CN205089219U - Found novel hydroscillator of valve structure - Google Patents
Found novel hydroscillator of valve structure Download PDFInfo
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- CN205089219U CN205089219U CN201520901755.9U CN201520901755U CN205089219U CN 205089219 U CN205089219 U CN 205089219U CN 201520901755 U CN201520901755 U CN 201520901755U CN 205089219 U CN205089219 U CN 205089219U
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- pipe nipple
- vibration
- power sub
- wheel shaft
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Abstract
The utility model relates to a found novel hydroscillator of valve structure belongs to oil, natural gas extraction drilling tool technical field. It comprises vibration nipple joint, power sub, and its characteristics are: the integral key shaft and adapter sleeve sliding connection of vibration nipple joint, the adapter sleeve is connected with vibration nipple joint shell, install disc spring in the space of integral key shaft and vibration nipple joint shell. The interior preparation of power sub shell has the interior lug of shell, corresponds with corresponding runner mouth on the turbine shaft, and the lug moves with runner mouth component and founds the valve surely in the shell, follows the turbine shaft and rotates, and flow surface amasss the periodically -varied, produces simple humorous pressure pulse drive vibration nipple joint and makes periodic axial vibration. Through the quantity of lug and the quantity of 312 runner mouths of turbine shaft in the adjustment shell, but regulation rotational speed and vibration frequency's proportion. Effective reduction rubs and hinders, improves well drilling efficiency, reduces the drilling cost, long service life, the problem of prior art rotational speed and axial vibration frequency proportion nontunable to and the pulse amplitude promotes limitedly is solved.
Description
Technical field
The utility model relates to a kind of novel hydropower oscillator of vertical valve arrangement, belongs to oil, natural gas extraction drilling tool technical field.
Background technology
In horizontal well and extended reach well, increase along with entering well depth, frictional force between drill string and the borehole wall increases gradually and causes the pressure of the drill to lose, also the raising of rate of penetration is unfavorable for, also can have a strong impact on target footpath and the hole quality of drilling well, this is also a key factor of restriction horizontal well technology development simultaneously.For directional well and horizontal well, high frictional resistance also can form crooked hole, thus the ability causing rig brill to reach depth capacity reduces, special in horizontal well drilling process, drilling tool is in the larger well section of hole curvature, or larger frictional resistance, backing pressure phenomenon can be produced at mistake long horizontal sections, effectively cannot apply the pressure of the drill.Hydroscillator can make drilling well post produce the periodic vibration of high-frequency, little amplitude, makes the static friction force in drilling process become kinetic frictional resistances.Large and the backing pressure phenomenon of effective solution frictional resistance.Hydroscillator has antifriction resistance, improves rate of penetration, and the feature in cycle is crept in the horizontal drilling depth of increase and shortening, has obtained at present applying more and more widely in oil field development.But existing hydroscillator has the following disadvantages: limit by structure, and drilling speed and vibration frequency are 1:2, cannot produce comparatively high oscillation frequency to meet drilling well requirement; Pulse amplitude promotes limited, cannot produce higher magnitude pulse.
Summary of the invention
The purpose of this utility model is, provide a kind of and adopt vertical valve, rotating speed is adjustable with vibration frequency ratio, effectively reduces frictional resistance, improves drilling efficiency, reduction drilling cost, the novel hydropower oscillator of the vertical valve arrangement of long service life; Solve prior art rotating speed and axial vibration frequency proportions non-adjustable, and pulse amplitude promotes limited problem.
The utility model realizes above-mentioned purpose by the following technical solutions
The novel hydropower oscillator of this vertical valve arrangement is made up of the pipe nipple that vibrates, power sub, it is characterized in that: vibration pipe nipple is connected with power sub by pipe nipple; Vibration pipe nipple is made up of splined shaft, adapter sleeve, seal, vibration pipe nipple shell, butterfly spring; Power sub is made up of projection, adjusting sleeve A, baffle head, current limliting cover, adjusting sleeve B, thrust bearing, turbine wheel shaft, lower contact in positioning sleeve, alignment bearing, turbine rotor, turbine stator, power sub shell, shell; Projection in shell is manufactured with in power sub shell.
Splined shaft and the adapter sleeve of described vibration pipe nipple are slidably connected, and are provided with seal between splined shaft and adapter sleeve; Adapter sleeve is connected with vibration pipe nipple shell by screw thread; In the annular space that splined shaft and vibration pipe nipple shell are formed, butterfly spring is installed.
In the annular space that described butterfly spring is arranged on splined shaft and the pipe nipple shell that vibrates is formed, simple harmonic quantity compression wave is delivered to butterfly spring, drives vibration pipe nipple shell axially producing simple harmonic oscillation.
The power sub shell of described power sub and pipe nipple are threaded connection; Positioning sleeve is connected with the left end of turbine wheel shaft by screw thread, location interplanting axial location; Turbine wheel shaft is provided with turbine rotor and turbine stator; Turbine wheel shaft is provided with alignment bearing, thrust bearing; Baffle head, current limliting cover are installed on the left of thrust bearing; Lower contact and power sub shell are threaded connection, and lower contact is connected with drilling rod.
In described shell, projection has three pieces at least, is uniformly distributed forms dynamic surely vertical valve in 120 °, corresponding with respective streams road junction on turbine wheel shaft, sexually revises area of passage, produce simple harmonic quantity pressure pulse and drive vibration pipe nipple to do periodically axial vibration with turbine wheel shaft rotation period.
In described shell, projection coordinates with turbine wheel shaft, by the quantity of projection and the quantity of turbine wheel shaft runner mouth in adjustment shell, and the ratio of adjustable rotating speed and vibration frequency.
The utility model beneficial effect is compared with prior art
The novel hydropower oscillator of this vertical valve arrangement realizes rotating speed by the quantity of projection and turbine wheel shaft runner mouth in adjustment shell and vibration ratio is adjustable; Forming dynamic surely vertical valve by projection in equally distributed shell, without the need to adopting rubber element, large pressure pulse amplitude can be produced.In shell, projection is corresponding with respective streams road junction on turbine wheel shaft, sexually revises area of passage with turbine wheel shaft rotation period, produces simple harmonic quantity pressure pulse and drives vibration pipe nipple to do periodically axial vibration.Effective reduction frictional resistance, improves drilling efficiency, reduces drilling cost, long service life.Solve prior art rotating speed and axial vibration frequency proportions is non-adjustable, and pulse amplitude promotes limited problem.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure schematic diagram of novel hydropower oscillator of vertical valve arrangement;
Fig. 2 is a kind of structural representation of vibration pipe nipple of novel hydropower oscillator of vertical valve arrangement;
Fig. 3 is a kind of structural representation of power sub of novel hydropower oscillator of vertical valve arrangement.
In figure: 1, vibrate pipe nipple, 2, pipe nipple, 3, power sub;
101, splined shaft, 102, adapter sleeve, 103, seal, 104, vibration pipe nipple shell, 105, butterfly spring;
301, positioning sleeve, 302, alignment bearing, 303, turbine rotor, 304, turbine stator, 305, power sub shell, 306, projection in shell, 307, adjusting sleeve A, 308, baffle head, 309, current limliting cover, 310, adjusting sleeve B, 311, thrust bearing, 312, turbine wheel shaft, 313, lower contact.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
The novel hydropower oscillator of this vertical valve arrangement is made up of the pipe nipple 1 that vibrates, pipe nipple 2, power sub 3, it is characterized in that: vibration pipe nipple 1 is connected with power sub 3 by pipe nipple 2; Vibration pipe nipple 1 is made up of splined shaft 101, adapter sleeve 102, seal 103, vibration pipe nipple shell 104, butterfly spring 105; Power sub 3 overlaps 309 by projection 306 in positioning sleeve 301, alignment bearing 302, turbine rotor 303, turbine stator 304, power sub shell 305, shell, adjusting sleeve A307, baffle 308, current limliting, adjusting sleeve B310, thrust bearing 311, turbine wheel shaft 312, lower contact 313 form; Projection 306 in shell is manufactured with in power sub shell 305.
Splined shaft 101 and the adapter sleeve 102 of described vibration pipe nipple 1 are slidably connected, and are provided with seal 103 between splined shaft 101 and adapter sleeve 102; Spline 101 is for transmitting torque.Adapter sleeve 102 is connected with vibration pipe nipple shell 104 by screw thread; In the annular space that splined shaft 101 and vibration pipe nipple shell 104 are formed, butterfly spring 105 is installed.
Simple harmonic oscillation compression wave is delivered to butterfly spring 105, drives vibration pipe nipple shell 104 axially producing simple harmonic oscillation.
Power sub shell 305 and the pipe nipple 2 of described power sub 3 are threaded connection; Positioning sleeve 301 is connected by the left end of screw thread with turbine wheel shaft 312, and positioning sleeve 301 makes axial location; Turbine wheel shaft 312 is provided with turbine rotor 303 and turbine stator 304; Drilling fluid drives turbine to drive turbine wheel shaft 312 to rotate.Turbine wheel shaft 312 is provided with alignment bearing 302, thrust bearing 311; Baffle 308, current limliting cover 309 are installed on the left of thrust bearing 311; Baffle 308 and current limliting overlaps 309 and are formed current-limiting apparatus, allow a small amount of fluid inflow thrust bearing 311, can play lubrication.Lower contact 313 and power sub shell 305 are threaded connection, and lower contact 313 is connected with drilling rod.
In described shell, projection 306 has three pieces at least, be uniformly distributed in 120 ° and form dynamic surely vertical valve, corresponding with respective streams road junction on turbine wheel shaft 312, sexually revise area of passage with turbine wheel shaft 312 rotation period, produce simple harmonic quantity pressure pulse and drive vibration pipe nipple 1 to do periodically axial vibration.In drilling process, drilling fluid drives turbine to drive turbine wheel shaft 312 to rotate, projection 306 surely vertical valve dynamic with the runner interruption-forming on turbine wheel shaft 312 in the shell made in power sub shell 305, along with the rotation of turbine wheel shaft 312, make area of passage periodically-varied, produce simple harmonic quantity pressure pulse, vibration pipe nipple 1 is passed in periodic pressure pulse, under the effect of butterfly spring 105, vibration pipe nipple shell 104 is made to produce periodic axial vibration, thus make the static friction between drill string become dynamic friction, effectively reduce frictional resistance.
In described shell, projection 306 coordinates with turbine wheel shaft 312, by the quantity of projection 306 and the quantity of turbine wheel shaft 312 runner mouth in adjustment shell, and the ratio of adjustable rotating speed and vibration frequency.(see Fig. 1 ~ 3).
In shell in the power sub shell 305 of the novel hydropower oscillator of this vertical valve arrangement, projection 306 is uniformly distributed in 120 °, is at least manufactured with three pieces.In shell, projection 306 is corresponding to the corresponding runner hole on turbine wheel shaft 312.By projection in shell 306 form dynamic determine valve be simple metal structure, without radial vibration, without the need to rubber element, effectively improve projection 306 in shell and move the application life of determining valve.
Rotating speed and vibration frequency ratio adjustable: by regulating the quantity of projection 306 and runner mouth in shell can the ratio of adjusting rotary speed and vibration frequency, change the present situation that existing hydraulic vibrator rotating speed and vibration ratio can only be confined to 1:2, greatly improve bit speed, effective reduction frictional resistance, extends application life.
The specific works process of the novel hydropower oscillator of this vertical valve arrangement is as follows:
The drilling fluid being squeezed into down-hole by slush pump drives turbine rotor 303 to rotate, turbine rotor 303 drives turbine wheel shaft 312 to rotate, along with the rotation of turbine wheel shaft 312, under the effect of projection 306 in the enclosure, the area of passage generating period of runner mouth sexually revises, produce water hammer, thus form periodic pressure pulse.Vibration pipe nipple 1 is passed in periodic pressure pulse, under the effect of butterfly spring 105, makes vibration pipe nipple shell 104 produce periodic axial vibration, thus makes the static friction between drill string become dynamic friction, effectively reduce frictional resistance.
The above is preferred embodiment of the present utility model, above-mentioned illustrating does not do any pro forma restriction to flesh and blood of the present utility model, any simple modification that person of an ordinary skill in the technical field has done above detailed description of the invention according to technical spirit of the present utility model after having read this manual or distortion, and the technology contents of above-mentioned announcement may be utilized to be changed or be modified to the Equivalent embodiments of equivalent variations, all still belong in the scope of technical solutions of the utility model, and do not deviate from essence of the present utility model and scope.
Claims (6)
1. a novel hydropower oscillator for vertical valve arrangement, it is made up of the pipe nipple that vibrates (1), pipe nipple (2), power sub (3), it is characterized in that: vibration pipe nipple (1) is connected with power sub (3) by pipe nipple (2); Vibration pipe nipple (1) is made up of splined shaft (101), adapter sleeve (102), seal (103), vibration pipe nipple shell (104), butterfly spring (105); Power sub (3) is by projection (306), adjusting sleeve A(307 in positioning sleeve (301), alignment bearing (302), turbine rotor (303), turbine stator (304), power sub shell (305), shell), baffle head (308), current limliting cover (309), adjusting sleeve B(310), thrust bearing (311), turbine wheel shaft (312), lower contact (313) form; Projection in shell (306) is manufactured with in power sub shell (305).
2. the novel hydropower oscillator of a kind of vertical valve arrangement according to claim 1, it is characterized in that: splined shaft (101) and the adapter sleeve (102) of described vibration pipe nipple (1) are slidably connected, and are provided with seal (103) between splined shaft (101) and adapter sleeve (102); Adapter sleeve (102) is connected with vibration pipe nipple shell (104) by screw thread; In the annular space that splined shaft (101) and vibration pipe nipple shell (104) are formed, butterfly spring (105) is installed.
3. the novel hydropower oscillator of a kind of vertical valve arrangement according to claim 1, is characterized in that: described butterfly spring (105), drives vibration pipe nipple shell (104) axially doing simple harmonic oscillation.
4. the novel hydropower oscillator of a kind of vertical valve arrangement according to claim 1, is characterized in that: power sub shell (305) and the pipe nipple (2) of described power sub (3) are threaded connection; Positioning sleeve (301) is connected by the left end of screw thread with turbine wheel shaft (312), and positioning sleeve (301) makes axial location; Turbine wheel shaft (312) is provided with turbine rotor (303) and turbine stator (304); Turbine wheel shaft (312) is provided with alignment bearing (302), thrust bearing (311); Thrust bearing (311) left side is provided with baffle head (308), current limliting cover (309); Lower contact (313) and power sub shell (305) are threaded connection, and lower contact (313) is connected with drilling rod.
5. the novel hydropower oscillator of a kind of vertical valve arrangement according to claim 1, it is characterized in that: in described shell, projection (306) has three pieces at least, be uniformly distributed in 120 ° and form dynamic surely vertical valve, corresponding with the upper respective streams road junction of turbine wheel shaft (312), sexually revise area of passage with turbine wheel shaft (312) rotation period, produce simple harmonic quantity pressure pulse and drive vibration pipe nipple (1) to do periodically axial vibration.
6. the novel hydropower oscillator of a kind of vertical valve arrangement according to claim 1, it is characterized in that: in described shell, projection (306) coordinates with turbine wheel shaft (312), by the quantity of projection (306) and the quantity of turbine wheel shaft (312) runner mouth in adjustment shell, the ratio of adjustable rotating speed and vibration frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901755.9U CN205089219U (en) | 2015-11-13 | 2015-11-13 | Found novel hydroscillator of valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901755.9U CN205089219U (en) | 2015-11-13 | 2015-11-13 | Found novel hydroscillator of valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089219U true CN205089219U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520901755.9U Expired - Fee Related CN205089219U (en) | 2015-11-13 | 2015-11-13 | Found novel hydroscillator of valve structure |
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| Country | Link |
|---|---|
| CN (1) | CN205089219U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275400A (en) * | 2015-11-13 | 2016-01-27 | 长江大学 | Novel hydraulic oscillator of vertical valve structure |
| CN107882509A (en) * | 2017-12-19 | 2018-04-06 | 中南大学 | Bottom pressure pulse friction reducer |
| CN112360415A (en) * | 2020-11-10 | 2021-02-12 | 中国科学院武汉岩土力学研究所 | Rotation type pressure pulse converter and hydraulic fracturing priming device |
| CN114809922A (en) * | 2021-01-28 | 2022-07-29 | 中国石油化工股份有限公司 | Frequency-adjustable jet impact type oscillator |
-
2015
- 2015-11-13 CN CN201520901755.9U patent/CN205089219U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275400A (en) * | 2015-11-13 | 2016-01-27 | 长江大学 | Novel hydraulic oscillator of vertical valve structure |
| CN107882509A (en) * | 2017-12-19 | 2018-04-06 | 中南大学 | Bottom pressure pulse friction reducer |
| CN112360415A (en) * | 2020-11-10 | 2021-02-12 | 中国科学院武汉岩土力学研究所 | Rotation type pressure pulse converter and hydraulic fracturing priming device |
| CN112360415B (en) * | 2020-11-10 | 2021-11-19 | 中国科学院武汉岩土力学研究所 | Rotation type pressure pulse converter and hydraulic fracturing priming device |
| CN114809922A (en) * | 2021-01-28 | 2022-07-29 | 中国石油化工股份有限公司 | Frequency-adjustable jet impact type oscillator |
| CN114809922B (en) * | 2021-01-28 | 2024-07-12 | 中国石油化工股份有限公司 | Jet impact type oscillator with adjustable frequency |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20171113 |