CN110242484A - A kind of nearly drill bit self-powered mud turbine generator and connector for logging while drilling - Google Patents
A kind of nearly drill bit self-powered mud turbine generator and connector for logging while drilling Download PDFInfo
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- CN110242484A CN110242484A CN201910552438.3A CN201910552438A CN110242484A CN 110242484 A CN110242484 A CN 110242484A CN 201910552438 A CN201910552438 A CN 201910552438A CN 110242484 A CN110242484 A CN 110242484A
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- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 238000005259 measurement Methods 0.000 claims description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920003266 Leaf® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/02—Adaptations for drilling wells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of nearly drill bit self-powered mud turbine generator and connector for logging while drilling, generator includes magnetic engagement module；Including mandrel, the interior magnetic cell that is set in mandrel periphery, it is set in the outer magnetic cell of inside cell periphery and is set in the turbine rotor of outer magnetic cell periphery；Power coil module, including the generator unit being connected with mandrel and the stator air deflector for being set in generator unit periphery, stator air deflector is connected with turbine rotor.Advantage is: magnetic engagement module use can transmit the strong permanent magnet material of high magnetic torque, and be embedded in interior permanent magnetic strip and outer permanent magnetic strip respectively in rotor magnet frame and mandrel frame, driving torque not only can be improved, but also can shorten instrument axial dimension；The structure of magnetic engagement avoids part and directly contacts and be rigidly connected, and efficiently solves sealing and wear problem, compact-sized, reliable operation；Disk and coil are axially arranged in power coil module, and magnetic patch is distributed side by side with coil, and there are certain interval, effectively shorten instrument radial dimension.
Description
Technical field
The present invention relates to electrical generator fields more particularly to a kind of nearly drill bit self-powered mud turbine generator and well loggings
Instrument.
Background technique
Oil field development difficulty more comes also big, especially domestic major oil reservoir effectively exploitation, from now on drilling well both at home and abroad at present
Trend concentrates on effective exploitation to the oil sheet and ultra-thin oil reservoir of major oil reservoir periphery, due to traditional wireless drilling logging instrument
Device (LWD) is mounted on screw rod top, measures hole deviation, the parameter measuring point in orientation and drill bit distance farther out, for such oil sheet, no
It is able to satisfy the real time position positioning accuracy to drill bit, oil reservoir can not effectively be exploited；Nearly drill bit measurement while-drilling instrument (NBM)
It is mounted on screw rod lower part, is directly connected with drill bit, has the advantages that multi-parameter close-in measurement, at the scene in drilling process, is led
The relative position that drill bit and reservoir can be positioned in time according to the parameter closely measured to engineer, improves the control of wellbore trace
Precision, to effectively improve the middle target precision of oil sheet；Nearly drill bit self-powered mud turbine generator is installed on nearly drill bit pup joint
In hydrophthalmia, the turbine rotor by replacing different model can adapt to the variation of instrument electricity consumption and the change of drilling well flow velocity
Change, the power demands of nearly each module of drill bit device can be met, allow instrument for a long time in underground continuous work, effectively shortens brill
The well time reduces drillng operation cost.The present apparatus is a kind of instrument designed based on the above demand, is greatly improved nearly drill bit
Instrument drilling efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of nearly drill bit self-powered mud turbine generator and connector for logging while drilling, thus
Solve foregoing problems existing in the prior art.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of nearly drill bit self-powered mud turbine generator, the generator include
Magnetic engagement module；Including mandrel, the interior magnetic cell that is set in the mandrel periphery, it is set in outside the inside cell
The outer magnetic cell in week and the turbine rotor for being set in the outer magnetic cell periphery；
Power coil module including the generator unit being connected with the mandrel and is set in determining for the generator unit periphery
Sub- air deflector.
Preferably, the interior magnetic cell include be set in the mandrel frame of the mandrel periphery and be fastened on the mandrel frame with
Multiple interior permanent magnetic strips between the outer magnetic cell, the mandrel frame is cylindrical, sets on the mandrel outer frame wall along its circumferential direction
It is equipped with multiple first pillars, project radially outward extension of each first pillar along the mandrel frame, adjacent two first pillar
Between be provided with an interior permanent magnetic strip.
Preferably, the magnetic engagement module further includes the intermediate sleeve for being set in the mandrel outer frame week, and the intermediate sleeve is in
Cylindrical shape, the outer magnetic cell are set in the intermediate sleeve periphery, and the outer magnetic cell includes being set in the intermediate sleeve periphery
Rotor magnet frame and card and the outer permanent magnetic strip between the rotor magnet frame and the turbine rotor, the rotor magnet frame is in cylinder
Shape is provided with multiple second pillars along its circumferential direction on the rotor magnet frame outer wall, and each second pillar is along the rotor magnet frame
Project radially outward extension, be provided with an outer permanent magnetic strip between adjacent two second pillar.
Preferably, the interior permanent magnetic strip and the outer permanent magnetic strip are arc, the inner wall and the core of the interior permanent magnetic strip
The corresponding fitting of the outer wall of axis frame, the fitting corresponding with the inner wall of the intermediate sleeve of the outer wall of the interior permanent magnetic strip；The outer permanent magnetic strip
Inner wall fitting corresponding with the outer wall of the rotor magnet frame, the outer wall of the outer permanent magnetic strip is corresponding with the inner wall of the turbine rotor
Fitting.
Preferably, the elongated end of first pillar with the inner wall of the intermediate sleeve is corresponding contacts；Second pillar
Elongated end with the inner wall of the turbine rotor is corresponding contacts；The turbine rotor outer wall is provided with multiple turbine leafs along its circumferential direction
Piece, the turbo blade project radially outward extension, the elongated end of the turbo blade and the stator along the turbine rotor
The inner wall of air deflector, which contacts, to be fixed.
Preferably, the generator unit includes coaxial with the mandrel and sets gradually along the direction far from the mandrel
Collet, magnetic cell, coil, pedestal and fixing head, described this element includes disk and magnetic patch, and the disk is circumferentially arranged along it
There are multiple mounting grooves, the mounting groove runs through the disk on the disk axis direction, and the magnetic patch is arranged in the peace
In tankage.
Preferably, this only has coaxial fixation hole on the collet, the mandrel pass through the fixation hole with it is described
Collet is fixedly connected；Side of the collet far from the mandrel is fixedly connected with the magnetic cell；The magnetic cell is far from institute
The one end and the coil for stating collet are separated by a certain distance.
Preferably, the coil is fixedly connected with the base far from one end of the magnetic cell, and the pedestal is far from institute
The one end for stating coil is fixedly connected with the fixing head.
Preferably, the power coil module further includes the protective case for being set in the generator unit periphery, the protection
The fitting corresponding with the inner wall of the stator air deflector of the outer wall of set.
The object of the invention is also to provide a kind of nearly drill bit connector for logging while drilling, the connector for logging while drilling includes close bores
Head pipe nipple and the measurement electronic module and transmitting antenna being arranged in the nearly drill bit pup joint；It is also set up in the nearly drill bit pup joint
The nearly drill bit self-powered mud turbine generator any just like the claims 1 to 9, the fixing head of the generator with
The measurement electronic module is connected, and the measurement electronic module is connected with the transmitting antenna.
The beneficial effects of the present invention are: 1, magnetic engagement module is using the strong permanent magnet material that can transmit high magnetic torque, by its at
Type is interior permanent magnetic strip and outer permanent magnetic strip is embedded in respectively in rotor magnet frame and mandrel frame, and magnetic engagement is symmetrical using multipair magnetic stripe circumference
Distribution, outside, including mandrel frame, and there are certain radial air gap, magnetic stripe is shaped to sector to rotor magnet frame, and transmission both can be improved
Torque, and instrument axial dimension can be shortened.2, power coil module axially arranges that magnetic patch and coil are side by side using disk and coil
Distribution, there are certain interval, such structure can effectively shorten instrument radial dimension for centre.3, pass through transmission between collet and mandrel
Nut is connected, and avoids the problem excessively high using concentricity processing request caused by integral structure.4, the structure of magnetic engagement avoids
Part is directly contacted and is rigidly connected, and solves the problems, such as sealing and abrasion, and compact-sized, reliable operation.
Detailed description of the invention
Fig. 1 is the sectional view of generator magnetic engagement module in the embodiment of the present invention；
Fig. 2 is the cross-sectional view of electrical power generators coil module in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of connector for logging while drilling in the embodiment of the present invention.
In figure, 1, mandrel；2, mandrel frame；3, the first pillar；4, interior permanent magnetic strip；5, intermediate sleeve；6, rotor magnet frame；7, second
Pillar；8, outer permanent magnetic strip；9, turbine rotor；10, turbo blade；11, collet；12, disk；13, magnetic patch；14, coil；15, bottom
Seat；16, fixing head；17, protective case；18, stator air deflector；19, motor；20, nearly drill bit pup joint；21, electronic module is measured；
22, transmitting antenna；23, drill bit；24, screw rod.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.It should be appreciated that the specific embodiments described herein are only used to explain the present invention, it is not used to
Limit the present invention.
As shown in Fig. 1 to 2, the present invention provides a kind of nearly drill bit self-powered mud turbine generator, the generators 19
Including
Magnetic engagement module；Including mandrel 1, the interior magnetic cell that is set in 1 periphery of mandrel, it is set in the inside cell
The outer magnetic cell of periphery and the turbine rotor 9 for being set in the outer magnetic cell periphery；
14 module of power coil including the generator unit being connected with the mandrel 1 and is set in the generator unit periphery
Stator air deflector 18.
In the present embodiment, the interior magnetic cell includes being set in the mandrel frame 2 of 1 periphery of mandrel and being fastened on the core
Multiple interior permanent magnetic strips 4 between axis frame 2 and the outer magnetic cell, the mandrel frame 2 is cylindrical, on 2 outer wall of mandrel frame
Its circumferential direction is provided with multiple first pillars 3, each first pillar 3 projects radially outward extension, phase along the mandrel frame 2
An interior permanent magnetic strip 4 is provided between adjacent two first pillars 3.
In the present embodiment, first pillar 3 extends along direction width and is gradually increased, and the interior permanent magnetic strip 4 can be consolidated
Dingan County is respectively set mounted in 2 periphery of mandrel frame or the two, make interior permanent magnetic strip 4 be clamped in the mandrel frame 2 with it is described
Between outer magnetic cell.
In the present embodiment, first pillar 3 is arranged along the 2 periphery uniform intervals of mandrel frame, first pillar 3
Number is 4.Arc length between the arc length of the interior permanent magnetic strip 4 and two adjacent first pillars 3 is equal, and interior permanent magnetic strip 4 is enabled to clamp
Between two adjacent first pillars 3.
In the present embodiment, the magnetic engagement module further includes the intermediate sleeve 5 for being set in 2 periphery of mandrel frame, it is described in
Between set it is 5 cylindrical, the outer magnetic cell is set in 5 periphery of intermediate sleeve, and the outer magnetic cell includes being set in described
Between cover 5 peripheries rotor magnet frame 6 and card and the outer permanent magnetic strip 8 between the rotor magnet frame 6 and the turbine rotor 9, it is described
Rotor magnet frame 6 is cylindrical, its circumferential direction is provided with multiple second pillars 7 on 6 outer wall of rotor magnet frame, and each described second is convex
Column 7 is provided with an outer permanent magnetic strip 8 between adjacent two second pillar 7 along the extension that projects radially outward of the rotor magnet frame 6.
In the present embodiment, second pillar 7 extends along direction width and is gradually increased, and the outer magnetic stripe can fix peace
Be respectively set mounted in 6 periphery of rotor magnet frame or the two, make outer permanent magnetic strip 8 be clamped in the rotor magnet frame 6 with it is described
Between turbine rotor 9.
In the present embodiment, second pillar 7 is arranged along the 6 periphery uniform intervals of rotor magnet frame, second pillar 7
Number be 4, first pillar 3 is correspondingly arranged with second pillar 7.The arc length of the outer permanent magnetic strip 8 is adjacent with two
Arc length between second pillar 7 is equal, and outer permanent magnetic strip 8 is enabled to be clamped between two adjacent second pillars 7.
In the present embodiment, the interior permanent magnetic strip 4 and the outer permanent magnetic strip 8 are arc, the inner wall of the interior permanent magnetic strip 4 with
The corresponding fitting of the outer wall of the mandrel frame 2, the fitting corresponding with the inner wall of the intermediate sleeve 5 of the outer wall of the interior permanent magnetic strip 4；It is described
The fitting corresponding with the outer wall of the rotor magnet frame 6 of the inner wall of outer permanent magnetic strip 8, the outer wall and the turbine of the outer permanent magnetic strip 8 turn
The corresponding fitting of the inner wall of son 9.
In the present embodiment, the elongated end of first pillar 3 with the inner wall of the intermediate sleeve 5 is corresponding contacts；Described second
The elongated end of pillar 7 with the inner wall of the turbine rotor 9 is corresponding contacts；9 outer wall of turbine rotor is provided with more along its circumferential direction
A turbo blade 10, the turbo blade 10 project radially outward extension along the turbine rotor 9, and the turbo blade 10 prolongs
It stretches end and contacts fixation with the inner wall of the stator air deflector 18.
In the present embodiment, the generator unit include it is coaxial with the mandrel 1 and along far from the mandrel 1 direction according to
Collet 11, magnetic cell, coil 14, pedestal 15 and the fixing head 16 of secondary setting, described this element include disk 12 and magnetic patch 13, institute
It states disk 12 and its circumferential direction is provided with multiple mounting grooves, the mounting groove runs through the disk on 12 axis direction of disk
12, the magnetic patch 13 is arranged in the mounting groove.
In the present embodiment, the mounting groove is circumferentially uniformly arranged along the disk 12, is separated by between adjacent two disk 12
Angle is identical.
In the present embodiment, this only has coaxial fixation hole on the collet 11, and the mandrel 1 passes through the fixation hole
It is fixedly connected with the collet 11；The collet 11 is fixedly connected far from the side of the mandrel 1 with the magnetic cell；The magnetic
The one end of unit far from the collet 11 is separated by a certain distance with the coil 14.
In the present embodiment, the one end of the coil 14 far from the magnetic cell is fixedly connected with the pedestal 15, the bottom
15 one end far from the coil 14 of seat are fixedly connected with the fixing head 16.
In the present embodiment, 14 module of power coil further includes the protective case 17 for being set in the generator unit periphery,
The fitting corresponding with the inner wall of the stator air deflector 18 of the outer wall of the protective case 17.
In the present embodiment, in the present embodiment, drilling fluid, with fixed displacement flowing, is led in hydrophthalmia by stator air deflector 18
Stream, pushes 9 high-speed rotation of turbine rotor, and turbine rotor 9 is coupled by pin shaft with rotor magnet frame 6, is turned together with turbine rotor 9
Dynamic, outer permanent magnetic strip 8 is mounted on rotor magnet frame 6, and interior permanent magnetic strip 4 is mounted on mandrel frame 2, due to the effect of magnetic field coupling, in
Between the rotor magnet frame 6 of 5 outside of set drive the internal rotation of mandrel frame 2.
In the present embodiment, the working principle of generator 19 is: turbine rotor 9 is mounted on outside rotor magnet frame 6, turbo blade
10 use constant speed helicoid structure, and the drilling fluid of high flow rate, by the water conservancy diversion of stator air deflector 18, is pushed in water ophthalmic flow
9 high-speed rotation of turbine rotor, by the magnetic engagement in rotor magnet frame 6 and mandrel frame 2 between interior permanent magnet and outer permanent magnet,
Band moving mandrel 1 rotates, and then rotates with it with movable magnetic disc 12,13 cutting magnetic line of magnetic patch being mounted on disk 12, generates electricity
Stream；Turbine rotor 9 and stator air deflector 18 have different size, 9 revolving speed of turbine rotor are adjusted, to adapt to the change of mud displacement
Change.
Embodiment two
As shown in figure 3, the connector for logging while drilling includes close the present invention also provides a kind of nearly drill bit connector for logging while drilling
Drill bit pup joint 20 and the measurement electronic module 21 and transmitting antenna 22 being arranged in the drill bit pup joint 20；The nearly drill bit pup joint
Nearly drill bit self-powered mud turbine generator, the fixing head 16 of the generator 19 and the measurement electronic die are additionally provided in 20
Block 21 is connected, and the measurement electronic module 21 is connected with the transmitting antenna 22.
In the present embodiment, it is provided with hydrophthalmia in the nearly drill bit pup joint 20, generator 19 is mounted in hydrophthalmia；The nearly brill
The both ends of head pipe nipple 20 are connected with drill bit 23 and screw rod 24 respectively, and the nearly drill bit pup joint 20 is close to one end of the generator 19
It is connected with the drill bit 23, the nearly drill bit pup joint 20 is connected close to one end of the transmitting antenna 22 with the screw rod 24.
In the present embodiment, the course of work of the connector for logging while drilling is as follows: in underground work, drilling fluid drives turbine
Generator 19 works, and generates electric current and powers to measurement electronic module 21, data measured is passed through transmitting day by measurement electronic module 21
Line 22 is transmitted to the antenna that receives on 24 top of screw rod, then is passed by mud pulse generator nearly drill bit logger data measured
It is sent on well.
In the present embodiment, mandrel 1 and mandrel frame 2, collet 11 and mandrel 1 are fixed on the magnetic of collet 11 by threaded connection
Disk 12 rotates with it, and the cutting of magnetic patch 13 being mounted on disk 12 is generated by the magnetic line of force formed between coil 14 and magnetic patch 13
Electric current, the conducting wire being welded on coil 14 give electrical energy transportation to measurement electronic module 21 by 19 fixing head 16 of generator.
By using above-mentioned technical proposal disclosed by the invention, following beneficial effect has been obtained:
The present invention provides a kind of nearly drill bit self-powered mud turbine generators and connector for logging while drilling, magnetic engagement module to adopt
With the strong permanent magnet material that can transmit high magnetic torque, be shaped to interior permanent magnetic strip and outer permanent magnetic strip be embedded in respectively rotor magnet frame with
In mandrel frame, magnetic engagement is symmetrical using multipair magnetic stripe circumference, and outside, including mandrel frame, and there are certain for rotor magnet frame
Radial air gap, magnetic stripe are shaped to sector, driving torque not only can be improved, but also can shorten instrument axial dimension；Power coil module is adopted
It is axially arranged with disk and coil, magnetic patch is distributed side by side with coil, intermediate there are certain interval, and such structure can effectively shorten instrument
Device radial dimension；It is connected between collet and mandrel by transmission nut, avoids and processed using concentricity caused by integral structure
It is required that excessively high problem.4, the structure of magnetic engagement avoids part and directly contacts and be rigidly connected, and efficiently solves sealing and mill
The problem of damage, and compact-sized, reliable operation.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
Depending on protection scope of the present invention.
Claims (10)
1. a kind of nearly drill bit self-powered mud turbine generator, it is characterised in that: the generator includes
Magnetic engagement module；Including mandrel, the interior magnetic cell that is set in the mandrel periphery, it is set in the inside cell periphery
Outer magnetic cell and the turbine rotor for being set in the outer magnetic cell periphery；
Power coil module is led including the generator unit being connected with the mandrel and the stator for being set in the generator unit periphery
Device is flowed, the stator air deflector is connected with the turbine rotor.
2. nearly drill bit self-powered mud turbine generator according to claim 1, it is characterised in that: the interior magnetic cell packet
The multiple interior permanent magnetism for including the mandrel frame for being set in the mandrel periphery and being fastened between the mandrel frame and the outer magnetic cell
Item, the mandrel frame is cylindrical, its circumferential direction is provided with multiple first pillars on the mandrel outer frame wall, and each described first is convex
Column is provided with an interior permanent magnetic strip between adjacent two first pillar along the extension that projects radially outward of the mandrel frame.
3. nearly drill bit self-powered mud turbine generator according to claim 2, it is characterised in that: the magnetic engagement module
It further include the intermediate sleeve for being set in the mandrel outer frame week, the intermediate sleeve is cylindrical, and the outer magnetic cell is set in described
Intermediate sleeve periphery, the outer magnetic cell include being set in the rotor magnet frame of the intermediate sleeve periphery with card and in the rotor magnet frame
Outer permanent magnetic strip between the turbine rotor, the rotor magnet frame is cylindrical, along its circumferential direction on the rotor magnet frame outer wall
Be provided with multiple second pillars, each second pillar along the rotor magnet frame the extension that projects radially outward, adjacent two second
An outer permanent magnetic strip is provided between pillar.
4. nearly drill bit self-powered mud turbine generator according to claim 2 or 3, it is characterised in that: the interior permanent magnetism
Item and the outer permanent magnetic strip are arc, the fitting corresponding with the outer wall of the mandrel frame of the inner wall of the interior permanent magnetic strip, described interior
The fitting corresponding with the inner wall of the intermediate sleeve of the outer wall of permanent magnetic strip；The outer wall of the inner wall of the outer permanent magnetic strip and the rotor magnet frame
Corresponding fitting, the fitting corresponding with the inner wall of the turbine rotor of the outer wall of the outer permanent magnetic strip.
5. nearly drill bit self-powered mud turbine generator according to claim 2 or 3, it is characterised in that: described first is convex
The elongated end of column with the inner wall of the intermediate sleeve is corresponding contacts；The elongated end of second pillar and the inner wall of the turbine rotor
Corresponding contact；The turbine rotor outer wall is provided with multiple turbo blades along its circumferential direction, and the turbo blade turns along the turbine
Son projects radially outward extension, and the elongated end of the turbo blade contacts fixation with the inner wall of the stator air deflector.
6. nearly drill bit self-powered mud turbine generator according to claim 1, it is characterised in that: the generator unit packet
Include collet, magnetic cell, coil, pedestal and fixation coaxial with the mandrel and set gradually along the direction far from the mandrel
Head, described this element include disk and magnetic patch, and the disk is provided with multiple mounting grooves along its circumferential direction, and the mounting groove is described
Run through the disk on disk axis direction, the magnetic patch is arranged in the mounting groove.
7. nearly drill bit self-powered mud turbine generator according to claim 6, it is characterised in that: on the collet this
There is coaxial fixation hole, the mandrel passes through the fixation hole and is fixedly connected with the collet；The collet is far from described
The side of mandrel is fixedly connected with the magnetic cell；The one end of the magnetic cell far from the collet is with the coil at a distance of certain
Distance.
8. nearly drill bit self-powered mud turbine generator according to claim 7, it is characterised in that: the coil is far from institute
The one end for stating magnetic cell is fixedly connected with the base, the one end of the pedestal far from the coil and the fixed company of the fixing head
It connects.
9. nearly drill bit self-powered mud turbine generator according to claim 1, it is characterised in that: the power coil mould
Block further includes the protective case for being set in the generator unit periphery, the inner wall of the outer wall of the protective case and the stator air deflector
Corresponding fitting.
10. a kind of nearly drill bit connector for logging while drilling, the connector for logging while drilling includes nearly drill bit pup joint and is arranged in the nearly brill
Measurement electronic module and transmitting antenna in head pipe nipple；It is characterized by: being additionally provided in the nearly drill bit pup joint such as above-mentioned power
Benefit requires 1 to 9 any nearly drill bit self-powered mud turbine generator, the fixing head of the generator and measurement electricity
Submodule is connected, and the measurement electronic module is connected with the transmitting antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552438.3A CN110242484A (en) | 2019-06-25 | 2019-06-25 | A kind of nearly drill bit self-powered mud turbine generator and connector for logging while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552438.3A CN110242484A (en) | 2019-06-25 | 2019-06-25 | A kind of nearly drill bit self-powered mud turbine generator and connector for logging while drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110242484A true CN110242484A (en) | 2019-09-17 |
Family
ID=67889276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910552438.3A Pending CN110242484A (en) | 2019-06-25 | 2019-06-25 | A kind of nearly drill bit self-powered mud turbine generator and connector for logging while drilling |
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| CN (1) | CN110242484A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058778A (en) * | 2019-11-07 | 2020-04-24 | 西安石油大学 | Self-generating wireless signal transmission nipple |
| CN112787407A (en) * | 2019-11-11 | 2021-05-11 | 中国石油天然气集团有限公司 | Underground rotary non-contact power supply and signal transmission magnetic mechanism |
| CN113482606A (en) * | 2021-05-14 | 2021-10-08 | 西南石油大学 | Underground signal receiving and transmitting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201013526Y (en) * | 2007-03-01 | 2008-01-30 | 中国海洋石油总公司 | Down-hole turbogenerator |
| US20080179093A1 (en) * | 2007-01-25 | 2008-07-31 | David John Kusko | Measurement while drilling pulser with turbine power generation unit |
| CN101289935A (en) * | 2008-06-11 | 2008-10-22 | 中国石油集团钻井工程技术研究院 | Near-bit geological guiding probe system |
| CN202756166U (en) * | 2012-06-07 | 2013-02-27 | 中国石油天然气集团公司 | Underground generator for drilling instrument |
| CN106411095A (en) * | 2016-11-30 | 2017-02-15 | 北京蒙德纳科技发展有限公司 | Power supply system of wireless drilling inclinometer underground instrument |
| CN206211822U (en) * | 2016-11-30 | 2017-05-31 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of turbogenerator transmission device |
| CN210564879U (en) * | 2019-06-25 | 2020-05-19 | 北京恒泰万博石油技术股份有限公司 | Near-bit self-powered mud turbine generator and logging-while-drilling instrument |
-
2019
- 2019-06-25 CN CN201910552438.3A patent/CN110242484A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080179093A1 (en) * | 2007-01-25 | 2008-07-31 | David John Kusko | Measurement while drilling pulser with turbine power generation unit |
| CN201013526Y (en) * | 2007-03-01 | 2008-01-30 | 中国海洋石油总公司 | Down-hole turbogenerator |
| CN101289935A (en) * | 2008-06-11 | 2008-10-22 | 中国石油集团钻井工程技术研究院 | Near-bit geological guiding probe system |
| CN202756166U (en) * | 2012-06-07 | 2013-02-27 | 中国石油天然气集团公司 | Underground generator for drilling instrument |
| CN106411095A (en) * | 2016-11-30 | 2017-02-15 | 北京蒙德纳科技发展有限公司 | Power supply system of wireless drilling inclinometer underground instrument |
| CN206211822U (en) * | 2016-11-30 | 2017-05-31 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of turbogenerator transmission device |
| CN210564879U (en) * | 2019-06-25 | 2020-05-19 | 北京恒泰万博石油技术股份有限公司 | Near-bit self-powered mud turbine generator and logging-while-drilling instrument |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058778A (en) * | 2019-11-07 | 2020-04-24 | 西安石油大学 | Self-generating wireless signal transmission nipple |
| CN112787407A (en) * | 2019-11-11 | 2021-05-11 | 中国石油天然气集团有限公司 | Underground rotary non-contact power supply and signal transmission magnetic mechanism |
| CN112787407B (en) * | 2019-11-11 | 2022-05-06 | 中国石油天然气集团有限公司 | Underground rotary non-contact power supply and signal transmission magnetic mechanism |
| CN113482606A (en) * | 2021-05-14 | 2021-10-08 | 西南石油大学 | Underground signal receiving and transmitting device |
| CN113482606B (en) * | 2021-05-14 | 2023-09-22 | 西南石油大学 | Underground signal receiving and transmitting device |
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