CN107120062B - A kind of high speed impact drilling tool - Google Patents
A kind of high speed impact drilling tool Download PDFInfo
- Publication number
- CN107120062B CN107120062B CN201710568272.5A CN201710568272A CN107120062B CN 107120062 B CN107120062 B CN 107120062B CN 201710568272 A CN201710568272 A CN 201710568272A CN 107120062 B CN107120062 B CN 107120062B
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- China
- Prior art keywords
- rotary shaft
- inner cavity
- screwed connection
- power shell
- hammer body
- 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
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- 238000005553 drilling Methods 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 abstract description 9
- 239000011435 rock Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of high speed impact drilling tools of oil and gas industry medium ground drillng operation.It solves the problems, such as that hard formation drilling efficiency is low.Its technical solution is: top connection upper end and upper drilling string screwed connection, transmission shaft lower end and drill bit screwed connection；Turbine assembly is placed in power housing cavity；Thrust bearing is mounted in the raised step of power housing cavity lower part, the raised step of outer circle and thrust bearing fitting in the middle part of rotary shaft；Hammer body is inserted on rotary shaft lower spline axis；Barrel bore covers in hammer body outer circle, and two steel balls are respectively implanted in the middle part of sleeve in two through-holes, and two steel balls can slide in the cylindrical cam groove of hammer body outer circle；Disc spring is installed between disc spring seat and hammer anvil cylinder；Outer cylinder upper end and the lower end screwed connection of power shell, outer cylinder lower end cap off screwed connection with anti-.It can provide high-frequency alternating axial force while output torque of the present invention, be conducive to hard formation broken rock, improve hard formation drilling efficiency, reduce drilling cost.
Description
Technical field
The present invention relates to a kind of high speed impact drilling tools of oil and gas industry medium ground drillng operation.
Background technique
In oil and gas industry, drillng operation has the characteristics that the period is long, investment is high, risk is big, technical requirements are high,
And as the degree of resource exploitation increases, the exploitation of deep-well and ultradeep well is all the more important, and the requirement to drilling technology further mentions
It is high.With the increase of drilling depth, formation hardness and intensity are significantly improved, and the efficiency of hard formation drilling is generally relatively low, are increased
Drilling cost is added.
Hard formation is crept into, drilling efficiency can be significantly improved by the way of percussion drilling, the mechanism of action is to allow
While rock is by torsion cutting, high-frequency alternating bit pressure is born, the constant bit pressure drilling of conventional drilling is different from, greatly mentions
Drilling efficiency is risen, drilling cost is reduced.For the function of realizing above-mentioned percussion drilling, need to develop dedicated percussion drilling tool.
Based on above-mentioned technical background, the present invention provides a kind of high speed impact drilling tools, are providing torque for drill bit
Meanwhile applying high-frequency alternating bit pressure, improve drilling efficiency.
Summary of the invention
The purpose of the present invention is: in order to improve hard formation drilling efficiency, provide a kind of high speed impact drilling tool.
In order to achieve the above object, the invention adopts the following technical scheme: a kind of high speed impact drilling tool, is connect from above
Head, locking cap, turbine assembly, rotary shaft, power shell, thrust bearing, hammer body, sleeve, steel ball, hammer anvil cylinder, outer cylinder, disc spring,
Disc spring seat, transmission shaft and anti-cap off composition；Its structure feature is: top connection upper end and upper drilling string screwed connection, under transmission shaft
End and drill bit screwed connection；One step surface is set in the middle part of power housing cavity, and raised platform is enclosed in power housing cavity lower part setting one
Rank；Turbine assembly is assembled by turbine stator vane and turbine rotor blade, and turbine assembly is placed in power housing cavity；On
Connector lower end and the upper end screwed connection of power shell, top connection lower end surface and the tight turbine group of power housing cavity middle bench face pressure
The turbine stator vane of part；Rotary shaft upper end is set as male thread, and rotary shaft top is set as Step Shaft, rotary shaft lower part outer circle
It is set as splined shaft, rotary shaft lower lumen is set as blind hole, and circumferential three inclined holes that are uniformly arranged are connected to interior exocoel in the middle part of rotary shaft
Raised step is arranged in space, rotary shaft middle part outer circle；Turbine assembly is inserted in rotary shaft upper step axis, rotary shaft upper end and locking
Cap screwed connection, the turbine rotor blade of locking cap and rotation shaft compression turbine assembly；Thrust bearing is mounted in power shell
In the raised step of chamber lower part, the raised step of outer circle and thrust bearing fitting in the middle part of rotary shaft；Hammer body inner cavity is set as spline,
One circle cylindrical cam groove of hammer body outer circle setting, the cross sectional shape of cylindrical cam groove is semicircle；Hammer body is inserted under rotary shaft
On portion's splined shaft；Circumferential in the middle part of sleeve to be uniformly arranged two through-holes, barrel bore covers in hammer body outer circle, and two steel balls are set respectively
Enter in the middle part of sleeve in two through-holes, two steel balls can slide in the cylindrical cam groove of hammer body outer circle；Hammer anvil cylinder is one
Cylindrical drum, hammer anvil cylinder are inserted in rotary shaft lower spline axis；Transmission shaft lower end is set as box thread, and transmission shaft inner cavity is set as logical
Hole, transmission shaft upper end inner cavity are set as spline, and transmission shaft upper end outer circle is set as male thread；Disc spring seat and transmission shaft upper end screw thread
Connection, transmission shaft top are inserted into rotary shaft lower part, install disc spring between disc spring seat and hammer anvil cylinder；Setting one in the middle part of outer tube inner chamber
Terrace, outer cylinder upper end and the lower end screwed connection of power shell, outer cylinder lower end cap off screwed connection with anti-；Outer tube inner chamber middle bench
Face and power shell lower end surface clamp sleeve.
The beneficial effects of the present invention are: can provide high-frequency alternating axial force while (1) output torque of the present invention, it is conducive to hard
Stratum broken rock improves hard formation drilling efficiency；(2) present invention is driven by drilling fluid, and power is reliable；(3) present invention uses turbine
For component as power, revolving speed is high, and axial force alternative frequency is high, is conducive to hard formation catalase；(4) pure mechanic structure, underground are disliked
Reliable performance under bad operating condition.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that state is hit under a kind of high speed impact drilling tool hammer body of the present invention；
Fig. 2 is the structural schematic diagram that state is returned on a kind of high speed impact drilling tool hammer body of the present invention；
Fig. 3 is Fig. 2A-A cross-sectional view；
Fig. 4 is Fig. 2 section B-B cross-sectional view；
Fig. 5 is the three dimensional structure diagram of hammer body；
In figure: 1. top connections, 2. locking caps, 3. turbine assemblies, 4. rotary shafts, 5. power shells, 6. thrust bearings, 7. hammers
Body, 8. sleeves, 9. steel balls, 10. hammer anvil cylinders, 11. outer cylinders, 12. disc springs, 13. disc spring seats, 14. transmission shafts, 15. prevent capping off.
Specific embodiment
As depicted in figs. 1 and 2, a kind of high speed impact drilling tool is by top connection 1, locking cap 2, turbine assembly 3, rotation
Shaft 4, power shell 5, thrust bearing 6, hammer body 7, sleeve 8, steel ball 9, hammer anvil cylinder 10, outer cylinder 11, disc spring 12, disc spring seat 13,
Transmission shaft 14 caps off 15 compositions with anti-；Its structure feature is: 1 upper end of top connection and upper drilling string screwed connection, under transmission shaft 14
End and drill bit screwed connection；One step surface, 5 inner cavity lower part of power shell setting, one circle protrusion are set in the middle part of 5 inner cavity of power shell
Step；Turbine assembly 3 is assembled by turbine stator vane and turbine rotor blade, and turbine assembly 3 is placed in power shell 5
Chamber；The 5 upper end screwed connection of 1 lower end of top connection and power shell, 5 inner cavity middle bench face of 1 lower end surface of top connection and power shell
Compress the turbine stator vane of turbine assembly 3；4 upper end of rotary shaft is set as male thread, and 4 top of rotary shaft is set as Step Shaft,
4 lower part outer circle of rotary shaft is set as splined shaft, and 4 lower lumen of rotary shaft is set as blind hole, and 4 middle part of rotary shaft is circumferential to be uniformly arranged
Three inclined holes are connected to inside and outside cavity space, 4 middle part outer circle of rotary shaft setting, one circle raised step；Turbine assembly 3 is inserted in 4 top of rotary shaft
Step Shaft, 2 screwed connection of 4 upper end of rotary shaft and locking cap, locking cap 2 and rotary shaft 4 compress the turbine rotor leaf of turbine assembly 3
Piece；Thrust bearing 6 is mounted in the raised step of 5 inner cavity lower part of power shell, the raised step of 4 middle part outer circle of rotary shaft and is pushed away
Power bearing 6 is bonded；As shown in figure 5,7 inner cavity of hammer body is set as spline, 7 outer circle of hammer body setting, one circle cylindrical cam groove, cylinder
The cross sectional shape of cam groove is semicircle；As shown in figure 3, hammer body 7 is inserted on 4 lower spline axis of rotary shaft, 8 middle part week of sleeve
To two through-holes are uniformly arranged, 8 inner cavity of sleeve covers in 7 outer circle of hammer body, and it is logical that two steel balls 9 are respectively implanted two, 8 middle part of sleeve
In hole, two steel balls 9 can slide in the cylindrical cam groove of 7 outer circle of hammer body；Hammer anvil cylinder 10 is a cylindrical drum, hammer anvil cylinder
10 are inserted in 4 lower spline axis of rotary shaft；14 lower end of transmission shaft is set as box thread, and 14 inner cavity of transmission shaft is set as through-hole, transmission
14 upper end inner cavity of axis is set as spline, and 14 upper end outer circle of transmission shaft is set as male thread；As shown in figure 4, disc spring seat 13 and transmission
4 lower part of rotary shaft is inserted on 14 upper end screwed connection of axis, 14 top of transmission shaft；Disc spring is installed between disc spring seat 13 and hammer anvil cylinder 10
12；One step surface is set in the middle part of 11 inner cavity of outer cylinder, the 5 lower end screwed connection of 11 upper end of outer cylinder and power shell, 11 lower end of outer cylinder and
It is anti-to cap off 15 screwed connections；11 inner cavity middle bench face of outer cylinder and 5 lower end surface clamp sleeve 8 of power shell.
A kind of working principle of high speed impact drilling tool of invention is: turn on pump circulating fluid, turbine assembly 3
Drive 4 high speed rotation of rotary shaft；4 lower spline axis of rotary shaft drives hammer body 7 to rotate, and hammer body 7 does axial direction under the action of steel ball 9
High-frequency reciprocating movement, hammers hammer anvil cylinder 10 repeatedly；Hammer anvil cylinder 10 is using disc spring 12, disc spring seat 13 high-frequency alternating axial force transmission
To transmission shaft 14, it is ultimately applied on drill bit；Rotary shaft 4 drives 14 high speed rotation of transmission shaft simultaneously.
Claims (1)
1. a kind of high speed impact drilling tool is by top connection (1), locking cap (2), turbine assembly (3), rotary shaft (4), power
Shell (5), thrust bearing (6), hammer body (7), sleeve (8), steel ball (9), hammer anvil cylinder (10), outer cylinder (11), disc spring (12), disc spring
Seat (13), transmission shaft (14) and anti-cap off (15) are constituted；It is characterized by: top connection (1) upper end and upper drilling string screwed connection,
Transmission shaft (14) lower end and drill bit screwed connection；One step surface, power shell (5) inner cavity are set in the middle part of power shell (5) inner cavity
One circle raised step of lower part setting；Turbine assembly (3) is assembled by turbine stator vane and turbine rotor blade, turbine group
Part (3) is placed in power shell (5) inner cavity；Top connection (1) lower end and power shell (5) upper end screwed connection, top connection (1) lower end
The turbine stator vane in face and power shell (5) the tight turbine assembly of inner cavity middle bench face pressure (3)；The setting of rotary shaft (4) upper end
For male thread, rotary shaft (4) top is set as Step Shaft, and rotary shaft (4) lower part outer circle is set as splined shaft, under rotary shaft (4)
Portion inner cavity is set as blind hole, and the inside and outside cavity space of three inclined holes connections rotary shaft (4) is circumferentially uniformly arranged in the middle part of rotary shaft (4),
One circle raised step of outer circle setting in the middle part of rotary shaft (4)；Turbine assembly (3) is inserted in rotary shaft (4) upper step axis, rotary shaft
(4) upper end and locking cap (2) screwed connection, locking cap (2) and rotary shaft (4) compress the turbine rotor blade of turbine assembly (3)；
Thrust bearing (6) is mounted in the raised step of power shell (5) inner cavity lower part, the raised step of outer circle in the middle part of rotary shaft (4)
It is bonded with thrust bearing (6)；Hammer body (7) inner cavity is set as spline, one circle cylindrical cam groove of hammer body (7) outer circle setting, cylinder
The cross sectional shape of cam groove is semicircle；Hammer body (7) is inserted on rotary shaft (4) lower spline axis；It is circumferential equal in the middle part of sleeve (8)
Two through-holes of even setting, sleeve (8) inner cavity cover in hammer body (7) outer circle, and two steel balls (9) are respectively implanted two in the middle part of sleeve (8)
In a through-hole, two steel balls (9) can the sliding in the cylindrical cam groove of hammer body (7) outer circle；Hammer anvil cylinder (10) is a circle
Column casing, hammer anvil cylinder (10) are inserted in rotary shaft (4) lower spline axis；Transmission shaft (14) lower end is set as box thread, transmission shaft (14)
Inner cavity is set as through-hole, and transmission shaft (14) upper end inner cavity is set as spline, and transmission shaft (14) upper end outer circle is set as male thread；Dish
Spring abutment (13) and transmission shaft (14) upper end screwed connection, transmission shaft (14) top be inserted into rotary shaft (4) lower part, disc spring seat (13) and
Disc spring (12) are installed between hammer anvil cylinder (10)；One step surface, outer cylinder (11) upper end and power shell are set in the middle part of outer cylinder (11) inner cavity
Body (5) lower end screwed connection, outer cylinder (11) lower end cap off (15) screwed connection with anti-；Outer cylinder (11) inner cavity middle bench face and dynamic
Power shell (5) lower end surface clamp sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568272.5A CN107120062B (en) | 2017-07-13 | 2017-07-13 | A kind of high speed impact drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568272.5A CN107120062B (en) | 2017-07-13 | 2017-07-13 | A kind of high speed impact drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107120062A CN107120062A (en) | 2017-09-01 |
| CN107120062B true CN107120062B (en) | 2018-12-21 |
Family
ID=59731286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710568272.5A Expired - Fee Related CN107120062B (en) | 2017-07-13 | 2017-07-13 | A kind of high speed impact drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107120062B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503678B (en) * | 2017-10-24 | 2018-10-30 | 西南石油大学 | Novel axial percussion tool based on turbine and cam |
| CN109488204B (en) * | 2018-11-09 | 2023-10-10 | 长江大学 | Downhole turbine driven rotary hammering device |
| CN112983257B (en) * | 2019-12-16 | 2022-03-08 | 中国石油化工股份有限公司 | Drilling tool |
| CN112983259B (en) * | 2019-12-16 | 2022-02-25 | 中国石油化工股份有限公司 | Drilling speed-up device |
| CN113123718B (en) * | 2020-01-15 | 2022-11-25 | 中国石油化工股份有限公司 | Anti-braking turbine drilling tool |
| 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 |
| CN116557024B (en) * | 2023-06-27 | 2024-03-26 | 山东兖能泰德重工有限公司 | Hard rock rotary connecting rod |
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|---|---|---|---|---|
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2017
- 2017-07-13 CN CN201710568272.5A patent/CN107120062B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN107120062A (en) | 2017-09-01 |
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