CN206503576U - Vortex generator - Google Patents

Vortex generator Download PDF

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Publication number
CN206503576U
CN206503576U CN201621413245.8U CN201621413245U CN206503576U CN 206503576 U CN206503576 U CN 206503576U CN 201621413245 U CN201621413245 U CN 201621413245U CN 206503576 U CN206503576 U CN 206503576U
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CN
China
Prior art keywords
hole
turbine
drilling rod
flowing
convex platform
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.)
Withdrawn - After Issue
Application number
CN201621413245.8U
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Chinese (zh)
Inventor
张逸群
刘亚
袁鹏斌
余荣华
刘甘露
陈安明
文平
郑卫良
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Yangzhou Daze Petroleum Engineering Technology Co Ltd
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Yangzhou Daze Petroleum Engineering Technology Co Ltd
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Priority to CN201621413245.8U priority Critical patent/CN206503576U/en
Application granted granted Critical
Publication of CN206503576U publication Critical patent/CN206503576U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Vortex generator, belongs to drilling technology field.Top connection includes drilling rod box, upper cylinder, convex platform, and upper cylindrical outer surface is uniformly provided with spiral bar, and convex platform end face axial is provided with some upper flowing holes, and upper flowing hole is connected with drilling rod box endoporus;Joint includes lower convex platform, lower cylinder, drilling rod pin thread, and lower cylindrical outer surface is uniformly provided with some lower spiral bars, and lower convex platform end face axial is provided with some lower flowing holes, and the flowing hole is connected with drilling rod pin thread endoporus;Upper and lower joint is connected by central shaft, and turbine is placed on central shaft, and turbine two-port is respectively sleeved on upper and lower boss, and turbine outer surface is uniformly provided with some righting strips;Turbine end face is axially arranged with some through holes, and the through hole upper and lower end is communicated with upper and lower flowing hole respectively.Fluid flows through turbine through hole through upper flowing hole, and impulse turbine rotates righting strip, so that scraping landwaste, then flows out from lower flowing hole.

Description

Vortex generator
Technical field
The utility model is related to a kind of vortex generator, for destroying cutting bed, belongs to drilling technology field.
Background technology
In straight well drilling well, drilling cuttings is parallel with the direction that drilling fluid flows on the contrary, drilling fluid can in the direction that annular space sinks So that landwaste is effectively taken to ground.But in High angle well section or net horizontal section drilling well, drilling cuttings hangs down under gravity It is straight sink, the direction of the direction of sinking and drilling fluid flowing has certain angle even vertical, and drilling fluid can not effective handle Landwaste takes ground to, and the landwaste of deposition forms a bed course in shaft bottom(Also known as cutting bed), its produce frictional force hinder brill Effective transmission of pressure, the pressure of the drill can add when serious, greatly reduces rate of penetration, or even causes lock of tool drilling, and has influence on Cementing quality.Therefore, how to remove shaft bottom cutting bed and become drilling engineering technical staff and endeavour one of problem for capturing.
At present, the cutting bed destructor of onsite application mainly has the subsidiary axial pulse destruction cutting bed of auxiliary pressurized device, people Word groove cutting bed destructor, lotus petal type cutting bed destructor.The first cutting bed destructor advantage is that itself frictional resistance is small, work Frequency is high, and auxiliary pressurized and Cutting Disposal are taken into account, and weak point is outer surface smooth when being axially moved to Cutting Disposal DeGrain, must pressurize to drill bit again when central shaft reaches range;Second and the third in drill string rotating There is more significant effect to Cutting Disposal, but when slipping drilling, because cutting bed destructor is longer, for control The need for wellbore quality processed, often cutting bed destructor is connected on above power drilling tool, drilling tool during drilling more than power drilling tool Do not rotate, thus above-mentioned cutting bed destructor is also not rotate, and thus loses the effect of destruction cutting bed, and Produce effective transmission that extra frictional resistance hinders the pressure of the drill.And passed through when beating lower curved section frequently with slipping drilling, thirst for very much having A kind of good cutting bed destructor, but up to the present, above mentioned problem is not solved preferably yet.
Utility model content
The purpose of this utility model is to be directed to above-mentioned the deficiencies in the prior art, is analyzing underground working and various underground works There is provided a kind of DVG on the basis of tool, for destroying cutting bed.
The purpose of this utility model is achieved through the following technical solutions:Vortex generator, it is characterized in that, including above connect Head, lower contact and turbine, the top connection include drilling rod box, the upper cylinder at middle part, the convex platform of bottom, institute on top State drilling rod box to be connected with drilling rod, and communicate therewith;The upper cylindrical outer surface is uniformly provided with some left-handed or dextrorotation upper Spiral bar;The convex platform end face axial is provided with some upper flowing holes, and upper flowing hole upper end upwardly extends and passes through cylinder, Connected with drilling rod box endoporus;
The lower contact includes the lower convex platform and mandrel, the lower cylinder at middle part, the drilling rod pin thread of bottom, the brill on top Bar pin thread is connected with drilling rod, and is communicated therewith;The lower cylindrical outer surface is uniformly provided with some lower spiral bars, lower spiral bar with Upper spiral bar is oppositely oriented;Lower convex platform external diameter is identical with convex platform external diameter, and lower convex platform end face axial is provided with some lower flowing holes, should The lower end of flowing hole extends downward and through lower cylinder, is connected with drilling rod pin thread endoporus;
The top connection, lower contact are connected by mandrel, and the turbine center is provided with through hole, and is placed on mandrel by through hole On;The turbine two-port is respectively sleeved on upper and lower boss, and turbine outer surface is uniformly provided with some righting strips;The turbine end Face is axially arranged with some through holes, and the through hole upper and lower end is communicated with upper and lower flowing hole respectively, and fluid flows through turbine through upper flowing hole Through hole, impulse turbine rotates righting strip, so that scraping landwaste, then flows out from lower flowing hole.
The righting strip is vertical righting strip.
Placement T-shaped telescopic block in T-shaped hole, hole is provided with the middle part of the righting strip, T-shaped hole coordinates with the flexible block gap of T-shaped.
The T-shaped hole is made up of axial hole, radial hole, and the T-shaped telescopic block is by axial limiting block, radial direction scraping block structure Into axial limiting block is placed in axial hole, and radial direction scraping block is placed in radial hole, and the depth of axial hole is more than axial limiting block Thickness;
When righting strip is in below turbine, corresponding T-shaped telescopic block stretches out T-shaped hole under centrifugal force and Action of Gravity Field Outside, i.e. the landwaste in radial direction scraping block scraping shaft bottom, when righting strip is in above turbine, corresponding T-shaped telescopic block is then retracted T-shaped In hole.
Dynamic fitted seal is respectively adopted between the turbine two ends and upper and lower boss.
The lower convex platform end face center is provided with screwed hole, for being connected with mandrel.
The upper and lower boss external diameter is respectively smaller than the external diameter of upper and lower cylinder.
The turbine two ends are connected by upper bearing (metal), lower bearing with upper and lower boss respectively.
The upper flowing hole is oblique straight hole, and the lower flowing hole is straight hole.
During slipping drilling, the upper flowing hole that drilling fluid passes through top connection(Oblique straight hole), impulse turbine blade, drive Turbine rotates, close to the T-slot in shaft bottom below turbine(Hole)Interior(T-shaped)Telescopic block is just stretched in the presence of centrifugal force and deadweight Out, the landwaste in scraping shaft bottom, and the telescopic block above the turbine is then retracted T-slot(Hole)It is interior, it is to avoid because of the contact borehole wall Produce frictional force.
If rotary drilling, the spiral bar of upper and lower joint and the spiral bar of turbine(Righting strip)Will be from shaft bottom scraping rock Bits, at the same on the liquid that returns enter the helicla flute of lower contact(The gap descended between spiral bar), the helicla flute through turbine(Help Gap between positive bar)Afterwards again from the helicla flute of top connection opposite direction(Gap between i.e. upper spiral bar)Outflow, so that in whirlpool Vortex is formed in the middle of flow-generator, the destruction of cutting bed is exacerbated.
Because vortex generator is shorter(It is simple in construction, do not take up space), it is little on measurement direction of deflection influence, therefore it can connect Below power drilling tool, to obtain more preferable Cutting Disposal effect.Again due to pressure damage when drilling fluid flows through vortex generator Consumption is little, so can be accessed in drill string medial section, effect is more preferable.
In summary, either rotary drilling or slipping drilling, vortex generator can preferable Cutting Disposals.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is righting strip and the structural representation of T-shaped hole in the utility model;
Fig. 3 is the structural representation of T-shaped telescopic block in the utility model;
In figure:1 top connection, 2 lower contacts, 3 turbines, 4 drilling rod boxes, cylinder on 5,6 convex platforms, spiral bar on 7, on 8 Flowing hole, 9 lower convex platforms, 10 times cylinders, 11 drilling rod pin threads, 12 times spiral bars, 13 times flowing holes, 14 mandrels, 15 righting strips, 16 Through hole, 17 T-shaped holes, 18 T-shaped telescopic blocks, 19 axial holes, 20 radial holes, 21 axial limiting blocks, 22 radial direction scraping blocks, axle on 23 Hold, 24 lower bearings.
Embodiment
As shown in figure 1, vortex generator is made up of three parts, top connection 1, lower contact 2 and turbine 3.Top connection it is upper Hold as drilling rod box 4, in the middle of it(Upper cylinder 5)There is some left-handed or dextrorotation upper spiral bar 7 outer surface, is external diameter below It is slightly less than the convex platform 6 of spiral bar root external diameter(I.e. convex platform external diameter is less than upper cylinder external diameter).
The centre of convex platform is a mandrel(Central shaft 14), the box of upper end is connected with drilling rod, if having below box Dry upper flowing hole 8(Oblique straight hole)Following step surface is led to, the fluid of process can be with impulse turbine blade(Righting strip 15).
The top of lower contact is lower convex platform 9, and the boss external diameter is identical with the external diameter of convex platform 6, if lower convex platform end face is provided with Dry lower flowing hole 13(Straight hole), connected with the through hole 16 of turbine on lower flowing hole, it is lower to be connected with the endoporus of drilling rod pin thread.Lower convex platform Centre be provided with screwed hole, for being connected with central shaft.
Lower cylinder 10 in the middle part of lower contact, its outer surface carries the lower spiral bar 12 oppositely oriented with top connection, most lower Portion is drilling rod pin thread, for being connected with drilling rod.
The center of turbine carries through hole, is enclosed on mandrel(Central shaft)On, there are some vertical righting strips 15, righting in outer surface The centre of bar, which is provided with T-shaped hole 17, hole, lays T-shaped telescopic block 18, and the hole at turbine two ends is respectively fitted over top connection lower end and connect with On the boss of head upper end, using dynamic fitted seal.
T-shaped hole is made up of axial hole 19, radial hole 20, and T-shaped telescopic block is by axial limiting block 21, the structure of radial direction scraping block 22 Into axial limiting block is placed in axial hole, and radial direction scraping block is placed in radial hole, and the depth of axial hole is more than axial limiting block Thickness.
Fluid flows through turbine through hole through upper flowing hole, and impulse turbine rotates righting strip, so that scraping landwaste, then from Lower flowing hole outflow(The current that oblique straight hole comes out can rotate for turbine provide an impulsive force, and current flow through turbine through hole, from straight Hole is flowed out, and straight hole can reduce resistance to water-flow).When righting strip is in below turbine, corresponding T-shaped telescopic block in centrifugal force and Under Action of Gravity Field, stretch out outside T-shaped hole, i.e. the landwaste in radial direction scraping block scraping shaft bottom, when righting strip is in above turbine, correspondence T-shaped telescopic block then in retraction T-shaped hole.
In the utility model, the cavity of drilling fluid circulation is left in the middle of upper and lower joint, therefore, the utility model is in not shadow Ring on the basis of drilling well work, using the combination of upper and lower spiral bar, righting strip and telescopic block, can preferably destroy landwaste Bed, using effect is more preferably.

Claims (9)

1. a kind of vortex generator, it is characterized in that, including top connection(1), lower contact(2)And turbine(3), the top connection bag Include the drilling rod box on top(4), middle part upper cylinder(5), bottom convex platform(6), the drilling rod box is connected with drilling rod, And communicate therewith;The upper cylindrical outer surface is uniformly provided with some left-handed or dextrorotation upper spiral bar(7);The convex you Face is axially arranged with some upper flowing holes(8), upper flowing hole upper end upwardly extends and passes through cylinder, connects with drilling rod box endoporus It is logical;
The lower contact includes the lower convex platform on top(9)And mandrel, the lower cylinder at middle part(10), bottom drilling rod pin thread (11), the drilling rod pin thread is connected with drilling rod, and is communicated therewith;The lower cylindrical outer surface is uniformly provided with some lower spiral bars (12), lower spiral bar and upper spiral bar are oppositely oriented;Lower convex platform external diameter is identical with convex platform external diameter, and lower convex platform end face axial is provided with Some lower flowing holes(13), the lower end of the flowing hole extends downward and through lower cylinder, connected with drilling rod pin thread endoporus;
The top connection, lower contact pass through mandrel(14)Connection, the turbine center is provided with through hole, and is placed on mandrel by through hole On;The turbine two-port is respectively sleeved on upper and lower boss, and turbine outer surface is uniformly provided with some righting strips(15);The whirlpool Take turns end face axial and be provided with some through holes(16), the through hole upper and lower end communicates with upper and lower flowing hole respectively, and fluid is through upper flowing hole Turbine through hole is flowed through, impulse turbine rotates righting strip, so that scraping landwaste, is then flowed out by lower flowing hole.
2. vortex generator according to claim 1, it is characterized in that, the righting strip(15)For vertical righting strip.
3. vortex generator according to claim 1, it is characterized in that, the righting strip(15)Middle part is provided with T-shaped hole(17), T-shaped telescopic block is laid in hole(18), T-shaped hole and the flexible block gap of T-shaped coordinate.
4. vortex generator according to claim 3, it is characterized in that, the T-shaped hole(17)By axial hole(19), radial hole (20)Constitute, the T-shaped telescopic block(18)By axial limiting block(21), radial direction scraping block(22)Constitute, axial limiting block is placed in In axial hole, radial direction scraping block is placed in radial hole, and the depth of axial hole is more than the thickness of axial limiting block;
When righting strip is in below turbine, corresponding T-shaped telescopic block is stretched out outside T-shaped hole, i.e., under centrifugal force and Action of Gravity Field The landwaste in radial direction scraping block scraping shaft bottom, when righting strip is in above turbine, corresponding T-shaped telescopic block is then in retraction T-shaped hole.
5. vortex generator according to claim 1, it is characterized in that, the turbine(3)Divide between two ends and upper and lower boss Fitted seal Cai Yong not moved.
6. vortex generator according to claim 1, it is characterized in that, the lower convex platform end face center is provided with screwed hole, uses Connected in mandrel.
7. vortex generator according to claim 1, it is characterized in that, the upper and lower boss external diameter is respectively smaller than upper and lower circle The external diameter of cylinder.
8. vortex generator according to claim 1, it is characterized in that, the turbine two ends pass through upper bearing (metal) respectively(23)、 Lower bearing(24)It is connected with upper and lower boss.
9. vortex generator according to claim 1, it is characterized in that, the upper flowing hole is oblique straight hole, the lower excessively stream Hole is straight hole.
CN201621413245.8U 2016-12-22 2016-12-22 Vortex generator Withdrawn - After Issue CN206503576U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621413245.8U CN206503576U (en) 2016-12-22 2016-12-22 Vortex generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621413245.8U CN206503576U (en) 2016-12-22 2016-12-22 Vortex generator

Publications (1)

Publication Number Publication Date
CN206503576U true CN206503576U (en) 2017-09-19

Family

ID=59844165

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621413245.8U Withdrawn - After Issue CN206503576U (en) 2016-12-22 2016-12-22 Vortex generator

Country Status (1)

Country Link
CN (1) CN206503576U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106639930A (en) * 2016-12-22 2017-05-10 扬州大泽石油工程技术有限公司 Vortex generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106639930A (en) * 2016-12-22 2017-05-10 扬州大泽石油工程技术有限公司 Vortex generator
CN106639930B (en) * 2016-12-22 2022-11-15 中国石油大学(北京) Vortex generator

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AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20170919

Effective date of abandoning: 20221115

AV01 Patent right actively abandoned

Granted publication date: 20170919

Effective date of abandoning: 20221115