet the requirement connecting multiple drift size gauge tool or flushing manhole instrument, enter the realization of longer power tool and the institutional operation of through wash well under being unfavorable for.
Utility model content
For solving above-mentioned technical problem, the utility model proposes one and there is twin-channel sleeve pipe drift size gauge tool, reduce because of on to return passage less, foul easily deposits and the risk of stuck instrument.
The utility model provides a kind of sleeve pipe drift size gauge tool, and comprise urceolus and the core cylinder being placed in described urceolus, have the toroidal cavity of gap-forming between described urceolus and described core cylinder, described sleeve pipe drift size gauge tool also comprises the top connection and lower contact that all arrange through hole; The upper end of described core cylinder is connected with described top connection respectively with the upper end of described urceolus, and the lower end of described core cylinder is connected with described lower contact respectively with the lower end of described urceolus; The through hole of the through hole of described top connection, the inner chamber of described core cylinder, described lower contact is communicated with;
Arrange respectively along the axially through flow channels of described core cylinder on the through hole wall of described top connection and on the through hole wall of described lower contact, the described toroidal cavity between the flow channels of described top connection, described urceolus with described core cylinder, the flow channels of described lower contact are communicated with.
As the enforceable mode of one, the quantity of the flow channels of described top connection or the flow channels of described lower contact is at least two, is circumferentially evenly arranged.
As the enforceable mode of one, the cross sectional shape of the cross sectional shape of the flow channels of described top connection or the flow channels of described lower contact is fan ring.
As the enforceable mode of one, the upper end of described top connection arranges internal thread, and its lower end is threaded connection with the upper end of described core cylinder and the upper end of described urceolus respectively; The upper end of described lower contact and the lower end of described core cylinder are threaded connection, and its lower end arranges external screw thread;
The internal thread nominal diameter of described top connection upper end is equal with the external screw thread nominal diameter of described lower contact lower end.
As the enforceable mode of one, the upper end of described urceolus is set with and is fixed on the outer wall of described top connection; The lower end sealing shroud of described urceolus is loaded on the outer wall of described lower contact.
As the enforceable mode of one, described top connection is fixed by the outer wall of at least one first connector and described core cylinder.
As the enforceable mode of one, described lower contact is fixed by the outer wall of at least one second connector and described core cylinder, and described second connector is positioned at the below of described urceolus.
As the enforceable mode of one, described first connector or described second connector are along the radial arrangement of described core cylinder.
As the enforceable mode of one, the outer wall of described lower contact arranges step, the lower end sealing shroud of described urceolus is loaded on the axial wall of described step, and the lower surface of described urceolus is resisted against on the radial wall of described step.
As the enforceable mode of one, between the outer wall of described core cylinder and the inwall of described top connection, between the outer wall of described core cylinder and the inwall of described lower contact, sealing ring is set respectively.
The utility model is compared to the beneficial effect of prior art: twin-channel sleeve pipe drift size gauge tool reduces because above returning that passage is less, foul easily deposits and the risk of stuck instrument.Binary channels is particularly suitable for the relatively little coiled tubing of diameter and carries out the institutional operation of through wash well, the coiled tubing that discharge capacity is not high can be applicable to, avoid down-hole foul returns in process blocking tubing string, thus ensure the safe and efficient property of continuous-tube operation, reduce operating risk, improve operating efficiency.
The internal thread that upper and lower two ends nominal diameter is equal and external screw thread are conducive to being connected in series at least two sleeve pipe drift size gauge tools, or connect other through wash well tool in the below of sleeve pipe drift size gauge tool, can enter longer distance below and carry out operation.Upper and lower joint is threaded with core cylinder, makes the dismounting of instrument and safeguards all very convenient, be conducive to realizing the institutional operation of through wash well.
When only needing removable parts part, the drifting requirement of multiple internal diameter size sleeve pipe can be met.The overall structure formed after each part connects is reliable and stable.
Accompanying drawing explanation
Fig. 1 is revolved section schematic diagram of the present utility model;
Fig. 2 is the A-A schematic cross-section of Fig. 1.
Reference numeral:
10-sleeve pipe drift size gauge tool;
11-core cylinder; 12-urceolus; 124-inwall step;
13-top connection;
The flow channels of 132-top connection; The internal thread of 136-top connection lower end;
The external screw thread of 137-top connection lower end; The internal thread of 138-top connection upper end;
14-lower contact;
The flow channels of 142-lower contact; 144-step;
The internal thread of 146-lower contact upper end; The external screw thread of 148-lower contact lower end;
16-first connector; 17 second connectors; 18-sealing ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, to above-mentioned being clearly and completely described with other technical characteristic and advantage of the utility model, obviously, described embodiment is only section Example of the present utility model, instead of whole embodiment.
Refer to shown in Fig. 1, a kind of sleeve pipe drift size gauge tool 10 of the present utility model, comprises core cylinder 11, urceolus 12, top connection 13 and lower contact 14.Core cylinder 11 is placed in urceolus 12, has the toroidal cavity of gap-forming between urceolus 12 and core cylinder 11.The upper end of core cylinder 11 is connected with top connection 13 respectively with the upper end of urceolus 12, and the lower end of core cylinder 11 is connected with lower contact 14 respectively with the lower end of urceolus 12.Top connection 13 and lower contact 14 all arrange through hole, and the through hole of the through hole of top connection 13, the inner chamber of core cylinder 11, lower contact 14 is communicated with, and forms center-aisle, for injecting liquid.In the present embodiment, the through hole of top connection 13 and the through hole of lower contact 14 lay respectively at the center of top connection 13 and lower contact 14.
The through hole wall of the upper and lower joint of through hole wall 14 of top connection 13 is arranged respectively along the axially through flow channels of core cylinder 11, be the flow channels 132 of top connection and the flow channels 142 of lower contact.The flow channels 142 of the flow channels 132 of top connection, the toroidal cavity between urceolus 12 with core cylinder 11, lower contact is communicated with, and forms circular passage.In sleeve pipe drift size gauge tool 10 lower going-into-well, between sleeve pipe drift size gauge tool 10 and internal surface of sleeve pipe, there is gap, form outer layer channel.
The sleeve pipe drift size gauge tool 10 with binary channels (circular passage and outer layer channel) reduces because above returning that passage is less, foul easily deposits and the risk of stuck sleeve pipe drift size gauge tool 10.Binary channels is particularly suitable for the relatively little coiled tubing of diameter and carries out the institutional operation of through wash well, binary channels reduces the risk of meeting card, therefore work discharge capacity can suitably be reduced, namely the utility model is applicable to the not high coiled tubing of discharge capacity, avoid down-hole foul returns in process blocking tubing string, thus ensure the safe and efficient property of continuous-tube operation, reduce operating risk, improve operating efficiency.
During work, in sleeve pipe drift size gauge tool 10 lower going-into-well, inject liquid, circulation limit, limit through wash well from center-aisle, the foul in well returns with on the liquid injected, and the liquid above returned is returned to well head by outer layer channel and circular passage and discharges.This technical scheme adds exclusive circular passage, make sleeve pipe drift size gauge tool 10 have two independently on return passage, be equivalent to add between logical washing well process middle sleeve drift size gauge tool 10 and internal surface of sleeve pipe on return the area of overflow section, reduce the risk that drifting process middle sleeve drift size gauge tool 10 meets card.
As the enforceable mode of one, refer to shown in Fig. 2, the quantity of the flow channels 132 of top connection or the flow channels 142 of lower contact is at least two, is circumferentially evenly arranged.In the present embodiment, arrange the flow channels 132 of four top connections, the quantity of the flow channels 142 of lower contact is identical with the quantity of the flow channels 132 of top connection, and position is corresponding, is conducive to reducing the resistance that liquid returns, and increases work efficiency.
As the enforceable mode of one, the cross sectional shape of the cross sectional shape of the flow channels 132 of top connection or the flow channels 142 of lower contact is fan ring.More preferably, camber line is used to be connected respectively and between adjacent Inner arc end points, to reduce the flow resistance of liquid two of external arc end points.In the present embodiment, the cross sectional shape of the flow channels 132 of top connection is oval arcuate socket, and its arc is centrally located on the central axis of core cylinder 11.
As the enforceable mode of one, the upper end of top connection 13 arranges the internal thread 138 of top connection upper end, and the lower end of top connection 13 is threaded connection with the upper end of core cylinder 11 and the upper end of urceolus 12 respectively.The lower end of top connection 13 arranges the internal thread 136 of top connection lower end and the external screw thread 137 of top connection lower end, the internal thread 136 of top connection lower end matches with the external screw thread of the upper end of core cylinder 11, and the external screw thread 137 of top connection lower end matches with the internal thread of the upper end of urceolus 12.The upper end of lower contact 14 and the lower end of core cylinder 11 are threaded connection, and the upper end of lower contact 14 arranges the internal thread 146 of lower contact upper end, matches with the external screw thread of core cylinder 11 lower end.The lower end of lower contact 14 arranges the external screw thread 148 of lower contact lower end.
Upper and lower joint is threaded with core cylinder 11, makes the dismounting of sleeve pipe drift size gauge tool 10 and safeguards all very convenient, be conducive to realizing the institutional operation of through wash well.The assembled structure of each part, is not only convenient to the processing and manufacturing of each part, is also convenient for changing urceolus 12 and the core cylinder 11 of different length.Meanwhile, when only needing removable parts part, the drifting requirement of multiple internal diameter size sleeve pipe can be met.The outside dimension of urceolus 12, according to the different gradient of drift size gauge tool type design, can change according to casing inner diameter the urceolus 12 that external diameter is less than casing inner diameter, changes top connection 13 and lower contact 14 that size adapts simultaneously.
The screw thread at sleeve pipe drift size gauge tool 10 two ends is convenient to connect other through wash well tools, and in the present embodiment, internal thread 138 nominal diameter of top connection upper end is equal with external screw thread 148 nominal diameter of lower contact lower end.The internal thread that upper and lower two ends nominal diameter is equal and external screw thread are conducive to serial connection sleeve pipe drift size gauge tool 10, sleeve pipe drift size gauge tool 10 is connected by the external screw thread 148 of its lower contact lower end the internal thread 138 of the top connection upper end of another sleeve pipe drift size gauge tool 10 being positioned at below, longer distance can be entered below and carry out operation.Or utilize the external screw thread 148 of lower contact lower end to connect other through wash well tool, equal diameter is convenient to the coupling between instrument, facilitates operation, improves efficiency.
As the enforceable mode of one, the upper end of urceolus 12 is set with and is fixed on the outer wall of top connection 13; The lower end sealing shroud of urceolus 12 is loaded on the outer wall of lower contact 14.
As the enforceable mode of one, top connection 13 is fixed with the outer wall of core cylinder 11 by least one first connector 16.
As the enforceable mode of one, lower contact 14 is fixed with the outer wall of core cylinder 11 by least one second connector 17, and the second connector 17 is positioned at the below of urceolus 12.More preferably, the first connector 16 or the second connector 17 are screw.In the present embodiment, the quantity of the first connector 16 and the second connector 17 is two, is circumferentially evenly arranged.
Before operation, the Oil/gas Well casing programme requirement of drifting as required, first selects core cylinder 11 and the urceolus 12 of suitable outer diameter, length.Connect core cylinder 11 and top connection 13, the present embodiment SMIS cylinder 11, by being threaded into top connection 13, tightens the first connector 16, for locking; Again by urceolus 12 by being threaded into top connection 13, insert in urceolus 12 by lower contact 14 subsequently, lower contact 14 is by being threaded into core cylinder 11, and tighten the second connector 17, sleeve pipe drift size gauge tool 10 has been assembled.After the upper end of sleeve pipe drift size gauge tool 10 and the circulation fluid such as oil pipe or coiled tubing carry tubing string to connect, multiple twin-channel sleeve pipe drift size gauge tool 10 or sparging well tool can be connected according to its lower end of needs of through wash well, by the tool tubular column string lower going-into-well that connects.
In the present embodiment, first connector 16 is positioned among urceolus 12, second connector 17 is positioned at the below of urceolus 12, first connector 16 or the second connector 17 need not pass urceolus 12, correspondingly, urceolus 12 need not design position, hole, need to match with two parts when avoiding the first connector 16 or the connection of the second connector, reduce the difficulty of assembling, make urceolus 12 have better interchangeability.To sum up, the processing of urceolus 12, installation, dismounting and replacing are all very convenient.
As the enforceable mode of one, the first connector 16 or the second connector 17 are along the radial arrangement of core cylinder 11.After each part connects, by the tightening effect of screw, the overall structure of formation is reliable and stable.
As the enforceable mode of one, the outer wall of lower contact 14 is arranged step 144, the lower end sealing shroud of urceolus 12 is loaded on the axial wall of step 144, and the lower surface of urceolus 12 is resisted against on the radial wall of step 144.In the present embodiment, the inwall of urceolus 12 also arranges inwall step 124, inwall step 124 closes with the matching size of step 144, lower contact 14 effectively with urceolus 12 against, play the effect of auxiliary stopper, improve the stability of structure.
As the enforceable mode of one, between the outer wall of core cylinder 11 and the inwall of top connection 13, between the outer wall of core cylinder 11 and the inwall of lower contact 14, sealing ring 18 is set respectively.
Twin-channel sleeve pipe drift size gauge tool 10 adds the area of passage in logical washing well process between instrument and internal surface of sleeve pipe, reduces the risk that through wash well tool meets card, adapts to the through wash well operations under lower circulation discharge capacity, be particularly suitable for the institutional operation of coiled tubing through wash well.
After sleeve pipe drift size gauge tool 10 and the circulation fluid such as oil pipe or coiled tubing carry tubing string to connect, multiple twin-channel sleeve pipe drift size gauge tool 10 or other sparging well tools can be connected according to the needs of through wash well, by in the tool tubular column string lower going-into-well that connects, circulation limit, limit through wash well, dirtyly to return with on liquid in the liquid injected and well, returns to well head through sleeve pipe drift size gauge tool 10 and the gap (outer layer channel) of internal surface of sleeve pipe and the annular space (circular passage) of core cylinder 11 and urceolus 12 and discharges.
The twin-channel sleeve pipe drift size gauge tool 10 of the utility model can implement drifting operation to the sleeve pipe of the different size of 5-1/2 inch and 7 inches at present.Prove through field trial, this utility model is when coiled tubing uses together with sparging well tool, except can significantly reduce dirty stuck instrument risk and to except circulation displacement requirements, also can significantly improve well cleannes and operating efficiency, at Qinghai Oil Field success operation tens mouthfuls of wells.
Above-described specific embodiment; further detailed description has been carried out to the purpose of this utility model, technical scheme and beneficial effect; should be appreciated that and the foregoing is only specific embodiment of the utility model, and be not used in restriction protection domain of the present utility model.Particularly point out, to those skilled in the art, all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a sleeve pipe drift size gauge tool, comprise urceolus and the core cylinder being placed in described urceolus, have the toroidal cavity of gap-forming between described urceolus and described core cylinder, it is characterized in that, described sleeve pipe drift size gauge tool also comprises the top connection and lower contact that all arrange through hole; The upper end of described core cylinder is connected with described top connection respectively with the upper end of described urceolus, and the lower end of described core cylinder is connected with described lower contact respectively with the lower end of described urceolus; The through hole of the through hole of described top connection, the inner chamber of described core cylinder, described lower contact is communicated with;
Arrange respectively along the axially through flow channels of described core cylinder on the through hole wall of described top connection and on the through hole wall of described lower contact, the described toroidal cavity between the flow channels of described top connection, described urceolus with described core cylinder, the flow channels of described lower contact are communicated with.
2. sleeve pipe drift size gauge tool according to claim 1, is characterized in that, the quantity of the flow channels of described top connection or the flow channels of described lower contact is at least two, is circumferentially evenly arranged.
3. sleeve pipe drift size gauge tool according to claim 2, is characterized in that, the cross sectional shape of the cross sectional shape of the flow channels of described top connection or the flow channels of described lower contact is fan ring.
4. the sleeve pipe drift size gauge tool according to any one of claims 1 to 3, is characterized in that, the upper end of described top connection arranges internal thread, and its lower end is threaded connection with the upper end of described core cylinder and the upper end of described urceolus respectively; The upper end of described lower contact and the lower end of described core cylinder are threaded connection, and its lower end arranges external screw thread;
The internal thread nominal diameter of described top connection upper end is equal with the external screw thread nominal diameter of described lower contact lower end.
5. sleeve pipe drift size gauge tool according to claim 4, is characterized in that, the upper end of described urceolus is set with and is fixed on the outer wall of described top connection; The lower end sealing shroud of described urceolus is loaded on the outer wall of described lower contact.
6. sleeve pipe drift size gauge tool according to claim 5, is characterized in that, described top connection is fixed by the outer wall of at least one first connector and described core cylinder.
7. sleeve pipe drift size gauge tool according to claim 6, is characterized in that, described lower contact is fixed by the outer wall of at least one second connector and described core cylinder, and described second connector is positioned at the below of described urceolus.
8. sleeve pipe drift size gauge tool according to claim 7, is characterized in that, described first connector or described second connector are along the radial arrangement of described core cylinder.
9. sleeve pipe drift size gauge tool according to claim 5, is characterized in that, the outer wall of described lower contact arranges step, and the lower end sealing shroud of described urceolus is loaded on the axial wall of described step, and the lower surface of described urceolus is resisted against on the radial wall of described step.
10. sleeve pipe drift size gauge tool according to claim 4, is characterized in that, arranges sealing ring respectively between the outer wall of described core cylinder and the inwall of described top connection, between the outer wall of described core cylinder and the inwall of described lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676188.7U CN204252902U (en) | 2014-11-07 | 2014-11-07 | Sleeve pipe drift size gauge tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676188.7U CN204252902U (en) | 2014-11-07 | 2014-11-07 | Sleeve pipe drift size gauge tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204252902U true CN204252902U (en) | 2015-04-08 |
Family
ID=52957222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420676188.7U Expired - Fee Related CN204252902U (en) | 2014-11-07 | 2014-11-07 | Sleeve pipe drift size gauge tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204252902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832711A (en) * | 2020-12-10 | 2021-05-25 | 中国石油天然气股份有限公司 | Flow control gauge |
-
2014
- 2014-11-07 CN CN201420676188.7U patent/CN204252902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832711A (en) * | 2020-12-10 | 2021-05-25 | 中国石油天然气股份有限公司 | Flow control gauge |
| CN112832711B (en) * | 2020-12-10 | 2023-07-25 | 中国石油天然气股份有限公司 | Flow control gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 |