CN116537694A - Corrosion-resistant and wear-resistant screw drilling tool - Google Patents
Corrosion-resistant and wear-resistant screw drilling tool Download PDFInfo
- Publication number
- CN116537694A CN116537694A CN202310754093.6A CN202310754093A CN116537694A CN 116537694 A CN116537694 A CN 116537694A CN 202310754093 A CN202310754093 A CN 202310754093A CN 116537694 A CN116537694 A CN 116537694A
- Authority
- CN
- China
- Prior art keywords
- wear
- valve body
- corrosion
- drilling tool
- filter screen
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 42
- 238000005260 corrosion Methods 0.000 title claims abstract description 25
- 230000007797 corrosion Effects 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims description 14
- 238000007790 scraping Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B4/02—Fluid rotary type drives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/002—Down-hole drilling fluid separation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/08—Methods or apparatus for cleaning boreholes or wells cleaning in situ of down-hole filters, screens, e.g. casing perforations, or gravel packs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B4/006—Mechanical motion converting means, e.g. reduction gearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of petroleum engineering equipment, in particular to an anti-corrosion and wear-resistant screw drilling tool, wherein a valve core on a valve body is supported through a first spring when the anti-corrosion and wear-resistant screw drilling tool is used, so that liquid is not allowed to enter when the pressure is insufficient, and the valve body can be pushed open to enter the inside of a shell when the pressure is reached by the liquid.
Description
Technical Field
The invention relates to the technical field of petroleum engineering equipment, in particular to an anti-corrosion and wear-resistant screw drilling tool.
Background
A progressive cavity drilling tool is a tool used to drill subterranean deposits or geological formations. The drill rod consists of a screw rod, a drill bit, a drill rod connector and the like. The screw drill rod is a main component of a drilling tool and consists of a plurality of spiral steel pipes which are connected together through threads to form a drill rod with a length of hundreds of meters. The drill bit is the working part of the drilling tool that breaks up and brings the subsurface rock back to the surface by means of rotation and propulsion. Drill pipe connectors are used to connect drill pipes of different lengths in order to extend the drilling depth.
The existing screw drilling tool is easy to produce impact and abrasion in the interior during working due to more impurities in the drilling fluid entering the screw drilling tool, so that the service life of the drilling tool is reduced.
Disclosure of Invention
The invention aims to provide an anti-corrosion and wear-resistant screw drilling tool, which is provided with a filtering component and can block impurities with larger particle sizes, so that impact and increased abrasion caused by entering the inside are avoided, and the service life is longer.
In order to achieve the above purpose, the invention provides an anti-corrosion and wear-resistant screw drilling tool, which comprises a shell, a bypass valve, an anti-drop component, a motor assembly, a universal shaft assembly and a transmission component, wherein the bypass valve comprises a valve body, a valve core, a first spring, a filter assembly and a discharger, the valve body is fixedly connected with the shell and is positioned on one side of the shell, the valve core is slidably connected with the valve body and is positioned on one side of the valve body, the first spring is arranged between the valve body and the valve core, the filter assembly is arranged on one side of the valve body, the discharger is slidably arranged on one side of the filter assembly, the anti-drop component is arranged on one side of the valve body, the motor assembly is connected with the anti-drop component, the universal shaft assembly is connected with the motor assembly, and the transmission component is connected with the universal shaft assembly.
The filter assembly comprises a filter screen and a fixing ring, wherein the filter screen is arranged at the top of the valve body, and the fixing ring is fixedly connected with the filter screen and is positioned at one side of the filter screen.
Wherein, the filter component still includes the doctor-bar, the doctor-bar sets up the one side of filter screen.
The scraping blade comprises a scraping blade body, a sliding plate, a sealing plate and a driving cylinder, wherein the sliding plate is in sliding connection with the filter screen and is positioned on one side of the filter screen, the scraping blade body is in rotary connection with the sliding plate and is positioned on one side of the sliding plate, the sealing plate is fixedly connected with the sliding plate and is positioned on one side of the shell, the driving cylinder is fixed on the shell, and the output end of the driving cylinder is fixedly connected with the sealing plate.
The bypass valve further comprises a buffer ring, wherein the buffer ring is fixedly connected with the filter screen and is positioned at the bottom of the filter screen.
The bypass valve comprises a supporting ring and a discharging plate, wherein the supporting ring is fixedly connected with the shell and is positioned on one side of the sealing plate, and the discharging plate is communicated with the supporting ring and is positioned on one side of the supporting ring.
Wherein, the doctor-bar still includes reset spring, reset spring sets up between the closing plate and the shell.
The anti-falling assembly comprises an anti-falling cap, a connector and a connecting rod, wherein the connector is in threaded connection with the valve body and is positioned on one side of the valve body, the anti-falling cap is clamped in the connector, and the connecting rod is in threaded connection with the anti-falling cap and penetrates through the connector.
The motor assembly comprises a rotor, a stator and a wear-resistant layer, wherein the stator is fixed on the shell, the rotor is rotatably arranged in the stator, and the wear-resistant layer is coated on the rotor and the stator.
According to the anti-corrosion and wear-resistant screw drilling tool, the whole drilling tool is supported through the shell, the valve core on the valve body is supported through the first spring, so that liquid is not allowed to enter when pressure is insufficient, the valve body can be pushed open to enter the shell when the pressure is reached, and the impurities with larger particle size can be blocked by the filtering component due to the fact that the impurities are more in a specific drilling process, so that impact and increased abrasion caused by entering the inside are avoided, the service life is longer, the impurities are discharged through the discharger after the drilling tool is operated for a period of time, the drilling tool can continue to operate, then the anti-falling component can be connected with the valve body, the liquid can continue to enter the motor assembly to drive the motor assembly to rotate, and then the transmission component is driven through the universal shaft assembly, so that the drill bit can be driven to rotate through the transmission component, the service life is longer, and the drilling tool is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an anti-corrosion and wear-resistant screw drilling tool according to a first embodiment of the present invention.
Fig. 2 is an enlarged partial view of detail a of fig. 1.
Fig. 3 is a block diagram of an anti-corrosion and wear-resistant screw drilling tool according to a second embodiment of the present invention.
Fig. 4 is a partial enlarged view of detail B of fig. 3.
Fig. 5 is a structural view of an anti-corrosion and wear-resistant screw drilling tool according to a third embodiment of the present invention.
Fig. 6 is a partial enlarged view of detail C of fig. 5.
The housing 101, the bypass valve 102, the drop prevention component 103, the motor assembly 104, the cardan shaft assembly 105, the transmission component 106, the valve body 107, the valve core 108, the first spring 109, the filter assembly 110, the discharger 111, the filter screen 201, the retainer ring 202, the wiper 203, the wiper body 204, the sliding plate 205, the sealing plate 206, the driving cylinder 207, the buffer ring 208, the support ring 209, the discharge plate 210, the return spring 211, the drop prevention cap 212, the connector 213, the connecting rod 214, the rotor 215, the stator 216, the wear layer 217, the connecting shaft 301, the sliding rod 302, the second spring 303, the mounting head 304, the shaft body 305, the connecting disc 306, the rotating disc 307, the clamp ring 308, and the clamp sleeve 309.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
First embodiment
Referring to fig. 1 and 2, fig. 1 is a structural diagram of an anti-corrosion and wear-resistant screw drilling tool according to a first embodiment of the present invention. Fig. 2 is an enlarged partial view of detail a of fig. 1.
The invention provides an anti-corrosion and wear-resistant screw drilling tool, which comprises a shell 101, a bypass valve 102, an anti-drop component 103, a motor assembly 104, a universal shaft assembly 105 and a transmission component 106, wherein the bypass valve 102 comprises a valve body 107, a valve core 108, a first spring 109, a filter assembly 110 and a discharger 111, the valve body 107 is fixedly connected with the shell 101 and is positioned on one side of the shell 101, the valve core 108 is slidably connected with the valve body 107 and is positioned on one side of the valve body 107, the first spring 109 is arranged between the valve body 107 and the valve core 108, the filter assembly 110 is arranged on one side of the valve body 107, the discharger 111 is slidably arranged on one side of the filter assembly 110, the anti-drop component 103 is arranged on one side of the valve body 107, the motor assembly 104 is connected with the anti-drop component 103, the universal shaft assembly 105 is connected with the motor assembly 104, and the transmission component 106 is connected with the universal shaft assembly 105.
In this embodiment, the whole drilling tool is supported by the casing 101, the valve core 108 on the valve body 107 is supported by the first spring 109, so that liquid is not allowed to enter when the pressure is insufficient, the valve body 107 can be pushed open to enter the casing 101 when the pressure is reached, and the filter assembly 110 can block impurities with larger particle size due to more impurities in a specific drilling process, so that impact and increased abrasion caused by entering the inside are avoided, the service life is longer, impurities are discharged by the discharger 111 after a period of operation, the operation can be continued, the valve body 107 can be connected by the anti-drop assembly 103, the liquid can be continuously entered into the motor assembly 104 to drive the motor assembly 104 to rotate, and then the universal shaft assembly 105 is transmitted into the transmission assembly 106, so that the drill bit can be driven to rotate by the transmission assembly 106, and the service life is longer and more convenient.
Second embodiment
Referring to fig. 3 and 4, fig. 3 is a structural diagram of an anti-corrosion and wear-resistant screw drilling tool according to a second embodiment of the present invention. Fig. 4 is a partial enlarged view of detail B of fig. 3.
On the basis of the first embodiment, the invention also provides an anti-corrosion and wear-resistant screw drilling tool, the filter assembly 110 comprises a filter screen 201 and a fixed ring 202, the filter screen 201 is arranged at the top of the valve body 107, and the fixed ring 202 is fixedly connected with the filter screen 201 and is positioned at one side of the filter screen 201. The filter screen 201 can be fixed on the top of the valve body 107 by the fixing ring 202, so that the filtering action can be better performed.
In this embodiment, the filter assembly 110 further includes a wiper 203, and the wiper 203 is disposed at one side of the filter screen 201. The scraping blade 203 can be pushed by flowing liquid, so that impurities accumulated on the surface of the filter screen 201 can be pushed, accumulation and blockage are avoided, and the use is more convenient.
The scraping blade 203 comprises a scraping blade body 204, a sliding plate 205, a sealing plate 206 and a driving cylinder 207, wherein the sliding plate 205 is in sliding connection with the filter screen 201 and is positioned on one side of the filter screen 201, the scraping blade body 204 is in rotary connection with the sliding plate 205 and is positioned on one side of the sliding plate 205, the sealing plate 206 is fixedly connected with the sliding plate 205 and is positioned on one side of the shell 101, the driving cylinder 207 is fixed on the shell 101, and the output end of the driving cylinder 207 is fixedly connected with the sealing plate 206. After the equipment is operated for a period of time, the driving cylinder 207 can be started, then the sliding plate 205 is driven to slide, impurities are pushed out by combining the scraping blade body 204, and then the cylinder is started to reset the scraping blade body 204, so that drilling can be continued.
Second, the bypass valve 102 further includes a buffer ring 208, where the buffer ring 208 is fixedly connected to the filter screen 201 and is located at the bottom of the filter screen 201. The shock during sliding of the spool 108 can be reduced by the buffer ring 208, so that wear can be reduced to further improve the service life.
Then, the bypass valve includes a support ring 209 and a discharge plate 210, the support ring 209 is fixedly connected with the housing 101 and located at one side of the sealing plate 206, and the discharge plate 210 is communicated with the support ring 209 and located at one side of the support ring 209. The supporting ring 209 provides a space for discharging, and then the impurities are guided out of the housing 101 through the discharging plate 210, so that the impurities are more conveniently discharged.
The wiper 203 further includes a return spring 211, the return spring 211 being disposed between the seal plate 206 and the housing 101. The sealing plate 206 can be automatically brought into the shell 101 for resetting by the reset spring 211, so that the use is more convenient.
The anti-falling assembly 103 comprises an anti-falling cap 212, a connector 213 and a connecting rod 214, wherein the connector 213 is in threaded connection with the valve body 107 and is located on one side of the valve body 107, the anti-falling cap 212 is clamped in the connector 213, and the connecting rod 214 is in threaded connection with the anti-falling cap 212 and penetrates through the connector 213. The drop cap 212 may be fixed to the valve body 107 by the connection head 213 and then connected to the drop cap 212 by the connection rod 214, so that manufacturing and assembly are more convenient.
The motor assembly 104 includes a rotor 215, a stator 216, and a wear layer 217, the stator 216 being secured to the housing 101, the rotor 215 being rotatably disposed within the stator 216, the wear layer 217 being applied to the rotor 215 and the stator 216. Coating the wear-resistant layer 217 on the rotor 215 and the stator 216 can make the wear resistance higher when in contact and the use more convenient.
Third embodiment
Referring to fig. 5 and 6, fig. 5 is a structural diagram of an anti-corrosion and wear-resistant screw drilling tool according to a third embodiment of the present invention. Fig. 6 is a partial enlarged view of detail C of fig. 5.
On the basis of the second embodiment, the invention further provides an anti-corrosion and wear-resistant screw drilling tool, the transmission assembly 106 comprises a connecting shaft 301, a sliding rod 302, a second spring 303 and a mounting head 304, the connecting shaft 301 is connected with the universal shaft assembly 105, the sliding rod 302 is connected with the connecting shaft 301 in a sliding manner and is positioned on one side of the connecting shaft 301, the second spring 303 is arranged between the connecting shaft 301 and the sliding rod 302, and the mounting head 304 is fixed on the sliding rod 302. Through connecting shaft 301 with cardan shaft assembly 105 connects in order to carry out the transmission, slide bar 302 can slide with respect to connecting shaft 301 reduces the impact that receives during the drilling process, second spring 303 can reduce the impact force size that causes between slide bar 302 and shell 101, the installation head 304 is convenient for install the drill bit.
Specifically, the connecting shaft 301 includes a shaft body 305, a connecting disc 306, a rotating disc 307, a compression ring 308 and a compression sleeve 309, where the shaft body 305 is connected with the universal shaft assembly 105, the connecting disc 306 is fixedly connected with the shaft body 305 and located at one side of the shaft body 305, the rotating disc 307 is rotationally connected with the connecting disc 306 and located at one side of the connecting disc 306, the compression ring 308 is slidingly connected with the connecting disc 306 and located at one side of the rotating disc 307, and the compression ring 308 is in threaded connection with the connecting disc 306 and located at one side of the compression ring 308. In order to avoid damage to internal structures caused by large impact force generated when a drill bit encounters a rock mass which cannot be drilled, the rotary drill bit is provided with the connecting disc 306 and the rotating disc 307, so that the compression sleeve 309 can be rotated to push the compression ring 308, the rotating disc 307 is compressed on the connecting disc 306, and when the drill bit is subjected to excessive impact force, the rotating disc 307 can rotate relative to the connecting disc 306 against friction force to protect other structures.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (9)
1. A corrosion-proof wear-resistant screw drill is characterized in that,
including shell, bypass valve, anti-drop subassembly, motor assembly, cardan shaft assembly and drive assembly, the bypass valve includes valve body, case, first spring, filter element and discharger, the valve body with shell fixed connection, and be located one side of shell, the case with valve body sliding connection, and be located one side of valve body, first spring sets up the valve body with between the case, filter element installs one side of valve body, the discharger slides and sets up one side of filter element, anti-drop subassembly installs one side of valve body, the motor assembly with anti-drop subassembly is connected, the cardan shaft assembly with motor assembly is connected, drive assembly with cardan shaft assembly is connected.
2. An anti-corrosion and wear-resistant screw drilling tool according to claim 1,
the filter component comprises a filter screen and a fixed ring, wherein the filter screen is arranged at the top of the valve body, and the fixed ring is fixedly connected with the filter screen and is positioned at one side of the filter screen.
3. An anti-corrosion and wear-resistant screw drilling tool according to claim 2,
the filter assembly further includes a wiper blade disposed on one side of the filter screen.
4. An anti-corrosion and wear-resistant screw drilling tool according to claim 3,
the scraping blade comprises a scraping blade body, a sliding plate, a sealing plate and a driving air cylinder, wherein the sliding plate is in sliding connection with the filter screen and is positioned on one side of the filter screen, the scraping blade body is in rotary connection with the sliding plate and is positioned on one side of the sliding plate, the sealing plate is fixedly connected with the sliding plate and is positioned on one side of the shell, the driving air cylinder is fixed on the shell, and the output end of the driving air cylinder is fixedly connected with the sealing plate.
5. An anti-corrosion and wear-resistant screw drilling tool according to claim 4,
the bypass valve further comprises a buffer ring, wherein the buffer ring is fixedly connected with the filter screen and is positioned at the bottom of the filter screen.
6. An anti-corrosion and wear-resistant screw drilling tool according to claim 5,
the bypass valve comprises a supporting ring and a discharging plate, wherein the supporting ring is fixedly connected with the shell and is positioned on one side of the sealing plate, and the discharging plate is communicated with the supporting ring and is positioned on one side of the supporting ring.
7. An anti-corrosion and wear-resistant screw drilling tool according to claim 6,
the wiper blade further includes a return spring disposed between the seal plate and the housing.
8. An anti-corrosion and wear-resistant screw drilling tool according to claim 7,
the anti-falling assembly comprises an anti-falling cap, a connector and a connecting rod, wherein the connector is in threaded connection with the valve body and is positioned on one side of the valve body, the anti-falling cap is clamped in the connector, and the connecting rod is in threaded connection with the anti-falling cap and penetrates through the connector.
9. An anti-corrosion and wear-resistant screw drilling tool according to claim 8,
the motor assembly comprises a rotor, a stator and a wear-resistant layer, wherein the stator is fixed on the shell, the rotor is rotatably arranged in the stator, and the wear-resistant layer is coated on the rotor and the stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310754093.6A CN116537694B (en) | 2023-06-26 | 2023-06-26 | Corrosion-resistant and wear-resistant screw drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310754093.6A CN116537694B (en) | 2023-06-26 | 2023-06-26 | Corrosion-resistant and wear-resistant screw drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116537694A true CN116537694A (en) | 2023-08-04 |
| CN116537694B CN116537694B (en) | 2024-03-15 |
Family
ID=87443877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310754093.6A Active CN116537694B (en) | 2023-06-26 | 2023-06-26 | Corrosion-resistant and wear-resistant screw drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116537694B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4120368A (en) * | 1976-11-05 | 1978-10-17 | Sven Halvor Johansson | Supplying motive fluid to below ground tool drive from a pressurized bore hole |
| US6520271B1 (en) * | 2000-10-24 | 2003-02-18 | Leo A. Martini | Fluid powered rotary drilling assembly |
| US20040108482A1 (en) * | 2002-10-25 | 2004-06-10 | Takeshi Sakuragi | Electromagnetically driven valve device |
| CN102561942A (en) * | 2010-12-23 | 2012-07-11 | 普拉德研究及开发股份有限公司 | Wired mud motor components, methods of fabricating the same, and downhole motors incorporating the same |
| WO2016150113A1 (en) * | 2015-03-25 | 2016-09-29 | 东方宝麟科技发展(北京)有限公司 | Positive displacement motor drill and rock breaking well drilling method therefor |
| CN113101810A (en) * | 2021-04-02 | 2021-07-13 | 云南炳森环境工程有限公司 | A integration MBR sewage treatment device for rural cities and towns domestic wastewater |
| CN115898255A (en) * | 2022-11-01 | 2023-04-04 | 长江大学 | Motor section and high-temperature-resistant high-power screw drill |
-
2023
- 2023-06-26 CN CN202310754093.6A patent/CN116537694B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4120368A (en) * | 1976-11-05 | 1978-10-17 | Sven Halvor Johansson | Supplying motive fluid to below ground tool drive from a pressurized bore hole |
| US6520271B1 (en) * | 2000-10-24 | 2003-02-18 | Leo A. Martini | Fluid powered rotary drilling assembly |
| US20040108482A1 (en) * | 2002-10-25 | 2004-06-10 | Takeshi Sakuragi | Electromagnetically driven valve device |
| CN102561942A (en) * | 2010-12-23 | 2012-07-11 | 普拉德研究及开发股份有限公司 | Wired mud motor components, methods of fabricating the same, and downhole motors incorporating the same |
| WO2016150113A1 (en) * | 2015-03-25 | 2016-09-29 | 东方宝麟科技发展(北京)有限公司 | Positive displacement motor drill and rock breaking well drilling method therefor |
| CN113101810A (en) * | 2021-04-02 | 2021-07-13 | 云南炳森环境工程有限公司 | A integration MBR sewage treatment device for rural cities and towns domestic wastewater |
| CN115898255A (en) * | 2022-11-01 | 2023-04-04 | 长江大学 | Motor section and high-temperature-resistant high-power screw drill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116537694B (en) | 2024-03-15 |
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