CN207436906U - The two-way high frequency composite impact device of turbine type - Google Patents
The two-way high frequency composite impact device of turbine type Download PDFInfo
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- CN207436906U CN207436906U CN201721471913.7U CN201721471913U CN207436906U CN 207436906 U CN207436906 U CN 207436906U CN 201721471913 U CN201721471913 U CN 201721471913U CN 207436906 U CN207436906 U CN 207436906U
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- turbine
- impact
- hammer body
- assembly
- high frequency
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Abstract
The utility model provides a kind of two-way high frequency composite impact device of turbine type, is made of turbine assembly, impact assembly and crossover sub.The turbine assembly front end coupling adapter, crossover sub front end connection impact assembly, the mechanical energy for being rotated hydraulic energy transfer for turbine wheel shaft by turbine assembly, so as to drive the rotary valve rotation of impact assembly, due to being all provided with hole in rotary valve and valve deck, make drilling fluid periodical into tup and hammer body barrel chamber, hammer body cylinder, which is periodically hit, in the promotion lower ram of liquid generates circumferential jarring, the axial hole of rotary valve and valve deck periodically dislocation simultaneously changes fluid pressure, generate the axial vibrations of high frequency, and pass through lower contact and axial and circumferential impact force is transferred to drill bit, eliminate stick-slip phenomenon, protect drill bit, so as to improve drill bit efficiency of breaking rock.The two-way high frequency composite impact device of the utility model turbine type generates two kinds of impacts of axial and circumferential using drilling fluid, can effectively improve drilling efficiency.
Description
Technical field
The utility model is on a kind of downhole tool for oil drilling more particularly to a kind of two-way high frequency of turbine type
Composite impact device.
Background technology
In oil conventional drilling, PDC drill bit is widely used, when operating at the scene, often because driller's skill
Art, experience problem cause to be applied to the brill of drill bit so that send brill not in time or send drill-through fast or because borehole wall frictional resistance problem
It presses unstable, influences efficiency of breaking rock, it could even be possible to damaging drill bit, the cutting tooth for the drill bit that bursts apart because of bit pressure increase suddenly
Deng influencing rate of penetration.When boring hard or abrasive layer, usually not enough torques crush another aspect PDC drill bit
Rock, the phenomenon that so as to generate bit freezing, the release of downhole tool torsion causes drill bit to fail.Oil field deep formation rock is hard, grinds
It is high to grind extreme value, using conventional roller bit cutting, single footage per bit is few, it is necessary to multiple trips and rate of penetration is relatively low；It should
When carrying out compound drilling with screw rod, since temperature is higher in deep-well, the screw rod service life is low, using effect is undesirable；In addition, using gas
Body drilling technology drilling can largely improve rate of penetration, but easily down hole problem be caused to be sent out in the case of formation water output
It is raw, and gas drilling corollary equipment is 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 instrument accounts for the leading position of speed-raising instrument.Such instrument can give drill bit additional high torsional pulse power, aid in drill bit
Broken rock reduces the stick-slip phenomenon of drill string, improves rate of penetration.The speed-raising instrument of axial impact type has also been emerged in recent years,
Such instrument can increase substantially the rock depth of tooth penetration of drill bit, increase efficiency of breaking rock, have that easy to operate, speed-increasing effect is good
The features such as.Therefore, it is necessary to research and develop a kind of power that can be provided by drilling fluid, axial impact can be both provided, it can also
Both the compound doulde-action DTH hammer circumferentially impacted is provided, while have the advantages that, drill bit broken rock is aided in, protects drill bit, is extended
Drilling life of bit improves rate of penetration.
Utility model content
In order to solve the stick-slip phenomenon of drill bit bit freezing and drill string in drilling process, it is proposed that a kind of two-way high frequency of turbine type
Composite impact device the defects of to overcome the prior art, improves rate of penetration.The instrument has axial impact and circumferential punching simultaneously
It hits, can effectively protect drill bit, reduce cost, improve efficiency of breaking rock, increase drilling efficiency.
The technical solution of the utility model is：The two-way high frequency composite impact device of turbine type is by turbine assembly, impact assembly
It is formed with crossover sub, turbine assembly front end coupling adapter, crossover sub front end connection impact assembly；The turbine is total
Into including turbine body, angular contact ball bearing, anti-lost ring a, spacing collar a, turbine stator, turbine rotor, driving key, stop collar
Cylinder b, rectangular seal, turbine wheel shaft, cylinder roller bearing, thrust ball bearing, anti-lost ring b, it is successively that turbine rotor, turbine is fixed
Son and spacing collar b are mounted on by driving key on turbine wheel shaft, anti-lost ring a are mounted on to the top of turbine wheel shaft, by two corner connections
Tactile ball bearing is reversibly mounted on turbine body and turbine wheel shaft top, and spacing collar a and rectangular seal are installed to turbine in advance
On body, then by spline fitted turbine stator is put into turbine body, from top to bottom successively by cylinder roller bearing, thrust
Ball bearing and anti-lost ring b are mounted on turbine wheel shaft leading portion step, and turbine wheel shaft front end is threadedly coupled with transmission shaft；Crossover sub rear end with
Turbine body connects, and front end is connected with short circuit head；The impact assembly include sleeve, rotary valve, valve deck, tup, hammer body cylinder,
Housing, locking cylinder and lower contact are impacted, the rear end of rotary valve is threadedly secured to transmission shaft front end, and valve deck is mounted on hammer body cylinder
End face, tup be mounted between valve deck and hammer body cylinder, hammer body cylinder be mounted on impact housing inside, pass through locking cylinder and hammer body
Cylinder, which is threadedly coupled, is axially fixed in lower contact on impact housing, hammer body cylinder and impacts housing by way of dental inlay and lower contact
Circumferentially fixed, sleeve is mounted between crossover sub and hammer body cylinder；Liquid energy is converted by the turbine rotor of turbine assembly
For the mechanical energy of rotation, so as to drive the rotary valve rotation of impact assembly, due to being all provided with hole in rotary valve and valve deck, make drilling well
Liquid periodically into tup and hammer body barrel chamber, periodically hits hammer body cylinder in the promotion lower ram of liquid and generates circumferential jarring, together
When rotary valve and valve deck axial hole periodically dislocation change fluid pressure, generate the axial vibrations of high frequency, and connect under passing through
Axial and circumferential impact force is transferred to drill bit by head, eliminates stick-slip phenomenon, improves efficiency of breaking rock.
The two-way high frequency composite impact device of turbine type described in said program, it is characterised in that：Before the rotary valve
End plate face is opened there are two symmetrical scallop hole, is circumferentially opened there are two symmetrical circular hole in back end cylindrical, rotary valve is in turbine assembly
Drive under rotate, and make fluid pressure cyclically-varying under the action of valve deck, generate axial vibrations impact；The valve deck
4 fan-shaped inlet openings are provided with, including two impact inlet openings and two reset backhaul inlet openings, rotary valve rotation makes liquid
Periodically into impact inlet opening and backhaul inlet opening is resetted, the intracavitary of tup and hammer body cylinder is entered by inlet opening, utilizes liquid
Pressure promotes tup to be rotated in hammer body cylinder indentation, there, and liquid enters from impact inlet opening promotes tup circumferential direction positive direction to hit hammer body
Cylinder, liquid enter promotion tup circumferential direction negative direction return from backhaul inlet opening is resetted, and the sectional area ratio for impacting inlet opening resets back
The area of journey inlet opening is big, it can be achieved that single-revolution is to impact.
Hammer body cylinder described in the two-way high frequency composite impact device of said program turbine type hits end and is provided with two platforms being distributed
Rank notch is machined with internal thread in front end, for coordinating with the external screw thread of locking cylinder.
The beneficial effects of the utility model are：(1) solve that down-hole equipment in drilling process be easy to cause is hampered or meets
The problem of card；(2) it is short not generate axial compressive force, energy conversion efficiency height, axial dimension for the turbine assembly of the instrument；(3) work
Tool design is reasonable, dependable performance, while generating circumferential impact, can also generate axial vibration impact, so as to effectively protect drill bit,
The stick-slip of drill bit and bit freezing phenomenon are eliminated, improves rate of penetration；(4) instrument is adaptable, can be applied not only to deep layer straight well,
Can also cooperating with screw drill tool and orientation device be applied in directional well and horizontal well；(5) instrument, which has, acts without dead point, in circumferential direction
The advantages that forward impact power is big, reverse impact power is small impacts assembly；(6) the advantages that easy to operate, long lifespan, speed-increasing effect are good,
Cooperation PDC drill bit is using can effectively improve deep well hard formation rate of penetration.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the Section A-A figure in the utility model Fig. 1.
Fig. 3 is the section B-B figure in the utility model Fig. 1.
Fig. 4 is the C-C sectional views in the utility model Fig. 1.
Fig. 5 is rotary valve structure schematic diagram.
Fig. 6 is valve cover structure schematic diagram.
Fig. 7 is hammehead structure schematic three dimensional views.
Fig. 8 is hammer body barrel structure schematic diagram.
Fig. 9 is lower contact structure three-dimensional schematic diagram.
1. turbine body in figure, 2. angular contact ball bearings, 3. anti-lost ring a, 4. spacing collar a, 5. turbine stators, 6. turbines
Rotor, 7. driving keys, 8. spacing collar b, 9. rectangular seals, 10. turbine wheel shafts, 11. cylinder roller bearings, 12. thrust ball axis
It holds, 13. anti-lost ring b, 14. crossover subs, 15. transmission shafts, 16. short circuit heads, 17. sleeves, 18. rotary valves, 19. valve decks, 20.
Tup, 21. hammer body cylinders, 22. impact housings, 23. locking cylinders, 24. lower contacts.
Specific embodiment
With reference to the accompanying drawings and embodiments, the utility model is described in detail.
Referring to attached drawing, the two-way high frequency composite impact device of turbine type is by turbine assembly, impact assembly and crossover sub (14) group
Into, turbine assembly front end coupling adapter 14,14 front end of crossover sub connection impact assembly；The turbine assembly includes whirlpool
Take turns body 1, angular contact ball bearing 2, anti-lost ring a3, spacing collar a4, turbine stator 5, turbine rotor 6, driving key 7, stop collar
Cylinder b8, rectangular seal 9, turbine wheel shaft 10, cylinder roller bearing 11, thrust ball bearing 12, anti-lost ring b13, successively turn turbine
Son 6, turbine stator 5 and spacing collar b8 are mounted on by driving key 7 on turbine wheel shaft 10, and anti-lost ring a3 is mounted on turbine wheel shaft 10
Top, two angular contact ball bearings 2 are reversibly mounted on 10 top of turbine body 1 and turbine wheel shaft, in advance by spacing collar a4
It is installed in turbine body 1 with rectangular seal 9, then turbine stator 5 is put into turbine body 1 by spline fitted, from upper
It arrives down and cylinder roller bearing 11, thrust ball bearing 12 and anti-lost ring b13 is mounted on 10 leading portion step of turbine wheel shaft, turbine successively
10 front end of axis is threadedly coupled with transmission shaft 15；14 rear end of crossover sub is connected with turbine body 1, and front end is connected with short circuit head 16.
The impact assembly is by sleeve 17, rotary valve 18, valve deck 19, tup 20, hammer body cylinder 21, impact housing 22, lock
Tight cylinder 23 and lower contact 24 form, and the rear end of rotary valve 18 is threadedly secured to 15 front end of transmission shaft, and valve deck 19 is mounted on hammer
The end face of body cylinder 21, tup 24 are mounted between valve deck 21 and hammer body cylinder 21, and hammer body cylinder 21 is mounted on the interior of impact housing 22
Portion is threadedly coupled by locking cylinder 23 and hammer body cylinder 21 and lower contact 24 is axially fixed on impact housing 22,21 He of hammer body cylinder
It is circumferentially fixed with lower contact 24 by way of dental inlay to impact housing 22, sleeve 17 mounted on crossover sub 14 and hammer body cylinder 21 it
Between；Liquid energy is converted into the mechanical energy of rotation by the turbine rotor 6 of turbine assembly, so as to drive the rotation of impact assembly
Valve 18 rotates, and due to being all provided with hole in rotary valve 18 and valve deck 19, makes drilling fluid periodically into 21 intracavitary of tup 20 and hammer body cylinder,
Hammer body cylinder, which is periodically hit, in the promotion lower ram 20 of liquid generates circumferential jarring, while the axial hole of rotary valve 18 and valve deck 19
Periodically dislocation changes fluid pressure, generates the axial vibrations of high frequency, and passes through lower contact 24 by axial and circumferential impact force
Drill bit is transferred to, eliminates stick-slip phenomenon, improves efficiency of breaking rock.
The front end disk of the rotary valve 18 is opened there are two symmetrical scallop hole, circumferentially opens that there are two right in back end cylindrical
The circular hole of title, rotary valve 18 rotate under the drive of turbine assembly, and under the action of valve deck 19 fluid pressure are made periodically to become
Change, generate axial vibrations impact；The valve deck 19 is provided with 4 fan-shaped inlet openings, including two impact inlet openings and two
A reset backhaul inlet opening, the rotation of rotary valve 18 make liquid periodically into impact inlet opening and reset backhaul inlet opening, pass through
Inlet opening enters the intracavitary of tup 20 and hammer body cylinder 21, is rotated using hydraulic drive tup 20 in 21 indentation, there of hammer body cylinder, liquid
Enter from impact inlet opening and the circumferential positive direction of tup 20 is promoted to hit hammer body cylinder 21, liquid enters promotion from backhaul inlet opening is resetted
The circumferential negative direction return of tup 20, the sectional area for impacting inlet opening it is bigger than the area for resetting backhaul inlet opening, it can be achieved that single-revolution to
Impact.
The hammer body cylinder 21 hits end and is provided with two step notches being distributed, is machined with internal thread in front end, is used for
Coordinate with the external screw thread of locking cylinder 23.
Claims (4)
1. the two-way high frequency composite impact device of turbine type, it is characterised in that：The two-way high frequency composite impact device of the turbine type is by whirlpool
Wheel assembly, impact assembly and crossover sub (14) form, turbine assembly front end coupling adapter (14), before crossover sub (14)
End connection impact assembly；The turbine assembly includes turbine body (1), angular contact ball bearing (2), anti-lost ring a (3), /V
Sleeve a (4), turbine stator (5), turbine rotor (6), driving key (7), spacing collar b (8), rectangular seal (9), turbine wheel shaft
(10), cylinder roller bearing (11), thrust ball bearing (12), anti-lost ring b (13), successively by turbine rotor (6), turbine stator
(5) it is mounted on spacing collar b (8) by driving key (7) on turbine wheel shaft (10), anti-lost ring a (3) is mounted on turbine wheel shaft (10)
Top, two angular contact ball bearings (2) are reversibly mounted on turbine body (1) and turbine wheel shaft (10) top, in advance by /V
Sleeve a (4) and rectangular seal (9) are installed in turbine body (1), then turbine stator (5) is put into whirlpool by spline fitted
It takes turns in body (1), is from top to bottom successively mounted on cylinder roller bearing (11), thrust ball bearing (12) and anti-lost ring b (13)
Turbine wheel shaft (10) leading portion step, turbine wheel shaft (10) front end are threadedly coupled with transmission shaft (15)；Crossover sub (14) rear end and turbine
Body (1) connects, and front end is connected with short circuit head (16)；The impact assembly includes sleeve (17), rotary valve (18), valve deck
(19), tup (20), hammer body cylinder (21), impact housing (22), locking cylinder (23) and lower contact (24), the rear end of rotary valve (18)
Transmission shaft (15) front end is threadedly secured to, valve deck (19) is mounted on the end face of hammer body cylinder (21), and tup (20) is mounted on valve
It covers between (19) and hammer body cylinder (21), hammer body cylinder (21) is mounted on the inside of impact housing (22), passes through locking cylinder (23) and hammer
Body cylinder (21), which is threadedly coupled, is axially fixed in lower contact (24) on impact housing (22), hammer body cylinder (21) and impact housing (22)
It is circumferentially fixed with lower contact (24) by way of dental inlay, sleeve (17) be mounted on crossover sub (14) and hammer body cylinder (21) it
Between；Liquid energy is converted into the mechanical energy of rotation by the turbine rotor (6) of turbine assembly, so as to drive the rotation of impact assembly
Rotary valve (18) rotates, and due to being all provided with hole in rotary valve (18) and valve deck (19), makes drilling fluid periodically into tup (20) and hammer
Body cylinder (21) intracavitary periodically hits hammer body cylinder in the promotion lower ram (20) of liquid and generates circumferential jarring, while rotary valve
(18) and the periodically dislocation of the axial hole of valve deck (19) changes fluid pressure, generates the axial vibrations of high frequency, and is connect under passing through
Axial and circumferential impact force is transferred to drill bit by head (24).
2. the two-way high frequency composite impact device of turbine type according to claim 1, it is characterised in that：The rotary valve (18)
Front end disk open there are two symmetrical scallop hole, circumferentially opened there are two symmetrical circular hole in back end cylindrical, rotary valve (18) exists
It is rotated under the drive of turbine assembly, and makes fluid pressure cyclically-varying under the action of valve deck (19), generate axial vibrations punching
It hits.
3. the two-way high frequency composite impact device of turbine type according to claim 1, it is characterised in that：The valve deck (19) is opened
There are 4 fan-shaped inlet openings, including two impact inlet openings and two reset backhaul inlet openings, rotary valve (18) rotation makes liquid
Body periodically into impact inlet opening and resets backhaul inlet opening, and the chamber of tup (20) and hammer body cylinder (21) is entered by inlet opening
It is interior, it is rotated using hydraulic drive tup (20) in hammer body cylinder (21) indentation, there, liquid enters promotion tup from impact inlet opening
(20) circumferential positive direction hits hammer body cylinder (21), and liquid enters from reset backhaul inlet opening promotes the circumferential negative direction of tup (20) to return
The sectional area of inlet opening is impacted than resetting backhaul inlet opening in position1Area it is big, it can be achieved that single-revolution is to impact.
4. the two-way high frequency composite impact device of turbine type according to claim 1, it is characterised in that：The hammer body cylinder
(21), hit end and be provided with two step notches being distributed, internal thread is machined in front end, for the outer spiral shell with locking cylinder (23)
Line coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471913.7U CN207436906U (en) | 2017-11-07 | 2017-11-07 | The two-way high frequency composite impact device of turbine type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471913.7U CN207436906U (en) | 2017-11-07 | 2017-11-07 | The two-way high frequency composite impact device of turbine type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436906U true CN207436906U (en) | 2018-06-01 |
Family
ID=62292183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721471913.7U Expired - Fee Related CN207436906U (en) | 2017-11-07 | 2017-11-07 | The two-way high frequency composite impact device of turbine type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436906U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915583A (en) * | 2018-06-25 | 2018-11-30 | 北京工业大学 | Mechanical composite impact drilling speed tool |
| CN112627721A (en) * | 2020-12-19 | 2021-04-09 | 李永和 | Continuous axial impact rock breaking hammer |
-
2017
- 2017-11-07 CN CN201721471913.7U patent/CN207436906U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915583A (en) * | 2018-06-25 | 2018-11-30 | 北京工业大学 | Mechanical composite impact drilling speed tool |
| CN112627721A (en) * | 2020-12-19 | 2021-04-09 | 李永和 | Continuous axial impact rock breaking hammer |
| CN112627721B (en) * | 2020-12-19 | 2022-11-01 | 盘锦卓汇钻井技术开发有限责任公司 | Continuous axial impact rock breaking hammer |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20181107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |