CN115288642A - Multifunctional integrated concentric water distributor - Google Patents
Multifunctional integrated concentric water distributor Download PDFInfo
- Publication number
- CN115288642A CN115288642A CN202211016534.4A CN202211016534A CN115288642A CN 115288642 A CN115288642 A CN 115288642A CN 202211016534 A CN202211016534 A CN 202211016534A CN 115288642 A CN115288642 A CN 115288642A
- Authority
- CN
- China
- Prior art keywords
- fixed mounting
- groove
- water distributor
- water injection
- mounting
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 238000002347 injection Methods 0.000 claims abstract description 40
- 239000007924 injection Substances 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 11
- 239000004575 stone Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a multifunctional integrated concentric water distributor, which comprises a lower joint, wherein an opening valve is fixedly arranged at the bottom of the lower joint, a working barrel is movably sleeved at the bottom of the opening valve, an upper joint is fixedly arranged at the bottom of the working barrel, a filtering device is movably arranged in the upper joint and fixedly arranged at the bottom of the lower joint, a water injection assembly is fixedly arranged in the working barrel, the opening valve is protected by a lifting cover and a protective cover, the water distributor is higher in protection, the water distributor is prevented from being damaged when moving in a water injection well, backflow is prevented, sand stones are intercepted by a filter screen, the blockage of the water distributor caused by the sand stones is avoided, the internal water injection flow is controlled, the flow of the water distributor is adjustable, meanwhile, a gap between an intercepting plate and a movable hole is adjustable by rotating a switch cover, stepless flow regulation is realized, the flow regulation of the water distributor is more accurate, the flow regulation accuracy of the water distributor is improved, and the reliable performance of subsequent operation is facilitated.
Description
Technical Field
The invention relates to the technical field of water injection well tools, in particular to a multifunctional integrated concentric water distributor.
Background
The water distributor is a water injection well control inner tool, is mainly used in the process of oilfield exploitation, is mainly used for carrying out quantitative water injection on each oil layer during underground stratified injection, and mainly comprises a water distribution main body, a water distribution nozzle, a water nozzle body, a gland and a sealing ring.
The existing water distributor is used, the internal structure of a water injection well is complex, in the water injection process, the pressure intensity between oil layers at different depths is different, in the water injection process, water with higher pressure intensity can flow in along the position with lower pressure intensity, the situations such as water injection backflow can be caused, the backflow water contains sand stones, the situation that the inside is blocked can be caused due to long-time use, meanwhile, the existing water distributor needs a blanking plug to be matched for use, the water injection amount is adjusted through a water nozzle of the blanking plug, the water injection flow can not be adjusted in a sealing mode, the operation is troublesome, and time and labor are consumed.
Therefore, the inventor aims at the problems, takes full consideration of abundant design development and actual manufacturing experience of related industries for many years, researches and improves the existing structure and defects, and provides a multifunctional integrated concentric water distributor, so as to achieve the purposes of higher water distributor protection, prolonging the service life of the water distributor, avoiding damage of the water distributor when moving in a water injection well, preventing backflow, intercepting sand and stone through a filter screen, avoiding blockage of the water distributor caused by the sand and stone, protecting internal devices, prolonging the service life of the device, realizing stepless flow regulation, enabling the flow regulation of the water distributor to be more accurate, improving the flow regulation accuracy of the water distributor, and being beneficial to the reliable implementation of subsequent operation.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a multifunctional integrated concentric water distributor, which has higher protection performance, prolongs the service life of the water distributor, avoids the water distributor from being damaged when moving in a water injection well, prevents backflow, intercepts sand and stone through a filter screen, avoids the sand and stone from blocking the water distributor, protects internal devices, prolongs the service life of the device, realizes stepless flow regulation, enables the flow regulation of the water distributor to be more accurate, improves the flow regulation accuracy of the water distributor, is favorable for reliable operation of follow-up work, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multi-functional integrated concentric water injection mandrel, includes the lower clutch, the bottom fixed mounting of lower clutch has the valve that opens, the bottom activity of opening the valve has cup jointed the working barrel, the bottom fixed mounting of working barrel has the top connection, the inside movable mounting of top connection has filter equipment, filter equipment fixed mounting is in the bottom of lower clutch, the inside fixed mounting of working barrel has the water injection subassembly.
In a preferred embodiment, the lower joint comprises an upper joint, the inner fixed mounting of the upper joint is provided with a support column, the bottom of the upper joint is fixedly mounted at the top of an opening valve, the bottom of the opening valve is fixedly provided with a lifting spring, the bottom of the lifting spring is fixedly provided with a lifting cover, the top of the lifting cover is integrally formed with a protective cover, the protective cover is movably sleeved on the outer surface of the upper joint, the bottom of the lifting cover is fixedly provided with a gasket, the bottom of the gasket is fixedly mounted at the top of a filtering device, the lifting cover and the protective cover are arranged to protect the opening valve and a working barrel, the service lives of the opening valve and the working barrel are prolonged, and the lifting spring is arranged to enable the opening valve to control the lifting cover to ascend and descend automatically under the action of the lifting spring.
In a preferred embodiment, filter equipment includes the filter frame, filter frame fixed mounting is in the bottom of packing ring, the inside fixed mounting of filter frame has the filter screen, the flow groove has been seted up to the one end of filter frame, the movable groove has been seted up to the other one end of filter frame, the inside activity of movable groove has cup jointed the fixed cover plate, the equal fixed mounting in both ends from top to bottom of fixed cover plate side has the carriage, the side fixed mounting of carriage has reset spring, reset spring's the other one end fixed mounting is at the side of movable groove, carriage slidable mounting sets up the movable groove in the inside of movable groove, carries out spacingly to the fixed cover plate, makes the carriage move about in the inside of movable groove, sets up the flow groove, carries out spacingly to the switchboard, makes the switchboard move about in the inside of flow groove.
In a preferred embodiment, the working barrel comprises a barrel body, the top of the barrel body is provided with an embedding groove, one end inside the barrel body is provided with a fixing groove, the inside of the fixing groove is fixedly communicated with a water outlet, the barrel body is fixedly arranged on the top of the upper joint, and the lifting cover is movably sleeved on the outer surface of the barrel body.
In a preferred embodiment, the upper joint comprises an upper connecting pipe, a fixing head is fixedly mounted at the top of the upper connecting pipe, the top of the fixing head is fixedly mounted at the bottom of the barrel, a filter tank is arranged inside the fixing head, a lifting tank is arranged at the bottom of the filter tank, a thread groove is arranged at the lower end of the fixing head, an adjusting device is installed on the outer surface of the thread groove in a threaded manner, the lifting tank is arranged, the switch board is limited, and the switch board moves inside the lifting tank.
In a preferred embodiment, the adjusting device comprises a lifting ring, the lifting ring is installed on the outer surface of the thread groove in a threaded manner, a moving groove is formed in the top of the lifting ring, a switch plate is movably installed at the top of the moving groove, the switch plate is movably installed inside the lifting groove, the switch plate is movably installed inside the flow groove, the moving groove is formed, the switch plate is limited, and the switch plate moves inside the moving groove.
In a preferred embodiment, the water injection subassembly includes the core, the side fixed mounting of core has the water injection well choke, the fixed surface mounting of water injection well choke has the interception board, the bottom fixed mounting of core has the installation sealing washer, the surface movable mounting of water injection well choke has the switch lid, the movable hole that staggers mutually with the interception board is seted up to the inside of switch lid, core demountable installation sets up switch lid and movable hole in the inside of fixed slot, makes water injection well choke and switch lid rotate relatively, through the rotation of both, can realize the fine setting of flow.
The invention has the technical effects and advantages that:
1. the lifting spring is arranged for compression, the lifting cover drives the filter frame to ascend, so that the filter frame is fixedly communicated with the water outlet, water is injected from four sides of the fixed cover plate to the outside, the lifting spring is positioned in the water distributor, and the opening valve is protected by the lifting cover and the protective cover, so that the water distributor is higher in protection performance, the service life of the water distributor is prolonged, and the water distributor is prevented from being damaged when moving in a water injection well.
2. According to the invention, the filter frame is arranged, the sliding frame slides towards the side edge in the movable groove, the return spring compresses, when the external pressure is higher and backflow is carried out, the sliding frame drives the fixed cover plate to reset under the action of the return spring, so that the fixed cover plate is positioned in the filter frame to prevent backflow, and meanwhile, sand and stone are intercepted through the filter screen, so that the blockage of a water distributor caused by the sand and stone is avoided, internal devices are protected, and the service life of the device is prolonged.
3. The lifting ring is arranged, so that the lifting ring rotates on the outer surface of the threaded groove, the switch plate rises in the flow groove, the size of a circulation space in the filter frame is controlled, the water injection flow in the filter frame is controlled, the flow of the water distributor is adjustable, the gap between the interception plate and the movable hole is adjustable by rotating the switch cover, the stepless flow regulation is realized by fine adjustment, the flow regulation of the water distributor is more accurate, the flow regulation accuracy of the water distributor is improved, and the reliable operation of the subsequent operation is facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the lower joint of the present invention.
Fig. 3 is a schematic view of the internal structure of the filter device of the present invention.
Fig. 4 is a schematic view of the internal structure of the mandrel of the present invention.
Fig. 5 is a schematic view of the internal structure of the upper joint according to the present invention.
Fig. 6 is a schematic structural diagram of the adjusting device of the present invention.
FIG. 7 is a schematic structural view of a water injection assembly of the present invention.
The reference signs are: 1. a lower joint; 2. opening a valve; 3. a working barrel; 4. a filtration device; 5. an upper joint; 6. a water injection assembly; 7. an adjustment device; 11. an upper end joint; 12. a support pillar; 13. a lifting cover; 14. a gasket; 16. a lift spring; 17. a protective cover; 31. a barrel; 32. embedding grooves; 33. a fixing groove; 34. a water outlet; 41. a filter frame; 42. a filter screen; 43. a flow channel; 44. a movable groove; 45. fixing the cover plate; 46. a carriage; 47. a return spring; 51. an upper connecting pipe; 52. a fixed head; 53. a thread groove; 54. a filter tank; 55. a lifting groove; 61. a core; 62. a water nozzle; 63. a interception plate; 64. installing a sealing ring; 65. a switch cover; 66. a movable hole; 71. a lifting ring; 72. a moving groove; 73. a switch board.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The multifunctional integrated concentric water distributor shown in the attached figures 1-7 comprises a lower connector 1, wherein an opening valve 2 is fixedly mounted at the bottom of the lower connector 1, a working barrel 3 is movably sleeved at the bottom of the opening valve 2, an upper connector 5 is fixedly mounted at the bottom of the working barrel 3, a filtering device 4 is movably mounted inside the upper connector 5, the filtering device 4 is fixedly mounted at the bottom of the lower connector 1, and a water injection assembly 6 is fixedly mounted inside the working barrel 3.
Wherein, lower clutch 1 includes upper end joint 11, the inside fixed mounting of upper end joint 11 has support column 12, the bottom fixed mounting of upper end joint 11 is at the top of opening valve 2, the bottom fixed mounting of opening valve 2 has lifting spring 16, lifting spring 16's bottom fixed mounting has lift lid 13, the top of lift lid 13 an organic whole is formed with protective cover 17, protective cover 17 activity cup joints the surface at upper end joint 11, lifting cover 13's bottom fixed mounting has packing ring 14, the bottom fixed mounting of packing ring 14 is at the top of filter equipment 4, it protects to open valve 2 and working barrel 3 to set up lift lid 13 and protective cover 17, the life of valve 2 and working barrel 3 is opened in the extension, set up lifting spring 16, make when opening valve 2 control lift lid 13, effect through lifting spring 16, descend by oneself.
Wherein, filter equipment 4 includes filtering rack 41, filtering rack 41 fixed mounting is in the bottom of packing ring 14, filtering rack 41's inside fixed mounting has filter screen 42, filtering rack 41's one end has been seted up flow groove 43, filtering rack 41's other one end has been seted up movable groove 44, movable groove 44's inside activity has been cup jointed fixed cover plate 45, the equal fixed mounting in upper and lower both ends of fixed cover plate 45 side has carriage 46, carriage 46's side fixed mounting has reset spring 47, reset spring 47's other one end fixed mounting is at movable groove 44's side, carriage 46 slidable mounting is in movable groove 44's inside, set up movable groove 44, it is spacing to fixed cover plate 45, make carriage 46 move about in movable groove 44's inside, set up flow groove 43, carry out spacingly to switch plate 73, make switch plate 73 move about in flow groove 43's inside.
The working barrel 3 comprises a barrel body 31, an embedding groove 32 is formed in the top of the barrel body 31, a fixing groove 33 is formed in one end of the inside of the barrel body 31, a water outlet 34 is fixedly communicated with the inside of the fixing groove 33, the barrel body 31 is fixedly installed at the top of the upper connector 5, and the lifting cover 13 is movably sleeved on the outer surface of the barrel body 31.
Wherein, top connection 5 includes the upper connecting pipe 51, and the top fixed mounting who goes up connecting pipe 51 has fixed head 52, and the top fixed mounting of fixed head 52 has seted up filter tank 54 in the bottom of barrel 31, and filter tank 54 has been seted up to fixed head 52's inside, and lifting tank 55 has been seted up to filter tank 54's bottom, and thread groove 53 has been seted up to fixed head 52's lower extreme, and adjusting device 7 is installed to the surface screw thread of thread groove 53, sets up lifting tank 55, carries on spacingly to switchboard 73, makes switchboard 73 move about in lifting tank 55's inside.
The adjusting device 7 comprises a lifting ring 71, the lifting ring 71 is installed on the outer surface of the thread groove 53 in a threaded manner, a moving groove 72 is formed in the top of the lifting ring 71, a switch plate 73 is movably installed at the top of the moving groove 72, the switch plate 73 is movably installed in the lifting groove 55, the switch plate 73 is movably installed in the flow groove 43, the moving groove 72 is formed, the switch plate 73 is limited, and the switch plate 73 moves in the moving groove 72.
Wherein, water injection subassembly 6 includes core 61, the side fixed mounting of core 61 has water injection well choke 62, the fixed surface mounting of water injection well choke 62 has interception board 63, the bottom fixed mounting of core 61 has installation sealing washer 64, the surface movable mounting of water injection well choke 62 has switch cover 65, the activity hole 66 of staggering with interception board 63 is seted up to switch cover 65's inside, core 61 demountable installation is in the inside of fixed slot 33, set up switch cover 65 and activity hole 66, make water injection well choke 62 and switch cover 65 rotate relatively, through the rotation of both, can realize the fine setting of flow.
The working principle of the invention is as follows: in the working process of the water distributor, the opening valve 2 is started to enable the protective cover 17 and the lifting cover 13 to ascend, the lifting spring 16 compresses, the lifting cover 13 drives the filter frame 41 to ascend, the filter frame 41 is fixedly communicated with the water outlet 34, water generated by the water injection assembly 6 passes through the water outlet 34 and the filter screen 42, water is injected from the four sides of the fixed cover plate 45 outwards, the lifting spring 16 is located in the water distributor, and meanwhile the opening valve 2 is protected by the lifting cover 13 and the protective cover 17;
when the water nozzle 62 is used for injecting water, the water is discharged from the side edge of the filter frame 41 through the water outlet 34 and the filter screen 42, the fixed cover plate 45 is moved out of the inside of the filter frame 41 under the pressure of the water, the sliding frame 46 slides to the side edge in the movable groove 44, the return spring 47 is compressed, when the external pressure is high and the external pressure is back-flowed, the sliding frame 46 drives the fixed cover plate 45 to be reset under the action of the return spring 47, so that the fixed cover plate 45 is positioned in the filter frame 41 to prevent the back-flow, and meanwhile, sand is intercepted through the filter screen 42 to prevent the sand from blocking the water distributor;
when the flow rate needs to be controlled, the lifting ring 71 is rotated to rotate the lifting ring 71 on the outer surface of the threaded groove 53, the switch plate 73 is lifted in the flow rate groove 43, the size of the flow space in the filter frame 41 is controlled, the water injection flow rate in the water distributor is controlled, the flow rate of the water distributor is adjustable, the gap between the interception plate 63 and the movable hole 66 is adjustable by rotating the switch cover 65, and the stepless flow rate regulation is realized by fine adjustment.
Claims (7)
1. The utility model provides a concentric water injection mandrel of multi-functional integration, includes lower clutch (1), its characterized in that, the bottom fixed mounting of lower clutch (1) has open valve (2), the bottom activity of opening valve (2) has cup jointed working barrel (3), the bottom fixed mounting of working barrel (3) has top connection (5), the inside movable mounting of top connection (5) has filter equipment (4), filter equipment (4) fixed mounting is in the bottom of lower clutch (1), the inside fixed mounting of working barrel (3) has water injection subassembly (6).
2. The multifunctional integrated concentric water distributor of claim 1, wherein: lower extreme (1) includes upper end joint (11), the inside fixed mounting of upper end joint (11) has support column (12), the bottom fixed mounting of upper end joint (11) is at the top of opening valve (2), the bottom fixed mounting who opens valve (2) has lift spring (16), the bottom fixed mounting of lift spring (16) has lift lid (13), the top of lift lid (13) is formed integrally with protective cover (17), protective cover (17) activity cup joints the surface at upper end joint (11), the bottom fixed mounting of lift lid (13) has packing ring (14), the bottom fixed mounting of packing ring (14) is at the top of filter equipment (4).
3. The multifunctional integrated concentric water distributor of claim 1, wherein: filter equipment (4) are including filtering frame (41), filtering frame (41) fixed mounting is in the bottom of packing ring (14), the inside fixed mounting who filters frame (41) has filter screen (42), flow groove (43) have been seted up to the one end of filtering frame (41), movable groove (44) have been seted up to the other one end of filtering frame (41), fixed apron (45) have been cup jointed in the inside activity of movable groove (44), the equal fixed mounting in upper and lower both ends of fixed apron (45) side has carriage (46), the side fixed mounting of carriage (46) has reset spring (47), the other one end fixed mounting of reset spring (47) is at the side of movable groove (44), carriage (46) slidable mounting is in the inside of movable groove (44).
4. A multi-functional integrated concentric water distributor according to claim 2, wherein: the working barrel (3) comprises a barrel body (31), an embedding groove (32) is formed in the top of the barrel body (31), a fixing groove (33) is formed in one end of the inside of the barrel body (31), a water outlet (34) is fixedly communicated with the inside of the fixing groove (33), the barrel body (31) is fixedly installed at the top of the upper joint (5), and the lifting cover (13) is movably sleeved on the outer surface of the barrel body (31).
5. The multifunctional integrated concentric water distributor of claim 1, wherein: the upper joint (5) comprises an upper connecting pipe (51), a fixing head (52) is fixedly mounted at the top of the upper connecting pipe (51), the top of the fixing head (52) is fixedly mounted at the bottom of the barrel body (31), a filter tank (54) is arranged inside the fixing head (52), a lifting groove (55) is arranged at the bottom of the filter tank (54), a thread groove (53) is arranged at the lower end of the fixing head (52), and an adjusting device (7) is arranged on the outer surface of the thread groove (53) in a threaded manner.
6. The multi-function integrated concentric water distributor according to claim 5, wherein: adjusting device (7) include lift ring (71), lift ring (71) threaded mounting is in thread groove (53) surface, shifting chute (72) have been seted up at the top of lift ring (71), the top movable mounting of shifting chute (72) has switch plate (73), switch plate (73) movable mounting is in the inside of lift groove (55), switch plate (73) movable mounting is in the inside of flow groove (43).
7. The multi-function integrated concentric water distributor according to claim 1, wherein: water injection subassembly (6) include core (61), the side fixed mounting of core (61) has water injection well choke (62), the fixed surface of water injection well choke (62) installs interception board (63), the bottom fixed mounting of core (61) has installation sealing washer (64), the surface movable mounting of water injection well choke (62) has switch cover (65), movable hole (66) staggered mutually with interception board (63) are seted up to the inside of switch cover (65), core (61) demountable installation is in the inside of fixed slot (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211016534.4A CN115288642A (en) | 2022-08-24 | 2022-08-24 | Multifunctional integrated concentric water distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211016534.4A CN115288642A (en) | 2022-08-24 | 2022-08-24 | Multifunctional integrated concentric water distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115288642A true CN115288642A (en) | 2022-11-04 |
Family
ID=83831429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211016534.4A Withdrawn CN115288642A (en) | 2022-08-24 | 2022-08-24 | Multifunctional integrated concentric water distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115288642A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733420A (en) * | 2023-08-11 | 2023-09-12 | 大庆市华禹石油机械制造有限公司 | Flow regulating structure of petroleum exploitation water distributor |
-
2022
- 2022-08-24 CN CN202211016534.4A patent/CN115288642A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733420A (en) * | 2023-08-11 | 2023-09-12 | 大庆市华禹石油机械制造有限公司 | Flow regulating structure of petroleum exploitation water distributor |
| CN116733420B (en) * | 2023-08-11 | 2023-11-07 | 大庆市华禹石油机械制造有限公司 | Flow regulating structure of petroleum exploitation water distributor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209752277U (en) | Wellhead filtering device for water injection well | |
| CN115288642A (en) | Multifunctional integrated concentric water distributor | |
| CN105201454A (en) | Anti-spraying multifunctional tail pipe for water injection well | |
| CN113231661B (en) | High-power high-speed drilling machine with hydraulic system | |
| CN201202430Y (en) | Boring tool inner blowout preventer | |
| CN108798615B (en) | Separate injection well completion pipe string of water injection well and snubbing well completion process | |
| CN216788360U (en) | Well-sealed safe and reliable float collar for drilling oil and gas well | |
| CN209243622U (en) | A kind of cylindricality lifting roadblock of integrated hydraulic drive system | |
| CN216419507U (en) | Anti-abrasion hydraulic crushing bucket | |
| CN113431538A (en) | Self-adaptive pressure-regulating water distributor | |
| CN212865563U (en) | Pavement crusher | |
| CN207660592U (en) | Unidirectional flow control sand control screen | |
| CN208380515U (en) | Sealing adjustment connector | |
| CN112413155A (en) | Sand prevention flat valve with sand filtering function | |
| RU2102582C1 (en) | Shut-off valve | |
| KR101202819B1 (en) | Stop valve integrated with check valve | |
| CN219035558U (en) | Concealed angle valve | |
| CN111236015A (en) | Pitch laying device with adjustable pay-off angle | |
| CN2554340Y (en) | Adjustable pressure ring shaped capping apparatus | |
| CN221170810U (en) | Regulation formula filtration formula water pump control valve | |
| CN212742437U (en) | Protective device for dam gate hoist | |
| CN218759787U (en) | Dustproof hole-leading drilling machine | |
| CN216867540U (en) | Stop valve with high sealing performance | |
| CN102031767A (en) | Sleeve valve with adjustable longitudinal flow | |
| CN220939278U (en) | Novel filter material leveling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221104 |