CN208669201U - One-way fashion impactor based on turbine and spring - Google Patents
One-way fashion impactor based on turbine and spring Download PDFInfo
- Publication number
- CN208669201U CN208669201U CN201821240188.7U CN201821240188U CN208669201U CN 208669201 U CN208669201 U CN 208669201U CN 201821240188 U CN201821240188 U CN 201821240188U CN 208669201 U CN208669201 U CN 208669201U
- Authority
- CN
- China
- Prior art keywords
- turbine
- spring
- wheel shaft
- hammer body
- lock chamber
- 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.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
Abstract
The utility model provides a kind of one-way fashion impactor based on turbine and spring, is made of top connection, turbine assembly, drive assembly, crossover sub, impact assembly and lower contact；Top connection top is connect with drilling rod, lower part successively connects transmission housing, crossover sub and lower contact, lower contact lower part is connect with drill bit, turbine rotor generates high speed rotary motion under the percussion of drilling fluid, successively drive turbine wheel shaft, transmission shaft, hammer body lock chamber, jump bit rotation, jump bit rotation collides with lower contact, generates impact twisting vibration.In the utility model, jump bit is placed about the axisymmetrical of hammer body lock chamber, and rotation once can provide twisting vibration percussion twice, and periodically circumferential collision continuously emerges in jump bit with lower contact under spring force.The rotation and impact that the tool generates are transmitted to drill bit through lower contact, and drill bit is made to generate the unidirectional rotational vibration of high frequency, and then bit freezing and stick-slip phenomenon can effectively be avoided to generate, and improve drilling efficiency.
Description
Technical field
The utility model relates to one kind in the fields such as the drilling well of petroleum gas shale gas, mining, geological drilling
The one-way fashion impactor based on turbine and spring.
Background technique
In recent years, petroleum gas demand is increasingly increased with country, the exploitation simultaneously for shale gas is also current
Hot spot and a challenge.Because, often can be because of driller's technology, experience problem so that sending brill not in time in drilling process
Or send drill-through fast, or it because of borehole wall frictional resistance problem, causes the bit pressure for being applied to drill bit unstable, influences efficiency of breaking rock, even
It is possible that damaging drill bit, the cutting tooth for the drill bit that bursts apart etc. because bit pressure increases suddenly, rate of penetration is influenced.Another aspect PDC
For drill bit when boring hard or abrasive layer, usually not enough torques carry out fractured rock, thus the phenomenon that generating bit freezing, underground
The release of drilling rod torsion causes drill bit to fail.Oil field deep formation rock is hard, grinding extreme value is high, bores using conventional rock bit
Into single footage per bit is few, needs multiple trips and rate of penetration is lower；When carrying out compound drilling using screw rod, due to depth
Temperature is higher in well, and the screw rod service life is low, using effect is undesirable；It is existing often to occur stick slip vibration in drilling deep wells ultradeep well simultaneously
As stick slip vibration easily causes drilling tool failure, and rate of penetration is caused to reduce.In addition, can larger journey using air drilling drilling
Degree improves rate of penetration, but easily causes down hole problem in the case where formation water output, and gas drilling corollary equipment
More, cost is relatively large.
In view of the above problems, having attempted multiple types of tools both at home and abroad, certain speed-increasing effect, medium-high frequency torsion are achieved
Impact class tool accounts for the leading position of speed-raising tool.Field experiment and theoretical research show that such tool can be attached to drill bit
Add high-frequency torsional pulse power, assist drill bit broken rock, reduce the stick-slip phenomenon of drill string, improve rate of penetration, reduces drilling cost, it is real
Now bigger economic benefit, while also better ensuring that the safety of drilling well.
Utility model content
The purpose of this utility model is: causing drilling tool to lose to solve the stick-slip of drill bit bit freezing and drill string in drilling process
Effect and the lower problem of rate of penetration, provide a kind of one-way fashion impactor based on turbine and spring, to overcome the prior art
Defect, improve rate of penetration.The tool energy effective protection drill bit reduces cost, improves efficiency of breaking rock, increases drilling efficiency.
The technical solution of the utility model is: the one-way fashion impactor based on turbine and spring is by top connection, turbine
Assembly, drive assembly, crossover sub, impact assembly and lower contact composition；Top connection upper end jointed rod, lower end connection transmission are total
Transmission housing in；The turbine assembly includes bearing capping, angular contact ball bearing, anti-lost retaining ring a, driving key, turbine
Rotor, turbine stator, turbine wheel shaft, locating ring, rectangular seal, cylinder roller bearing, thrust ball bearing, anti-lost retaining ring b, bearing
Capping is cooperated with turbine wheel shaft by screw thread, and there are two angular contact ball bearing, turbine rotors, turbine for bearing capping lower section placement
Stator is mounted on turbine wheel shaft by driving key, and anti-lost retaining ring a is mounted on the top of turbine wheel shaft, and locating ring is placed in turbine wheel shaft
On step, upper part is contacted with turbine stator, and rectangular seal is mounted in top connection, and turbine wheel shaft is located in top connection, cylinder
Roller bearing, thrust ball bearing, anti-lost retaining ring b are installed on turbine wheel shaft, and turbine wheel shaft lower end is connected through a screw thread with transmission shaft
Cooperated；The drive assembly includes transmission housing, transmission shaft, and transmission housing upper end is connect with top connection, lower end with turn
The connection of changing-over head, transmission shaft upper end and turbine axis connection, lower end is connect with hammer body lock chamber；The impact assembly includes that hammer body is solid
Determine chamber, lower contact, spring, guide rod, jump bit, baffle, washer a, lock-screw, washer b, locking nut, lower contact passes through
Screw thread is attached with crossover sub, and hammer body lock chamber is attached by screw thread and transmission shaft, and jump bit is fixed by hammer body
The rectangular through-hole opened up on chamber is caught in hammer body lock chamber, and spring passes through guide rod, is mounted on two jump bits symmetrically placed
Centre, guide rod passes through the through-hole opened up on hammer body lock chamber and jump bit, the screw thread and washer b that are opened up by its both ends,
Locking nut is cooperated, and baffle is connected by washer a, lock-screw and hammer body lock chamber.
In above scheme, the one-way fashion impactor based on turbine and spring, it is characterised in that: the angular contact ball
The quantity of bearing (3) is 2, and the quantity of spring is 8, and the quantity of guide rod is 8, and the quantity of jump bit is 2, washer a
Quantity be 3, the quantity of lock-screw is 3, and the quantity of washer b is 16, and the quantity of locking nut is 16.
In above scheme, the one-way fashion impactor based on turbine and spring, it is characterised in that: jump bit is about hammer
The axisymmetrical of body lock chamber is placed, and the impact of twisting vibration twice can be provided in rotary course of jump bit.
The beneficial effects of the utility model are: (1) realizes percussion by turbine and spring, stable working performance can
It leans on；(2) solve the problems, such as that down-hole equipment in drilling process be easy to cause is hampered or meets card；(3) tool design is reasonable, property
Can be reliable, the effective protection drill bit circumferentially impacted is generated, the stick-slip and bit freezing phenomenon of drill bit are eliminated, improves rate of penetration；(4) should
Tool is adaptable, can be applied not only to deep layer straight well, and orientation device can also be cooperated to be applied in directional well and horizontal well；(5)
The tool has movement without dead point, provides high-frequency torsional pulse；(6) easy to operate, the advantages that service life is long, speed-increasing effect is good, cooperation
PDC drill bit use can effectively improve deep well hard formation rate of penetration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the A-A sectional view in the utility model Fig. 1.
Fig. 3 is the internal structure chart of the utility model Fig. 1 impact assembly.
Fig. 4~7 are one shock periodic process of the utility model, and Fig. 4 is that jump bit does not collide with lower contact；Fig. 5 is punching
Hammer has just been contacted with two impingement area of lower contact；Fig. 6 is in jump bit and lower contact collision process；Fig. 7 is jump bit and lower contact
Two impingement areas are just detached from.
1. top connection in figure, the capping of 2. bearings, 3. angular contact ball bearings, 4. anti-lost retaining ring a, 5. driving keys, 6. turbines turn
Son, 7. turbine stators, 8. turbine wheel shafts, 9. locating rings, 10. rectangular seals, 11. cylinder roller bearings, 12. thrust ball bearings,
13. anti-lost retaining ring b, 14. transmission housing, 15. transmission shafts, 16. crossover subs, 17. hammer body lock chambers, 18. lower contacts, 19. bullets
Spring, 20. guide rods, 21. jump bits, 22. baffles, 23. washer a, 24. lock-screws, 25. washer b, 26. locking nuts.
Specific embodiment
With reference to the accompanying drawings and embodiments, the utility model is described in further detail:
Referring to attached drawing, the one-way fashion impactor based on turbine and spring, it is characterised in that: described based on turbine and spring
One-way fashion impactor is made of top connection 1, turbine assembly, drive assembly, crossover sub 16, impact assembly and lower contact 18；On
1 upper end jointed rod of connector, lower end connect the transmission housing 14 in drive assembly；The turbine assembly include bearing capping 2,
Angular contact ball bearing 3, anti-lost retaining ring a4, driving key 5, turbine rotor 6, turbine stator 7, turbine wheel shaft 8, locating ring 9, rectangular seal
10, cylinder roller bearing 11, thrust ball bearing 12, anti-lost retaining ring b13 are enclosed, bearing capping 2 is matched with turbine wheel shaft 8 by screw thread
It closes, 2 lower section of bearing capping is placed there are two angular contact ball bearing 3, and turbine rotor 6, turbine stator 7 are mounted on by driving key 5
On turbine wheel shaft 8, anti-lost retaining ring a4 is mounted on the top of turbine wheel shaft 8, and locating ring 9 is placed on the step of turbine wheel shaft 8, upper part with
Turbine stator 7 contacts, and rectangular seal 10 is mounted in top connection 1, and turbine wheel shaft 8 is located in top connection 1, cylinder roller bearing
11, thrust ball bearing 12, anti-lost retaining ring b13 are installed on turbine wheel shaft 8, and 8 lower end of turbine wheel shaft and transmission shaft 15 are connected by screw thread
Tap into capable cooperation；The drive assembly includes transmission housing 14, transmission shaft 15, and 14 upper end of transmission housing is connect with top connection 1,
Lower end is connect with crossover sub 16, and 15 upper end of transmission shaft is connect with turbine wheel shaft 8, and lower end is connect with hammer body lock chamber 17；The punching
Hitting assembly includes hammer body lock chamber 17, lower contact 18, spring 19, guide rod 20, jump bit 21, baffle 22, washer a23, locking
Screw 24, washer b25, locking nut 26, lower contact 18 are attached by screw thread with crossover sub 16, and hammer body lock chamber 17 is logical
It crosses screw thread to be attached with transmission shaft 15, jump bit 21 is caught in hammer body by the rectangular through-hole opened up on hammer body lock chamber 17 and fixes
In chamber 17, spring 19 passes through guide rod 20, is mounted on the centre for two jump bits 21 symmetrically placed, and guide rod 20 passes through hammer
The through-hole opened up on body lock chamber 17 and jump bit 18, the screw thread and washer b25 opened up by its both ends, locking nut 26 carry out
Cooperation, baffle 22 are connect by washer a23, lock-screw 24 with hammer body lock chamber 17.
The one-way fashion impactor based on turbine and spring, it is characterised in that: the number of the angular contact ball bearing 3
Amount is 2, and the quantity of spring 19 is 8, and the quantity of guide rod 20 is 8, and the quantity of jump bit 21 is 2, the number of washer a23
Amount is 3, and the quantity of lock-screw 24 is 3, and the quantity of washer b25 is 16, and the quantity of locking nut 26 is 16.
The one-way fashion impactor based on turbine and spring, it is characterised in that: jump bit 21 is about hammer body lock chamber
17 axisymmetrical is placed, and the impact of twisting vibration twice can be provided in 21 rotary courses of jump bit.
When work, cleaner for high-pressure drilling fluid is flowed into from top connection 1, by turbine assembly through transmission shaft and lower case flow down.
When cleaner for high-pressure drilling fluid passes through turbine assembly, 6 high speed rotation of turbine rotor is driven, turbine rotor 6 passes through turbine wheel shaft 8, transmission shaft
15 drive hammer body lock chambers 17 rotate, hammer body lock chamber 17 drive again jump bit 21 rotate, jump bit 21 rotate when and lower contact
18 collide, and generate impact twisting vibration effect；As also shown in e.g. figs. 4-7, when jump bit 21 and lower contact 18 collide,
Impact twisting vibration effect is generated to lower case, at this point, the spring 19 on guide rod 20 is compressed, jump bit 21 is in inertia force
Effect is lower and lower contact 18 generates and collides and move inward a small distance along guide rod 20, thus around in lower contact 18
Convex portion continues to make rotating motion；When jump bit 21 and lower contact 18 separate, jump bit 21 is under the action of spring 19
It is restored to original state again, and continues the collision of rotation preparation next time.The flat side of a hammer of jump bit 21 and 18 meeting of lower contact in this way
Periodically circumferential collision continuously emerges, high frequency is consequently formed and unidirectionally circumferentially impacts.The rotation and impact that tool generates connect under passing through
First 18 are transmitted to drill bit, be embodied as drill bit provide power, and make drill bit generate the unidirectional rotational vibration of high frequency purpose, and then to turn
Head is realized and is effectively protected, and drilling efficiency is improved.
Claims (3)
1. the one-way fashion impactor based on turbine and spring, it is characterised in that: described to be impacted based on the one-way fashion of turbine and spring
Device is made of top connection (1), turbine assembly, drive assembly, crossover sub (16), impact assembly and lower contact (18)；Top connection
(1) upper end jointed rod, lower end connect the transmission housing (14) in drive assembly；The turbine assembly includes bearing capping
(2), angular contact ball bearing (3), anti-lost retaining ring a (4), driving key (5), turbine rotor (6), turbine stator (7), turbine wheel shaft (8),
Locating ring (9), rectangular seal (10), cylinder roller bearing (11), thrust ball bearing (12), anti-lost retaining ring b (13), bearing envelope
Lid (2) is cooperated with turbine wheel shaft (8) by screw thread, and bearing covers placement below (2), and there are two angular contact ball bearing (3), whirlpools
Wheel rotor (6), turbine stator (7) are mounted on turbine wheel shaft (8) by driving key (5), and anti-lost retaining ring a (4) is mounted on turbine wheel shaft
(8) top, locating ring (9) are placed on the step of turbine wheel shaft (8), and upper part is contacted with turbine stator (7), rectangular seal
(10) it is mounted on top connection (1), turbine wheel shaft (8) is located in top connection (1), cylinder roller bearing (11), thrust ball bearing
(12), anti-lost retaining ring b (13) is installed on turbine wheel shaft (8), turbine wheel shaft (8) lower end and transmission shaft (15) be connected through a screw thread into
Row cooperation；The drive assembly includes transmission housing (14), transmission shaft (15), transmission housing (14) upper end and top connection (1)
Connection, lower end are connect with crossover sub (16), and transmission shaft (15) upper end is connect with turbine wheel shaft (8), lower end and hammer body lock chamber
(17) it connects；The impact assembly includes hammer body lock chamber (17), lower contact (18), spring (19), guide rod (20), jump bit
(21), baffle (22), washer a (23), lock-screw (24), washer b (25), locking nut (26), lower contact (18) pass through spiral shell
Line is attached with crossover sub (16), and hammer body lock chamber (17) is attached by screw thread with transmission shaft (15), jump bit
(21) it is caught in hammer body lock chamber (17) by the rectangular through-hole opened up on hammer body lock chamber (17), spring (19) passes through guide rod
(20), it is mounted on the centre for two jump bits (21) symmetrically placed, guide rod (20) passes through hammer body lock chamber (17) and impacts
The through-hole opened up on hammer (21), the screw thread opened up by its both ends are cooperated with washer b (25), locking nut (26), baffle
(22) it is connect by washer a (23), lock-screw (24) with hammer body lock chamber (17).
2. the one-way fashion impactor according to claim 1 based on turbine and spring, it is characterised in that: the angular contact ball
The quantity of bearing (3) is 2, and the quantity of spring (19) is 8, and the quantity of guide rod (20) is 8, the quantity of jump bit (21)
It is 2, the quantity of washer a (23) is 3, and the quantity of lock-screw (24) is 3, and the quantity of washer b (25) is 16, locking
The quantity of nut (26) is 16.
3. the one-way fashion impactor according to claim 1 based on turbine and spring, it is characterised in that: jump bit (21) closes
It is placed in the axisymmetrical of hammer body lock chamber (17), twisting vibration twice can be provided in (21) rotary courses of jump bit
Impact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240188.7U CN208669201U (en) | 2018-08-02 | 2018-08-02 | One-way fashion impactor based on turbine and spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240188.7U CN208669201U (en) | 2018-08-02 | 2018-08-02 | One-way fashion impactor based on turbine and spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669201U true CN208669201U (en) | 2019-03-29 |
Family
ID=65832315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821240188.7U Expired - Fee Related CN208669201U (en) | 2018-08-02 | 2018-08-02 | One-way fashion impactor based on turbine and spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208669201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661550A (en) * | 2018-08-02 | 2018-10-16 | 西南石油大学 | One-way fashion impactor based on turbine and spring |
-
2018
- 2018-08-02 CN CN201821240188.7U patent/CN208669201U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661550A (en) * | 2018-08-02 | 2018-10-16 | 西南石油大学 | One-way fashion impactor based on turbine and spring |
| CN108661550B (en) * | 2018-08-02 | 2023-11-10 | 西南石油大学 | Unidirectional impactor based on turbine and spring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105672873B (en) | A kind of high frequency reverses and axial double direction impulse device | |
| CN207436916U (en) | Screw double acting speed-raising instrument | |
| CN103291214B (en) | Be applicable to the reciprocating hydraulic impacter of hard formation drilling well | |
| CN108661550A (en) | One-way fashion impactor based on turbine and spring | |
| CN107664015A (en) | Screw double acting speed-raising instrument | |
| CN108104715A (en) | Torsion impact device based on turbine and gear | |
| CN107664013A (en) | Vane type axial and circumferential composite impact device | |
| CN107664012A (en) | The two-way high frequency composite impact device of turbine type | |
| CN105239929A (en) | Downhole tool for achieving efficient rock breaking through spin vibration | |
| CN108798503A (en) | Screw circumferential direction percussion drilling tool | |
| CN108756732A (en) | Circumferential impactor based on screw rod and spring | |
| CN102191915A (en) | Resonant pulse vibrating drilling device | |
| CN101581196B (en) | Impacting helicoid hydraulic motor and transmission shaft assembly | |
| CN206129207U (en) | Novel oscillatory surge ware based on turbine and cam | |
| CN108104714A (en) | Differential torsion impact device based on screw rod and gear | |
| CN208718562U (en) | Circumferential impactor based on screw rod and spring | |
| CN106948753B (en) | A kind of pulsed drilling fluid hammer | |
| CN201443299U (en) | Screw drill transmission shaft assembly with impact function | |
| CN108049803A (en) | Vane type differential torsion impact device | |
| CN208669201U (en) | One-way fashion impactor based on turbine and spring | |
| CN207863856U (en) | Differential torsion impact device based on screw rod and gear | |
| CN108661551A (en) | Twisting vibration tool based on impeller and spring | |
| CN208669203U (en) | Screw circumferential direction percussion drilling tool | |
| CN208669202U (en) | Twisting vibration tool based on impeller and spring | |
| CN209687403U (en) | Hydraulic oscillation impactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20190802 |