CN203235722U - Annular circulation cleaning device in expansion pipe - Google Patents
Annular circulation cleaning device in expansion pipe Download PDFInfo
- Publication number
- CN203235722U CN203235722U CN 201320136954 CN201320136954U CN203235722U CN 203235722 U CN203235722 U CN 203235722U CN 201320136954 CN201320136954 CN 201320136954 CN 201320136954 U CN201320136954 U CN 201320136954U CN 203235722 U CN203235722 U CN 203235722U
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- China
- Prior art keywords
- expansion
- seat
- cleaning device
- sliding sleeve
- circulation cleaning
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- 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 - Lifetime
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- 238000004140 cleaning Methods 0.000 title claims abstract description 45
- 210000002445 nipple Anatomy 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 239000004576 sand Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model relates to an annular circulation cleaning device in an expansion pipe, which comprises an expansion cone seat and an expansion cone sleeved on the upper part of the expansion cone seat; the inner pipe wall of the expansion cone seat is hermetically provided with a sliding sleeve, and the inner wall surface of the sliding sleeve is provided with an annular groove; a positioning seat is fixedly arranged at the bottom of the expansion conical seat, a central hole communicated with the expansion pipe launching cavity is axially arranged on the positioning seat, and a first pressure spring is arranged between the positioning seat and the sliding sleeve; a plurality of through holes are formed in the pipe wall of the upper part of the expansion conical seat along the circumferential direction, and the through holes are sealed and shielded by the side wall of the upper end of the sliding sleeve; and a starting cleaning plug is axially arranged in the sliding sleeve. The annular circulation cleaning device in the expansion pipe provides a solution for sticking sand or other foreign matters in an expansion cone working area in the construction process; the annular space on the inner wall of the expansion pipe and the working area of the expansion cone can be cleaned circularly, and the area to be expanded is kept clean, so that the smooth expansion construction is ensured.
Description
Technical field
The utility model is about a kind of expansion tube construction tool for petroleum industry, relates in particular to annular space circulation cleaning device in a kind of expansion tube.
Background technology
Bulged tube technology is a new technology that is surging forward in recent years, and it can be applicable to the operation process such as drilling well, completion and oil recovery, well workover.The expansion tube expansion process is the process of body flow harden, expansion fashion has the modes such as mechanical type, fluid pressure type, at present at the employed conventional expansion pipe tool of the serious well that shakes out, the contact surface that be difficult to guarantee swollen cone workspace (that is: expansion cone contact with expansion tube zone) in the operation process cleans, so be easy to occur the sticking card of sand card or other foreign matters, hinder carrying out smoothly of expanding, even cause constructing unsuccessfully.
Thus, the inventor relies on experience and the practice of being engaged in for many years relevant industries, proposes annular space circulation cleaning device in a kind of expansion tube, to overcome the defective of prior art.
The utility model content
The purpose of this utility model is to provide annular space circulation cleaning device in a kind of expansion tube, can realize wash cycles expansion tube inwall annular space and expansion cone workspace, keeps treating the breathing space cleaning, thus the carrying out smoothly of the construction of guaranteeing to expand.
The purpose of this utility model is achieved in that annular space circulation cleaning device in a kind of expansion tube, and this circulation cleaning device includes the sheathed expansion cone of expansion cone seat and expansion cone seat top; The inner tubal wall sealing shroud of described expansion cone seat is provided with a sliding sleeve, and the internal face of described sliding sleeve is provided with an annular groove; Described expansion cone seat bottom is fixed with a positioning seat, is axially arranged with conducting on this positioning seat in the centre bore of expansion tube emission cavity, is provided with the first stage clip between this positioning seat and the sliding sleeve; The tube wall on described expansion cone seat top is along being circumferentially with a plurality of open-works, and described a plurality of open-works are blocked by the sidewall sealing of sliding sleeve upper end; Be axially arranged with one in the described sliding sleeve and start the cleaning obstruction; Described startup is cleaned to stop up and is included upper spring seat, lower spring cup and positioning pipe from top to bottom, and described upper spring seat comprises that sealed sliding is located at the plunger portion in the sliding sleeve, and this plunger portion top upwards is provided with clamp column; Described positioning pipe top is fixedly connected with the lower spring cup bottom; Be provided with the second stage clip between the described upper and lower spring base; Described lower spring cup and outside, positioning pipe upper end are provided with a sleeve, and the upper end of this sleeve is fixedly connected on the bottom of plunger portion; Described positioning pipe is divided into supporting section, active section and positioning section from top to bottom, the external diameter of described active section is greater than the external diameter of supporting section and positioning section, described positioning section is arranged in the centre bore of positioning seat, be provided with the changeover portion of flaring between described supporting section and the active section, have the gap between the outer wall of described active section and the inwall of sleeve; The position of corresponding described supporting section is circumferentially with a plurality of location open-work on the barrel of described sleeve, corresponding each location open-work is provided with locating detent in the described supporting section outside, described locating detent is made of the projection of arc bottom base and the setting of base upside, described projection is arranged in the open-work of described location, the bottom surface of described arc bottom base reclines with the periphery of supporting section is corresponding, is provided with making leaf spring between the upper bottom surface of arc bottom base and sleeve lining.
In a better embodiment of the present utility model, the internal face of described expansion cone seat is stepped, and the outer wall of described sliding sleeve is also for stepped accordingly; The axial upper side edge of described sliding sleeve annular groove is provided with chamfering.
In a better embodiment of the present utility model, the cone angle of the changeover portion between described supporting section and the active section is 0～30 degree.
In a better embodiment of the present utility model, the gap between described active section outer wall and the sleeve lining equals the thickness sum of locating detent base and making leaf spring.
In a better embodiment of the present utility model, described positioning pipe is axially arranged with a guide hole; The plunger portion below is to having guide pillar, and this guide pillar passes lower spring cup and is slidedly arranged in the guide hole of positioning pipe.
In a better embodiment of the present utility model, described the second compression spring sleeve is located on the described guide pillar.
In a better embodiment of the present utility model, described clamp column is provided with annular groove.
In a better embodiment of the present utility model, described plunger portion periphery is provided with sealed rubber ring.
Live in the embodiment the external pipe nipple in described expansion cone seat top of the present utility model one; Described pipe nipple is provided with the through hole with the corresponding conducting of a plurality of open-works of expansion cone seat; Outer wall at pipe nipple is provided with the axial notch relative with through hole.
In a better embodiment of the present utility model, described location open-work and projection are square.
From the above mentioned, annular space circulation cleaning device in the expansion tube of the present utility model is for swollen sand card or the sticking card of other foreign matters of boring the workspace in the work progress provides solution; Can realize wash cycles expansion tube inwall annular space and expansion cone workspace, keep treating the breathing space cleaning, thus the carrying out smoothly of the construction of guaranteeing to expand.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be the perspective view of annular space circulation cleaning device in the expansion tube of the present utility model.
Fig. 2: be the surface structure schematic diagram of annular space circulation cleaning device in the expansion tube of the present utility model.
Fig. 3: be the sectional structure schematic diagram of annular space circulation cleaning device in the expansion tube of the present utility model.
Fig. 4: clean the perspective view of stopping up for starting in the utility model.
Fig. 5: be the structural representation of positioning pipe in the utility model.
Fig. 6 A: clean the structural representation that the locating detent that stops up does not stretch out state for starting in the utility model.
Fig. 6 B: be A-A cross-sectional view among Fig. 6 A.
Fig. 7 A: clean the structural representation that the locating detent that stops up stretches out state for starting in the utility model.
Fig. 7 B: be B-B cross-sectional view among Fig. 7 A.
Fig. 8 A: be the sectional structure schematic diagram of locating detent in the utility model.
Fig. 8 B: be the perspective view of locating detent in the utility model.
Fig. 9: access diagram is suppressed in the expansion when starting the cleaning obstruction for not being lowered in the utility model.
Figure 10: the wash cycles access diagram when starting the cleaning obstruction for being lowered in the utility model.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.
Such as Fig. 1, Fig. 2, shown in Figure 3, the utility model proposes annular space circulation cleaning device 100 in a kind of expansion tube, this circulation cleaning device 100 includes the sheathed expansion cone 2 of expansion cone seat 1 and expansion cone seat 1 top, as shown in Figure 3, described expansion cone seat 1 and expansion cone 2 are arranged in the expansion tube 9 (among Fig. 3 shown in the chain-dotted line); The inner tubal wall sealing shroud of described expansion cone seat 1 is provided with a sliding sleeve 3; The internal face of described sliding sleeve 3 is provided with an annular groove 31; Described expansion cone seat 1 bottom is fixed with a positioning seat 4, is axially arranged with conducting on this positioning seat 4 in the centre bore 41 of expansion tube 9 emission cavities, is provided with the first stage clip 5 between this positioning seat 4 and the sliding sleeve 3; The tube wall on described expansion cone seat 1 top is along being circumferentially with a plurality of open-works 11, and described open-work 11 is positioned at the upside of expansion cone 2, and in the present embodiment, described open-work 11 is evenly equipped with four, and described a plurality of open-works 11 are blocked by sliding sleeve 3 upper end sidewall sealings; Be axially arranged with one in the described sliding sleeve 3 and start cleaning obstruction 6; Shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 A, Fig. 6 B, Fig. 7 A and Fig. 7 B, described startup is cleaned obstruction 6 and is included upper spring seat 61, lower spring cup 62 and positioning pipe 63 from top to bottom, described upper spring seat 61 comprises that sealed sliding is located at the plunger portion 611 of sliding sleeve 3 inwalls, these plunger portion 611 tops upwards are provided with clamp column 612, described clamp column 612 is provided with annular groove 6121, plunger portion 611 belows are to having guide pillar 613, described positioning pipe 63 is axially arranged with a guide hole 635, and this guide pillar 613 passes lower spring cup 62 and is slidedly arranged in the guide hole 635 of positioning pipe 63; Described positioning pipe 63 tops are fixedly connected with lower spring cup 62 bottoms; Be provided with the second stage clip 64 between described upper spring seat 61, the lower spring cup 62, this second stage clip 64 is set on the described guide pillar 613; The outside of described lower spring cup 62 and positioning pipe 63 upper ends is provided with a sleeve 65, and the upper end of this sleeve 65 is fixedly connected on the bottom of plunger portion 611, and (when above-mentioned the second stage clip 64 did not compress, the lower end of sleeve 65 was positioned near the medium position of positioning pipe 63; So that during the second stage clip 64 pressurized, sleeve 65 has enough displacement); As shown in Figure 5, described positioning pipe 63 is divided into respectively supporting section 631 from top to bottom, active section 632 and positioning section 633, the external diameter of described active section 632 is greater than the external diameter of supporting section 631 and positioning section 633, described positioning section 633 wears and fixes in the centre bore 41 of positioning seat 4, be provided with the changeover portion 634 of flaring between described supporting section 631 and the active section 632, has the gap between the inwall of the outer wall of described active section 632 and sleeve 65, such as Fig. 3, shown in Figure 4, the position of corresponding described supporting section 631 is circumferentially with a plurality of square location open-work 651 on the barrel of described sleeve 65, corresponding each square location open-work 651 is provided with locating detent 66 (at this moment in described supporting section 631 outsides, the second spring 64 is not compressed, start cleaning obstruction 6 and be in off working state), described locating detent 66 is made of (such as Fig. 8 A the square projection 662 of arc bottom base 661 and base 661 upside settings, shown in Fig. 8 B), described square projection 662 is arranged in the described square location open-work 651, corresponding the reclining of periphery of the bottom surface of described arc bottom base 661 and supporting section 631 is provided with making leaf spring 67 between the upper bottom surface of arc bottom base 661 and sleeve 65 inwalls.In the present embodiment, described making leaf spring 67 is planar structure, and the intermediate position is provided with the open-work that can pass described square projection 662.
From the above mentioned, annular space circulation cleaning device in the expansion tube of the present utility model is for swollen sand card or the sticking card of other foreign matters of boring the workspace in the work progress provides solution; Can realize wash cycles expansion tube inwall annular space and expansion cone workspace, keep treating the breathing space cleaning, thus the carrying out smoothly of the construction of guaranteeing to expand.
Further, as shown in Figure 3, the internal face of described expansion cone seat 1 is made as stepped, and the outer wall of described sliding sleeve 3 is also for stepped accordingly; The axial upper side edge of the annular groove 31 of described sliding sleeve 3 is provided with chamfering 311, and after suppressing end, described chamfering 311 is convenient to locating detent 66 and is separated from this annular groove 31.
As shown in Figure 5, the cone angle beta of described changeover portion 634 is 0～30 degree; Shown in Fig. 7 A, the size in the gap between described active section 632 outer walls and sleeve 65 inwalls equals the thickness sum of locating detent base 661 and making leaf spring 67.
As shown in Figure 4, in the present embodiment, described plunger portion 611 peripheries are provided with sealed rubber ring 6111.
Such as Fig. 1, shown in Figure 3, the external pipe nipple 7 in described expansion cone seat 1 top; Described pipe nipple 7 is provided with the through hole 71 with a plurality of open-works 11 corresponding conductings of expansion cone seat 1; Be provided with the axial notch 72 relative with through hole 71 at the outer wall of pipe nipple 7, so that when cleaning expansion tube inwall and expansion cone workspace, current are current smoothly.
The use procedure of annular space circulation cleaning device is in the expansion tube of the present utility model, when carrying out the normal expansion construction, described startup is cleaned obstruction 6 and is not lowered in the described sliding sleeve 3 first, as shown in Figure 9, at this moment, the open-work 11 on expansion cone seat 1 top blocks and seals (the first stage clip 5 compresses sliding sleeve 3) by sliding sleeve 3, by expansion cone seat 1, passage is suppressed in the expansion of centre bore 41 completes of sliding sleeve 3 and positioning seat 4, for the construction of expanding provides the airtight stable pressing system of building, pressure promotion expansion cone seat 1 and expansion cone 2 are up, expansion tube 9 normal expansion (principle and the method for described expansion tube expansion construction are same as the prior art, do not repeat them here).In the construction of expanding, when running into the sticking card of swollen cone workspace sand card or other foreign matters, by on put and put when not having positive effect, to start cleaning obstruction 6 is lowered in the sliding sleeve 3, promote to start cleaning by hydraulic pressure and stop up 6 arrival predeterminated positions (that is: described positioning section 633 wears and fixes in the centre bore 41 of positioning seat 4), at this moment, start to clean stop up sleeve 65 in 6 promote locating detents 66 by the supporting section 631 of positioning pipe through changeover portions 634 to active section 632 motions (shown in Fig. 6 A and Fig. 7 A), at this moment, locating detent 66 is by changeover portion 634 jack-up (or lifting) and snapping in the annular groove 31 of sliding sleeve 3 gradually, fluid pressure continues to promote locating detent 66 by sleeve 65 and moves down, behind the pressure of thrust greater than the first stage clip 5, thrust will promote sliding sleeve 3 by locating detent 66 and move down, as shown in figure 10, at this moment, the upper end sidewall of sliding sleeve 3 is opened a plurality of open-works 11 on the expansion cone seat 1, make cleaning fluid enter annular space in the expansion tube by described open-work 11, realize thus wash cycles expansion tube inwall annular space and expansion cone working face, and then finish unfreezing.After unfreezing is finished, be lowered to fishing tool in the oil pipe, trip out to start to clean and stop up 6; Stopped suppressing this moment, and locating detent 66 has been separated from the cannelure 31 in the sliding sleeve 3 under the effect of the first stage clip 5, the second stage clip 64 and making leaf spring 67; Fishing tool docks with starting the clamp column 612 of cleaning obstruction 6 tops, and this moment, fishing tool blocked the annular groove 6121 of clamp column 612, lifted fishing tool, can trip out to start to clean to stop up 6.Trip out to start and clean after the obstruction, continue build-up pressure, expansion tube continues normal expansion.
Annular space circulation cleaning device in the expansion tube of the present utility model is for swollen sand card or the sticking card of other foreign matters of boring the workspace in the work progress provides solution; Can realize wash cycles expansion tube inwall annular space and expansion cone workspace, keep treating the breathing space cleaning, thus the carrying out smoothly of the construction of guaranteeing to expand.
The above only is the schematic specific embodiment of the utility model, is not to limit scope of the present utility model.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (10)
1. annular space circulation cleaning device in the expansion tube, this circulation cleaning device includes the sheathed expansion cone of expansion cone seat and expansion cone seat top; Tool is characterised in that: the inner tubal wall sealing shroud of described expansion cone seat is provided with a sliding sleeve, and the internal face of described sliding sleeve is provided with an annular groove; Described expansion cone seat bottom is fixed with a positioning seat, is axially arranged with conducting on this positioning seat in the centre bore of expansion tube emission cavity, is provided with the first stage clip between this positioning seat and the sliding sleeve; The tube wall on described expansion cone seat top is along being circumferentially with a plurality of open-works, and described a plurality of open-works are blocked by the sidewall sealing of sliding sleeve upper end; Be axially arranged with one in the described sliding sleeve and start the cleaning obstruction; Described startup is cleaned to stop up and is included upper spring seat, lower spring cup and positioning pipe from top to bottom, and described upper spring seat comprises that sealed sliding is located at the plunger portion in the sliding sleeve, and this plunger portion top upwards is provided with clamp column; Described positioning pipe top is fixedly connected with the lower spring cup bottom; Be provided with the second stage clip between the described upper and lower spring base; Described lower spring cup and outside, positioning pipe upper end are provided with a sleeve, and the upper end of this sleeve is fixedly connected on the bottom of plunger portion; Described positioning pipe is divided into supporting section, active section and positioning section from top to bottom, the external diameter of described active section is greater than the external diameter of supporting section and positioning section, described positioning section is arranged in the centre bore of positioning seat, be provided with the changeover portion of flaring between described supporting section and the active section, have the gap between the outer wall of described active section and the inwall of sleeve; The position of corresponding described supporting section is circumferentially with a plurality of location open-work on the barrel of described sleeve, corresponding each location open-work is provided with locating detent in the described supporting section outside, described locating detent is made of the projection of arc bottom base and the setting of base upside, described projection is arranged in the open-work of described location, the bottom surface of described arc bottom base reclines with the periphery of supporting section is corresponding, is provided with making leaf spring between the upper bottom surface of arc bottom base and sleeve lining.
2. annular space circulation cleaning device in the expansion tube as claimed in claim 1, it is characterized in that: the internal face of described expansion cone seat is stepped, the outer wall of described sliding sleeve is also for stepped accordingly; The axial upper side edge of described sliding sleeve annular groove is provided with chamfering.
3. annular space circulation cleaning device in the expansion tube as claimed in claim 1, it is characterized in that: the cone angle of the changeover portion between described supporting section and the active section is 0～30 degree.
4. annular space circulation cleaning device in the expansion tube as claimed in claim 1, it is characterized in that: the gap between described active section outer wall and the sleeve lining equals the thickness sum of locating detent base and making leaf spring.
5. annular space circulation cleaning device in the expansion tube as claimed in claim 1, it is characterized in that: described positioning pipe is axially arranged with a guide hole; The plunger portion below is to having guide pillar, and this guide pillar passes lower spring cup and is slidedly arranged in the guide hole of positioning pipe.
6. annular space circulation cleaning device in the expansion tube as claimed in claim 5, it is characterized in that: described the second compression spring sleeve is located on the described guide pillar.
7. annular space circulation cleaning device in the expansion tube as claimed in claim 1, it is characterized in that: described clamp column is provided with annular groove.
8. annular space circulation cleaning device in the expansion tube as claimed in claim 1, it is characterized in that: described plunger portion periphery is provided with sealed rubber ring.
9. annular space circulation cleaning device in the expansion tube as claimed in claim 1 is characterized in that: the external pipe nipple in described expansion cone seat top; Described pipe nipple is provided with the through hole with the corresponding conducting of a plurality of open-works of expansion cone seat; Outer wall at pipe nipple is provided with the axial notch relative with through hole.
10. annular space circulation cleaning device in the expansion tube as claimed in claim 1, it is characterized in that: described location open-work and projection are square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320136954 CN203235722U (en) | 2013-03-25 | 2013-03-25 | Annular circulation cleaning device in expansion pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320136954 CN203235722U (en) | 2013-03-25 | 2013-03-25 | Annular circulation cleaning device in expansion pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203235722U true CN203235722U (en) | 2013-10-16 |
Family
ID=49313056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320136954 Expired - Lifetime CN203235722U (en) | 2013-03-25 | 2013-03-25 | Annular circulation cleaning device in expansion pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203235722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157634A (en) * | 2013-03-25 | 2013-06-19 | 中国石油天然气股份有限公司 | Annular circulation cleaning device in expansion pipe |
-
2013
- 2013-03-25 CN CN 201320136954 patent/CN203235722U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157634A (en) * | 2013-03-25 | 2013-06-19 | 中国石油天然气股份有限公司 | Annular circulation cleaning device in expansion pipe |
| CN103157634B (en) * | 2013-03-25 | 2014-11-05 | 中国石油天然气股份有限公司 | Annular circulation cleaning device in expansion pipe |
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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: 20131016 Effective date of abandoning: 20141105 |
|
| RGAV | Abandon patent right to avoid regrant |