CN110374495A - A kind of high frequency circumferential direction impact type spiral drilling rig structure - Google Patents
A kind of high frequency circumferential direction impact type spiral drilling rig structure Download PDFInfo
- Publication number
- CN110374495A CN110374495A CN201910790944.6A CN201910790944A CN110374495A CN 110374495 A CN110374495 A CN 110374495A CN 201910790944 A CN201910790944 A CN 201910790944A CN 110374495 A CN110374495 A CN 110374495A
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- Prior art keywords
- assembly
- lost
- shell
- bearing
- impact
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- 238000005553 drilling Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 9
- 239000011435 rock Substances 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 4
- 238000009527 percussion Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 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
Landscapes
- 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 provides a kind of high frequency circumferential direction impact type spiral drilling rig structure, including by-pass valve assembly, anti-lost assembly, motor assembly, universal axle assembly, driving-shaft assembly and circumferential impact assembly, by-pass valve assembly, anti-lost assembly, motor assembly, universal axle assembly, driving-shaft assembly, circumferential impact assembly are sequentially connected.The beneficial effects of the present invention are: high frequency circumferential direction impact type spiral drilling rig structure cooperation PDC drill bit is used together, eliminate the phenomenon of the one or more vibrations (laterally, longitudinal direction and twisting) and card cunning that are likely to occur when downhole drill bit movement, make the torque of entire drill string that stabilization and balance be kept to be given on drill bit, its rock breaking mechanism is based on impact grinding, and it is subject to high-frequency rotating shearing rock stratum, it quickly, is steadily crept into realize, improves drilling efficiency, save drilling cost.
Description
Technical field
The present invention relates to petroleum, natural gas extraction drilling tool field, circumferentially impact more specifically to a kind of high frequency
Formula spiral drilling rig structure.
Background technique
Currently, simple drill string or helicoid hydraulic motor combination only provide power to drill bit, the torque of entire drill string can not be made
Keep stablizing and balance, cannot make power it is uniform and stable pass to drill bit, and the movement of PDC drill bit is extremely unordered, packet
Include the combination of transverse direction, longitudinal direction and the vibration of twisting and these types vibration.Underground vibrating can damage single PDC cutting tooth, cause to bore
Head service life reduction causes torque ripple interference oriented control and well logging (LWD) signal, and generates irregular borehole reduction
Wellbore quality improves drilling cost to substantially reduce rate of penetration.
Summary of the invention
The present invention overcomes deficiencies in the prior art, provide a kind of high frequency circumferential direction impact type spiral drilling rig structure.
The purpose of the present invention is achieved by following technical proposals.
A kind of high frequency circumferential direction impact type spiral drilling rig structure, including it is by-pass valve assembly, anti-lost assembly, motor assembly, universal
Axle assembly, driving-shaft assembly and circumferential impact assembly, it is the by-pass valve assembly, the anti-lost assembly, the motor assembly, described
Universal axle assembly, the driving-shaft assembly, the circumferential impact assembly are sequentially connected.
Further, the driving-shaft assembly includes transmission shaft, upper transverse bearing, upper bearing (metal) shell, lower radial bearing, lower bearing
Shell and bearing, the lower radial bearing, the lower bearing shell and the bearing are packed into the transmission shaft upper end, by the upper bearing (metal)
Shell and the lower bearing shell phase connect, and are packed into the upper transverse bearing and step up with the transmission shaft.
Further, the circumferential impact assembly includes strainer, impact anvil, jump bit, reversing shaft and lower contact, the filter
Net, the impact anvil, the jump bit, the reversing shaft are packed into inside the transmission shaft lower end, the impact anvil with it is described under
Connector is connected.
Further, the universal axle assembly includes universal shaft housing and universal shaft, the transmission shaft upper end with it is described universal
Axis lower end is connected, and upper bearing (metal) shell upper end is connected with the universal shaft housing lower end.
Further, the anti-lost assembly includes anti-lost shell, anti-lost mandrel and anti-lost nut, the anti-lost nut with it is described
Anti-lost mandrel upper end is connected, and the rotor upper end of the motor assembly is connected with the anti-lost mandrel lower end, the motor assembly
Stator upper end is connected with the anti-lost shell lower end.
Further, the by-pass valve assembly includes bypass valve shell, spool, valve seat, spring, circlip, filter ruffle, the valve
Core, the valve seat, the spring, the circlip, the filter ruffle are packed into the bypass valve shell, the bypass valve shell lower end and
The anti-lost upper shell is connected.
The invention has the benefit that
High frequency circumferential direction impact type spiral drilling rig structure by by-pass valve assembly, anti-lost assembly, motor assembly, universal axle assembly,
Driving-shaft assembly, circumferential impact assembly composition；Drilling fluid high-pressure slurry flows through by-passing valve, anti-lost, motor, universal shaft, transmission shaft
Simple mechanical kinetic energy is generated, then circumferential impact part is entered by high-pressure slurry, circumferential impact is internal a mud flow rate
Distributor, the mud with 200-400 horsepowers of great power is assigned in tubular tool by it.From the huge energy of mud
So that two power sections of the jump bit in tool mutually invert, in generation circumferential direction, homogeneous constant high frequency rushes amount
Power is hit, this frequency reaches 750-1500 times per minute, and PDC drill bit is cooperated to be used together, and concentrates and be equably given to
On entire bit body, the one or more vibrations (laterally, longitudinal direction and twisting) being likely to occur when downhole drill bit movement are eliminated
Phenomenon, makes that the torque of entire drill string keeps stablizing and balance, rock breaking mechanism are and to be subject to high-frequency rotating based on impact grinding
Rock stratum is sheared, main function is that protection drill bit is that drilling life of bit increases while guaranteeing wellbore quality, is eliminated due to viscous
Sliding bring is dangerous；Mud kinetic energy is converted into the high-frequency percussion energy in twisting, and passes to PDC drill bit, is greatly improved in
Hard and ultrahard rock stratum rate of penetration；Increase the stability of PDC drill bit work, eliminate the error that is generated in positioning operation and
Failure；The case where reduction causes motor to fail because of non-uniform excessively high torsion；Huge drilling cost and drilling time are saved,
Improve drilling efficiency.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
In figure:
1, by-pass valve assembly；2, anti-lost assembly；3, motor assembly；4, universal axle assembly；
5, driving-shaft assembly；6, circumferential impact assembly；7, jump bit；8, anvil is impacted.
Specific embodiment
Below by specific embodiment, further description of the technical solution of the present invention.
A kind of high frequency circumferential direction impact type spiral drilling rig structure as shown in Figure 1, including by-pass valve assembly 1, anti-lost assembly 2, horse
Up to assembly 3, universal axle assembly 4, driving-shaft assembly 5 and circumferential impact assembly 6, by-pass valve assembly 1, anti-lost assembly 2, motor assembly
3, universal axle assembly 4, driving-shaft assembly 5, circumferential impact assembly 6 are sequentially connected.
The driving-shaft assembly includes transmission shaft, upper transverse bearing, upper bearing (metal) shell, lower radial bearing, lower bearing shell and axis
It holds, the lower radial bearing, the lower bearing shell and the bearing are packed into the transmission shaft upper end, by the upper bearing (metal) shell and institute
Lower bearing shell phase company is stated, the upper transverse bearing is packed into and is stepped up with the transmission shaft.
The circumferential impact assembly includes strainer, impact anvil 8, jump bit 7, reversing shaft and lower contact, the strainer, described
It impacts anvil 8, jump bit 7, the reversing shaft to be packed into inside the transmission shaft lower end, the impact anvil is connected with the lower contact.
The universal axle assembly includes universal shaft housing and universal shaft, the transmission shaft upper end and universal shaft lower end phase
Even, upper bearing (metal) shell upper end is connected with the universal shaft housing lower end.
The anti-lost assembly includes anti-lost shell, anti-lost mandrel and anti-lost nut, the anti-lost nut and the anti-lost core
Axis upper end is connected, and the rotor upper end of the motor assembly is connected with the anti-lost mandrel lower end, on the stator of the motor assembly
End is connected with the anti-lost shell lower end.
The by-pass valve assembly includes bypass valve shell, spool, valve seat, spring, circlip, filter ruffle, the spool, the valve
Seat, the spring, the circlip, the filter ruffle are packed into the bypass valve shell, the bypass valve shell lower end with it is described anti-lost
Upper shell is connected.
Working method: after drilling fluid enters by-pass valve assembly 1 by drilling rod, closing spool, and then drilling fluid enters anti-lost
Assembly enters motor assembly 3 by anti-lost assembly 2, forms the rotor rotation that certain pressure difference pushes motor in motor import and export, produces
Raw torque and revolving speed carry out the transmitting of torque and revolving speed by universal axle assembly 4 and driving-shaft assembly 5, and drilling fluid is via transmission
Axis enters circumferential impact assembly 6, and the huge energy of mud inverts two power sections of the jump bit 7 in tool mutually
Come, generate in circumferential direction, homogeneous constant high-frequency percussion power, frequency reaches 750-1500 times per minute.It is produced by motor portion
Raw torque, revolving speed and the circumferential high-frequency percussion power for impacting assembly generation simultaneously cooperate PDC drill bit to be used together, and concentrate uniform
Ground has been given on entire bit body, eliminates one or more vibrations (the laterally, Zong Xianghe being likely to occur when downhole drill bit movement
Twisting) the phenomenon that, so that the torque of entire drill string is kept stablizing and is balanced, and be subject to high-frequency rotating shearing rock stratum.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should still be within the scope of the patent of the present invention.
Claims (6)
1. a kind of high frequency circumferential direction impact type spiral drilling rig structure, it is characterised in that: including by-pass valve assembly, anti-lost assembly, motor
Assembly, universal axle assembly, driving-shaft assembly and circumferential impact assembly, the by-pass valve assembly, the anti-lost assembly, the motor
Assembly, the universal axle assembly, the driving-shaft assembly, the circumferential impact assembly are sequentially connected.
2. high frequency circumferential direction impact type spiral drilling rig structure according to claim 1, it is characterised in that: the driving-shaft assembly
It is the lower radial bearing, described including transmission shaft, upper transverse bearing, upper bearing (metal) shell, lower radial bearing, lower bearing shell and bearing
Lower bearing shell and the bearing are packed into the transmission shaft upper end, and the upper bearing (metal) shell and the lower bearing shell phase are connected, and are packed into institute
It states transverse bearing and steps up with the transmission shaft.
3. high frequency circumferential direction impact type spiral drilling rig structure according to claim 2, it is characterised in that: the circumferential impact is total
At including strainer, impact anvil, jump bit, reversing shaft and lower contact, the strainer, the jump bit, described is changed the impact anvil
It is packed into inside the transmission shaft lower end to axis, the impact anvil is connected with the lower contact.
4. high frequency circumferential direction impact type spiral drilling rig structure according to claim 3, it is characterised in that: the universal axle assembly
Including universal shaft housing and universal shaft, the transmission shaft upper end is connected with the universal shaft lower end, upper bearing (metal) shell upper end with
The universal shaft housing lower end is connected.
5. high frequency circumferential direction impact type spiral drilling rig structure according to claim 4, it is characterised in that: the anti-lost assembly packet
Anti-lost shell, anti-lost mandrel and anti-lost nut are included, the anti-lost nut is connected with the anti-lost mandrel upper end, the motor assembly
Rotor upper end be connected with the anti-lost mandrel lower end, the stator upper end of the motor assembly and the anti-lost shell lower end phase
Even.
6. high frequency circumferential direction impact type spiral drilling rig structure according to claim 5, it is characterised in that: the by-pass valve assembly
Including bypass valve shell, spool, valve seat, spring, circlip, filter ruffle, the spool, the valve seat, the spring, the circlip,
The filter ruffle is packed into the bypass valve shell, and the bypass valve shell lower end is connected with the anti-lost upper shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790944.6A CN110374495A (en) | 2019-08-26 | 2019-08-26 | A kind of high frequency circumferential direction impact type spiral drilling rig structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790944.6A CN110374495A (en) | 2019-08-26 | 2019-08-26 | A kind of high frequency circumferential direction impact type spiral drilling rig structure |
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| Publication Number | Publication Date |
|---|---|
| CN110374495A true CN110374495A (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910790944.6A Pending CN110374495A (en) | 2019-08-26 | 2019-08-26 | A kind of high frequency circumferential direction impact type spiral drilling rig structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577120A (en) * | 2020-04-29 | 2020-08-25 | 北京工业大学 | Torsional impact screw drill |
| CN112065268A (en) * | 2020-10-09 | 2020-12-11 | 宜宾学院 | Torque balance downhole power drilling tool |
| CN113006682A (en) * | 2021-03-23 | 2021-06-22 | 北京工业大学 | Axial impact oscillation screw drill |
| CN117418775A (en) * | 2023-12-18 | 2024-01-19 | 盐城市新永佳石油机械制造有限公司 | Mining ultra-short large-torque screw drilling tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577120A (en) * | 2020-04-29 | 2020-08-25 | 北京工业大学 | Torsional impact screw drill |
| CN112065268A (en) * | 2020-10-09 | 2020-12-11 | 宜宾学院 | Torque balance downhole power drilling tool |
| CN112065268B (en) * | 2020-10-09 | 2022-06-14 | 宜宾学院 | Torque balance downhole power drilling tool |
| CN113006682A (en) * | 2021-03-23 | 2021-06-22 | 北京工业大学 | Axial impact oscillation screw drill |
| CN117418775A (en) * | 2023-12-18 | 2024-01-19 | 盐城市新永佳石油机械制造有限公司 | Mining ultra-short large-torque screw drilling tool |
| CN117418775B (en) * | 2023-12-18 | 2024-03-01 | 盐城市新永佳石油机械制造有限公司 | Mining ultra-short large-torque screw drilling tool |
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