CN204627412U - The lenticular vibratory impulse drilling tool of screw drive - Google Patents
The lenticular vibratory impulse drilling tool of screw drive Download PDFInfo
- Publication number
- CN204627412U CN204627412U CN201520107617.3U CN201520107617U CN204627412U CN 204627412 U CN204627412 U CN 204627412U CN 201520107617 U CN201520107617 U CN 201520107617U CN 204627412 U CN204627412 U CN 204627412U
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- seat
- mandrel
- screw
- housing
- external spiral
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Abstract
The utility model relates to the lenticular vibratory impulse drilling tool of a kind of screw drive, belongs to oil and gas exploitation field.Primarily of lower support, improved mat, sliding bearing assembly, housing, combined seal ring, general flat key, inside spin seat, external spiral seat, top external spiral seat, special key, upper support, plug screw, anti-lost nut, mandrel, screw motor composition; The internal spline of described screw motor rotor coordinates with the external splines on mandrel top; During work, screw motor is rotated by rectangular spline connecting band moving mandrel, mandrel connects drive inside spin seat by general flat key and rotates, being interacted by screw inclined plane between internal and external screw seat makes external spiral seat do axially reciprocating again, drill bit is produced and impacts and suppressing action, thus realize the object of vibratory impulse drilling well.Beneficial effect: spiral starting of oscillation mechanism structure is simple, stable performance, easy to process, reliable operation, entire drill tool application life is longer, intensity is high, can adapt to the adverse circumstances of down-hole.
Description
Technical field
The utility model relates to the lenticular vibratory impulse drilling tool of a kind of screw drive, belongs to oil and gas exploitation field.
Background technology
Rotary percussion drilling is on the basis of common convolution drilling well, increasing an impactor makes it produce percussion, and by drill bit periodic shock dynamic changes process on stratum, the synergy rotated to realize shock loading and static pressure carrys out fractured rock, thus improves bit speed.Certain research is carried out to rotary percussion drilling technology both at home and abroad, and achieved certain achievement, developed a series of rotary impact drilling tool, but complicated structure, restricted lifetime, constrains popularization and the application of rotary impact drilling tool to a great extent.
Utility model content
The utility model is intended to solve the problem, provide a kind of reliability higher, down-hole adverse circumstances, the life-span is longer, bit speed the is fast lenticular vibratory impulse drilling tool of screw drive can be adapted to, its technical scheme adopted is as follows:
The lenticular vibratory impulse drilling tool of screw drive, primarily of lower support, improved mat, sliding bearing assembly, housing, combined seal ring, general flat key, inside spin seat, external spiral seat, top external spiral seat, special key, upper support, plug screw, anti-lost nut, mandrel, screw motor composition; Inside spin seat, external spiral seat and top external spiral seat is provided with between described upper support and lower support, inside spin seat, contact surface between external spiral seat and top external spiral seat have three sections of screw inclined planes, one section of low concave plane is had between every two sections of screw inclined planes, and inside spin seat helicoid upwards, and external spiral seat helicoid is downward; Described inside spin seat is connected with mandrel by general flat key; Described external spiral seat upper end is connected with housing by special key; The internal spline of described screw motor rotor coordinates with the external splines on mandrel top; Described screw motor stator is threaded with housing upper, is fixed on by stator on housing; Described anti-lost nut is arranged on mandrel middle and upper part, prevents mandrel in the process of making a trip from falling in well.
Described upper support is arranged in the middle part of mandrel, and in the middle part of it, step surface contacts with middle bench face in housing, and its external cylindrical surface is processed with ring-shaped groove, and corresponding with the NPT screwed hole of housing; Described plug screw afterbody inserts in ring-shaped groove, guarantees that upper support can not move up and down by the impact of drilling fluid; Described inside spin seat bottom face contacts with mandrel middle and lower part step surface; Described lower support is arranged on housing bottom, is used for righting mandrel; Described sliding bearing assembly is made up of, for improving the life-span of supporting surface axle sleeve, inside and outside YG8 carbide alloy slide plane; Described improved mat upper end is processed with two projections, can be embedded in the groove of housing lower end, and outer end is processed with two protrusion thin slices, is flexiblely embedded in the groove of lower support side; Described mandrel inside is provided with hollow duct, and bottom is processed with the connecting thread of API standard, in order to connect drill bit.
The beneficial effects of the utility model are: spiral starting of oscillation mechanism structure is simple, stable performance, easy to process, reliable operation, entire drill tool application life is longer, intensity is high, can adapt to the adverse circumstances of down-hole.
Accompanying drawing explanation
Fig. 1: the structure principle chart of the lenticular vibratory impulse drilling tool of the utility model screw drive;
Fig. 2: the structural representation of the utility model screw drive lenticular vibratory impulse drilling tool spiral base.
Symbol description:
1. lower support, 2. improved mat, 3. sliding bearing assembly, 4. housing, 5. combined seal ring, 6. general flat key, 7. inside spin seat, 8. external spiral seat, 9. top external spiral seat, 10. special key, supports on 11., 12. plug screws, 13. sliding bearing assemblies, 14. anti-lost nuts, 15. mandrels, 16. screw motors.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the utility model is described in further detail:
As shown in Figure 1-2, the lenticular vibratory impulse drilling tool of the utility model screw drive, primarily of lower support (1), improved mat (2), sliding bearing assembly (3), housing (4), combined seal ring (5), general flat key (6), inside spin seat (7), external spiral seat (8), top external spiral seat (9), special key (10), upper support (11), plug screw (12), sliding bearing assembly (13), anti-lost nut (14), mandrel (15), screw motor (16) composition; Inside spin seat (7), external spiral seat (8) and top external spiral seat (9) is provided with between described upper support (11) and lower support (1), inside spin seat (7), contact surface between external spiral seat (8) and top external spiral seat (9) have three sections of screw inclined planes, one section of low concave plane is had between every two sections of screw inclined planes, and inside spin seat (7) helicoid upwards, external spiral seat (8) helicoid is downward; Described inside spin seat (7) is connected with mandrel (15) by general flat key (6); Described external spiral seat (8) upper end is connected with housing (4) by special key (10); The internal spline of described screw motor (16) rotor coordinates with the external splines on mandrel (15) top; Described screw motor (16) stator is threaded with housing (4) top, is fixed on by stator on housing (4); Described anti-lost nut (14) is arranged on mandrel (15) middle and upper part, prevents mandrel (15) in the process of making a trip from falling in well.
Described upper support (11) is arranged on mandrel (15) middle part, in the middle part of it, step surface contacts with the interior middle bench face of housing (4), its external cylindrical surface is processed with ring-shaped groove, and corresponding with the NPT screwed hole of housing (4); Described plug screw (12) afterbody inserts in ring-shaped groove, guarantees that upper support (11) can not move up and down by the impact of drilling fluid; Described inside spin seat (7) bottom face contacts with mandrel (15) middle and lower part step surface; Described lower support (1) is arranged on housing (4) bottom, is used for righting mandrel (15); Described improved mat (2) upper end is processed with two projections, and can be embedded in the groove of housing (4) lower end, outer end is processed with two protrusion thin slices, is flexiblely embedded in the groove of lower support (1) side; Described mandrel (15) inside is provided with hollow duct, and bottom is processed with the connecting thread of API standard, in order to connect drill bit.
The utility model operationally, screw motor (16) is as well dynamic source, its rotor rotates, and rotated by rectangular spline connecting band moving mandrel (15), mandrel (15) is by driving inside spin seat (7) to rotate with the general flat key (6) of inside spin seat (7), again by inside spin seat (7), interaction between external spiral seat (8) and top external spiral seat (9) helicoid, be the axially reciprocating at external spiral seat (8) and top external spiral seat (9) by the convert rotational motion of inside spin seat (7).The decline stage of spiral base (8) and top external spiral seat (9) axially reciprocating outside, the drilling tool housing be connected with top external spiral seat (9) with external spiral seat (8) and top rod thereof, under the effect of self gravitation, downward impact inside spin seat (7), power is reached by mandrel (15) drill bit connected below again, thus realize the object of vibratory impulse drilling well, improve drilling speed simultaneously.
Claims (2)
1. the lenticular vibratory impulse drilling tool of screw drive, is characterized in that: primarily of lower support (1), improved mat (2), sliding bearing assembly (3), housing (4), combined seal ring (5), general flat key (6), inside spin seat (7), external spiral seat (8), top external spiral seat (9), special key (10), upper support (11), plug screw (12), sliding bearing assembly (13), anti-lost nut (14), mandrel (15), screw motor (16) composition; Inside spin seat (7), external spiral seat (8) and top external spiral seat (9) is provided with between described upper support (11) and lower support (1), inside spin seat (7), contact surface between external spiral seat (8) and top external spiral seat (9) have three sections of screw inclined planes, one section of low concave plane is had between every two sections of screw inclined planes, and inside spin seat (7) helicoid upwards, external spiral seat (8) helicoid is downward; Described inside spin seat (7) is connected with mandrel (15) by general flat key (6); Described external spiral seat (8) upper end is connected with housing (4) by special key (10); The internal spline of described screw motor (16) rotor coordinates with the external splines on mandrel (15) top; Described screw motor (16) stator is threaded with housing (4) top, is fixed on by stator on housing (4); Described anti-lost nut (14) is arranged on mandrel (15) middle and upper part.
2. the lenticular vibratory impulse drilling tool of screw drive according to claim 1, it is characterized in that: described upper support (11) is arranged on mandrel (15) middle part, in the middle part of it, step surface contacts with the interior middle bench face of housing (4), its external cylindrical surface is processed with ring-shaped groove, and corresponding with the NPT screwed hole of housing (4); Described plug screw (12) afterbody inserts in ring-shaped groove; Described inside spin seat (7) bottom face contacts with mandrel (15) middle and lower part step surface; Described lower support (1) is arranged on housing (4) bottom; Described sliding bearing assembly is made up of axle sleeve, inside and outside YG8 carbide alloy slide plane; Described improved mat (2) upper end is processed with two projections, and can be embedded in the groove of housing (4) lower end, outer end is processed with two protrusion thin slices, is flexiblely embedded in the groove of lower support (1) side; Described mandrel (15) inside is provided with hollow duct, and bottom is processed with the connecting thread of API standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107617.3U CN204627412U (en) | 2015-02-10 | 2015-02-10 | The lenticular vibratory impulse drilling tool of screw drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107617.3U CN204627412U (en) | 2015-02-10 | 2015-02-10 | The lenticular vibratory impulse drilling tool of screw drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204627412U true CN204627412U (en) | 2015-09-09 |
Family
ID=54046452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520107617.3U Expired - Fee Related CN204627412U (en) | 2015-02-10 | 2015-02-10 | The lenticular vibratory impulse drilling tool of screw drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204627412U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891557A (en) * | 2016-06-07 | 2016-08-24 | 台州发电厂 | Multifunctional electric operating rod |
| CN107448147A (en) * | 2017-09-26 | 2017-12-08 | 中国石油集团渤海钻探工程有限公司 | Pipe nipple occurs for underground hollow type annular pulse |
| CN108086935A (en) * | 2018-01-12 | 2018-05-29 | 上海幕青能源科技有限公司 | Intelligence rotation shake twin-stage unblocking and injection increasing oil extraction device |
| CN114934558A (en) * | 2022-04-01 | 2022-08-23 | 徐州巴特工程机械股份有限公司 | Full hydraulic rotary-impact crusher |
-
2015
- 2015-02-10 CN CN201520107617.3U patent/CN204627412U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891557A (en) * | 2016-06-07 | 2016-08-24 | 台州发电厂 | Multifunctional electric operating rod |
| CN107448147A (en) * | 2017-09-26 | 2017-12-08 | 中国石油集团渤海钻探工程有限公司 | Pipe nipple occurs for underground hollow type annular pulse |
| CN108086935A (en) * | 2018-01-12 | 2018-05-29 | 上海幕青能源科技有限公司 | Intelligence rotation shake twin-stage unblocking and injection increasing oil extraction device |
| CN114934558A (en) * | 2022-04-01 | 2022-08-23 | 徐州巴特工程机械股份有限公司 | Full hydraulic rotary-impact crusher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150909 Termination date: 20180210 |