CN106761581A - A kind of switched reluctance machines direct-drive type extracting device of oil - Google Patents
A kind of switched reluctance machines direct-drive type extracting device of oil Download PDFInfo
- Publication number
- CN106761581A CN106761581A CN201710067068.5A CN201710067068A CN106761581A CN 106761581 A CN106761581 A CN 106761581A CN 201710067068 A CN201710067068 A CN 201710067068A CN 106761581 A CN106761581 A CN 106761581A
- Authority
- CN
- China
- Prior art keywords
- oil
- switched reluctance
- reluctance machines
- main pipeline
- drive type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000011084 recovery Methods 0.000 claims description 41
- 230000008878 coupling Effects 0.000 claims description 27
- 238000010168 coupling process Methods 0.000 claims description 27
- 238000005859 coupling reaction Methods 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 23
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 5
- 239000011435 rock Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 6
- 239000003129 oil well Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
Abstract
The present invention provides a kind of switched reluctance machines direct-drive type extracting device of oil, including rotary shaft, supporting box, screen pack, revolving scraper, contiguous block, inner ring, outer shroud and spring, supporting box positioned inside has screen pack, screen pack lower end is provided with revolving scraper, revolving scraper is installed on the rotating shaft, revolving scraper and rotary shaft are all positioned in inside supporting box, the design can prevent screen pack from blocking, contiguous block symmetrical placement is at outer shroud or so two ends, two or more spring is installed on outer shroud inwall, two or more spring is assemblied in inner ring outer end, inner ring is connected by spring with outer shroud, the design is capable of achieving the function of anti-rock, the present invention is easy to use, it is easy to operation, good stability, reliability is high, service life is added.
Description
Technical field
The present invention is a kind of switched reluctance machines direct-drive type extracting device of oil, belongs to direct-drive type oil recovery machiner apparatus field.
Background technology
Switched reluctance machines are a kind of new bunchers, and governing system has direct current concurrently, exchanges the excellent of two class governing systems
Point, is the latest generation stepless time adjustment system after frequency conversion speed-adjusting system, Speed Regulating System of Brushless DC Motor.In the prior art will
Switched reluctance machines are placed in oil-submersible screw-pump oil production system bottommost, and screw pump is placed in top, and the submersible electric machine with oil of underground passes through
Decelerator directly by shaft coupling drives screw pump rotor to rotate, and this technology eliminates sucker rod, taken in oil recovery field
Obtained certain progress.
Anti-wobble mechanism is not provided with existing switched reluctance machines direct-drive type extracting device of oil, when being recovered the oil, is adopted
Oily main pipeline is easily produced and rocked, and causes oil recovery main pipeline to be collided with oil well side wall, and oil recovery main pipeline is caused damage, and is subtracted
The service life of small oil recovery main pipeline, additionally, existing switched reluctance machines direct-drive type extracting device of oil is when being recovered the oil, in oil
Contained solid sundries are easily deposited on screen pack, cause screen pack to block, and influence is recovered the oil.
The content of the invention
In view of the shortcomings of the prior art, recovered the oil it is an object of the present invention to provide a kind of switched reluctance machines direct-drive type and filled
Put, to solve the problems, such as to be proposed in above-mentioned background technology, the present invention is easy to use, is easy to operation, and good stability, reliability is high,
Service life is added.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of switched reluctance machines are straight
Drive formula extracting device of oil, including agent structure, filter mechanism and anti-wobble mechanism, the agent structure include that pipeline connects machine
Structure, oil recovery main pipeline, connecting rod, shaft coupling, screw pump, switched reluctance machines and protective cover, under the Pipe couplings
End is provided with oil recovery main pipeline, and the oil recovery main pipeline positioned inside has connecting rod, and the connecting rod lower end is provided with protective cover,
The protective cover is arranged on inside oil recovery main pipeline, and the oil recovery main pipeline is connected by connecting rod with protective cover, the guarantor
Shield positioned inside has switched reluctance machines, and the switched reluctance machines lower end is provided with shaft coupling, and the shaft coupling is arranged on
Inside protective cover, the oil recovery main pipeline lower end is mounted with screw pump, and the shaft coupling passes through protective cover lower end and screw pump phase
Connection, the screw pump lower end is provided with filter mechanism, the filter mechanism include rotary shaft, supporting box, screen pack and
Revolving scraper, the supporting box is arranged on screw pump lower end, and the supporting box positioned inside has screen pack, the screen pack
Lower end is provided with revolving scraper, and the revolving scraper is installed on the rotating shaft, and the revolving scraper and rotary shaft are all positioned in branch
Support box house, the revolving scraper is connected by rotary shaft with supporting box, and the anti-wobble mechanism includes contiguous block, interior
Ring, outer shroud and spring, the contiguous block are provided with two, and the contiguous block symmetrical placement is at outer shroud or so two ends, the spring
Two or more is provided with, spring described in two or more is installed on outer shroud inwall, and spring is assemblied in inner ring described in two or more
Outer end, the inner ring is connected by spring with outer shroud, and the inner ring is arranged on oil recovery main pipeline.
Further, the Pipe couplings are connected by pipeline with fuel reserve tank.
Further, the protective cover lower end is mounted with oil pipe rigid centralizer, and oil pipe rigid centralizer is arranged on and adopts
Inside oily main pipeline.
Further, connected by flange between the switched reluctance machines and shaft coupling.
Further, the rotary shaft is connected by bearing with supporting box.
Further, the contiguous block is connected by bolt with ground.
Beneficial effects of the present invention：A kind of switched reluctance machines direct-drive type extracting device of oil of the invention, the present invention is by increasing
Plus rotary shaft, supporting box, screen pack and revolving scraper, the design scraped is deposited in the solid sundries on screen pack, anti-
Only screen pack is blocked, it is ensured that is recovered the oil smooth, is solved existing switched reluctance machines direct-drive type extracting device of oil and adopted
When oily, contained solid sundries are easily deposited on screen pack in oil, cause screen pack to block, and influence the disadvantage recovered the oil
End.
The present invention is capable of achieving anti-rock because increasing contiguous block, inner ring, outer shroud and spring, the design, it is to avoid recover the oil supervisor
Road collides with oil well side wall, extends the service life of oil recovery main pipeline, solves existing switched reluctance machines and directly drives
Anti-wobble mechanism is not provided with formula extracting device of oil, when being recovered the oil, oil recovery main pipeline is easily produced and rocked, causes to recover the oil and lead
Pipeline is collided with oil well side wall, and oil recovery main pipeline is caused damage, and reduces the problem of the service life of oil recovery main pipeline.
Because increase fuel reserve tank, the design can oil in reserve, because increase oil pipe rigid centralizer, the design improve oil recovery supervisor
The intensity in road, because increasing bearing, the design can provide support for rotary shaft, and because increasing bolt, the design makes contiguous block and ground
Connection fastening, the present invention is easy to use, is easy to operation, and good stability, reliability is high, has added service life.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of switched reluctance machines direct-drive type extracting device of oil of the invention；
Fig. 2 is the structural representation of filter mechanism in a kind of switched reluctance machines direct-drive type extracting device of oil of the invention；
Fig. 3 is the structural representation of anti-wobble mechanism in a kind of switched reluctance machines direct-drive type extracting device of oil of the invention；
In figure：1- Pipe couplings, 2- oil recoveries main pipeline, 3- connecting rods, 4- shaft couplings, 5- filter mechanisms, 6- screw pumps, 7-
Switched reluctance machines, 8- protective covers, 9- anti-wobble mechanisms, 10- rotary shafts, 11- supporting box, 12- screen packs, 13- rotations are scraped
Knife, 14- contiguous blocks, 15- inner ring, 16- outer shrouds, 17- springs.
Specific embodiment
For technological means, creation characteristic, reached purpose and effect for making present invention realization are easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
Fig. 1-Fig. 3 is referred to, the present invention provides a kind of technical scheme：A kind of switched reluctance machines direct-drive type extracting device of oil,
Including agent structure, filter mechanism 5 and anti-wobble mechanism 9, agent structure include Pipe couplings 1, oil recovery main pipeline 2,
Connecting rod 3, shaft coupling 4, screw pump 6, switched reluctance machines 7 and protective cover 8, the lower end of Pipe couplings 1 are provided with oil recovery
Main pipeline 2, the positioned inside of oil recovery main pipeline 2 has connecting rod 3, and the lower end of connecting rod 3 is provided with protective cover 8, and protective cover 8 is arranged on and adopts
Inside oily main pipeline 2, oil recovery main pipeline 2 is connected by connecting rod 3 with protective cover 8, and the positioned inside of protective cover 8 has switching magnetic-resistance
Motor 7, the lower end of switched reluctance machines 7 is provided with shaft coupling 4, and shaft coupling 4 is arranged on inside protective cover 8, the lower end of oil recovery main pipeline 2
Screw pump 6 is mounted with, shaft coupling 4 is connected through the lower end of protective cover 8 with screw pump 6, and the lower end of screw pump 6 is provided with filter mechanism
5。
Filter mechanism 5 includes rotary shaft 10, supporting box 11, screen pack 12 and revolving scraper 13, and supporting box 11 is pacified
Mounted in the lower end of screw pump 6, the positioned inside of supporting box 11 has screen pack 12, and the lower end of screen pack 12 is provided with revolving scraper 13, rotation
Turn scraper 13 in rotary shaft 10, revolving scraper 13 and rotary shaft 10 are all positioned in inside supporting box 11, revolving scraper
13 are connected by rotary shaft 10 with supporting box 11, and the design can prevent screen pack 12 from blocking.
Anti-wobble mechanism 9 includes contiguous block 14, inner ring 15, outer shroud 16 and spring 17, and contiguous block 14 is provided with two, connection
The symmetrical placement of block 14 is provided with two or more in the two ends of outer shroud 16 or so, spring 17, and two or more spring 17 is installed in outer shroud 16
On inwall, two or more spring 17 is assemblied in the outer end of inner ring 15, and inner ring 15 is connected by spring 17 with outer shroud 16, inner ring 15
On oil recovery main pipeline 2, the design is capable of achieving the function of anti-rock.
Pipe couplings 1 are connected by pipeline with fuel reserve tank, and the lower end of protective cover 8 is mounted with oil pipe rigid centralizer,
And oil pipe rigid centralizer is arranged on inside oil recovery main pipeline 2, connected by flange between switched reluctance machines 7 and shaft coupling 4,
Rotary shaft 10 is connected by bearing with supporting box 11, and contiguous block 14 is connected by bolt with ground.
Specific embodiment：Staff opens switched reluctance machines 7, and the work of switched reluctance machines 7 drives 4 turns of shaft coupling
Dynamic, shaft coupling 4 is rotated and drives screw pump 6 to rotate, and screw pump 6 is rotated and produces suction, and the oil in oil well is made in the suction of screw pump 6
With in lower entrance supporting box 11, oil enters in screw pump 6 through screen pack 12, and the solid sundries in oil are intercepted at screen pack
12 lower surfaces, while oil flowing drives revolving scraper 13 to rotate, revolving scraper 13 is rotated to being attached to the lower surface of screen pack 12
Solid sundries are struck off, and the design solves existing switched reluctance machines direct-drive type extracting device of oil when being recovered the oil, oil
In contained solid sundries be easily deposited on screen pack, cause screen pack to block, the drawbacks of influence is recovered the oil.
During oil enters oil recovery main pipeline 2 in the presence of screw pump 6, enter pipeline then along oil recovery main pipeline 2 and connect
In mechanism 1, and entered in fuel reserve tank by pipeline, the design is capable of achieving to recover the oil, during being recovered the oil using the present invention,
Oil recovery main pipeline 2 is inevitably produced and rocked, and when oil recovery main pipeline 2 is produced to be rocked, inner ring 15 can be responsible for recovering the oil
Road 2 is rocked, and inner ring 15 is rocked and realizes that spring 17 is compressed or is stretched, and spring 17 compresses or stretch generation elastic force, spring
17 elastic force for producing offset the rolling power that inner ring 15 is subject to, and inner ring 15 returns to initial stable state, while oil recovery main pipeline 2 is received
The rolling power for arriving reduces, and returns to initial stable state, and the design is solved when being recovered the oil, and oil recovery main pipeline is easily produced
Rock, cause oil recovery main pipeline to be collided with oil well side wall, oil recovery main pipeline is caused damage, reduce making for oil recovery main pipeline
With the problem in life-span.
General principle of the invention and principal character and advantages of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from it is of the invention spirit or
In the case of essential characteristic, the present invention can be in other specific forms realized.Therefore, no matter from the point of view of which point, all should be by
Embodiment regards exemplary as, and is nonrestrictive, and the scope of the present invention is by appended claims rather than above stating
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (6)
1. a kind of switched reluctance machines direct-drive type extracting device of oil, including agent structure, filter mechanism（5）And anti-wobble mechanism
（9）, it is characterised in that：The agent structure includes Pipe couplings（1）, oil recovery main pipeline（2）, connecting rod（3）, shaft coupling
（4）, screw pump（6）, switched reluctance machines（7）And protective cover（8）, the Pipe couplings（1）Lower end is provided with oil recovery
Main pipeline（2）, the oil recovery main pipeline（2）Positioned inside has connecting rod（3）, the connecting rod（3）Lower end is provided with protective cover
（8）, the protective cover（8）Installed in oil recovery main pipeline（2）Inside, the oil recovery main pipeline（2）By connecting rod（3）With protection
Cover（8）It is connected, the protective cover（8）Positioned inside has switched reluctance machines（7）, the switched reluctance machines（7）Lower end sets
It is equipped with shaft coupling（4）, the shaft coupling（4）Installed in protective cover（8）Inside, the oil recovery main pipeline（2）Lower end is mounted with spiral shell
Bar pump（6）, the shaft coupling（4）Through protective cover（8）Lower end and screw pump（6）It is connected, the screw pump（6）Lower end is set
There is filter mechanism（5）；
The filter mechanism（5）Including rotary shaft（10）, supporting box（11）, screen pack（12）And revolving scraper（13）, institute
State supporting box（11）Installed in screw pump（6）Lower end, the supporting box（11）Positioned inside has screen pack（12）, the mistake
Filter screen（12）Lower end is provided with revolving scraper（13）, the revolving scraper（13）Installed in rotary shaft（10）On, the rotation is scraped
Knife（13）And rotary shaft（10）It is all positioned in supporting box（11）Inside, the revolving scraper（13）By rotary shaft（10）With branch
Support casing（11）It is connected；
The anti-wobble mechanism（9）Including contiguous block（14）, inner ring（15）, outer shroud（16）And spring（17）, the contiguous block
（14）It is provided with two, the contiguous block（14）Symmetrical placement is in outer shroud（16）Left and right two ends, the spring（17）Be provided with two with
On, spring described in two or more（17）It is installed in outer shroud（16）On inwall, spring described in two or more（17）In being assemblied in
Ring（15）Outer end, the inner ring（15）By spring（17）With outer shroud（16）It is connected, the inner ring（15）Led installed in recovering the oil
Pipeline（2）On.
2. a kind of switched reluctance machines direct-drive type extracting device of oil according to claim 1, it is characterised in that：The pipeline connects
Connection mechanism（1）It is connected with fuel reserve tank by pipeline.
3. a kind of switched reluctance machines direct-drive type extracting device of oil according to claim 1, it is characterised in that：The protective cover
（8）Lower end is mounted with oil pipe rigid centralizer, and oil pipe rigid centralizer is arranged on oil recovery main pipeline（2）It is internal.
4. a kind of switched reluctance machines direct-drive type extracting device of oil according to claim 1, it is characterised in that：The switch magnetic
Resistance motor（7）With shaft coupling（4）Between by flange connect.
5. a kind of switched reluctance machines direct-drive type extracting device of oil according to claim 1, it is characterised in that：The rotary shaft
（10）By bearing and supporting box（11）It is connected.
6. a kind of switched reluctance machines direct-drive type extracting device of oil according to claim 1, it is characterised in that：The contiguous block
（14）It is connected with ground by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067068.5A CN106761581B (en) | 2017-02-07 | 2017-02-07 | A kind of switched reluctance machines direct-drive type extracting device of oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067068.5A CN106761581B (en) | 2017-02-07 | 2017-02-07 | A kind of switched reluctance machines direct-drive type extracting device of oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761581A true CN106761581A (en) | 2017-05-31 |
| CN106761581B CN106761581B (en) | 2019-07-12 |
Family
ID=58956104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710067068.5A Active CN106761581B (en) | 2017-02-07 | 2017-02-07 | A kind of switched reluctance machines direct-drive type extracting device of oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761581B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958290A (en) * | 2021-10-27 | 2022-01-21 | 正弦科技有限公司 | Vertical switched reluctance motor directly drives oil production device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2143671Y (en) * | 1992-08-18 | 1993-10-13 | 辽河石油勘探局茨榆坨采油厂 | Righting device for air injection well mouth |
| CN2642992Y (en) * | 2003-08-22 | 2004-09-22 | 胡秀忠 | Oil extraction device of energy-saving plunger type submersible electric pump |
| WO2009151850A1 (en) * | 2008-05-12 | 2009-12-17 | Wellbore Energy Systems, Llc | Downhole filter tool |
| CN204754886U (en) * | 2015-07-10 | 2015-11-11 | 中国石油天然气股份有限公司 | Submersible motor overhead directly drives formula screw pump oil production device |
| CN105840145A (en) * | 2015-01-13 | 2016-08-10 | 中国石油天然气股份有限公司 | Switched reluctance motor direct-driven oil extraction device |
-
2017
- 2017-02-07 CN CN201710067068.5A patent/CN106761581B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2143671Y (en) * | 1992-08-18 | 1993-10-13 | 辽河石油勘探局茨榆坨采油厂 | Righting device for air injection well mouth |
| CN2642992Y (en) * | 2003-08-22 | 2004-09-22 | 胡秀忠 | Oil extraction device of energy-saving plunger type submersible electric pump |
| WO2009151850A1 (en) * | 2008-05-12 | 2009-12-17 | Wellbore Energy Systems, Llc | Downhole filter tool |
| CN105840145A (en) * | 2015-01-13 | 2016-08-10 | 中国石油天然气股份有限公司 | Switched reluctance motor direct-driven oil extraction device |
| CN204754886U (en) * | 2015-07-10 | 2015-11-11 | 中国石油天然气股份有限公司 | Submersible motor overhead directly drives formula screw pump oil production device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958290A (en) * | 2021-10-27 | 2022-01-21 | 正弦科技有限公司 | Vertical switched reluctance motor directly drives oil production device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761581B (en) | 2019-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206830529U (en) | A kind of low noise type sewage pump | |
| CN104209298A (en) | Highly-efficient vertical thread end sucker machine | |
| CN106761581A (en) | A kind of switched reluctance machines direct-drive type extracting device of oil | |
| CN108894789B (en) | Telescopic rotary joint | |
| CN104481463A (en) | Rotating tube driving screw pump oil production device and application method | |
| CN203926053U (en) | A kind of ecological revetment submersible pump | |
| CN202017526U (en) | Mine underground draining device | |
| CN204266911U (en) | Reacting cycle vertical shaft transmission diving drill machine | |
| CN204200458U (en) | Positive displacement charging turbine motor | |
| CN205260281U (en) | Oil extracting working pump | |
| CN210530808U (en) | Underground driven ball screw oil pumping machine | |
| CN209323551U (en) | Take native stage apparatus | |
| CN219513885U (en) | Sand-proof protector for submersible motor | |
| CN203879739U (en) | Directly driven submersible electric screw pump | |
| CN206000744U (en) | A kind of multistage submersible electric pump with check-valves for outlet | |
| CN208105776U (en) | A kind of wiring duct fly-cutting equipment | |
| CN202560659U (en) | Scale prevention separator of centrifugal pump | |
| CN207777248U (en) | A kind of centrifugal pump with protective device | |
| CN207869716U (en) | A kind of path bamboo shoots excavation forwarder | |
| CN206234136U (en) | Oil exploitation oil well pump | |
| CN104074464B (en) | Super large caliber rig discharging machine header structure | |
| CN112268021A (en) | Anti-blocking device for water faucet of mine water pump | |
| CN207393403U (en) | A kind of magnetic suspension electric submersible piston pump | |
| CN205595742U (en) | Dig rig unit head power transmission device soon | |
| CN207740192U (en) | A kind of self-positioning immersible pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190131 Address after: 450000 room C260, 1 tower, 96, Ruida Road, Zhengzhou high tech Industrial Development Zone, Henan Applicant after: Zhengzhou search information technology Co., Ltd. Address before: 242000 Science and Technology Park, Xuancheng Economic and Technological Development Zone, Anhui Province Applicant before: Anhui Zhejiang techrich innovative energy technology Co Ltd |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190606 Address after: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Applicant after: Anhui Eagle Dragon Industrial Design Co., Ltd. Address before: 450000 room C260, 1 tower, 96, Ruida Road, Zhengzhou high tech Industrial Development Zone, Henan Applicant before: Zhengzhou search information technology Co., Ltd. |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20190619 Address after: 257091 Room 1807, National Engineering Research Center for Oil Production Equipment, 82 Fuqian Street, Dongying District, Shandong Province Applicant after: Shandong Bode Mechanical and Electrical Equipment Co., Ltd. Address before: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Applicant before: Anhui Eagle Dragon Industrial Design Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211130 Address after: 257000 room 171-2, Mingyue Haoting, No. 206, Yihe Road, Dongying District, Dongying City, Shandong Province Patentee after: Shandong Zechen Information Technology Co.,Ltd. Address before: 257091 Room 1807, National Engineering Research Center for Oil Production Equipment, 82 Fuqian Street, Dongying District, Shandong Province Patentee before: Shandong Bode Mechanical and Electrical Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |