CN106014317B - Hydroscillator with cumulative shock-absorbing function - Google Patents
Hydroscillator with cumulative shock-absorbing function Download PDFInfo
- Publication number
- CN106014317B CN106014317B CN201610392685.8A CN201610392685A CN106014317B CN 106014317 B CN106014317 B CN 106014317B CN 201610392685 A CN201610392685 A CN 201610392685A CN 106014317 B CN106014317 B CN 106014317B
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- ring
- assembly
- rectangular seal
- absorbing
- spline
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- 230000001186 cumulative effect Effects 0.000 title claims abstract description 13
- 238000005553 drilling Methods 0.000 claims abstract description 54
- 230000010355 oscillation Effects 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 230000035939 shock Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000010349 pulsation Effects 0.000 claims abstract description 5
- 239000011435 rock Substances 0.000 claims abstract description 5
- 210000002445 nipple Anatomy 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 11
- 230000009514 concussion Effects 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 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
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
Abstract
The present invention relates to a kind of hydroscillators with cumulative shock-absorbing function, are fixedly mounted on nearly bit location, including shock absorption assembly, drive assembly, oscillation assembly.The drive assembly front end installation oscillation assembly, rear end is installed by shock absorption assembly, the vibration that top drilling tool is generated when absorbing oscillator operation using multistage absorbing ring, by connecting, disc spring transmits bit pressure and torque with spline, when drilling fluid flows through diversion pipe, drilling fluid enters pressure chamber by the deflector hole on diversion pipe circumference, then is back to center flow channels, make drilling liquid pressure that pulsation fluctuation occur, oscillation assembly generates oscillation action.The hydroscillator with cumulative shock-absorbing function of the present invention can generate a certain range of frequency of oscillation, reduce the frictional resistance suffered by drilling tool in drill bit rock break-off process, simultaneously can self-absorption vibration, influence to top drilling tool when reducing oscillation assembly work, to improve drilling efficiency.
Description
Technical field
The invention belongs to a kind of Novel down-hole drilling tools of oil-gas drilling engineering field, especially subtract with cumulative
Shake the hydroscillator of function.
Background technology
Currently, increasing for the demand of petroleum gas both at home and abroad, the larger storage oil gas of many exploitation difficulty by
It is progressive enter the development phase meet the growing energy demand of people to improve petroleum gas yield.Meanwhile oil drilling
Technology continues to develop, and a large amount of Novel down-hole tool is constantly developed use, makes it possible the probing of offbeat form well, especially
It is the appearance of the complex structural wells such as extended reach well, multi-branched horizontal well, high angle hole, makes the oil for not having mining conditions in the past
Gas is gradually developed, and the quantity of complex structural well also gradually increases, and is resulted in and how to be realized fast drilling and improve the standard
Segment length becomes focus of attention.However, cause the frictional resistance between drill string and the borehole wall larger since hole angle is larger, load transfer
Efficiency is low, seriously limits rate of penetration, also easily causes the undergrounds such as differential sticking failure, especially in slipping drilling, nothing
Method applies authentic and valid bit pressure to drill bit, reduces drilling efficiency, extends drilling period.To solve the above-mentioned problems, state
Inside and outside many companies have developed respective hydroscillator in succession, for improving drilling efficiency.
Hydroscillator is mainly used in oil and gas well drilling engineering, will for making drilling tool generate vibration in the axial direction
Stiction is transformed into kinetic force of friction, reduces the frictional resistance between the borehole wall in drilling tool brill drilling process, realizes the efficient broken of drill bit
Rock.Novel hydropower oscillator can not only generate the axial vibration of certain frequency and amplitude, additionally it is possible to prevent its axial vibration to
Top drilling tool transmits, especially can be to avoid to ensure that the operating of top drilling tool is not influenced by hydroscillator work
The performance of testing tool is affected.So the research of exploitation novel hydropower oscillator is the following mud motor
Important development direction.
Invention content
Larger in order to explore the frictional resistance between the drill string and the borehole wall described in solution background technology, load transfer efficiency is low,
The problems such as down-hole accident is easy to happen in drilling process, the present invention provides a kind of hydraulic oscillations with cumulative shock-absorbing function
Device, the vibration that hydroscillator of the invention generates top drilling tool when absorbing oscillator operation using multistage absorbing ring, ensures
The normal work of top drilling tool is unaffected, and by connecting, disc spring transmits bit pressure and torque with spline, when drilling fluid flows through water conservancy diversion
Guan Shi, drilling fluid enter pressure chamber by the entrance guiding hole on diversion pipe circumference, then are back to by exporting deflector hole
Heart runner makes drilling liquid pressure that pulsation fluctuation occur in the process, and oscillation assembly generates oscillation action, to improve drilling well effect
Rate.
The technical scheme is that：Hydroscillator with cumulative shock-absorbing function by shock absorption assembly, drive assembly, shake
Assembly three parts composition is swung, drive assembly front end installation oscillation assembly, shock absorption assembly is installed in rear end.The damping is total
At including upper main body, rectangular seal a, rectangular seal b, rectangular seal c, lock-on connection, O-ring seals a, top absorbing
Ring, top retaining ring, central tube, washer, middle part absorbing ring, spline joint, lower part retaining ring, lower part absorbing ring, rectangular seal
D, sealing ring, rectangular seal e, intermediate pipe nipple are enclosed, rectangular seal a and rectangular seal b are separately mounted in upper main body,
Top absorbing ring is installed in upper main body again, rectangular seal c, O-ring seals a and top retaining ring, which are mounted on locking, to be connect
Make four to be combined as an entirety on head, and be connected with spline joint, then attach it in main body, in upper body front end
Central tube is packed into upper main body endoporus, and installs lower part successively in central tube front end and lock by mounting gasket and middle part absorbing ring successively
Tight ring and lower part absorbing ring after rectangular seal d and rectangular seal e are installed on sealing ring, then sealing ring are installed to
Central tube front end, finally installs intermediate pipe nipple, and top absorbing ring is locked using lock-on connection, real using central tube and intermediate pipe nipple
The axially position of existing shock absorption assembly, transfers torque to spline joint by spline fitted, and transmit downwards, passes through top absorbing
Ring, middle part absorbing ring can absorb the vibration of lower tool generation with lower part absorbing ring, avoid Upper Upper drilling tool performance
It is affected, prevents top drilling tool because lower part vibration deflects, influence drilling tool working performance.During the drive assembly includes
Between connector, rectangular seal f, slip joint, O-ring seals b, transmission pipe nipple, spline shell, adjust pad, inner tube, disc spring,
Locating shim installs transition joint in intermediate pipe nipple front end, rectangular seal f is installed on slip joint back end inner circumference,
Slip joint is installed in transition joint again, transmission pipe nipple is installed in transition joint front end, in the installation of transmission pipe nipple front end
Pipe, then adjust pad, disc spring and locating shim are installed in inner tube successively, finally spline shell and transmission pipe nipple are matched
It closes, and slip joint and spline shell is connected, coordinated using transmission pipe nipple and spline shell, transferred torque to outside spline
Bit pressure is transmitted downwards using disc spring, and absorbs the vibration of lower tool back transfer by shell.The oscillation assembly includes leading
Flow tube, concussion shell, O-ring seals c, O-ring seals d, sliding sleeve, rubber spring, rectangular seal g, lower contact, by diversion pipe
It is installed to inner tube front end, concussion shell is installed in spline case nose, O-ring seals c and O-ring seals d are respectively installed to
On sliding sleeve, then diversion pipe front end is attached it to, in the front loaded rubber spring of sliding sleeve, is finally installed to rectangular seal g
In lower contact, and lower contact is made to be connected with concussion shell, drilling fluid enters pressure by the entrance guiding hole on diversion pipe circumference
Power chamber, then center flow channels are back to by exporting deflector hole, make drilling liquid pressure that pulsation fluctuation, oscillation occur in the process
Assembly generates oscillation action, to improve drill bit efficiency of breaking rock.The middle part absorbing ring can absorb lower part with lower part absorbing ring
The axial vibration generated when tool work is coordinated with top absorbing ring by the globe joint in the middle part of upper main body, can absorb week
To and radial vibration, ensure oscillation assembly work generate vibration be not transferred to top drilling tool.
The beneficial effects of the invention are as follows：（1）The hydroscillator with cumulative shock-absorbing function of this invention, makes drilling tool exist
Vibration is generated in axial direction, stiction is transformed into kinetic force of friction, reduces the frictional resistance between the borehole wall in drilling tool brill drilling process,
Transverse direction and the twisting vibration for reducing drilling tool, realize drill bit efficient rock-breaking.（2）Utilize when multistage absorbing ring absorption oscillator operation pairs
The vibration that top drilling tool generates, including axially and radially vibrate, ensure that the normal work of top drilling tool is unaffected, especially protects
High-accuracy test equipment is unaffected under guide-well.（3）Hydroscillator with cumulative shock-absorbing function, using drilling fluid as power
Source is produced from exciting effect, to reduce frictional resistance, alleviates stick-slip phenomenon, reduces the risk that the down-hole accidents such as bit freezing occur, prevents
The generation of backing pressure phenomenon.（4）By the use of hydroscillator, the service life of drill bit can be increased, reduce the number that makes a trip,
To save drilling cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the sectional view in the faces A-A in Fig. 1 of the present invention；
Fig. 3 is the sectional view in the faces B-B in Fig. 1 of the present invention；
Fig. 4 is the sectional view in the faces C-C in Fig. 1 of the present invention；
Fig. 5 is the structural schematic diagram of spline joint；
Fig. 6 is the structural schematic diagram for being driven pipe nipple；
Main body on 1- in figure, 2- rectangular seals a, 3- rectangular seal b, 4- rectangular seal c, 5- lock-on connection, 6-O
Shape sealing ring a, 7- top absorbing ring, the tops 8- retaining ring, 9- central tubes, 10- washers, the middle parts 11- absorbing ring, 12- splines connect
Head, the lower parts 13- retaining ring, the lower parts 14- absorbing ring, 15- rectangular seals d, 16- sealing ring, in 17- rectangular seals e, 18-
Between pipe nipple, 19- transition joints, 20- rectangular seals f, 21- slip joint, 22- O-ring seals b, 23- are driven pipe nipple, 24-
Spline shell, 25- adjust pads, 26- inner tubes, 27- disc springs, 28- locating shims, 29- diversion pipes, 30- shake shell, 31- O
Shape sealing ring c, 32- O-ring seals d, 33- sliding sleeve, 34- rubber springs, 35- rectangular seals g, 36- lower contact.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
Referring to Fig. 1, the hydroscillator with cumulative shock-absorbing function is by shock absorption assembly, drive assembly, oscillation assembly three
It is grouped as, drive assembly front end installation oscillation assembly, shock absorption assembly is installed in rear end.The shock absorption assembly includes upper master
Body 1, rectangular seal a2, rectangular seal b3, rectangular seal c4, lock-on connection 5, O-ring seals a6, top absorbing ring 7,
Top retaining ring 8, central tube 9, washer 10, middle part absorbing ring 11, spline joint 12, lower part retaining ring 13, lower part absorbing ring 14,
Rectangular seal d15, sealing ring 16, rectangular seal e17, intermediate pipe nipple 18, by rectangular seal a2 and rectangular seal b3
It is separately mounted in main body 1, then top absorbing ring 7 is installed in upper main body 1, by rectangular seal c4, O-ring seals a6
Being mounted on lock-on connection 5 with top retaining ring 8 makes four to be combined as an entirety, and is connected with spline joint 12, then will
It is installed in main body 1, in 1 front end of upper main body successively mounting gasket 10 and middle part absorbing ring 11, central tube 9 is packed into main
1 endoporus of body, and lower part retaining ring 13 and lower part absorbing ring 14 are installed successively in 9 front end of central tube, by rectangular seal d15 and square
After shape sealing ring e17 is installed on sealing ring 16, then sealing ring 16 is installed to 9 front end of central tube, intermediate pipe nipple is finally installed
18, top absorbing ring 7 is locked using lock-on connection 5, realizes that the axial direction of shock absorption assembly is fixed with intermediate pipe nipple 18 using central tube 9
Position, transfers torque to spline joint 12 by spline fitted, and transmit downwards, passes through top absorbing ring 7, middle part absorbing ring 11
The vibration that lower tool generation can be absorbed with lower part absorbing ring 14, avoids top drilling tool performance from being affected, prevents
Portion's drilling tool influences top drilling tool working performance because lower part vibration deflects.
The drive assembly includes transition joint 19, rectangular seal f20, slip joint 21, O-ring seals b22, passes
Dynamic pipe nipple 23, spline shell 24, adjust pad 25, inner tube 26, disc spring 27, locating shim 28 are installed in 18 front end of intermediate pipe nipple
Rectangular seal f20 is installed on 21 back end inner circumference of slip joint by transition joint 19, then slip joint 21 is installed to
Between on connector 19, transmission pipe nipple 23 is installed in 19 front end of transition joint, inner tube 26 is installed in 23 front end of transmission pipe nipple, then successively will
Adjust pad 25, disc spring 27 and locating shim 28 are installed in inner tube 26, and finally spline shell 24 and transmission pipe nipple 23 match
It closes, and slip joint 21 and spline shell 24 is connected, coordinated using transmission pipe nipple 23 and spline shell 24, transferred torque to
Bit pressure is transmitted downwards using disc spring 27, and absorbs the vibration of lower tool back transfer by spline shell 24.
The oscillation assembly includes diversion pipe 29, concussion shell 30, O-ring seals c31, O-ring seals d32, sliding sleeve
Diversion pipe 29 is installed to 26 front end of inner tube, in spline shell 24 by 33, rubber spring 34, rectangular seal g35, lower contact 36
Front end installation concussion shell 30, O-ring seals c31 and O-ring seals d32 are respectively installed on sliding sleeve 33, then is installed
Rectangular seal g35 is finally installed to lower contact 36 in 33 front loaded rubber spring 34 of sliding sleeve to 29 front end of diversion pipe
On, and lower contact 36 is made to be connected with concussion shell 30, drilling fluid enters pressure by the entrance guiding hole on 29 circumference of diversion pipe
Power chamber, then center flow channels are back to by exporting deflector hole, make drilling liquid pressure that pulsation fluctuation, oscillation occur in the process
Assembly generates oscillation action, to improve drill bit efficiency of breaking rock.
The middle part absorbing ring 11 can absorb the axial vibration generated when lower tool work with lower part absorbing ring 14, leads to
The globe joint for crossing 1 middle part of main body coordinates with top absorbing ring 7, can absorb circumferential direction and radial vibration, ensures oscillation assembly
The vibration that work generates is not transferred to top drilling tool.
Claims (3)
1. the hydroscillator with cumulative shock-absorbing function, it is characterised in that：The hydroscillator includes shock absorption assembly, passes
Dynamic assembly, oscillation assembly, drive assembly front end installation oscillation assembly, shock absorption assembly is installed in rear end；The damping is total
At including upper main body（1）, rectangular seal a（2）, rectangular seal b（3）, rectangular seal c（4）, lock-on connection（5）, O shapes
Sealing ring a（6）, top absorbing ring（7）, top retaining ring（8）, central tube（9）, washer（10）, middle part absorbing ring（11）, spline
Connector（12）, lower part retaining ring（13）, lower part absorbing ring（14）, rectangular seal d（15）, sealing ring（16）, rectangular seal e
（17）, intermediate pipe nipple（18）, by rectangular seal a（2）With rectangular seal b（3）It is separately mounted to main body（1）On, then will
Top absorbing ring（7）It is installed to main body（1）On, by rectangular seal c（4）, O-ring seals a（6）With top retaining ring（8）
Mounted on lock-on connection（5）On make four to be combined as an entirety, and and spline joint（12）It is connected, then attaches it to
Main body（1）On, in upper main body（1）Front end mounting gasket successively（10）With middle part absorbing ring（11）, by central tube（9）It is main in loading
Body（1）Endoporus, and in central tube（9）Front end is installed by lower part retaining ring successively（13）With lower part absorbing ring（14）, by rectangular seal
Enclose d（15）With rectangular seal e（17）It is installed to sealing ring（16）After upper, then by sealing ring（16）It is installed to central tube（9）Before
Intermediate pipe nipple is finally installed at end（18）, utilize lock-on connection（5）Lock top absorbing ring（7）, utilize central tube（9）With centre
Pipe nipple（18）The axially position for realizing shock absorption assembly, spline joint is transferred torque to by spline fitted（12）, and pass downwards
It passs, passes through top absorbing ring（7）, middle part absorbing ring（11）With lower part absorbing ring（14）Shaking for lower tool generation can be absorbed
It is dynamic, it avoids top drilling tool performance from being affected, prevents top drilling tool because lower part vibration deflects, influence top drilling tool work
Make performance；The drive assembly includes transition joint（19）, rectangular seal f（20）, slip joint（21）, O-ring seals b
（22）, transmission pipe nipple（23）, spline shell（24）, adjust pad（25）, inner tube（26）, disc spring（27）, locating shim（28）,
Intermediate pipe nipple（18）Front end is installed by transition joint（19）, by rectangular seal f（20）It is installed to slip joint（21）Rear end inner circle
Zhou Shang, then by slip joint（21）It is installed to transition joint（19）On, in transition joint（19）Front end installation transmission pipe nipple（23）,
In transmission pipe nipple（23）Front end is installed by inner tube（26）, then successively by adjust pad（25）, disc spring（27）With locating shim（28）Peace
It is attached to inner tube（26）On, finally by spline shell（24）With transmission pipe nipple（23）It matches, and by slip joint（21）With spline
Shell（24）It is connected, utilizes transmission pipe nipple（23）With spline shell（24）Cooperation, transfers torque to spline shell（24）, utilize
Disc spring（27）Bit pressure is transmitted downwards, and absorbs the vibration of lower tool back transfer；The oscillation assembly includes water conservancy diversion
Pipe（29）, concussion shell（30）, O-ring seals c（31）, O-ring seals d（32）, sliding sleeve（33）, rubber spring（34）, rectangle
Sealing ring g（35）, lower contact（36）, by diversion pipe（29）It is installed to inner tube（26）Front end, in spline shell（24）It installs front end
Shake shell（30）, by O-ring seals c（31）With O-ring seals d（32）It is respectively installed to sliding sleeve（33）On, then installed
To diversion pipe（29）Front end, in sliding sleeve（33）Front loaded rubber spring（34）, finally by rectangular seal g（35）It is installed to down
Connector（36）On, and make lower contact（36）With concussion shell（30）It is connected, drilling fluid passes through diversion pipe（29）Entering on circumference
Mouth deflector hole enters pressure chamber, then is back to center flow channels by exporting deflector hole, so that drilling liquid pressure is sent out in the process
Raw pulsation fluctuation, oscillation assembly generates oscillation action, to improve drill bit efficiency of breaking rock.
2. the hydroscillator according to claim 1 with cumulative shock-absorbing function, it is characterised in that：It inhales at the middle part
Shake ring（11）With lower part absorbing ring（14）The axial vibration generated when absorbable lower tool work, passes through upper main body（1）Middle part
Globe joint and top absorbing ring（7）Cooperation can absorb circumferential direction and radial vibration, ensure shaking for oscillation assembly work generation
It is dynamic to be not transferred to top drilling tool.
3. the hydroscillator according to claim 1 with cumulative shock-absorbing function, it is characterised in that：The diversion pipe
（29）Entrance guiding hole and outlet deflector hole quantity on circumference are 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610392685.8A CN106014317B (en) | 2016-06-02 | 2016-06-02 | Hydroscillator with cumulative shock-absorbing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610392685.8A CN106014317B (en) | 2016-06-02 | 2016-06-02 | Hydroscillator with cumulative shock-absorbing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106014317A CN106014317A (en) | 2016-10-12 |
| CN106014317B true CN106014317B (en) | 2018-10-19 |
Family
ID=57090703
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610392685.8A Active CN106014317B (en) | 2016-06-02 | 2016-06-02 | Hydroscillator with cumulative shock-absorbing function |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593338B (en) * | 2016-12-16 | 2019-01-08 | 东北大学秦皇岛分校 | A kind of liquid driven oscillator |
| CN109930987A (en) * | 2017-12-19 | 2019-06-25 | 中石化石油工程技术服务有限公司 | A kind of mechanical liquid type rock crushing tool, the drill string of multi-load coupling |
| CN108798520B (en) * | 2018-05-29 | 2019-11-19 | 西南石油大学 | A kind of underground drop, which is rubbed, subtracts the shimmy drilling tool of torsion |
| CN108678673A (en) * | 2018-07-04 | 2018-10-19 | 中国石油集团西部钻探工程有限公司 | Novel hydropower vibrator |
| CN112177529B (en) * | 2020-11-12 | 2022-04-19 | 西南石油大学 | Efficient rock breaking oscillation device with disc spring-sealed cavity buffering function |
| CN112943113B (en) * | 2021-01-28 | 2023-01-20 | 成都希能能源科技有限公司 | Near-bit shock absorption tool |
| CN113622895B (en) * | 2021-09-15 | 2023-06-06 | 西南石油大学 | Full-intelligent variable-frequency control variable-pressure drilling tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8201641B2 (en) * | 2008-04-29 | 2012-06-19 | Smith International, Inc. | Vibrating downhole tool and methods |
| CN102704842A (en) * | 2012-05-30 | 2012-10-03 | 中国石油化工集团公司 | Hydro-oscillator for well drilling |
| CN103615211A (en) * | 2013-12-12 | 2014-03-05 | 东北石油大学 | Drill pipe high-frequency vibration resistance-reducing device for petroleum drilling |
| CN104295231B (en) * | 2014-09-16 | 2016-08-24 | 西南石油大学 | A kind of low frictional resistance reducing hydrodynamic thrust device |
| CN104818951B (en) * | 2015-04-29 | 2016-09-21 | 中国海洋石油总公司 | A kind of two-way vibration absorber of perforation tubular column |
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2016
- 2016-06-02 CN CN201610392685.8A patent/CN106014317B/en active Active
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| CN106014317A (en) | 2016-10-12 |
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Inventor after: Tian Jialin Inventor after: Yang Yi Inventor after: Yang Yinglin Inventor after: Yang Lin Inventor after: Hu Shuhui Inventor after: Zhang Tangjia Inventor after: Lin Xiaoyue Inventor before: Tian Jialin Inventor before: Yang Yinglin Inventor before: Yang Lin Inventor before: Hu Shuhui Inventor before: Zhang Tangjia Inventor before: Yang Yi Inventor before: Lin Xiaoyue |
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Effective date of registration: 20201130 Address after: 226000 Happy Road 688, Gangzha District, Nantong City, Jiangsu Province Patentee after: Jiangsu Hongye Testing Technology Co.,Ltd. Address before: 06-01-45, block B, Baoneng entrepreneurship center, Xiyuzhuang street, Hongqiao District, Tianjin Patentee before: Tianjin Kerun productivity promotion Co.,Ltd. Effective date of registration: 20201130 Address after: 06-01-45, block B, Baoneng entrepreneurship center, Xiyuzhuang street, Hongqiao District, Tianjin Patentee after: Tianjin Kerun productivity promotion Co.,Ltd. Address before: No. 8 Road, Xindu Xindu District of Chengdu city of Sichuan Province in 610500 Patentee before: SOUTHWEST PETROLEUM University |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 18 Furui Road, Sanmiao Industrial Park, Xingren Town, Tongzhou District, Nantong City, Jiangsu Province, 226000 Patentee after: Jiangsu Hongye Testing Technology Co.,Ltd. Country or region after: China Address before: No. 688, Xingfu Road, Gangzha District, Nantong City, Jiangsu Province, 226000 Patentee before: Jiangsu Hongye Testing Technology Co.,Ltd. Country or region before: China |