CN205349229U - Weak broken formation of deep hole is with going into silk screen bushing apparatus under boring - Google Patents
Weak broken formation of deep hole is with going into silk screen bushing apparatus under boring Download PDFInfo
- Publication number
- CN205349229U CN205349229U CN201620042328.4U CN201620042328U CN205349229U CN 205349229 U CN205349229 U CN 205349229U CN 201620042328 U CN201620042328 U CN 201620042328U CN 205349229 U CN205349229 U CN 205349229U
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- China
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- gas port
- silk screen
- densely covered
- skeleton
- deep hole
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Abstract
The utility model discloses a weak broken formation of deep hole is with going into silk screen bushing apparatus under boring, include and mainly constitute by gasbag fixer, drill fluid passageway, silk screen sleeve pipe, the folding gasbag of high -elastic pliable and tough type, the rigid connection body, device joint and densely covered air guide hole skeleton A along with going into the device under going into device and airtight aerating device under boring, wherein follow to bore. This practicality can realize that the sleeve pipe is gone into with under boring in deep hole drilling, thereby can effectively prevent the weak stuff in weak stratum after going into the destination layer pore wall under the silk screen sleeve pipe, the broken sillar of structure crushed zone becomes silted up and buries, drilling is filled out to the card, and formation pressure -bearing reinforce, complete firm drilling pore wall, conscientiously, the pore -forming difficulty that weak broken stratum drilling faces has been solved, protect difficult class of technological problem of hole dado, it goes into drilling smoothly down and normally creeps into to have ensured the drilling tool, work efficiency has been improved at double, the probing accident has significantly reduced.
Description
Technical field
This utility model relates to one and enters silk screen casing bit with under boring, and specifically a kind of deep hole weak broken stratum enters silk screen casing bit with under boring.
Background technology
Economic fast development makes the demand to mineral resources more and more big, and the exploitation of mineral resources is constantly deepened, and drilling project surveys the great attention of industry as the effective means of deeper mineral exploration with obtaining.But in geological drilling construction, it is frequently encountered by soft stratum, structurally fractured zone, in this weak broken stratum, probing is abnormal difficult, after boring is formed, often just there is hole wall collapse, super (contracting) footpath soon, fall the phenomenons such as block, cause drilling tool to bury (card), fracture and drill out the accidents such as new bore (again descending brill to can not find old Kong after carrying brill), how to carry out the work of the guarantor's holes protecting wall after the pore-forming of deep hole weak broken stratum and be particularly important, urgently.
Utility model content
The purpose of this utility model is in that to provide a kind of deep hole weak broken stratum to enter silk screen casing bit with under boring, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
A kind of deep hole weak broken stratum enters silk screen casing bit with under boring, device and airtight aerating device is entered including with under boring, wherein enter device mainly by air bag holder with under boring, drilling fluid passage, silk screen sleeve pipe, high-elastic flexible folded airbag, rigid connection body, device joint and densely covered gas port skeleton A are constituted, the outside of described densely covered gas port skeleton A sets gradually high-elastic flexible folded airbag and silk screen sleeve pipe, wherein the edges at two ends up and down of high-elastic flexible folded airbag is fixedly connected on the outside of densely covered gas port skeleton A by air bag holder, the bottom of described densely covered gas port skeleton A arranges rigid connection body；Described airtight aerating device is mainly made up of balancing weight, gather gas port skeleton B, steel strand wires, airway, sealing ring and adapter, the upper and lower two sides, outside of densely covered gas port skeleton B arrange sealing ring, the gap port gathered between gas port skeleton A and densely covered gas port skeleton B is closed by sealing ring, the sealed bottom of described densely covered gas port skeleton B, the top of densely covered gas port skeleton B connects steel strand wires by adapter, and the inside of adapter arranges airway.
As further program of the utility model: the top of described adapter arranges balancing weight.
As further program of the utility model: the bottom margin of described densely covered gas port skeleton B arranges rum point.
As further program of the utility model: the inner annular of described densely covered gas port skeleton A arranges pliable and tough rubber, and the pliable and tough rubber that annular is arranged constitutes drilling fluid passage.
As further program of the utility model: arrange foldable rigid body in described pliable and tough rubber, the bottom of foldable rigid body is fixedly connected on rigid connection body simultaneously, and the top of foldable rigid body connects, by cast iron, the top that sheet connects the gas port skeleton A that gathers.
Compared with prior art, the beneficial effects of the utility model are: this practicality can realize entering with under boring at deep well drilling middle sleeve, thus can effectively stop the broken sillar silt of soft stratum weakness charges, structurally fractured zone to bury, block and fill out boring after entering destination layer hole wall under silk screen sleeve pipe, and form bearing capacity firm borehole wall strong, complete, conscientiously solve weak broken stratum and creep into the technical barriers such as the pore-forming faced is difficult, guarantor's holes protecting wall is difficult, ensure that and enter boring under drilling tool is smoothly and normally creep into, significantly improve work efficiency, greatly reduce drilling accident.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is with the structural representation entering device original state under boring.
Fig. 3 is the structural representation of airtight aerating device.
In figure: air bag holder 1, cast iron connect sheet 2, drilling fluid passage 3, silk screen sleeve pipe 4, high-elastic flexible folded airbag 5, rigid connection body 6, device joint 7, foldable rigid body 8, pliable and tough rubber 9, balancing weight 10, the gas port skeleton A11 that gathers, the gas port skeleton B17 that gathers, steel strand wires 12, airway 13, sealing ring 14, adapter 15, rum point 16, gather gas port skeleton B17.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1～3, in this utility model embodiment, a kind of deep hole weak broken stratum enters silk screen casing bit with under boring, device and airtight aerating device is entered including with under boring, wherein enter device mainly by air bag holder 1 with under boring, drilling fluid passage 3, silk screen sleeve pipe 4, high-elastic flexible folded airbag 5, rigid connection body 6, device joint 7 and densely covered gas port skeleton A11 are constituted, the outside of described densely covered gas port skeleton A11 sets gradually high-elastic flexible folded airbag 5 and silk screen sleeve pipe 4, wherein the edges at two ends up and down of high-elastic flexible folded airbag 5 is fixedly connected on the outside of densely covered gas port skeleton A11 by air bag holder 1, by silk screen sleeve pipe 4 spreading and it is fixed on borehole wall by the expansion of high-elastic flexible folded airbag 5, and the inside of the gas port skeleton A11 that gathers arranges airtight aerating device, the bottom of described densely covered gas port skeleton A11 arranges rigid connection body 6.
Described airtight aerating device is mainly by balancing weight 10, gather gas port skeleton B17, steel strand wires 12, airway 13, sealing ring 14, adapter 15 and rum point 16 are constituted, the upper and lower two sides, outside of densely covered gas port skeleton B17 arrange sealing ring 14, the gap port gathered between gas port skeleton A11 and densely covered gas port skeleton B17 is closed by sealing ring 14, gas is made to enter high-elastic flexible folded airbag 5 from the gas port densely covered gas port skeleton A11 and densely covered gas port skeleton B17, the sealed bottom of described densely covered gas port skeleton B17, the top of densely covered gas port skeleton B17 connects steel strand wires 12 by adapter 15, and the inside of adapter 15 arranges airway 13, the source of the gas of outside is connected to realize supply by airway 13, the top of described adapter 15 arranges balancing weight 10, it is easy to airtight aerating device decline, the bottom margin of described densely covered gas port skeleton B17 arranges rum point 16, for clashing into.
Time initial, with entering device under boring along with drill bit decline, the inner annular of described densely covered gas port skeleton A11 arranges pliable and tough rubber 9, the pliable and tough rubber 9 that annular is arranged constitutes drilling fluid passage 3, it is easy to flushing liquor enter and do not affect densely covered gas port skeleton A11, and in pliable and tough rubber 9, foldable rigid body 8 is set, the contraction of pliable and tough rubber 9 rule is guaranteed by foldable rigid body 8, the bottom of foldable rigid body 8 is fixedly connected on rigid connection body 6 simultaneously, and the top of foldable rigid body 8 connects, by cast iron, the top that sheet 2 connects the gas port skeleton A11 that gathers；When with entering under boring under device to, when specifying position, severing cast iron by the rum point 16 on airtight aerating device and connect sheet 2 so that foldable rigid body 8 is folded down with pliable and tough rubber 9, from making gas circuit unobstructed.It is pressed into air to airway 13 by air compressor machine, the air of press-in has also expanded silk screen sleeve pipe 4 while making the expansion of high-elastic flexible folded airbag 5 by the gas port of the gas port skeleton B17 and densely covered gas port skeleton A11 that gathers, silk screen sleeve pipe 4 just departs from after expanding solid to enter device with under boring and be close to borehole wall, become separate component and be permanently kept in hole, remove air pressure, it is proposed to namely drilling tool completes to enter under silk screen sleeve pipe.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when without departing substantially from spirit of the present utility model or basic feature, it is possible to realize this utility model in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in this utility model.Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. a deep hole weak broken stratum enters silk screen casing bit with under boring, device and airtight aerating device is entered including with under boring, it is characterized in that, wherein enter device mainly by air bag holder with under boring, drilling fluid passage, silk screen sleeve pipe, high-elastic flexible folded airbag, rigid connection body, device joint and densely covered gas port skeleton A are constituted, the outside of described densely covered gas port skeleton A sets gradually high-elastic flexible folded airbag and silk screen sleeve pipe, wherein the edges at two ends up and down of high-elastic flexible folded airbag is fixedly connected on the outside of densely covered gas port skeleton A by air bag holder, the bottom of described densely covered gas port skeleton A arranges rigid connection body；Described airtight aerating device is mainly made up of balancing weight, gather gas port skeleton B, steel strand wires, airway, sealing ring and adapter, the upper and lower two sides, outside of densely covered gas port skeleton B arrange sealing ring, the gap port gathered between gas port skeleton A and densely covered gas port skeleton B is closed by sealing ring, the sealed bottom of described densely covered gas port skeleton B, the top of densely covered gas port skeleton B connects steel strand wires by adapter, and the inside of adapter arranges airway.
2. a kind of deep hole weak broken stratum according to claim 1 enters silk screen casing bit with under boring, it is characterised in that the top of described adapter arranges balancing weight.
3. a kind of deep hole weak broken stratum according to claim 1 enters silk screen casing bit with under boring, it is characterised in that the bottom margin of described densely covered gas port skeleton B arranges rum point.
4. a kind of deep hole weak broken stratum according to claim 1 enters silk screen casing bit with under boring, it is characterised in that the inner annular of described densely covered gas port skeleton A arranges pliable and tough rubber, and the pliable and tough rubber that annular is arranged constitutes drilling fluid passage.
5. a kind of deep hole weak broken stratum according to claim 1 enters silk screen casing bit with under boring, it is characterized in that, in described pliable and tough rubber, foldable rigid body is set, the bottom of foldable rigid body is fixedly connected on rigid connection body simultaneously, and the top of foldable rigid body connects, by cast iron, the top that sheet connects the gas port skeleton A that gathers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042328.4U CN205349229U (en) | 2016-01-15 | 2016-01-15 | Weak broken formation of deep hole is with going into silk screen bushing apparatus under boring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042328.4U CN205349229U (en) | 2016-01-15 | 2016-01-15 | Weak broken formation of deep hole is with going into silk screen bushing apparatus under boring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349229U true CN205349229U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620042328.4U Expired - Fee Related CN205349229U (en) | 2016-01-15 | 2016-01-15 | Weak broken formation of deep hole is with going into silk screen bushing apparatus under boring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205349229U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590516A (en) * | 2018-05-29 | 2018-09-28 | 佛山拾念科技有限公司 | A kind of geological prospecting device and its application method |
| CN111894511A (en) * | 2020-09-14 | 2020-11-06 | 西南石油大学 | Drilling downhole blowout prevention simulation device |
| CN115162277A (en) * | 2022-08-22 | 2022-10-11 | 江苏海洋大学 | Guiding device for hydraulic engineering planning |
-
2016
- 2016-01-15 CN CN201620042328.4U patent/CN205349229U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590516A (en) * | 2018-05-29 | 2018-09-28 | 佛山拾念科技有限公司 | A kind of geological prospecting device and its application method |
| CN111894511A (en) * | 2020-09-14 | 2020-11-06 | 西南石油大学 | Drilling downhole blowout prevention simulation device |
| CN115162277A (en) * | 2022-08-22 | 2022-10-11 | 江苏海洋大学 | Guiding device for hydraulic engineering planning |
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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 |
Granted publication date: 20160629 Termination date: 20170115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |