CN207122301U - A kind of drilling well sand cleaning tool - Google Patents
A kind of drilling well sand cleaning tool Download PDFInfo
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- CN207122301U CN207122301U CN201721051104.0U CN201721051104U CN207122301U CN 207122301 U CN207122301 U CN 207122301U CN 201721051104 U CN201721051104 U CN 201721051104U CN 207122301 U CN207122301 U CN 207122301U
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- feed liquor
- spiral
- tube
- mixing drum
- cleaning tool
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Abstract
The utility model discloses a kind of drilling well sand cleaning tool, including：Feed liquor cylinder (2), rotationally it is enclosed on the peripheral spiral-tube (3) of the feed liquor cylinder (2), it is enclosed on the peripheral mixing drum (4) of the spiral-tube (3), go out fluid cylinder body (6) with what the feed liquor cylinder (2) was connected, the outer wall of the spiral-tube (3) is fixedly connected with the inwall of the mixing drum (4), and the passage flowed through for liquid is provided with therebetween, the entrance of the passage connects with the inner chamber of the feed liquor cylinder (2), the outlet of the passage connects with the inner chamber of the feed liquor cylinder (2), the helical blade being fixedly connected with the spiral-tube (3) and/or the mixing drum (4) is provided with the passage, the outer wall of the mixing drum (4) is provided with the projection for being used for blending cutting bed.Mixing drum of the present utility model can effectively stir the landwaste of borehole wall accumulation, so as to form eddy flow, prevent landwaste from depositing, effectively clean well.
Description
Technical field
It the utility model is related to the sand cleaning tool that well is cleaned in a kind of drilling process of drilling engineering field.
Background technology
In the regional wellbore construction of high angle hole and easy unstability chip off-falling, hole instability, landwaste often occurs and sinks
It is deposited on the borehole wall and forms cutting bed, or because easy unstability chip off-falling, the borehole diameter of hole instability well section are larger, annular space returns
Speed is too low, and drilling fluid is difficult to take the landwaste of borehole wall accumulation out of ground, and well cleaning difficulty is very big, so not only endangers well
Lower safety, and the frictional resistance between drill string and well is greatly increased, drill string backing pressure is caused, bit speed is reduced, had a strong impact on
Drilling benefit.
Therefore, for how effectively to solve the talus deposit of high angle hole and the larger well section of hole diameter, band does not go out ground
Problem, a method are increase mud flow rates, make the increase of drilling well flow velocity, improve and take rock efficiency, but this method drilling fluid
Cyclic pressure dissipation is big, can also greatly increase leakage risk.
Therefore, how in the case of the cyclic pressure dissipation of drilling fluid is less, solve the problems, such as borehole wall talus deposit, turn into this
Art personnel important technological problems to be solved.
Utility model content
The purpose of this utility model is to provide a kind of drilling well sand cleaning tool, can be in the less feelings of cyclic pressure dissipation of drilling fluid
Under condition, solves the problems, such as borehole wall talus deposit.
A kind of drilling well sand cleaning tool provided by the utility model, including：Feed liquor cylinder (2), be rotationally enclosed on it is described enter
The peripheral spiral-tube (3) of fluid cylinder body (2), the peripheral mixing drum (4) for being enclosed on the spiral-tube (3) and the feed liquor cylinder
(2) what is be connected goes out fluid cylinder body (6), and the outer wall of the spiral-tube (3) is fixedly connected and two with the inwall of the mixing drum (4)
The passage flowed through for liquid is provided between person, the entrance of the passage connects with the inner chamber of the feed liquor cylinder (2), the passage
Outlet connected with the inner chamber of the feed liquor cylinder (2), be provided with the passage and the spiral-tube (3) and/or the stirring
The helical blade that cylinder (4) is fixedly connected, the outer wall of the mixing drum (4) are provided with the projection for being used for blending cutting bed.
Preferably, the upper end of the feed liquor cylinder (2) is connected with top connection (1), it is described go out fluid cylinder body (6) lower end connection
There is lower contact (7).
Preferably, the helical blade is the multi-circle spiral flow structure being looped around on the outer wall of the spiral-tube (3).
Preferably, the projection is the screw wing being looped around on the outer wall of the mixing drum (4).
Preferably, it is described go out fluid cylinder body (6) upper surface it is relative with the lower surface of the spiral-tube (3) connect and also the two
The groove of domain shape is provided with, steel ball (5) is provided with the groove.
Preferably, the cylindrical top of the feed liquor cylinder (2) is provided with the raised step of domain shape, the raised step
Circumferentially it is uniformly arranged multiple through holes and connects the passage and feed liquor cylinder (2) inner chamber.
Preferably, it is described go out fluid cylinder body (6) upper surface be circumferentially provided with multiple through holes and connect the passage and go out fluid cylinder
The inner chamber of body (6).
Preferably, the upper end screwed connection of the lower end of the top connection (1) and the feed liquor cylinder (2), it is described enter fluid cylinder
The lower end of body (2) and it is described go out fluid cylinder body (6) upper end screwed connection, it is described go out fluid cylinder body (6) lower end and it is described under connect
The upper end screwed connection of head (7).
In technical scheme provided by the utility model, drilling fluid is entered logical between spiral-tube and mixing drum by feed liquor cylinder
In road, under the pressure effect of drilling fluid helical blade can be made to produce rotation, and then drive spiral-tube and mixing drum to be rotated,
The outer wall of mixing drum is provided with the projection for being used for crushing cutting bed, and projection can be entered with the rotation of mixing drum to cutting bed
Row is broken.It is arranged such, the mixing drum in the utility model can effectively stir the landwaste of borehole wall accumulation, prevent landwaste from depositing, have
Effect cleaning well, and mixing drum is driven using drilling fluid, and easy and effective, the structure is pure mechanic structure in addition, securely and reliably,
Adapt to underground complex environment.Moreover, relative to increase mud flow rate in the prior art pressure can be caused to consume increased mode, this reality
The problem of will not causing drilling hydraulic consumption increase with the technical scheme of new offer.
Brief description of the drawings
Fig. 1 is the structural representation of the drilling well sand cleaning tool in the utility model embodiment；
Fig. 2 is the three dimensional structure diagram of the spiral-tube in the utility model embodiment；
Fig. 3 is the three dimensional structure diagram of the mixing drum in the utility model embodiment；
In figure：1- top connections, 2- feed liquors cylinder, 3- spiral-tubes, 4- mixing drums, 5- steel balls, 6- go out under fluid cylinder body, 7- to connect
Head.
Embodiment
Present embodiment provide drilling well sand cleaning tool, can in the case of the cyclic pressure dissipation of drilling fluid is less,
Solves the problems, such as borehole wall talus deposit.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1-Figure 3, the drilling well sand cleaning tool that the present embodiment provides, including top connection 1, feed liquor cylinder 2, spiral-tube
3rd, mixing drum 4, steel ball 5, go out fluid cylinder body 6 and lower contact 7 is formed.
Wherein, the upper end of top connection 1 can with upper drilling string screwed connection, the lower end of lower contact 7 can and lower drilling string
Screwed connection.
The cylindrical of spiral-tube 3 is provided with helical blade, and mixing drum 4 is cylindrical to be provided with screw wing, and spiral-tube 3 inserts mixing drum
4 endoporus, helical blade and the inner hole welding of rapid cooling of mixing drum 4 on spiral-tube 3 is cylindrical are fixed.
Spiral-tube 3 and the overall 2 cylindrical bottom of insertion feed liquor cylinder of mixing drum 4, the cylindrical top of feed liquor cylinder 2 set a circle
Raised step, six through holes, through hole connection raised step and the inner chamber of feed liquor cylinder 2 are circumferentially uniformly arranged in raised step, simultaneously
Flow passage between six through holes and spiral-tube 3 and mixing drum 4.
Circumferential six through holes in upper surface for going out fluid cylinder body 6 connect out the upper surface of fluid cylinder body 6 and go out the inner chamber of fluid cylinder body 6, and this six
Flow passage between individual through hole and spiral-tube 3 and mixing drum 4.
The lower surface of spiral-tube 3 is provided with a circle groove, goes out the upper surface of fluid cylinder body 6 and sets a circle groove, steel ball 5 is arranged on
In the groove of the lower surface of spiral-tube 3.It is arranged such, is easy to spiral-tube 3 and goes out the relative rotation of fluid cylinder body 6.
The lower end of top connection 1 and the upper end of feed liquor cylinder 2 can with screwed connection, the lower end of feed liquor cylinder 2 and go out the upper end of fluid cylinder body 6 can
With screwed connection, going out the lower end of fluid cylinder body 6 and the upper end of lower contact 7 can be with screwed connection.
In the technical scheme that the present embodiment provides, drilling fluid is entered between spiral-tube 3 and mixing drum 4 by feed liquor cylinder 2
In passage, under the pressure effect of drilling fluid helical blade can be made to produce rotation, and then drive spiral-tube 3 and mixing drum 4 to carry out
Rotate, the outer wall of mixing drum 4 is provided with the projection for being used for crushing cutting bed, raised with the rotation of mixing drum, and then can be to rock
Bits bed is crushed.
It is arranged such, the mixing drum in the present embodiment can effectively stir the landwaste of borehole wall accumulation, prevent landwaste from depositing, effectively
Well is cleaned, and mixing drum is driven using drilling fluid, and easy and effective, the structure is pure mechanic structure in addition, securely and reliably, is fitted
Answer underground complex environment.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
- A kind of 1. drilling well sand cleaning tool, it is characterised in that including：Feed liquor cylinder (2), rotationally it is enclosed on the feed liquor cylinder (2) peripheral spiral-tube (3), it is enclosed on the peripheral mixing drum (4) of the spiral-tube (3), is connected with the feed liquor cylinder (2) What is connect goes out fluid cylinder body (6), and the outer wall of the spiral-tube (3) is fixedly connected with the inwall of the mixing drum (4) and set therebetween Have the passage flowed through for liquid, the entrance of the passage connects with the inner chamber of the feed liquor cylinder (2), the outlet of the passage with The inner chamber connection of the feed liquor cylinder (2), interior be provided with of the passage are fixed with the spiral-tube (3) and/or the mixing drum (4) The helical blade of connection, the outer wall of the mixing drum (4) are provided with the projection for being used for blending cutting bed.
- 2. drilling well sand cleaning tool as claimed in claim 1, it is characterised in that the upper end of the feed liquor cylinder (2) is connected with Joint (1), it is described go out fluid cylinder body (6) lower end be connected with lower contact (7).
- 3. drilling well sand cleaning tool as claimed in claim 1, it is characterised in that the helical blade is to be looped around the spiral-tube (3) the multi-circle spiral flow structure on outer wall.
- 4. drilling well sand cleaning tool as claimed in claim 1, it is characterised in that the projection is to be looped around the mixing drum (4) Outer wall on screw wing.
- 5. drilling well sand cleaning tool as claimed in claim 1, it is characterised in that it is described go out fluid cylinder body (6) upper surface with it is described The lower surface of spiral-tube (3) is relative to be connect and the two is provided with the groove of domain shape, and steel ball (5) is provided with the groove.
- 6. drilling well sand cleaning tool as claimed in claim 1, it is characterised in that the cylindrical top of the feed liquor cylinder (2) is set There is the raised step of domain shape, the circumference of the raised step is uniformly arranged multiple through holes and connects the passage and feed liquor cylinder (2) inner chamber.
- 7. drilling well sand cleaning tool as claimed in claim 1, it is characterised in that it is described go out fluid cylinder body (6) upper surface circumferentially set Multiple through holes are equipped with to connect the passage and go out the inner chamber of fluid cylinder body (6).
- 8. drilling well sand cleaning tool as claimed in claim 2, it is characterised in that the lower end of the top connection (1) and the feed liquor The upper end screwed connection of cylinder (2), the lower end of the feed liquor cylinder (2) and it is described go out fluid cylinder body (6) upper end screwed connection, institute State out the lower end of fluid cylinder body (6) and the upper end screwed connection of described lower contact (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051104.0U CN207122301U (en) | 2017-08-21 | 2017-08-21 | A kind of drilling well sand cleaning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051104.0U CN207122301U (en) | 2017-08-21 | 2017-08-21 | A kind of drilling well sand cleaning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207122301U true CN207122301U (en) | 2018-03-20 |
Family
ID=61610922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721051104.0U Active CN207122301U (en) | 2017-08-21 | 2017-08-21 | A kind of drilling well sand cleaning tool |
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| Country | Link |
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| CN (1) | CN207122301U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412459A (en) * | 2018-05-15 | 2018-08-17 | 成都奥尤盖茨科技发展有限公司 | T-type PDC sand cleaning devices |
| CN108915615A (en) * | 2018-07-19 | 2018-11-30 | 东北石油大学 | A kind of auxiliary improves the drilling rod of Annular Cuttings degree of sorting |
| CN110469278A (en) * | 2019-08-09 | 2019-11-19 | 中国石油天然气股份有限公司 | A kind of cutting bed cleaning tool and application method |
| CN112377127A (en) * | 2020-11-30 | 2021-02-19 | 西华大学 | Drilling tool with well cleaning function |
| CN112377126A (en) * | 2020-11-30 | 2021-02-19 | 西华大学 | Hydraulic drill feeding tool for horizontal well |
-
2017
- 2017-08-21 CN CN201721051104.0U patent/CN207122301U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412459A (en) * | 2018-05-15 | 2018-08-17 | 成都奥尤盖茨科技发展有限公司 | T-type PDC sand cleaning devices |
| CN108915615A (en) * | 2018-07-19 | 2018-11-30 | 东北石油大学 | A kind of auxiliary improves the drilling rod of Annular Cuttings degree of sorting |
| CN110469278A (en) * | 2019-08-09 | 2019-11-19 | 中国石油天然气股份有限公司 | A kind of cutting bed cleaning tool and application method |
| CN112377127A (en) * | 2020-11-30 | 2021-02-19 | 西华大学 | Drilling tool with well cleaning function |
| CN112377126A (en) * | 2020-11-30 | 2021-02-19 | 西华大学 | Hydraulic drill feeding tool for horizontal well |
| CN112377126B (en) * | 2020-11-30 | 2023-07-04 | 北京泽天盛海石油工程技术有限公司 | Hydraulic drill feeding tool for horizontal well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180727 Address after: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Co-patentee after: THE FIRST WELL DRILLING COMPANY OF SINOPEC ZHONGYUAN OIL ENGINEERING CO., LTD. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Co-patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD. Address before: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Co-patentee before: THE FIRST WELL DRILLING COMPANY OF SINOPEC ZHONGYUAN OIL ENGINEERING CO., LTD. Patentee before: SINOPEC OILFIELD SERVICE CORPORATION |
|
| TR01 | Transfer of patent right |