CN204371129U - Spiral multiple wing type universal wheel casing stabbing board - Google Patents
Spiral multiple wing type universal wheel casing stabbing board Download PDFInfo
- Publication number
- CN204371129U CN204371129U CN201420854742.6U CN201420854742U CN204371129U CN 204371129 U CN204371129 U CN 204371129U CN 201420854742 U CN201420854742 U CN 201420854742U CN 204371129 U CN204371129 U CN 204371129U
- Authority
- CN
- China
- Prior art keywords
- universal wheel
- centralizer
- flow deflector
- wing type
- multiple wing
- 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
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a kind of spiral multiple wing type universal wheel casing stabbing board, it comprises body, described body outer wall is laid with several centralizer bodies, each centralizer body is provided with at least one universal wheel, and universal wheel protrudes from described centralizer body external surface, between every two centralizer bodies of the outer wall of described body, be equipped with at least one flow deflector, described flow deflector is oblique setting relative to the axial direction of body, and described flow deflector and centralizer body be arranged in parallel or there is angle.Spiral multiple wing type universal wheel casing stabbing board of the present utility model greatly can reduce the frictional resistance in setting of casing process, ensure sleeve pipe smooth under enter, again can the displacement efficiency of raising cement paste of high degree, thus the double action this centralizer mass action effect being reached reduce frictional resistance and improve cementing quality.
Description
Technical field
The utility model relates to oil development drilling well casing cementing, completion field at present, be particularly suitable for the well cementation of the large all well type of the horizontal movement such as extended reach well, horizontal well, completion construction, ensure a kind of spiral multiple wing type universal wheel casing stabbing board entering and improve cementing quality under sleeve pipe smoothly.
Background technology
Along with the application of extended reach well, long horizontal sections horizontal well is more and more extensive, along with the continuous increase of horizontal movement, the frictional resistance value in setting of casing process is increasing, and meanwhile, casing annulus bias is more and more serious, causes Efficiency In Cementing not high.In order to change this situation, in setting of casing process, adopt the scheme of jacket application rigid centralizer.But different centralizer effect differences is very large, as " CN 202673180 U " rigid spiral idler centralizer, process is entered and the borehole wall is rolling friction under sleeve pipe, reduce frictional resistance greatly, but be easy to stuck for the wellbore conditions roller of complexity, thus cause not having due effect, simultaneously because the space between centralizer body is larger, cement paste forms certain flow-disturbing through adjacent righting strip during space, improve the displacement efficiency of cement paste to a certain extent, but cement paste flows through Shi Qixuan and is short of power, fluidised form is disorderly, what be unfavorable for cement paste fully replaces slurry, therefore the replacement for well cementation later stage, cement paste stage does not but have good effect, for another example " CN 202718638 U " low-resistance ball casing centralizer, sliding friction is become into rolling friction and for point cantact rolling friction in setting of casing process, reduce the frictional resistance in setting of casing process greatly, but between this centralizer anticreep baffle plate and steel ball as easy as rolling off a log by the mud cake on the borehole wall or gravel stuck and become sliding friction, do not have the effect of due reduction resistance, simultaneously, this centralizer cannot improve displacement efficiency in later stage cement paste displacement process, cannot improve later stage cementing quality.Consider existing rigid centralizer frictional resistance in process extended reach well setting of casing process excessive and cause sleeve pipe cannot be lowered into the limitation of the problem of designated depth and the not high problem of displacement efficiency of cement slurry, so, in order to solve the problem better, the development that can solve the new-type casing stabbing board reducing frictional resistance and improve displacement efficiency problem is extremely urgent.
Summary of the invention
The utility model is intended to one of solve the problems of the technologies described above, and provides a kind of spiral multiple wing type universal wheel casing stabbing board.
To achieve these goals, according to embodiment of the present utility model, a kind of spiral multiple wing type universal wheel casing stabbing board is proposed, comprise body, described body outer wall is laid with several centralizer bodies, each centralizer body is provided with at least one universal wheel, and universal wheel protrudes from described centralizer body external surface, at least one flow deflector is equipped with between every two centralizer bodies of the outer wall of described body, described flow deflector is oblique setting relative to the axial direction of body, and described flow deflector and centralizer body be arranged in parallel or there is angle.
Spiral multiple wing type universal wheel casing stabbing board according to the utility model embodiment makes the sliding friction in setting of casing process become rolling friction by the universal wheel of described centralizer, and universal wheel can select reasonable trend voluntarily in irregular well, greatly reduce the frictional resistance in setting of casing process, make sleeve pipe lower to designated depth or effective stretched sheathed tube depth of setting smoothly, by adopting the utility model spiral multiple wing type universal wheel casing stabbing board, in cement paste displacement process, the centralizer body of described centralizer and flow deflector produce a spiral stream guidance effect to cement paste, make cementing discharge capacity can form the effect of turbulence replacement under the discharge capacity condition lower than simple axial flow critical Reynolds number, the load that both effectively can solve slush pump can not meet huge discharge and note the problem replaced, low note can be solved again well for discharge capacity to the oversize problem being difficult to adjust of cement slurry thickening time requirement, thus make this centralizer mass action effect reach reduction frictional resistance and improve the double action of cementing quality.
In summary, spiral multiple wing type universal wheel casing stabbing board of the present utility model greatly can reduce the frictional resistance in setting of casing process, ensure the depth of setting being lowered into designated depth or effective stretched sheathed tube smoothly of sleeve pipe, again can the displacement efficiency of raising cement paste of high degree, thus the double action this centralizer mass action effect being reached reduce frictional resistance and improve cementing quality.
In addition, following additional technical feature can also be had according to the spiral multiple wing type universal wheel casing stabbing board of the utility model embodiment:
Preferably, the axial direction of described centralizer body opposing body also in oblique setting, and relative to axial direction, described centralizer body and the oblique the same side of flow deflector of body.It can thus be appreciated that, because centralizer body incline direction is consistent with flow deflector, therefore centralizer body resistance to it in cement paste direction of advance can be reduced.When flow deflector and centralizer body be arranged in parallel, the resistance of centralizer body to cement paste is minimum, and cement paste also can be made to produce spiral flow; When there is angle in flow deflector and centralizer body, due to through the cement paste flow direction of flow deflector water conservancy diversion and centralizer body inconsistent, therefore cement paste can be made to produce good turbulent condition, and then improve the displacement efficiency of cement paste, improve cementing quality.
Preferably, the angle between described flow deflector and centralizer body becomes large from top to bottom gradually.It can thus be appreciated that this angle is in and connects in gradual change, and cement paste can be made to produce better eddy flow state, thus enable cement paste fully for slurry, improve displacement efficiency.Preferred further, described flow deflector fades to 60 ° relative to the angle between centralizer body by 30 °.
Preferably, be provided with at least one universal wheel mounting groove in described centralizer body, be provided with positioning screw hole in universal wheel mounting groove, described universal wheel is arranged in described positioning screw hole by bearing pin.
Preferably, the length of described flow deflector is less than the length of centralizer body, and the height of flow deflector is less than the height of centralizer body, and the width of flow deflector is less than the width of centralizer body.
Preferably, the quantity of described centralizer body is 4 ~ 6.
Preferably, described each centralizer body arranges 2 ~ 3 universal wheels.
Preferably, the flow deflector quantity between described adjacent two centralizer bodies is 2 ~ 4.
Preferably, the surface of described flow deflector is arc line shaped, to reduce the resistance of flow deflector to flowing cement paste itself.
Preferably, the lift angle of centralizer body is 30 ° ~ 60 °, and the best of breed angle of centralizer body and flow deflector will be determined according to actual conditions, does not repeat them here.
The utility model also provides a kind of and utilizes the above-mentioned application of spiral multiple wing type universal wheel casing stabbing board in wellbore construction, centralizer is contained on sleeve pipe, in setting of casing process, the sliding friction in setting of casing process is made to become rolling friction by the universal wheel of described centralizer, and universal wheel can select reasonable trend voluntarily in irregular well, greatly reduce the frictional resistance in setting of casing process, make sleeve pipe lower to designated depth or effective stretched sheathed tube depth of setting smoothly; In cementing slurry displacement process, better effect is replaced in order to reach, there are two kinds of ways in theory: (1) high speed laminar flow replaces-be similar to turbulence replacement, thus raising displacement efficiency, but, this kind of displacement method needs powerful slush pump to support, and slush pump duty ratio is comparatively large, and the load of on-the-spot actual slush pump is difficult to meet the demands; (2) low speed plug flow displacement, this kind of displacement method can meet the replacement requirement to cement paste, but is in lower-speed state owing to replacing during on-the-spot practical operation, and require long to the thickening time of cement paste, scene is difficult to adjustment.For above-mentioned problem, by adopting the utility model spiral multiple wing type universal wheel casing stabbing board, in cement paste displacement process, the flow deflector of described centralizer produces a spiral stream guidance effect to cement paste, thus larger disturbance is produced to cement paste axial flow, make cementing discharge capacity can form the effect of turbulence replacement under the discharge capacity condition lower than simple axial flow critical Reynolds number, thus raising displacement efficiency, and the load that both effectively can solve pump can not meet huge discharge and notes the problem replaced, the problem being difficult to because cement slurry thickening time is oversize adjust can be solved again well.Thus make this centralizer mass action effect reach reduction frictional resistance and improve the double action of cementing quality.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the utility model spiral multiple wing type universal wheel casing stabbing board;
Fig. 2 is the partial enlarged drawing of the universal wheel of the utility model spiral multiple wing type universal wheel casing stabbing board.
description of reference numerals:
1. body; 2. centralizer body; 3. circular trough; 4. flow deflector; 5. universal wheel; 5-1. rolling element; 5-2. bolt; 5-3. supports restraining plate; The screwed bearing pin of 5-4..
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
The 1 spiral multiple wing type universal wheel casing stabbing board describing the utility model embodiment in detail with reference to the accompanying drawings below, comprises body 1, centralizer body 2, circular trough 3, flow deflector 4, universal wheel 5.Body 1 outer wall evenly divides and has four for parallelogram sturcutre centralizer body 2, each centralizer body 2 has two circular trough 3(universal wheel mounting grooves), be provided with positioning screw hole in circular trough 3.Universal wheel 5 is arranged in the positioning screw hole in circular trough 3 by screwed bearing pin 5-4, and bearing pin 5-4 can rotate freely in positioning screw hole.Universal wheel 5 protrudes from centralizer body 2 external diameter; The flow deflector 4 that two surfaces are arc line shaped is all provided with between every two centralizer bodies 2 of the outer wall of described body 1.The length of flow deflector 4 is less than the length of centralizer body 2, and the height of flow deflector 4 is less than the height of centralizer body 2, and the width of flow deflector 4 is less than the width of centralizer body 2.Centralizer body 2 and flow deflector 4 relative to the axial direction of body 1 all in oblique setting, and relative to axial direction, centralizer body 2 and the oblique the same side of flow deflector 4 of body 1.There is angle between flow deflector 4 and centralizer body 2, and the angle between flow deflector 4 and centralizer body 2 becomes greatly from top to bottom gradually, preferred angle fades to 60 ° by 30 °.The lift angle of centralizer body 2 is 30 ° ~ 60 °, and the best of breed angle of centralizer body and flow deflector also must be determined according to actual conditions.
Wherein, the quantity of centralizer body 2 chooses suitable centralizer body 2 quantity according to the size of body 1 external diameter, ensure that the gap be separated by between two centralizer bodies 2 is reasonable, each centralizer body 2 is equipped with two universal wheels 5 and is arranged on circular trough 3 by screwed bearing pin 5-4, when making the sleeve pipe that this centralizer is housed enter lower curved section or net horizontal section, the friction of centralizer and well becomes rolling friction from sliding friction, and universal wheel can be selected rationally to move towards thus the frictional force substantially reduced between sleeve pipe and the borehole wall voluntarily in the well of irregular, simultaneously, replace in cement paste process in later stage well cementation, better eddy flow is produced under the effect of centralizer body 2 and flow deflector 4, thus improve the displacement efficiency of cement paste greatly, improve cementing quality.
A kind ofly utilize the above-mentioned application of spiral multiple wing type universal wheel casing stabbing board in wellbore construction, centralizer is contained on sleeve pipe, in setting of casing process, the universal wheel 5 of described centralizer makes the sliding friction in setting of casing process become rolling friction, and universal wheel can select reasonable trend voluntarily in irregular well, its frictional resistance of the reduction of high degree, makes sleeve pipe lower to designated depth or effective stretched sheathed tube depth of setting smoothly; In cementing slurry displacement process, better effect is replaced in order to reach, there are two kinds of ways in theory: (1) high speed laminar flow replaces-be similar to turbulence replacement, thus raising displacement efficiency, but, this kind of displacement method needs powerful slush pump to support, and slush pump duty ratio is comparatively large, and the load of on-the-spot actual slush pump is difficult to meet the demands; (2) low speed plug flow displacement, this kind of displacement method can meet the replacement requirement to cement paste, but is in lower-speed state owing to replacing during on-the-spot practical operation, and require long to the thickening time of cement paste, scene is difficult to adjustment.For above-mentioned problem, by adopting the utility model spiral multiple wing type universal wheel casing stabbing board, in cement paste displacement process, the flow deflector of described centralizer produces a spiral stream guidance effect to cement paste, thus larger disturbance is produced to cement paste axial flow, make cementing discharge capacity can form the effect of turbulence replacement under the discharge capacity condition lower than simple axial flow critical Reynolds number, thus raising displacement efficiency, and the load that both effectively can solve pump can not meet huge discharge and notes the problem replaced, the problem being difficult to because cement slurry thickening time is oversize adjust can be solved again well.Thus make this centralizer mass action effect reach reduction frictional resistance and improve the double action of cementing quality.
To sum up, the spiral multiple wing type universal wheel casing stabbing board of the utility model embodiment has following beneficial effect:
When the spiral multiple wing type universal wheel casing stabbing board of the utility model embodiment makes setting of casing by laying universal wheel 5, sliding friction becomes rolling friction, and universal wheel can be selected rationally to move towards frictional resistance when reducing setting of casing dramatically voluntarily in the well of irregular, the wellbore conditions of down-hole complexity can better be tackled, ensure that sleeve pipe is lower to designated depth or the effective depth of setting extending sleeve pipe smoothly.Simultaneously in cementing slurry displacement process, spiral centralizer body 2 and flow deflector 4 arrange can the improvement cement paste of high degree by the flow regime of centralizer, especially baffle design: flow deflector 4 surface is arc line shaped, angle is in continuous gradation, when when cementing the well for the later stage, cement paste flows through passage between flow deflector, not only reduced the resistance of cement paste but also cement paste can be made to produce larger circumferential speed, produce better eddy flow state, thus enable cement paste fully for slurry, thus improve the displacement efficiency of cement paste, improve cementing quality.The utility model can reduce setting of casing process frictional resistance, well can improve again the displacement efficiency of cement paste, the utility model is particularly suitable for the large all well type of the horizontal movement such as extended reach well, horizontal well.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (9)
1. a spiral multiple wing type universal wheel casing stabbing board, comprise body, described body outer wall is laid with several centralizer bodies, it is characterized in that, each centralizer body is provided with at least one universal wheel, and universal wheel protrudes from described centralizer body external surface, between every two centralizer bodies of the outer wall of described body, be equipped with at least one flow deflector, described flow deflector is oblique setting relative to the axial direction of body, and described flow deflector and centralizer body be arranged in parallel or there is angle.
2. spiral multiple wing type universal wheel casing stabbing board according to claim 1, is characterized in that, the axial direction of described centralizer body opposing body also in oblique setting, and relative to axial direction, described centralizer body and the oblique the same side of flow deflector of body.
3. spiral multiple wing type universal wheel casing stabbing board according to claim 1 and 2, is characterized in that, the angle between described flow deflector and centralizer body becomes large from top to bottom gradually.
4. spiral multiple wing type universal wheel casing stabbing board according to claim 3, it is characterized in that, described flow deflector fades to 60 ° relative to the angle between centralizer body by 30 °.
5. spiral multiple wing type universal wheel casing stabbing board according to claim 1, it is characterized in that, be provided with at least one universal wheel mounting groove in described centralizer body, be provided with positioning screw hole in universal wheel mounting groove, described universal wheel is arranged in described positioning screw hole by bearing pin.
6. spiral multiple wing type universal wheel casing stabbing board according to claim 1, it is characterized in that, the length of described flow deflector is less than the length of centralizer body, and the height of flow deflector is less than the height of centralizer body, and the width of flow deflector is less than the width of centralizer body.
7. spiral multiple wing type universal wheel casing stabbing board according to claim 1, is characterized in that, the quantity of described centralizer body is 4 ~ 6.
8. spiral multiple wing type universal wheel casing stabbing board according to claim 1, is characterized in that, described each centralizer body is arranged 2 ~ 3 universal wheels.
9. spiral multiple wing type universal wheel casing stabbing board according to claim 1, is characterized in that, the flow deflector quantity between described adjacent two centralizer bodies is 2 ~ 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854742.6U CN204371129U (en) | 2014-12-30 | 2014-12-30 | Spiral multiple wing type universal wheel casing stabbing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854742.6U CN204371129U (en) | 2014-12-30 | 2014-12-30 | Spiral multiple wing type universal wheel casing stabbing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371129U true CN204371129U (en) | 2015-06-03 |
Family
ID=53327358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420854742.6U Expired - Fee Related CN204371129U (en) | 2014-12-30 | 2014-12-30 | Spiral multiple wing type universal wheel casing stabbing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204371129U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533313A (en) * | 2014-12-30 | 2015-04-22 | 中国石油大学(华东) | Spiral multi-wing type universal wheel casing centralizer and application thereof |
| CN106988688A (en) * | 2017-06-08 | 2017-07-28 | 广汉川亿石油科技有限公司 | Well cementation eddy flow rigid, hard centralizer |
| CN107762427A (en) * | 2016-08-18 | 2018-03-06 | 中国石油化工股份有限公司 | A kind of rigid centralizer |
| CN107939292A (en) * | 2017-11-20 | 2018-04-20 | 中国科学院武汉岩土力学研究所 | Karst region subway tunnel limestone section grouting for water blocking drilling deviation correcting device and method |
-
2014
- 2014-12-30 CN CN201420854742.6U patent/CN204371129U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533313A (en) * | 2014-12-30 | 2015-04-22 | 中国石油大学(华东) | Spiral multi-wing type universal wheel casing centralizer and application thereof |
| CN107762427A (en) * | 2016-08-18 | 2018-03-06 | 中国石油化工股份有限公司 | A kind of rigid centralizer |
| CN106988688A (en) * | 2017-06-08 | 2017-07-28 | 广汉川亿石油科技有限公司 | Well cementation eddy flow rigid, hard centralizer |
| CN107939292A (en) * | 2017-11-20 | 2018-04-20 | 中国科学院武汉岩土力学研究所 | Karst region subway tunnel limestone section grouting for water blocking drilling deviation correcting device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204371129U (en) | Spiral multiple wing type universal wheel casing stabbing board | |
| CN110219611B (en) | Coal mine underground horizontal drilling core drill tool combination and use method thereof | |
| CN104533313A (en) | Spiral multi-wing type universal wheel casing centralizer and application thereof | |
| CN103277067A (en) | Horizontal well eccentric annulus displacement parameter optimizing method | |
| CN105156072A (en) | Vortex flow guiding device | |
| CN103775010A (en) | Borehole cleaning tool for horizontal-section gas drilling | |
| CN104343424A (en) | Coalbed-methane horizontal-well PE (poly ethylene) screen pipe well completion application process method | |
| CN201924839U (en) | Primary production string | |
| Qin et al. | Successful field trials of water control in high water cut wells using an improved downhole water sink/drainage system | |
| CN206016790U (en) | Limited level discontinuous Double helix shaft bottom sand liquid mixture tubing string | |
| CN109555500B (en) | Circulation passage switching tool for staged well washing of tail pipe well | |
| CN106150469A (en) | Limited level discontinuous Double helix shaft bottom sand liquid mixture tubing string | |
| CN102635316A (en) | Rigid spiral idler centralizer | |
| CN103912225A (en) | Auxiliary cutting carrying tool for coal seam gas extraction gas-filled underbalanced drilling of multilateral wells | |
| CA2911725C (en) | Fluid control device and fluid control system | |
| CN213775286U (en) | Rock debris migration simulation equipment | |
| CN103726814B (en) | A kind of from flow-regulating type nozzle type inflow control device | |
| CN112227988A (en) | Visual horizontal annular space rock debris migration simulation equipment | |
| CN204782846U (en) | Hydraulic boost motor in pit | |
| CN206205778U (en) | A kind of underground is slidingly sealed instrument and its unlimited extended reach drilling device | |
| CN201953352U (en) | All-purpose float valve | |
| CN206158632U (en) | Novel ware is crawled into to water conservancy | |
| CN204984363U (en) | Well logging drifting ware | |
| CN102434115A (en) | Strong rotational flow sleeve centralizer | |
| CN215927357U (en) | Carbon dioxide fracturing sand-carrying reinforcing device system |
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: 20150603 Termination date: 20211230 |