CN206636522U - The stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output - Google Patents
The stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output Download PDFInfo
- Publication number
- CN206636522U CN206636522U CN201720338139.6U CN201720338139U CN206636522U CN 206636522 U CN206636522 U CN 206636522U CN 201720338139 U CN201720338139 U CN 201720338139U CN 206636522 U CN206636522 U CN 206636522U
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- China
- Prior art keywords
- inner housing
- runner
- outer shell
- hydraulic pressure
- drilling fluid
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Abstract
A kind of stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output is the utility model is related to, to solve the problems, such as that downhole tool drilling fluid hydraulic pressure in drilling process is unstable.Its technical scheme is：Upper outer shell is connected with lower shell body by screw thread；Runner is provided with flange, is inserted in upper end in upper outer shell；In upper inner housing insertion flange, runner is formed between upper inner housing upper end and upper outer shell, the unidirectional valve that flows loads in upper inner housing, and stream valve body axle is equipped with upper groups of springs with central tube intercolumniation；Inner chamber centered on unidirectional stream valve centre, flows and unidirectional runner is provided with valve body axle, and upper inner housing has single hole runner and cellular flow passages with center tubing string；Lower that lower spring group is housed between inner housing and upper outer shell, lower inner housing lower end is equipped with jet nozzle.The utility model can control drilling fluid working hydraulic pressure in a stable scope, improve the stability of downhole tool work, reduce drilling cost.
Description
Technical field
It the utility model is related to a kind of be used in the fields such as oil-gas drilling engineering, mining, geological drilling
The stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output.
Background technology
As Shallow Oil-Gas resource is increasingly exhausted, drilling engineering exploration and development is gradually to environmental conditions such as deep-well, ultradeep wells
Severe field development.After well depth increase, the difficulty of catalase can greatly increase the drilling fluid liquid, it is necessary to continually and steadily export
Press to realize efficient rock-breaking.Existing downhole tool is difficult often to accomplish to regulate and control drilling fluid hydraulic pressure in the course of the work, is easily gone out
Existing hydraulic pressure output is unstable, causes energy expenditure high, drill bit efficiency of breaking rock is low.
The content of the invention
The purpose of this utility model is：Exported not to solve traditional downhole tool drilling fluid hydraulic pressure in deep-well, ultradeep well
The high problem such as low with drill bit efficiency of breaking rock of stable, energy expenditure, spy provide a kind of controllable drilling fluid hydraulic pressure output stable new
Type downhole tool.
To achieve the above object, the utility model uses following technical scheme：
The stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output, by upper outer shell（1）, unidirectional runner（2）, stream valve
Body axle（3）, valve ball（4）, unidirectionally flow valve（5）, flange（6）, central lumen（7）, upper groups of springs（8）, cellular flow passages（9）, single hole
Runner（10）, upper inner housing（11）, sealing ring（12）, center tubing string（13）, lower inner housing（14）, lower spring group（15）, jet flow
Mouth（16）, lower shell body（17）Composition, it is characterised in that：Upper outer shell（1）With lower shell body（17）It is connected by screw thread；Flange
（6）It is inserted in upper outer shell（1）It is interior and withstand upper outer shell（1）The interior shaft shoulder carries out axially position, flange（6）It is provided with through hole runner；
Upper inner housing（11）Embedded flange（6）It is interior, upper inner housing（11）Upper end and upper outer shell（1）Between form cavity runner, unidirectional stream
Valve（5）Inner housing in loading（11）It is interior, unidirectionally flow valve（5）Inner chamber centered on centre（7）, valve ball（4）Installed in unidirectional stream valve（5）
It is interior, flow valve body axle（3）With center tubing string（13）Between upper groups of springs is housed（8）, flow valve body axle（3）On be provided with unidirectional runner（2）, on
Inner housing（11）It is provided with single hole runner（10）, center tubing string（13）It is provided with cellular flow passages（9）, unidirectionally flow valve（5）, stream valve body axle
（3）, valve ball（4）, upper groups of springs（8）With center tubing string（13）For the upper axis body of the instrument；Lower inner housing（14）With upper outer shell
（1）Between lower spring group is housed（15）, lower inner housing（14）Upper end and center tubing string（13）Between leave reserved stroke space, lower inner casing
Body（14）Lower part is equipped with jet nozzle（16）, lower inner housing（14）Lower end withstands on lower shell body（17）Carried out axially on the shaft shoulder of top
Positioning, lower inner housing（14）, lower spring group（15）And jet nozzle（16）For the lower axis body of the instrument.
Described cellular flow passages（9）For circumferentially-spaced 60 ° of 6 ducts, upper groups of springs（8）With lower spring group（15）By concatenating
6 disk springs composition, lower inner housing（14）Upper end and center tubing string（13）Between the reserved stroke space axial length that leaves
More than cellular flow passages（9）With single hole runner（10）Axial length summation.
The beneficial effects of the utility model are：（1）The relative motion that the instrument passes through upper axis body and lower axis body so that drilling well
Liquid hydraulic pressure in flow process is controllable, effectively overcomes the defects of traditional downhole tool drilling fluid hydraulic pressure output is unstable；（2）On
Lower spring group can reduce infringement of the axial vibration to instrument with sealing ring；（3）It is used cooperatively with other instruments, can is more effectively
The exploration and development of oil gas provides facility.
Brief description of the drawings
Fig. 1 is the structural representation of the stable Novel down-hole instrument of the controllable drilling fluid hydraulic pressure output of the utility model.
In figure：1. upper outer shell, 2. unidirectional runners, 3. stream valve body axles, 4. valve balls, 5. unidirectional stream valves, 6. flanges, 7. centers
Inner chamber, groups of springs on 8., 9. cellular flow passages, 10. single hole runners, inner housing on 11., 12. sealing rings, 13. center tubing strings, 14.
Lower inner housing, 15. lower spring groups, 16. jet nozzles, 17. lower shell bodies.
Fig. 2 is A-A profiles in the utility model Fig. 1.
Fig. 3 is B-B profiles in the utility model Fig. 1.
Embodiment
With reference to the accompanying drawings shown in 1, the stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output, by upper outer shell（1）, it is single
To runner（2）, stream valve body axle（3）, valve ball（4）, unidirectionally flow valve（5）, flange（6）, central lumen（7）, upper groups of springs（8）, it is more
Hole runner（9）, single hole runner（10）, upper inner housing（11）, sealing ring（12）, center tubing string（13）, lower inner housing（14）, lower bullet
Spring group（15）, jet nozzle（16）, lower shell body（17）Composition, it is characterised in that：Upper outer shell（1）With lower shell body（17）Pass through
Screw thread is connected；Flange（6）It is inserted in upper outer shell（1）It is interior and withstand upper outer shell（1）The interior shaft shoulder carries out axially position, flange（6）
It is provided with through hole runner；Upper inner housing（11）Embedded flange（6）It is interior, upper inner housing（11）Upper end and upper outer shell（1）Between formed it is empty
Chamber runner, unidirectionally flows valve（5）Inner housing in loading（11）It is interior, unidirectionally flow valve（5）Inner chamber centered on centre（7）, valve ball（4）Installation
In unidirectionally stream valve（5）It is interior, flow valve body axle（3）With center tubing string（13）Between upper groups of springs is housed（8）, flow valve body axle（3）On be provided with
Unidirectional runner（2）, upper inner housing（11）It is provided with single hole runner（10）, center tubing string（13）It is provided with cellular flow passages（9）, unidirectionally flow valve
（5）, stream valve body axle（3）, valve ball（4）, upper groups of springs（8）With center tubing string（13）For the upper axis body of the instrument；Lower inner housing
（14）With upper outer shell（1）Between lower spring group is housed（15）, lower inner housing（14）Upper end and center tubing string（13）Between leave it is reserved
Stroke space, lower inner housing（14）Lower part is equipped with jet nozzle（16）, lower inner housing（14）Lower end withstands on lower shell body（17）On
Axially position, lower inner housing are carried out on portion's shaft shoulder（14）, lower spring group（15）And jet nozzle（16）For the lower axis body of the instrument.
During work, drilling fluid is from upper outer shell（1）Interior inflow, now above axis body is adjusted the distance farthest with lower axle body phase, single hole
Runner（10）In cellular flow passages（9）Lower section and do not connect, lower inner housing（14）Upper end and center tubing string（13）Between it is pre-
Stay stroke space maximum, drilling fluid is through unidirectional runner（2）Into unidirectional stream valve（5）It is interior, by central lumen（7）Import jet nozzle
（16）, finally flowed out from lower axis body, this is motion process one；It is continuously increased with the drilling fluid hydraulic pressure of motion process one, hydraulic pressure
Axis body is driven to move downward, upper groups of springs（8）It is pressurized and shrinks, the single hole runner when hydraulic pressure increases to the maximum of regulation and control（10）
And cellular flow passages（9）In same horizontal line and connect, drilling fluid is now by flange（6）The upper inner housing of through hole runner flow direction
（11）With upper outer shell（1）Between cavity runner again through single hole runner（10）And cellular flow passages（9）Flow into lower axis body so that upper axis body
Interior drilling fluid hydraulic pressure is gradually reduced after reaching maximum control value.This is motion process two；As drilling fluid is constantly by single hole stream
Road（10）And cellular flow passages（9）Flow into lower axis body, the hydraulic pressure in upper axis body is by less than the hydraulic pressure of cavity outside upper axis body, upper spring
Group（8）Gradually reply, upper axis body moves upwards relative to lower axis body, cellular flow passages（9）Relative to single hole runner（10）Up transport
Dynamic, when drilling fluid hydraulic pressure reaches regulation and control minimum, the relative position of upper axis body and lower axis body returns to motion process one, and this is fortune
Dynamic process three；When the fluctuation of drilling fluid hydraulic pressure is excessive, upper axis body and lower axle know from experience contact-impact, now lower spring group（15）Play
Move the effect of buffering.
Claims (3)
1. the stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output, by upper outer shell（1）, unidirectional runner（2）, stream valve body
Axle（3）, valve ball（4）, unidirectionally flow valve（5）, flange（6）, central lumen（7）, upper groups of springs（8）, cellular flow passages（9）, single hole stream
Road（10）, upper inner housing（11）, sealing ring（12）, center tubing string（13）, lower inner housing（14）, lower spring group（15）, jet nozzle
（16）, lower shell body（17）Composition, it is characterised in that：Upper outer shell（1）With lower shell body（17）It is connected by screw thread；Flange
（6）It is inserted in upper outer shell（1）It is interior and withstand upper outer shell（1）The interior shaft shoulder carries out axially position, flange（6）It is provided with through hole runner；
Upper inner housing（11）Embedded flange（6）It is interior, upper inner housing（11）Upper end and upper outer shell（1）Between form cavity runner, unidirectional stream
Valve（5）Inner housing in loading（11）It is interior, unidirectionally flow valve（5）Inner chamber centered on centre（7）, valve ball（4）Installed in unidirectional stream valve（5）
It is interior, flow valve body axle（3）With center tubing string（13）Between upper groups of springs is housed（8）, flow valve body axle（3）On be provided with unidirectional runner（2）, on
Inner housing（11）It is provided with single hole runner（10）, center tubing string（13）It is provided with cellular flow passages（9）, unidirectionally flow valve（5）, stream valve body axle
（3）, valve ball（4）, upper groups of springs（8）With center tubing string（13）For the upper axis body of the instrument；Lower inner housing（14）With upper outer shell
（1）Between lower spring group is housed（15）, lower inner housing（14）Upper end and center tubing string（13）Between leave reserved stroke space, lower inner casing
Body（14）Lower part is equipped with jet nozzle（16）, lower inner housing（14）Lower end withstands on lower shell body（17）Carried out axially on the shaft shoulder of top
Positioning, lower inner housing（14）, lower spring group（15）And jet nozzle（16）For the lower axis body of the instrument.
2. the stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output according to claim 1, it is characterised in that：Institute
The cellular flow passages stated（9）For circumferentially-spaced 60 ° of 6 ducts, upper groups of springs（8）With lower spring group（15）By 6 dishes concatenated
Spring forms.
3. the stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output according to claim 1, it is characterised in that：Institute
The lower inner housing stated（14）Upper end and center tubing string（13）Between the reserved stroke space axial length that leaves be more than cellular flow passages（9）
With single hole runner（10）Axial length summation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338139.6U CN206636522U (en) | 2017-04-01 | 2017-04-01 | The stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338139.6U CN206636522U (en) | 2017-04-01 | 2017-04-01 | The stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636522U true CN206636522U (en) | 2017-11-14 |
Family
ID=60259925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720338139.6U Expired - Fee Related CN206636522U (en) | 2017-04-01 | 2017-04-01 | The stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206636522U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108149652A (en) * | 2018-01-25 | 2018-06-12 | 浙江水利水电学院 | Power station diversion pressure steel tube periphery hydraulic pressure Force control system and application method |
| CN116411804A (en) * | 2023-04-28 | 2023-07-11 | 中铁十六局集团有限公司 | Rotary spraying drilling equipment |
-
2017
- 2017-04-01 CN CN201720338139.6U patent/CN206636522U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108149652A (en) * | 2018-01-25 | 2018-06-12 | 浙江水利水电学院 | Power station diversion pressure steel tube periphery hydraulic pressure Force control system and application method |
| CN108149652B (en) * | 2018-01-25 | 2019-09-17 | 浙江水利水电学院 | Power station diversion pressure steel tube periphery hydraulic pressure Force control system and application method |
| CN116411804A (en) * | 2023-04-28 | 2023-07-11 | 中铁十六局集团有限公司 | Rotary spraying drilling equipment |
| CN116411804B (en) * | 2023-04-28 | 2023-10-24 | 中铁十六局集团有限公司 | Rotary spraying drilling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20180401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |