CN204571887U - Split vane fluid power, Magnetic drive borehole cleaning tool - Google Patents
Split vane fluid power, Magnetic drive borehole cleaning tool Download PDFInfo
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- CN204571887U CN204571887U CN201520107073.0U CN201520107073U CN204571887U CN 204571887 U CN204571887 U CN 204571887U CN 201520107073 U CN201520107073 U CN 201520107073U CN 204571887 U CN204571887 U CN 204571887U
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- 239000012530 fluid Substances 0.000 title claims abstract description 67
- 238000004140 cleaning Methods 0.000 title claims abstract description 27
- 238000005553 drilling Methods 0.000 claims abstract description 57
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 230000001808 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 230000000875 corresponding Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 229910001004 magnetic alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 210000004072 Lung Anatomy 0.000 description 1
- 210000004233 Talus Anatomy 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 230000002153 concerted Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic Effects 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000000456 talus bone Anatomy 0.000 description 1
Abstract
The utility model relates to Split vane fluid power, Magnetic drive borehole cleaning tool, this Split vane fluid power-Magnetic drive borehole cleaning tool by flowing cylinder shell, rotary magnetic core, upper gauge body, rotating vane form, stream cylinder shell outer wall is provided with lower gauge body near external screw thread place, stream cylinder shell outer wall is also provided with spacing ring, and upper gauge body is arranged on spacing ring side; Rotary magnetic core is integrally formed by rotating cylinder and rotating shaft, and the transition linkage section of rotating cylinder and rotating shaft has drilling well fluid apertures, rotating shaft extenal fixation fluid power conversion equipment, and the outer wall of rotating cylinder is evenly equipped with permanent magnet, and adjacent two permanent magnet pole orientation are reverse; Rotary magnetic core is arranged in stream cylinder shell, and rotating vane cylinder inboard wall is evenly equipped with permanent magnet, and adjacent two permanent magnet pole orientation are reverse; Fluid power conversion equipment is double tubular body, is provided with axial pressure reduction blade between two-layer cylinder; Rotating vane is that Split detachable unloads.Whether the utility model, by fluid power-magnetic coupling transmission, does not rotate restriction by drilling rod, when circulation of drilling fluid, realizes fluid power-magnetic coupling transmission, improves well cleaning efficiency.
Description
Technical field
The utility model relates in petroleum and natural gas well drilling process, in order to effectively suppress cutting bed to be formed, improving the borehole cleaning tool that well cleaning efficiency uses, being specifically related to Split vane fluid power-Magnetic drive borehole cleaning tool.
Background technology
The exploitation of current offshore oil natural gas, shale gas often adopts the well type such as high angle hole, horizontal well, extended reach well to improve well drainage area, improves well yield to greatest extent.Owing to there is inclination section (hole angle to be increased to the curved portion of 90 ° by 0 °) and net horizontal section in these well type, landwaste is not easy to be carried out well in time by drilling fluid under the effect of weight component, there is the phenomenon of talus deposit, form cutting bed, field experience and indoor theory are tested and are all shown that cutting bed is easy to be formed between high angle hole section (referring generally to the inclination section between 45 ~ 90 °) and net horizontal section (hole angle 90 °).If drift bed thickness is too high in well, a series of serious down-hole problem will be caused, as drilling tool frictional resistance, moment of torsion increase, even occur serious down-hole accident as bit freezing, twist off drilling tool etc., process these down-hole accidents and significantly will reduce rate of penetration, increase considerably nonproductive time and operating cost.This just requires in the drilling process of this kind of well type, keeps higher well landwaste cleaning efficiency, and the well section being easy to be formed at cutting bed adopts necessary method, prevents the formation of cutting bed, ensures drilling tool and well safety.
The problem that landwaste cleans difficulty is there is for current High angle and horizontal segment, situ of drilling well generally adopts following Lung biopsy to clean well landwaste, comprising: improve that drilling fluid returns speed, improves drilling fluid rheology performance, short trip tool, improve rod rotation speed and use the borehole cleaning tool of drilling rod transmitting torque.
1, improve drilling fluid and return speed
In bore hole annulus, the average upward velocity of drilling fluid is higher, is more conducive to removing landwaste.But it is high to the requirement of drilling equipment that height returns speed, and corresponding power cost is also very high.Simultaneously for some broken ground, height returns speed may cause serious cave-in accident.Therefore, by the restriction on equipment and stratum, improve and return speed and can not solve well cleaning problems completely.
2, drilling fluid rheology performance is improved
The method, by reducing the liquidity index of mud, improves ratio of dynamic shear force/yield value to plastic viscosity, improves drilling fluid and take lithology energy, strengthen its suspension carrying capacity.The shortcoming of the method improves property of drilling fluid to need extra interpolation drilling fluid Admixture, and increase cost, higher ratio of dynamic shear force/yield value to plastic viscosity also can bring larger burden to landscape apparatus such as pumps simultaneously, increases power consumption.The method applies separately the limited efficiency often played, and must coordinate other method.
3, short trip tool
Under existence conditions, return speed except employing improves mud and improve mud property to improve except its large rock-carrying ability, also need in actual well drilled to coordinate the measure such as short trip, stages cycle and back reaming, to destroy, Cutting Disposal.Therefore, not serious well section is deposited for cutting bed, the way of short trip can be adopted.Cutting bed is easy to well type and the well section of formation, in short trip process, the following drilling tool of kickoff point (KOP) moves along the lower borehole wall, can destroy cutting bed.Relatively more serious to cutting bed, adopt the well of short trip DeGrain, the way of back reaming can be adopted to destroy cutting bed.Though adopt the short removing method that removes can play and consider effect to be worth doing clearly, on making a trip the expensive time, had a strong impact on the efficiency of drilling well.
4, rod rotation speed is improved
Improve the drilling fluid circumferential speed that rod rotation speed can improve drilling rod near surface in drilling process, make landwaste better be suspended into well flash, improve the cleaning efficiency of landwaste to a certain extent.But when beating landwaste and cleaning inclination section (the hole angle 0-90 °) of difficulty, generally adopt mud motor (helicoid hydraulic motor and turbodrill) slipping drilling deflecting both at home and abroad, for keeping hole azimuth angle constant, drilling rod and the housing non rotating comprising mud motor, now only have bit to break rock.But due to the overall non rotating of drilling rod, the method Cutting Disposal improving drilling rod speed can not be adopted.
5, the borehole cleaning tool of drilling rod transmitting torque is used
The another kind of method suppressing high angle hole section and net horizontal section cutting bed to be formed uses blade-carrying landwaste burnisher, this instrument and drilling rod pass through screwed connection, moment of torsion is passed to borehole cleaning tool while rotating by drilling rod, landwaste burnisher rotates with drilling rod and suppresses cutting bed, but shortcoming is instrument rotary power comes from drilling rod, when making inclination section application mud motor (turbodrill, helicoid hydraulic motor) when carrying out slipping drilling, due to drilling rod non rotating, the type instrument also cannot realize rotating, and does not substantially suppress the effect that cutting bed is formed.
Summary of the invention
The purpose of this utility model is to provide Split vane fluid power-Magnetic drive borehole cleaning tool, when this Split vane fluid power-Magnetic drive borehole cleaning tool is for solving the well type slipping drilling such as current high angle hole, horizontal well, extended reach well, well landwaste cleaning effect is bad, the problem that can not effectively suppress cutting bed to be formed.
The utility model solves the technical scheme that its technical problem adopts: this Split vane fluid power-Magnetic drive borehole cleaning tool by flowing cylinder shell, rotary magnetic core, upper gauge body, rotating vane form, stream cylinder shell arrival end has internal thread, the port of export has external screw thread, stream cylinder shell outer wall is provided with lower gauge body near external screw thread place, stream cylinder shell outer wall is also provided with spacing ring, and upper gauge body is arranged on spacing ring side;
Rotary magnetic core is integrally formed by rotating cylinder and rotating shaft, the transition linkage section of rotating cylinder and rotating shaft has drilling well fluid apertures, rotating shaft extenal fixation fluid power conversion equipment, the outer wall of rotating cylinder is evenly equipped with permanent magnet, every root permanent magnet is along drum shaft to setting, permanent magnet pole orientation is disposed radially, and adjacent two permanent magnet pole orientation are reverse; Rotary magnetic core is arranged in stream cylinder shell, and rotating cylinder exports with stream cylinder shell and communicates, and rotating vane is sleeved on outside stream cylinder shell, and rotating vane is between upper gauge body and lower gauge body, and rotating vane is corresponding with rotating cylinder to be arranged;
Rotating vane is the vaned cylindrical body of tool, and cylinder inboard wall is evenly equipped with permanent magnet, and every root permanent magnet is along drum shaft to setting, and permanent magnet pole orientation is disposed radially, and adjacent two permanent magnet pole orientation are reverse;
Upper gauge body and lower gauge body are the outside ring bodies with gauge blade, and the gauge outer blade diameter of upper gauge body is identical with the gauge outer blade diameter of lower gauge body, and the gauge blade of the two is slightly larger than the external diameter of rotating vane;
Fluid power conversion equipment is double tubular body, is provided with axial pressure reduction blade, the annular space between two-layer cylinder is separated out some passages between two-layer cylinder;
Rotating vane is that Split detachable unloads, and is buckled togather by two halfbodies, inserts coupling bar and connects, and re-uses stop pin and is formed coupling bar locking.
In such scheme, in rotary magnetic core and rotating vane, permanent magnet is inlayed quantity and is 2 ~ 20, the preferential capping of quantity inlayed by rotary magnetic core and the rotating vane permanent magnet when meeting intensity, the cyclically-varying magnetic field that so every adjacent two permanent magnets are formed circumferentially distributes comparatively dense, when producing slide force with the permanent magnet effect of fluid power rotary magnetic core, the size variation of power is relatively little, stressed more even during rotation.
In such scheme, the rotating cylinder outer wall of rotary magnetic core has axial embedding groove, and embedding groove is distributed on rotating cylinder outer wall, and permanent magnet is embedded in embedding groove; The cylinder inboard wall of rotating vane has axial embedding groove, and embedding groove is evenly arranged, and permanent magnet is embedded in embedding groove.
In such scheme, the inner core of fluid power conversion equipment has key, and the rotating shaft of rotary magnetic core has keyway, and fluid power conversion equipment is fixed in rotating shaft by key.
The utility model has following beneficial effect:
1, the utility model is by fluid power-magnetic coupling transmission, whether restriction is not rotated by drilling rod, can use when using mud motor slipping drilling, when circulation of drilling fluid, the pressure potential of drilling fluid is converted to the kinetic energy that self rotates by rotary magnetic core, transmit magnetic force and moment of torsion by permanent magnet through stream cylinder shell, outside driving stream cylinder shell, rotating vane rotates, thus realizes fluid power-magnetic coupling transmission.Rotating vane, when fluid power-magnetic coupling transmission rotates, can increase substantially the circumferential speed of bore hole annulus drilling fluid, suppresses the formation of cutting bed, improves well cleaning efficiency.
2, the rotating vane in the utility model is split type, serious, the frequent underground working changing blade of blade wear can better be applicable to, when needing dismounting and change rotating vane, two halfbodies of unlocking lock pin and coupling bar and detachable rotating vane are separated respectively, thus disassemble lower rotating vane, do not need to dismantle stream cylinder shell internal thread, change rotating vane required time short, improve drilling efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is rotary magnetic core axonometric drawing in the utility model;
Fig. 4 is that in the utility model, rotary magnetic core and rotating vane magnetic pole arrange schematic diagram;
Fig. 5 is that in the utility model, rotary magnetic core rotates permanent magnet Impact direction schematic diagram in rear rotating vane;
Fig. 6 flows cylinder shell axonometric drawing in the utility model;
Fig. 7 flows cylinder shell left view in the utility model;
Fig. 8 flows cylinder shell A-A sectional view in Fig. 7;
Fig. 9 is upper gauge body axonometric drawing in the utility model;
Figure 10 is rotating vane axonometric drawing in the utility model.
In figure: 1 stream cylinder shell, 2 rotary magnetic cores, gauge body on 3,4 rotating vanes, 5 arrival ends, 6 ports of export, 7 times gauge bodies, 8 spacing rings, 9 rotating cylinders, 10 rotating shafts, 11 fluid power conversion equipments, 12 embedding grooves, 13 permanent magnets, 14 gauge blades, 15 pressure reduction blades, 16 drilling well fluid apertures, 17 keyways, 18 coupling bars, 19 stop pins.
Detailed description of the invention
Below the utility model is further described:
Shown in composition graphs 1, Fig. 2, this Split vane fluid power-Magnetic drive borehole cleaning tool by flowing cylinder shell 1, rotary magnetic core 2, upper gauge body 3, rotating vane 4 form, rotary magnetic core 2 is arranged in stream cylinder shell 1, rotating cylinder 9 exports with stream cylinder shell 1 and communicates, rotating vane 4 is sleeved on outside stream cylinder shell 1, rotating vane 4 is between upper gauge body 3 and lower gauge body 7, and rotating vane 4 is corresponding with rotating cylinder 9 to be arranged.
Shown in composition graphs 6, Fig. 7, Fig. 8, stream cylinder shell arrival end 5 has internal thread (female joint), the port of export 6 has external screw thread (male joint), stream cylinder shell 1 outer wall is provided with lower gauge body 7 near external screw thread place, stream cylinder shell 1 outer wall is also provided with spacing ring 8, and upper gauge body 3 is arranged on spacing ring 8 side.Stream cylinder shell 1, by the overall machining of blank, without any through hole, can ensure that cleaner for high-pressure drilling fluid does not sting leakage housing when internal flow, cause broken tool.Stream cylinder shell 1 is connected by key with upper gauge body 3, in spacing ring 8, conventional mechanical type snap ring is installed, for locking key and upper gauge body 3, after key and upper gauge body 3 are in place on stream cylinder shell 1, snap ring in spacing ring 8 makes key and upper gauge body 3 keep lock-out state on stream cylinder shell 1, can not move axially along stream cylinder shell 1.Stream cylinder shell 1 is by non-magnetic alloy materials processing, and its major function connects other drilling tools, for drilling fluid provides airtight flow channel.
Consult Fig. 3, rotary magnetic core 2 is integrally formed by rotating cylinder 9 and rotating shaft 10, rotating cylinder 9 has drilling well fluid apertures 16 with the transition linkage section of rotating shaft 10, rotating shaft 10 extenal fixation fluid power conversion equipment 11, rotating cylinder 9 outer wall of rotary magnetic core 2 has axial embedding groove 12, embedding groove 12 is distributed on rotating cylinder 9 outer wall, and permanent magnet 13 is embedded in embedding groove 12; Quantity inlayed by permanent magnet 13 is 2 ~ 20, the preferential capping of quantity inlayed by rotating cylinder 9 permanent magnet 13 when meeting intensity of rotary magnetic core 2, the cyclically-varying magnetic field that so every adjacent two permanent magnets 13 are formed circumferentially distributes comparatively dense, the peripheral force change that outside rotating vane 4 is subject to is relatively little, stressed more even during rotation.Consult Fig. 4, every root permanent magnet 13 is along drum shaft to setting, and permanent magnet 13 pole orientation is disposed radially, and adjacent two permanent magnet 13 pole orientation are reverse.
The major function of rotary magnetic core 2 is when circulation of drilling fluid, the pressure potential of drilling fluid is converted to the rotation function of magnetic core, and while rotary magnetic core 2 rotates, the permanent magnet 13 inlayed in magnetic core forms periodically variable magnetic field.Rotary magnetic core 2 body is nonmagnetic alloy material, selects the advantage of this material to be to ensure required intensity, does not affect permanent magnet 13 Distribution of Magnetic Field simultaneously.
Consult Figure 10, rotating vane 4 is the vaned cylindrical body of tool, and the blade on rotating vane 4 is processed as spirality or V-arrangement vertically, can select different tangent plane and section shape according to changes such as underground working, hydraulics, drilling fluid sand content; The cylinder inboard wall of rotating vane 4 has axial embedding groove 12, and embedding groove 12 is evenly arranged, and permanent magnet 13 is embedded in embedding groove 12.In rotating vane 4, permanent magnet 13 is inlayed quantity and is 2 ~ 20, the preferential capping of quantity inlayed by rotary magnetic core 2 and rotating vane 4 permanent magnet 13 when meeting intensity, the cyclically-varying magnetic field that so every adjacent two permanent magnets 13 are formed circumferentially distributes comparatively dense, with the permanent magnet 13 of fluid power rotary magnetic core 2 act on produce slide force time, the size variation of power is relatively little, stressed more even during rotation.Consult Fig. 4, every root permanent magnet 13 is along drum shaft to setting, and permanent magnet 13 pole orientation is disposed radially, and adjacent two permanent magnet 13 pole orientation are reverse.
In rotating vane 4 permanent magnet 13 inlay quantity inlay quantity from permanent magnet 13 in rotary magnetic core 2 can be different.
Rotating vane 4 unloads for Split detachable, is buckled togather by two halfbodies, inserts coupling bar 18 and connects, and re-uses stop pin 19 pairs of coupling bars 18 and locks formation.Two halfbodies of rotating vane 4 are formed by high-intensity non-magnetic alloy blank machining.During actual assembled, two halfbodies of rotating vane 4 after make-up puts in place on stream cylinder shell 1, insert coupling bar 18 and connect, re-use stop pin 19 pairs of coupling bars 18 and lock.When needing dismounting and change rotating vane 4, unlocking lock pin 19 and coupling bar 18 i.e. detachable two halfbodies respectively, do not need to dismantle stream cylinder shell 1.
Consult Fig. 5, when rotary magnetic core 2 rotates, (repulsion is designated as to form periodic thrust with permanent magnet 13 magnetic field of rotating vane 4
f 1 ) and pulling force (suction is designated as
f 2 ), thrust and pulling force action direction as shown in Figure 3, (being designated as with joint efforts of thrust and pulling force
f) necessarily there is circumferentially tangential component, should the tangential component of making a concerted effort circumferentially rotating vane 4 can be driven to rotate in a circumferential direction.
Consult Fig. 9, upper gauge body 3 and lower gauge body 7 are the outside ring bodies with gauge blade 14, and gauge blade 14 external diameter of upper gauge body 3 is identical with gauge blade 14 external diameter of lower gauge body 7, and the gauge blade 14 of the two is slightly larger than the external diameter of rotating vane 4.Upper gauge body 3 is non-magnetic alloy blank overall processing, and inside has for installing fixing keyway 17, and effect contributes to improving Separated permanent magnetic rotating vane 4 frequently to scrape the borehole wall when going into the well work, causes the problems such as wearing and tearing or fracture.
Fluid power conversion equipment 11 is double tubular body, is provided with axial pressure reduction blade 15, the annular space between two-layer cylinder is separated out some passages between two-layer cylinder; The inner core of fluid power conversion equipment 11 has key, and the rotating shaft of rotary magnetic core 2 has keyway 17, and fluid power conversion equipment 11 is fixed in rotating shaft 10 by key.Fluid power conversion equipment 11 is the functional part of rotary magnetic core 2 rotation function by drilling liquid pressure potential energy converting and energy, according to the displacement size of drilling fluid, sand content etc. are because usually selecting fluid power conversion equipment 11, the principle that this fluid power conversion equipment 11 works is that inside is processed with the blade that can produce pressure reduction, when drilling fluid flows through blade, pressure differential is produced at blade surface, promotion blade rotates in a circumferential direction, thus driving fluid power rotary magnetic core 2 assembly to rotate, the pressure potential energy converting and energy realizing drilling fluid is the kinetic energy that magnetic core rotates.
Claims (4)
1. a Split vane fluid power, Magnetic drive borehole cleaning tool, it is characterized in that: this Split vane fluid power, Magnetic drive borehole cleaning tool by flowing cylinder shell (1), rotary magnetic core (2), upper gauge body (3), rotating vane (4) form, stream cylinder shell arrival end (5) has internal thread, the port of export (6) has external screw thread, stream cylinder shell (1) outer wall is provided with lower gauge body (7) near external screw thread place, stream cylinder shell (1) outer wall is also provided with spacing ring (8), and upper gauge body (3) is arranged on spacing ring (8) side;
Rotary magnetic core (2) is integrally formed by rotating cylinder (9) and rotating shaft (10), rotating cylinder (9) has drilling well fluid apertures (16) with the transition linkage section of rotating shaft (10), rotating shaft (10) extenal fixation fluid power conversion equipment (11), the outer wall of rotating cylinder (9) is evenly equipped with permanent magnet (13), every root permanent magnet (13) is along drum shaft to setting, permanent magnet (13) pole orientation is disposed radially, and adjacent two permanent magnet (13) pole orientation are reverse; Rotary magnetic core (2) is arranged in stream cylinder shell (1), rotating cylinder (9) exports with stream cylinder shell (1) and communicates, rotating vane (4) is sleeved on stream cylinder shell (1) outward, rotating vane (4) is positioned between gauge body (3) and lower gauge body (7), and rotating vane (4) is corresponding with rotating cylinder (9) to be arranged;
Rotating vane (4) is evenly equipped with permanent magnet (13) for the vaned cylindrical body of tool, cylinder inboard wall, and every root permanent magnet (13) is along drum shaft to setting, and permanent magnet (13) pole orientation is disposed radially, and adjacent two permanent magnet (13) pole orientation are reverse;
Upper gauge body (3) and lower gauge body (7) are the outside ring bodies with gauge blade (14), gauge blade (14) external diameter of upper gauge body (3) is identical with gauge blade (14) external diameter of lower gauge body (7), and the gauge blade (14) of the two is slightly larger than the external diameter of rotating vane (4);
Fluid power conversion equipment (11) is double tubular body, is provided with axial pressure reduction blade (15), the annular space between two-layer cylinder is separated out some passages between two-layer cylinder;
Rotating vane (4) unloads for Split detachable, is buckled togather by two halfbodies, inserts coupling bar (18) and connects, and re-uses stop pin (19) and is formed coupling bar (18) locking.
2. Split vane fluid power according to claim 1, Magnetic drive borehole cleaning tool, is characterized in that: described rotary magnetic core (2) and the middle permanent magnet (13) of rotating vane (4) are inlayed quantity and be 2 ~ 20.
3. Split vane fluid power according to claim 2, Magnetic drive borehole cleaning tool, it is characterized in that: the rotating cylinder outer wall of described rotary magnetic core (2) has axial embedding groove (12), embedding groove (12) is distributed on rotating cylinder (9) outer wall, and permanent magnet (13) is embedded in embedding groove (12); The cylinder inboard wall of rotating vane (4) has axial embedding groove (12), and embedding groove (12) is evenly arranged, and permanent magnet (13) is embedded in embedding groove (12).
4. Split vane fluid power according to claim 3, Magnetic drive borehole cleaning tool, it is characterized in that: the inner core of described fluid power conversion equipment (11) has key, the rotating shaft of rotary magnetic core (2) has keyway (17), and fluid power conversion equipment (11) is fixed in rotating shaft (10) by key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107073.0U CN204571887U (en) | 2015-02-15 | 2015-02-15 | Split vane fluid power, Magnetic drive borehole cleaning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107073.0U CN204571887U (en) | 2015-02-15 | 2015-02-15 | Split vane fluid power, Magnetic drive borehole cleaning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204571887U true CN204571887U (en) | 2015-08-19 |
Family
ID=53864541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520107073.0U Withdrawn - After Issue CN204571887U (en) | 2015-02-15 | 2015-02-15 | Split vane fluid power, Magnetic drive borehole cleaning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204571887U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675346A (en) * | 2015-02-15 | 2015-06-03 | 东北石油大学 | Split blade hydraulic-magnetic transmission well hole cleaning tool |
| CN110410036A (en) * | 2019-08-12 | 2019-11-05 | 长江大学 | A kind of liquid electromagnetic integral type cutting bed destructor |
| CN111577173A (en) * | 2020-05-22 | 2020-08-25 | 西安石油大学 | Self-rotating-magnetic-transmission underground detritus bed removing tool |
-
2015
- 2015-02-15 CN CN201520107073.0U patent/CN204571887U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675346A (en) * | 2015-02-15 | 2015-06-03 | 东北石油大学 | Split blade hydraulic-magnetic transmission well hole cleaning tool |
| CN110410036A (en) * | 2019-08-12 | 2019-11-05 | 长江大学 | A kind of liquid electromagnetic integral type cutting bed destructor |
| CN110410036B (en) * | 2019-08-12 | 2021-08-10 | 长江大学 | Hydraulic electromagnetic integrated detritus bed destroyer |
| CN111577173A (en) * | 2020-05-22 | 2020-08-25 | 西安石油大学 | Self-rotating-magnetic-transmission underground detritus bed removing tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150819 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |