CN104653130A - Integral vane hydraulic-magnetic driving borehole cleaning tool - Google Patents
Integral vane hydraulic-magnetic driving borehole cleaning tool Download PDFInfo
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- CN104653130A CN104653130A CN201510078623.5A CN201510078623A CN104653130A CN 104653130 A CN104653130 A CN 104653130A CN 201510078623 A CN201510078623 A CN 201510078623A CN 104653130 A CN104653130 A CN 104653130A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 239000012530 fluid Substances 0.000 claims abstract description 65
- 238000005553 drilling Methods 0.000 claims abstract description 58
- 238000005096 rolling process Methods 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims abstract description 4
- 230000009467 reduction Effects 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 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
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002153 concerted effect 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
- 230000008014 freezing Effects 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
- 238000005461 lubrication Methods 0.000 description 1
- 210000004072 lung Anatomy 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 effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000004233 talus Anatomy 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to an integral vane hydraulic-magnetic driving borehole cleaning tool. The integral vane hydraulic-magnetic driving borehole cleaning tool consists of a flow barrel shell, a rotary magnetic core, an upper gauge protection body and a rotary vane, wherein the outer wall of the flow barrel shell is provided with a lower gauge protection body and a spacing ring; the upper gauge protection body is installed on one side of the spacing ring; the rotary magnetic core is integrally formed by a drum and a spindle; a transition connection section of the drum and the spindle is provided with drilling fluid holes; a hydraulic conversion device is fixedly arranged out of the spindle; the outer wall of the drum is evenly provided with permanent magnets; every two adjacent permanent magnets have opposite magnetic pole directions; the rotary magnetic core is installed in the flow barrel shell; the rotary vane sleeves the flow barrel shell; the outer wall of the flow barrel shell is also provided with a bearing raceway which corresponds to a bearing raceway of the rotary vane; a rolling body is installed in the bearing raceways; the outer wall of the flow barrel shell is also provided with a seal groove; the rotary blade is integrated; the inner wall of a drum body of the rotary blade is evenly provided with the permanent magnets; every two adjacent permanent magnets of the rotary blade have the opposite magnetic pole directions; the outer wall of the rotary vane is also provided with a storage oil sealing and compensating system. The integral vane hydraulic-magnetic driving borehole cleaning tool is free from the limitation whether a drill pipe rotates or not through hydraulic-magnetic coupling driving, and therefore, borehole cleaning efficiency can be drastically improved.
Description
Technical field
The present invention 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 integral type blade 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 object of this invention is to provide integral type blade fluid power-Magnetic drive borehole cleaning tool, when this integral type blade 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 technical solution adopted for the present invention to solve the technical problems is: this integral type blade 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;
Stream cylinder shell outer wall has raceway, after installation corresponding with the raceway of rotating vane, installs rolling element in raceway, and stream cylinder shell, rotating vane, rolling element form rolling bearing jointly, make stream cylinder shell, rotating vane become to be integrated with rolling element; Stream cylinder shell outer wall also has seal groove, and seal groove is positioned at outside the raceway on stream cylinder shell;
Rotating vane is the vaned cylindrical body of tool, and rotating vane is integrated, 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; Rotating vane outer wall also arranges oil storage sealing compensation system;
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.
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.
Flow cylinder shell in such scheme 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.
Flow cylinder shell in such scheme to be connected by key with upper gauge body, in spacing ring, conventional mechanical type snap ring is installed, for locking key and upper gauge body, after key and upper gauge body are in place on stream cylinder shell, snap ring in spacing ring makes key and upper gauge body keep lock-out state on stream cylinder shell, can not move axially along stream cylinder shell.
Blade in such scheme on rotating vane is processed as spirality or V-arrangement or crescent vertically.
The present invention has following beneficial effect:
1, the present invention 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, in the present invention after entering under rolling element, stream cylinder shell, rotating vane and rolling element form rolling bearing, and the lower resistance realizing rotating vane relative current cylinder shell rotates, and simultaneously also makes stream cylinder shell, rotating vane become to be integrated with rolling element.Rolling element, except playing bearing function, also plays the thrust function to rotating vane, makes it can not move axially along stream cylinder shell, prevents pivoting leaf slabbing well.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is rotary magnetic core axonometric drawing in the present invention;
Fig. 4 is that in the present invention, rotary magnetic core and rotating vane magnetic pole arrange schematic diagram;
Fig. 5 is that in the present invention, rotary magnetic core rotates permanent magnet Impact direction schematic diagram in rear rotating vane;
Fig. 6 flows cylinder shell axonometric drawing in the present invention;
Fig. 7 flows cylinder shell left view in the present invention;
Fig. 8 flows cylinder shell A-A sectional view in Fig. 7;
Fig. 9 is upper gauge body axonometric drawing in the present invention;
Figure 10 is rotating vane axonometric drawing in the present invention.
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, 20 raceways, 21 seal grooves, 22 oil storage sealing compensation systems, enter through hole under 23 rolling elements.
Detailed description of the invention
The present invention is further illustrated below:
Shown in composition graphs 1, Fig. 2, this integral type blade 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.
Stream cylinder shell 1 outer wall is processed with raceway 20, corresponding with the raceway 20 of rotating vane 4 inwall, stream cylinder shell 1 there are two circle raceways 20, all there is raceway 20 at two ends on rotating vane 4, respective one_to_one corresponding, after rotating vane 4 installs, in raceway, rolling element can be installed, form rolling bearing.After entering under rolling element, stream cylinder shell 1, rotating vane 4 and rolling element form rolling bearing, simultaneously also make stream cylinder shell 1, rotating vane 4 becomes to be integrated with rolling element.Rolling element, except playing bearing function, also plays the thrust function to rotating vane 4, makes it can not move axially along stream cylinder shell 1, prevents rotating vane 4 to fall well.
Stream cylinder shell 1 external surface is also processed with seal groove 21, and seal groove 21 is positioned at outside the raceway 20 on stream cylinder shell, installs sealing ring in seal groove 21, prevents annular space from containing sand drilling fluid and enters rotating vane 4 inside, cause rolling bearing to wear and tear.
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 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 when meeting intensity of rotary magnetic core, the cyclically-varying magnetic field that so every adjacent two permanent magnets 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 is along drum shaft to setting, and permanent magnet pole orientation is disposed radially, and adjacent two permanent magnet 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 inlayed in magnetic core forms periodically variable magnetic field.Rotary magnetic core body is nonmagnetic alloy material, selects the advantage of this material to be to ensure required intensity, does not affect permanent magnet field distribution simultaneously.
Consult Figure 10, rotating vane 4 is the vaned cylindrical body of tool, rotating vane 4 is integrated, if figure blade tangent plane is meniscate, blade on rotating vane 4 can also be 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 is embedded in embedding groove.In rotating vane 4, permanent magnet is inlayed quantity and is 2 ~ 20, the preferential capping of quantity inlayed by rotary magnetic core 2 and rotating vane 4 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 rotary magnetic core 2, the size variation of power is relatively little, stressed more even during rotation.Consult Fig. 4, 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.
In rotating vane 4 permanent magnet inlay quantity inlay quantity from permanent magnet in rotary magnetic core 2 can be different.
Through hole 23 and oil storage sealing compensation system 22 is entered under rotating vane 4 outer wall has bearing roller, lubricating grease is full of in oil storage sealing compensation system chamber, under annular space drilling fluid differential pressure action, lubricating grease can slowly penetrate in raceway, plays lubrication and sealing function to bearing roller.
Rotating vane 4 cylinder inboard wall is processed with raceway 20, raceway 20 and raceway 20 size on stream cylinder shell 1 and Working position one_to_one corresponding, both coordinate, and rear raceway is interior enters spheroid, cylinder rolling element under entering through hole under rolling element, form rolling bearing, the lower resistance realizing rotating vane 4 relative current cylinder shell 1 rotates.
Consult Fig. 5, when rotary magnetic core 2 rotates, (repulsion is designated as to form periodic thrust with the permanent magnet 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 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, and gauge blade 14 external diameter of upper gauge body is identical with gauge blade 14 external diameter of lower gauge body, 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 integrated rotating blade 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 10 of rotary magnetic core 2 has keyway, 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, the principle of this fluid power conversion equipment work is that inside is processed with the blade that can produce pressure reduction, when drilling fluid flows through blade, produce pressure differential at blade surface, promote blade and rotate in a circumferential direction, thus driving fluid power rotary magnetic core 2 to rotate, the pressure potential energy converting and energy realizing drilling fluid is the kinetic energy that magnetic core rotates.
Claims (7)
1. integral type blade fluid power-Magnetic drive borehole cleaning tool, it is characterized in that: this integral type blade 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, 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 (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;
Stream cylinder shell (1) outer wall has raceway (20), after rotating vane raceway (20) corresponding installation, in raceway, rolling element is installed, stream cylinder shell, rotating vane, rolling element form rolling bearing jointly, make stream cylinder shell (1), rotating vane (4) becomes to be integrated with rolling element; Stream cylinder shell (1) outer wall also has seal groove (21), and seal groove (21) is positioned at raceway (20) outside on stream cylinder shell;
Rotating vane (4) is integrated for the vaned cylindrical body of tool, rotating vane (4), 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; Rotating vane (4) outer wall also arranges oil storage sealing compensation system (23);
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.
2. integral type blade fluid power-Magnetic drive borehole cleaning tool according to claim 1, it is characterized in that: described rotary magnetic core (2) and the middle permanent magnet of rotating vane (4) are inlayed quantity and be 2 ~ 20, and the preferential capping of quantity inlayed by rotary magnetic core (2) and rotating vane (4) permanent magnet when meeting intensity.
3. integral type blade fluid power-Magnetic drive borehole cleaning tool according to claim 2, it is characterized in that: rotating cylinder (9) outer wall of described rotary magnetic core 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. integral type blade fluid power-Magnetic drive borehole cleaning tool according to claim 3, it is characterized in that: the inner core of described fluid power conversion equipment (11) has key, the rotating shaft (10) of rotary magnetic core has keyway, and fluid power conversion equipment (11) is fixed in rotating shaft (10) by key.
5. integral type blade fluid power-Magnetic drive borehole cleaning tool according to claim 4, it is characterized in that: described stream cylinder shell (1) is by the overall machining of blank, without any through hole, ensure that cleaner for high-pressure drilling fluid does not sting leakage housing when internal flow, cause broken tool.
6. integral type blade fluid power-Magnetic drive borehole cleaning tool according to claim 5, it is characterized in that: described 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), the snap ring in spacing ring (8) makes key and upper gauge body (3) keep lock-out state on stream cylinder shell (1).
7. integral type blade fluid power-Magnetic drive borehole cleaning tool according to claim 6, is characterized in that: the blade on described rotating vane (4) is processed as spirality or V-arrangement or crescent vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078623.5A CN104653130B (en) | 2015-02-15 | 2015-02-15 | Integral type blade fluid power-Magnetic drive borehole cleaning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078623.5A CN104653130B (en) | 2015-02-15 | 2015-02-15 | Integral type blade fluid power-Magnetic drive borehole cleaning tool |
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| Publication Number | Publication Date |
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| CN104653130A true CN104653130A (en) | 2015-05-27 |
| CN104653130B CN104653130B (en) | 2016-08-31 |
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| CN201510078623.5A Active CN104653130B (en) | 2015-02-15 | 2015-02-15 | Integral type blade fluid power-Magnetic drive borehole cleaning tool |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397134A (en) * | 2018-01-03 | 2018-08-14 | 中国石油集团西部钻探工程有限公司 | Small size rotary steering magnetic drive unit |
| CN109826576A (en) * | 2019-03-15 | 2019-05-31 | 中国石油集团工程技术研究院有限公司 | Rock short tube is taken in the decompression of automatically cleaning Magnetic drive |
| CN111577173A (en) * | 2020-05-22 | 2020-08-25 | 西安石油大学 | Self-rotating-magnetic-transmission underground detritus bed removing tool |
| CN112392418A (en) * | 2020-11-13 | 2021-02-23 | 中国石油集团渤海钻探工程有限公司 | Shaft bottom local under-pressure short joint for well drilling |
| CN112483018A (en) * | 2020-12-10 | 2021-03-12 | 中国石油集团渤海钻探工程有限公司 | Double-acting sleeve rotating guide shoe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109826576A (en) * | 2019-03-15 | 2019-05-31 | 中国石油集团工程技术研究院有限公司 | Rock short tube is taken in the decompression of automatically cleaning Magnetic drive |
| CN109826576B (en) * | 2019-03-15 | 2024-05-10 | 中国石油天然气集团有限公司 | Self-cleaning magnetic transmission depressurization rock-carrying short pipe |
| CN111577173A (en) * | 2020-05-22 | 2020-08-25 | 西安石油大学 | Self-rotating-magnetic-transmission underground detritus bed removing tool |
| CN112392418A (en) * | 2020-11-13 | 2021-02-23 | 中国石油集团渤海钻探工程有限公司 | Shaft bottom local under-pressure short joint for well drilling |
| CN112483018A (en) * | 2020-12-10 | 2021-03-12 | 中国石油集团渤海钻探工程有限公司 | Double-acting sleeve rotating guide shoe |
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