CN210460490U - High-frequency circumferential impact type screw drilling tool structure - Google Patents
High-frequency circumferential impact type screw drilling tool structure Download PDFInfo
- Publication number
- CN210460490U CN210460490U CN201921392464.6U CN201921392464U CN210460490U CN 210460490 U CN210460490 U CN 210460490U CN 201921392464 U CN201921392464 U CN 201921392464U CN 210460490 U CN210460490 U CN 210460490U
- Authority
- CN
- China
- Prior art keywords
- assembly
- shell
- falling
- transmission shaft
- shaft
- 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.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a high frequency circumference impacted style screw rod drilling tool structure, strike the assembly including bypass valve assembly, anti-falling assembly, motor assembly, cardan shaft assembly, transmission shaft assembly and circumference, bypass valve assembly, anti-falling assembly, motor assembly, cardan shaft assembly, transmission shaft assembly, circumference are strikeed the assembly and are connected gradually. The utility model has the advantages that: the high-frequency circumferential impact type screw drilling tool structure is matched with a PDC drill bit to be used together, one or more vibration (transverse, longitudinal and torsional) and slipping phenomena which possibly occur when the underground drill bit moves are eliminated, the torque of the whole drill string is kept stable and balanced to be supplied to the drill bit, the rock breaking mechanism is mainly impact breaking, and high-frequency rotation is carried out to shear a rock stratum, so that the fast and stable drilling is realized, the drilling efficiency is improved, and the drilling cost is saved.
Description
Technical Field
The utility model relates to an oil, natural gas exploitation drilling tool field, more specifically say and relate to a high frequency circumference impacted style screw rod drilling tool structure.
Background
At present, a pure drill string or a screw drill assembly only provides power for a drill bit, the torque of the whole drill string cannot be kept stable and balanced, the power cannot be uniformly and stably transmitted to the drill bit, and the movement of the PDC drill bit is extremely disordered and comprises transverse, longitudinal and torsional vibration and the combination of the transverse, longitudinal and torsional vibration. Downhole vibration can damage individual PDC cutters, leading to reduced bit life, causing torque fluctuations to interfere with directional control and Logging While Drilling (LWD) signals, and creating irregular wellbores that reduce well bore quality, thereby greatly reducing rate of penetration and increasing drilling costs.
Disclosure of Invention
The utility model overcomes not enough among the prior art provides a high frequency circumference impacted style screw rod drilling tool structure.
The purpose of the utility model is realized by the following technical scheme.
The utility model provides a high frequency circumference impacted style screw rod drilling tool structure, includes the bypass valve assembly, prevents falling assembly, motor assembly, cardan shaft assembly, transmission shaft assembly and circumference and strikes the assembly, the bypass valve assembly prevent falling the assembly motor assembly the cardan shaft assembly the transmission shaft assembly circumference strikes the assembly and connects gradually.
Further, the transmission shaft assembly comprises a transmission shaft, an upper radial bearing, an upper bearing shell, a lower radial bearing, a lower bearing shell and a bearing, wherein the lower radial bearing, the lower bearing shell and the bearing are arranged at the upper end of the transmission shaft, the upper bearing shell is connected with the lower bearing shell, and the upper radial bearing is arranged and fastened with the transmission shaft.
Further, circumference strikes assembly and includes the filter screen, strikes hammering block, jump bit, switching-over axle and lower clutch, the filter screen strike the hammering block the jump bit the switching-over axle is gone into inside the transmission shaft lower extreme, strike the hammering block with the lower clutch links to each other.
Furthermore, the cardan shaft assembly comprises a cardan shaft shell and a cardan shaft, the upper end of the transmission shaft is connected with the lower end of the cardan shaft, and the upper end of the upper bearing shell is connected with the lower end of the cardan shaft shell.
Further, the anti-falling assembly includes that the shell falls, prevents falling the dabber and prevent falling the nut, prevent falling the nut with prevent falling the dabber upper end and link to each other, the rotor upper end of motor assembly with prevent falling the dabber lower extreme and link to each other, the stator upper end of motor assembly with prevent falling the shell lower extreme and link to each other.
Furthermore, the bypass valve assembly comprises a bypass valve shell, a valve core, a valve seat, a spring, a clamp spring and a filter sleeve, wherein the valve core, the valve seat, the spring, the clamp spring and the filter sleeve are installed in the bypass valve shell, and the lower end of the bypass valve shell is connected with the upper end of the anti-falling shell.
The utility model has the advantages that:
the high-frequency circumferential impact type screw drill structure consists of a bypass valve assembly, an anti-drop assembly, a motor assembly, a universal shaft assembly, a transmission shaft assembly and a circumferential impact assembly; the high-pressure mud of the drilling fluid flows through the bypass valve, the anti-drop part, the motor, the universal shaft and the transmission shaft to generate pure mechanical kinetic energy, and then enters the circumferential impact part through the high-pressure mud, and a mud flow distributor is arranged in the circumferential impact part and distributes the mud with 200 plus powers of 400 horsepower into the tubular tool. The huge energy from the mud makes two power parts of the impact hammer in the tool mutually reverse to generate uniform and constant high-frequency impact force in the circumferential direction, the frequency reaches 750-; the kinetic energy of the mud is converted into torsional high-frequency impact energy and is transferred to the PDC drill bit, so that the mechanical drilling speed of medium-hard and extra-hard rock strata is greatly improved; the stability of the work of the PDC drill bit is improved, and errors and faults generated in the directional operation are eliminated; the condition that the motor fails due to uneven and excessively high torque force is reduced; saving huge drilling cost and drilling time and improving drilling efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure:
1. a bypass valve assembly; 2. an anti-drop assembly; 3. a motor assembly; 4. a cardan shaft assembly;
5. a drive shaft assembly; 6. a circumferential impact assembly; 7. an impact hammer; 8. the anvil is impacted.
Detailed Description
The technical solution of the present invention is further explained by the following specific examples.
As shown in fig. 1, the high-frequency circumferential impact type screw drill structure comprises a bypass valve assembly 1, an anti-drop assembly 2, a motor assembly 3, a universal shaft assembly 4, a transmission shaft assembly 5 and a circumferential impact assembly 6, wherein the bypass valve assembly 1, the anti-drop assembly 2, the motor assembly 3, the universal shaft assembly 4, the transmission shaft assembly 5 and the circumferential impact assembly 6 are sequentially connected.
The transmission shaft assembly comprises a transmission shaft, an upper radial bearing, an upper bearing shell, a lower radial bearing, a lower bearing shell and a bearing, wherein the lower radial bearing, the lower bearing shell and the bearing are arranged at the upper end of the transmission shaft, the upper bearing shell is connected with the lower bearing shell, and the upper radial bearing is arranged and fastened with the transmission shaft.
Circumference strikes assembly includes the filter screen, strikes hammering block 8, jump bit 7, switching-over axle and lower clutch, the filter screen strike hammering block 8, jump bit 7 the switching-over axle is gone into inside the transmission shaft lower extreme, strike the hammering block with the lower clutch links to each other.
The universal shaft assembly comprises a universal shaft shell and a universal shaft, the upper end of the transmission shaft is connected with the lower end of the universal shaft, and the upper end of the upper bearing shell is connected with the lower end of the universal shaft shell.
The anti-falling assembly comprises an anti-falling shell, an anti-falling core shaft and an anti-falling nut, the anti-falling nut is connected with the upper end of the anti-falling core shaft, the upper end of a rotor of the motor assembly is connected with the lower end of the anti-falling core shaft, and the upper end of a stator of the motor assembly is connected with the lower end of the anti-falling shell.
The bypass valve assembly comprises a bypass valve shell, a valve core, a valve seat, a spring, a clamp spring and a filter sleeve, wherein the valve core, the valve seat, the spring, the clamp spring and the filter sleeve are arranged in the bypass valve shell, and the lower end of the bypass valve shell is connected with the upper end of the anti-falling shell.
The working mode is as follows: after drilling fluid enters a bypass valve assembly 1 from a drill rod, a valve core is closed, then the drilling fluid enters an anti-drop assembly, the drilling fluid enters a motor assembly 3 from an anti-drop assembly 2, a certain pressure difference is formed at the inlet and the outlet of the motor to push a rotor of the motor to rotate, torque and rotating speed are generated, the torque and the rotating speed are transmitted through a universal shaft assembly 4 and a transmission shaft assembly 5, the drilling fluid enters a circumferential impact assembly 6 through the transmission shaft, two power parts of an impact hammer 7 in a tool are mutually reversed due to the huge energy of mud, circumferential uniform and constant high-frequency impact force is generated, and the frequency reaches 750-frequency and 1500 times per minute. The motor part generates torque, rotation speed and high-frequency impact force generated by the circumferential impact assembly, the high-frequency impact force is used together with the PDC drill bit, the high-frequency impact force is intensively and uniformly applied to the whole drill bit body, one or more vibration (transverse, longitudinal and torsional) phenomena possibly occurring when the downhole drill bit moves are eliminated, the torque of the whole drill string is kept stable and balanced, and high-frequency rotation is applied to shear a rock stratum.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The utility model provides a high frequency circumference impacted style screw rod drilling tool structure which characterized in that: including the bypass valve assembly, prevent falling assembly, motor assembly, cardan shaft assembly, transmission shaft assembly and circumference and strike the assembly, the bypass valve assembly prevent falling the assembly the motor assembly the cardan shaft assembly the transmission shaft assembly circumference is strikeed the assembly and is connected gradually.
2. The high-frequency circumferential impact screw drill structure according to claim 1, wherein: the transmission shaft assembly comprises a transmission shaft, an upper radial bearing, an upper bearing shell, a lower radial bearing, a lower bearing shell and a bearing, wherein the lower radial bearing, the lower bearing shell and the bearing are arranged at the upper end of the transmission shaft, the upper bearing shell is connected with the lower bearing shell, and the upper radial bearing is arranged and fastened with the transmission shaft.
3. The high-frequency circumferential impact screw drill structure according to claim 2, wherein: circumference strikes assembly includes the filter screen, strikes hammering block, jump bit, switching-over axle and lower clutch, the filter screen strike the hammering block the jump bit the switching-over axle is gone into inside the transmission shaft lower extreme, strike the hammering block with the lower clutch links to each other.
4. The high-frequency circumferential impact screw drill structure according to claim 3, wherein: the universal shaft assembly comprises a universal shaft shell and a universal shaft, the upper end of the transmission shaft is connected with the lower end of the universal shaft, and the upper end of the upper bearing shell is connected with the lower end of the universal shaft shell.
5. The high-frequency circumferential impact screw drill structure according to claim 4, wherein: the anti-falling assembly comprises an anti-falling shell, an anti-falling core shaft and an anti-falling nut, the anti-falling nut is connected with the upper end of the anti-falling core shaft, the upper end of a rotor of the motor assembly is connected with the lower end of the anti-falling core shaft, and the upper end of a stator of the motor assembly is connected with the lower end of the anti-falling shell.
6. The high-frequency circumferential impact screw drill structure according to claim 5, wherein: the bypass valve assembly comprises a bypass valve shell, a valve core, a valve seat, a spring, a clamp spring and a filter sleeve, wherein the valve core, the valve seat, the spring, the clamp spring and the filter sleeve are arranged in the bypass valve shell, and the lower end of the bypass valve shell is connected with the upper end of the anti-falling shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392464.6U CN210460490U (en) | 2019-08-26 | 2019-08-26 | High-frequency circumferential impact type screw drilling tool structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392464.6U CN210460490U (en) | 2019-08-26 | 2019-08-26 | High-frequency circumferential impact type screw drilling tool structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210460490U true CN210460490U (en) | 2020-05-05 |
Family
ID=70430184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921392464.6U Active CN210460490U (en) | 2019-08-26 | 2019-08-26 | High-frequency circumferential impact type screw drilling tool structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210460490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374495A (en) * | 2019-08-26 | 2019-10-25 | 山东陆海石油技术股份有限公司 | A kind of high frequency circumferential direction impact type spiral drilling rig structure |
| CN112065268A (en) * | 2020-10-09 | 2020-12-11 | 宜宾学院 | Torque balance downhole power drilling tool |
-
2019
- 2019-08-26 CN CN201921392464.6U patent/CN210460490U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374495A (en) * | 2019-08-26 | 2019-10-25 | 山东陆海石油技术股份有限公司 | A kind of high frequency circumferential direction impact type spiral drilling rig structure |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101463709B (en) | Torsional impact drilling tool | |
| CN105927147B (en) | A kind of percussion drilling speed-raising tool and method | |
| CN106050129B (en) | A kind of drilling tool that rotary impact is realized using turbine | |
| CN107842317A (en) | Hard-rock boring punching composite drill bit | |
| CN103174380B (en) | Spring energy-storage inspiring type rotary percussive drill device | |
| CN106639943B (en) | High frequency reverse reset axial vibration percussion tool | |
| CN105672873A (en) | High-frequency torsion and axial bidirectional impactor | |
| CN105421996A (en) | Drilling tool for breaking rocks by producing compound action through rotary-percussion mode | |
| CN105735929B (en) | The SAW Oscillators of efficient rock-breaking are realized using impact function | |
| CN110374495A (en) | A kind of high frequency circumferential direction impact type spiral drilling rig structure | |
| CN202990851U (en) | Screw type high-frequency percussion drilling tool | |
| CN108547571B (en) | A kind of centering type torsion impact drilling tool | |
| CN104499941A (en) | Device for converting longitudinal vibration of drill stem into torsional impact of drill bit | |
| CN210460490U (en) | High-frequency circumferential impact type screw drilling tool structure | |
| CN206129207U (en) | Novel oscillatory surge ware based on turbine and cam | |
| CN208010276U (en) | A kind of rotary impact tool of the underground based on magnetic force | |
| CN105275405A (en) | Novel PDC drill bit for improving rock-breaking efficiency based on impact effect | |
| CN107882525B (en) | Rope salvaging type torsional impact coring drilling tool | |
| CN102373885A (en) | Power reamer while drilling for oil and gas well drilling | |
| CN204326969U (en) | Method of longitudinal vibration of drilling string is converted into the device of drill bit torsional pulse | |
| CN210049819U (en) | Small borehole circumferential impact generating device for coiled tubing drilling | |
| CN112502609A (en) | Full-open type rotary-punching screw drill | |
| CN108252650A (en) | Rotary impact tool and method of a kind of underground based on magnetic force | |
| CN205445462U (en) | Hydraulic hits broken rock device of marching type that shakes | |
| CN207863856U (en) | Differential torsion impact device based on screw rod and gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220216 Address after: 253500 north of the middle section of Beichen Road, economic development zone, Lingcheng District, Dezhou City, Shandong Province Patentee after: SHANDONG LUHAI NEW ENERGY TECHNOLOGY CO.,LTD. Address before: 253500 Beichen Road, Lingcheng Economic Development Zone, De Zhou City, Shandong Province Patentee before: SHANDONG LUHAI PETROLEUM TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220624 Address after: 253500 No. 6, Beichen Road, economic development zone, Lingcheng District, De Zhou City, Shandong Province Patentee after: SHANDONG LUHAI PETROLEUM TECHNOLOGY CO.,LTD. Address before: 253500 north of the middle section of Beichen Road, economic development zone, Lingcheng District, Dezhou City, Shandong Province Patentee before: SHANDONG LUHAI NEW ENERGY TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |