CN207144825U - A kind of hydroscillator of runner power - Google Patents
A kind of hydroscillator of runner power Download PDFInfo
- Publication number
- CN207144825U CN207144825U CN201721158764.9U CN201721158764U CN207144825U CN 207144825 U CN207144825 U CN 207144825U CN 201721158764 U CN201721158764 U CN 201721158764U CN 207144825 U CN207144825 U CN 207144825U
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- CN
- China
- Prior art keywords
- runner
- hydroscillator
- upper shell
- lower contact
- splined shaft
- 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.)
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Abstract
It the utility model is related to a kind of hydroscillator of runner power；Belong to oil-gas mining drilling tool technical field.It is made up of splined shaft, upper shell, lower house, transition joint and lower contact, is provided with splined shaft by adapter sleeve in upper shell, one end of upper shell is provided with lower house by transition joint screw thread, and the ends screw of lower house is provided with lower contact；Runner is provided with by upper alignment bearing in lower house between lower contact and transition joint, the lower house of runner side is interior to be provided with rotary valve by lower alignment bearing；Rotary valve is threadedly coupled with runner.The hydroscillator has the characteristics of simple and compact for structure, movable part is few, and cost is cheap.With the rotation of runner in the course of work, enable area of passage periodically-varied, thus intermittent pressure pulse is produced, so as to drive vibration pipe nipple to produce periodicity axial vibration, thus the static friction of drill string and the borehole wall will be changed into dynamic friction, frictional resistance can be effectively reduced, improves drilling efficiency, reduces drilling cost.
Description
Technical field
It the utility model is related to a kind of hydroscillator of runner power；Belong to oil-gas mining drilling tool technical field.
Background technology
In the complex structural wells such as horizontal well, high angle hole and horizontal branch well, with the increase for entering well depth, drill string with
Frictional force between the borehole wall gradually increases, and the pressure of the drill can not effectively be transferred to drill bit, cause rate of penetration to decline, and drill string with
When wall friction power is sufficiently large, easily triggers drill string torsional deformation and induce accident in well.In the drilling process of such well, bore
Tool increased in the larger well section of hole curvature, or in long horizontal sections, the borehole wall by drill string pressure, the frictional force between drill string and the borehole wall with
Increase, drill string backing pressure phenomenon is serious, can not effectively apply the pressure of the drill, have a strong impact on rate of penetration.Hydroscillator can make brill
Post produces the periodic vibration of certain frequency and amplitude, the static friction of drill string and the borehole wall in drilling process is become dynamic friction,
Frictional resistance is reduced, can effectively mitigate backing pressure phenomenon.Reduce the frictional resistance during being sent into, improve rate of penetration, increasing
Add horizontal drilling depth and had a clear superiority in terms of shortening the drilling cycle.But because the structure of existing hydroscillator limits,
Rotating speed and the ratio between vibration frequency are non-adjustable, can not produce high-frequency vibration to meet the requirement of drilling well, and power section uses more
Turbine or screw rod, complicated, cost is higher.
The content of the invention
The purpose of this utility model is：There is provided it is a kind of static friction in drilling process can be changed into dynamic friction, can produce
High frequency axial impact；Effectively to reduce frictional resistance, the hydroscillator of the runner power of rate of penetration is improved.
The technical solution of the utility model is：
A kind of hydroscillator of runner power；It is by splined shaft, upper shell, lower house, transition joint and lower contact structure
Into, it is characterised in that：Splined shaft is provided with by adapter sleeve in upper shell, one end of upper shell is installed by transition joint screw thread
There is lower house, the ends screw of lower house is provided with lower contact；By above helping in lower house between lower contact and transition joint
Positive bearing is provided with runner, and the lower house of runner side is interior to be provided with rotary valve by lower alignment bearing；Rotary valve connects with runner screw thread
Connect.
Feather key is evenly equipped with described splined shaft circumference, adapter sleeve inwall corresponding with feather key is provided with keyway, splined shaft
It is slidably connected between adapter sleeve by the cooperation of feather key and keyway.
Be respectively arranged with spacing shoulder in described upper enclosure inner wall and the splined shaft circumference of feather key one end, spacing shoulder it
Between splined shaft on disc spring is housed.
Described upper shell is threadedly coupled with adapter sleeve.
Splined shaft ends screw in described upper shell is provided with ballpoint dropping prevention, ballpoint dropping prevention and the boss in upper enclosure inner wall
Contact connection.
It is provided with lower contact centre bore in described lower contact, is provided with the lower contact on the outside of lower contact centre bore multiple
Intercommunicating pore, intercommunicating pore connect with lower contact centre bore.
Described runner is cross structure, is provided with liquid flow hole on runner, is evenly equipped with the runner on the outside of liquid flow hole a plurality of
Helical flow path, helical flow path are connected with liquid flow hole, and sealing ring is provided with the runner of helical flow path side.
Screw thread is provided with locating piece on described runner, and ball bearing is provided between locating piece and transition joint.
Described rotary valve is discoid, and rotary valve is provided with runner hole corresponding with intercommunicating pore.
The beneficial effects of the utility model are：
The hydraulic oscillation of the runner power has the characteristics of simple and compact for structure, movable part is few, and cost is cheap.The course of work
In with the rotation of runner, enable area of passage periodically-varied, thus produce intermittent pressure pulse, so as to drive vibration short
Section produces periodicity axial vibration, thus the static friction of drill string and the borehole wall will be changed into dynamic friction, can effectively reduce frictional resistance, improves
Drilling efficiency, reduce drilling cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is mplifying structure schematic diagram at the A in Fig. 1；
Fig. 3 is the cross section structure schematic diagram of runner of the present utility model；
Fig. 4 is the cross section structure schematic diagram of rotary valve of the present utility model.
In figure：1st, splined shaft, 2, upper shell, 3, lower house, 4, transition joint, 5, lower contact, 6, adapter sleeve, 7, disc spring,
8th, ballpoint dropping prevention, 9, upper alignment bearing, 10, runner, 11, liquid flow hole, 12, helical flow path, 13, lower alignment bearing, 14, rotary valve, 15,
Lower contact centre bore, 16, intercommunicating pore, 17, runner hole, 18, locating piece, 19, ball bearing.
Embodiment
The hydroscillator of the runner power is by splined shaft 1, upper shell 2, lower house 3, transition joint 4 and the structure of lower contact 5
Into upper shell 2 is interior to be provided with splined shaft 1 by adapter sleeve 6, and upper shell 2 is threadedly coupled with adapter sleeve 6；On the circumference of splined shaft 1
Feather key is furnished with, the inwall of adapter sleeve 6 corresponding with feather key is provided with keyway, passes through feather key and keyway between splined shaft 1 and adapter sleeve 6
Cooperation be slidably connected.
Spacing shoulder is respectively arranged with the inwall of upper shell 2 and the circumference of the splined shaft of feather key one end 1, between spacing shoulder
Disc spring 7 is housed on splined shaft 1.The ends screw of splined shaft 1 in upper shell 2 is provided with ballpoint dropping prevention 8, ballpoint dropping prevention 8 with upper shell 2
Boss contact connection on wall, the purpose of ballpoint dropping prevention 8 is to prevent splined shaft 1 from skidding off.
One end of upper shell 1 is provided with lower house 3 by the screw thread of transition joint 4, and the ends screw of lower house 3 is provided with down
Joint 5；Lower contact centre bore 15 is provided with lower contact 5, multiple companies are provided with the lower contact 5 in the outside of lower contact centre bore 15
Through hole 16, intercommunicating pore 16 connect with lower contact centre bore 15.
Runner 10 is provided with by upper alignment bearing 9 in lower house 3 between lower contact 5 and transition joint 4, runner 10 is
Cross structure, liquid flow hole 11 is provided with runner 10, a plurality of helical flow path 12, spiral shell are evenly equipped with the runner 10 in the outside of liquid flow hole 11
Eddy flow road 12 is connected with liquid flow hole 11, and sealing ring is provided with the runner 10 of the side of helical flow path 12, to prevent from boring at work
Well liquid flows back.
Rotary valve 14 is provided with by lower alignment bearing 13 in the lower house 3 of the side of runner 10；Rotary valve 14 and the screw thread of runner 10
Connection.Rotary valve 14 is discoid, and rotary valve 14 is provided with runner hole 17 corresponding with intercommunicating pore 16.
The threaded one end of runner 10 is provided with locating piece 18, and ball bearing is provided between locating piece 18 and transition joint 4
19。
The hydroscillator of the runner power forms power sub by splined shaft 1, upper shell 2, adapter sleeve 6, disc spring 7, by
Lower house 3, lower contact 5, rotary valve 14 and runner 10 form vibration pipe nipple.During work, drilling fluid is entered by the centre bore of splined shaft 1
Runner 10, the lower end closed of liquid flow hole 11 of runner 10, drilling fluid enter runner 10 with by the helical flow path 12 on runner 10
Gap between housing 3, and form impact, so as to promote runner 10 to rotate, because the bottom of runner 10 is threadedly coupled with rotary valve 14,
Rotary valve 14 rotates with runner 10.Because rotary valve 14 forms sealing to the lower contact centre bore 15 of lower contact 5；Drilling fluid is forced by turning
The runner hole 17 of valve 14 enters the intercommunicating pore 16 of lower contact 5, with the rotation of runner 10, thus makes rotary valve 14 to the shape of intercommunicating pore 16
Opened and closed into periodic, so that area of passage periodically-varied, produces simple harmonic quantity pressure pulse, drive vibration pipe nipple to produce the cycle
Property axial vibration, at the same time, simple harmonic quantity pressure wave is delivered to butterfly spring 7, drives adapter sleeve 6 and upper shell 2 in axial generation
Simple harmonic oscillation；Thus the static friction of drill string and the borehole wall is changed into dynamic friction, can effectively reduces frictional resistance, improve drilling efficiency, reduced
Drilling cost.
The hydroscillator has the advantages of simple and compact, movable part is few, and cost is cheap.And by adjusting rotary valve 14
The quantity of intercommunicating pore 16 on runner hole 17 and lower contact 5；The ratio of rotating speed and vibration frequency can be adjusted, to adapt to different wells
Lower operating mode.
Claims (9)
- A kind of 1. hydroscillator of runner power；It is by splined shaft（1）, upper shell（2）, lower house（3）, transition joint（4） And lower contact（5）Form, it is characterised in that：Upper shell（2）Inside pass through adapter sleeve（6）Splined shaft is installed（1）, upper shell（2） One end pass through transition joint（4）Screw thread is provided with lower house（3）, lower house（3）Ends screw lower contact is installed（5）； Lower contact（5）With transition joint（4）Between lower house（3）It is interior to pass through upper alignment bearing（9）Runner is installed（10）, runner （10）The lower house of side（3）It is interior to pass through lower alignment bearing（13）Rotary valve is installed（14）；Rotary valve（14）With runner（10）Screw thread Connection.
- A kind of 2. hydroscillator of runner power according to claim 1；It is characterized in that：Described splined shaft（1） Feather key is evenly equipped with circumference, adapter sleeve corresponding with feather key（6）Inwall is provided with keyway, splined shaft（1）With adapter sleeve（6）Between It is slidably connected by the cooperation of feather key and keyway.
- A kind of 3. hydroscillator of runner power according to claim 1；It is characterized in that：Described upper shell（2） Inwall and the splined shaft of feather key one end（1）It is respectively arranged with spacing shoulder on circumference, is equipped with the splined shaft between spacing shoulder Disc spring（7）.
- A kind of 4. hydroscillator of runner power according to claim 1；It is characterized in that：Described upper shell（2） With adapter sleeve（6）Threaded connection.
- A kind of 5. hydroscillator of runner power according to claim 1；It is characterized in that：Described upper shell（2） Interior splined shaft（1）Ends screw is provided with ballpoint dropping prevention（8）, ballpoint dropping prevention（8）With upper shell（2）Boss contact on inwall connects Connect.
- A kind of 6. hydroscillator of runner power according to claim 1；It is characterized in that：Described lower contact（5） On be provided with lower contact centre bore（15）, lower contact centre bore（15）The lower contact in outside（5）On be provided with multiple intercommunicating pores （16）, intercommunicating pore（16）With lower contact centre bore（15）Connection.
- A kind of 7. hydroscillator of runner power according to claim 1；It is characterized in that：Described runner（10）For Cross structure, runner（10）On be provided with liquid flow hole（11）, liquid flow hole（11）The runner in outside（10）On be evenly equipped with a plurality of spiral Runner（12）, helical flow path（12）With liquid flow hole（11）Connection, helical flow path（12）The runner of side（10）On be provided with sealing Circle.
- A kind of 8. hydroscillator of runner power according to claim 7；It is characterized in that：Described runner（10）On Screw thread is provided with locating piece（18）, locating piece（18）With transition joint（4）Between be provided with ball bearing（19）.
- A kind of 9. hydroscillator of runner power according to claim 1；It is characterized in that：Described rotary valve（14）For It is discoid, rotary valve（14）It is provided with and intercommunicating pore（16）Corresponding runner hole（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158764.9U CN207144825U (en) | 2017-09-11 | 2017-09-11 | A kind of hydroscillator of runner power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158764.9U CN207144825U (en) | 2017-09-11 | 2017-09-11 | A kind of hydroscillator of runner power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207144825U true CN207144825U (en) | 2018-03-27 |
Family
ID=61678526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721158764.9U Expired - Fee Related CN207144825U (en) | 2017-09-11 | 2017-09-11 | A kind of hydroscillator of runner power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207144825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435520A (en) * | 2017-09-11 | 2017-12-05 | 长江大学 | A kind of hydroscillator of runner power |
-
2017
- 2017-09-11 CN CN201721158764.9U patent/CN207144825U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435520A (en) * | 2017-09-11 | 2017-12-05 | 长江大学 | A kind of hydroscillator of runner power |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20200911 |