CN112682005B - Novel structure is adjusted to water injection mandrel - Google Patents
Novel structure is adjusted to water injection mandrel Download PDFInfo
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- CN112682005B CN112682005B CN202011602750.8A CN202011602750A CN112682005B CN 112682005 B CN112682005 B CN 112682005B CN 202011602750 A CN202011602750 A CN 202011602750A CN 112682005 B CN112682005 B CN 112682005B
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The invention discloses a novel water distributor adjusting structure which comprises a main body with an internal channel, wherein at least two fixed cylinders are arranged in the internal channel of the main body, a central channel and a water injection channel are arranged on the fixed cylinders, rotary vanes are arranged in the internal channel of the main body, the rotary vanes are matched at the inlet of the water injection channel, and a water injection port opposite to the water injection channel is arranged on the main body. The invention has the advantages that: when two or more strata are controlled to be injected with water and one water distributor is used, the regulation is realized through a set of regulating structure; when the current layer and the next layer are injected with water, the controllable switching of different water injection layers is realized, and the switching operation is relatively independent; the overrunning clutch principle is adopted, and two sets of rotating cores and fixed cylinders which rotate positively and negatively are used for completing the injection flow and injection layer control of two stratums; the whole structure has higher integration degree, more compact design and smaller volume; the rotary core and the end face of the fixed cylinder are combined together after grinding, and the switching and control of the water flow injection area are realized through end face sealing, so that the water flow injection amount is adjusted.
Description
Technical Field
The invention relates to an oil field water injection instrument, in particular to a novel water distributor adjusting structure.
Background
In heterogeneous multi-reservoir exploitation, in order to strengthen the medium and low permeable layers and control the water injection of the high permeable layer, the water injection mode of layered injection control is realized in the water injection well according to the injection allocation requirement, which becomes an important means for solving the inter-layer contradiction in the oil field development process, maintaining the long-term stable and high yield of the oil field and improving the recovery ratio.
At present, in the development process of oil field water injection instruments and tools, the water injection instruments are complex in structure, large in size and limited in function, and cannot meet the increasingly improved water injection requirement, so that the development of intellectualization and multifunction is started in the prior art, the development trend of controlling water injection of two stratums by one instrument appears in two-layer water injection wells, the operation is greatly simplified, the efficiency is improved, and the water injection instruments are researched and developed under the background.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, provide a novel water distributor adjusting structure and solve the problems of complex structure, large volume and limited functions of the existing water distributor adjusting structure.
The invention is realized by the following technical scheme: the utility model provides a novel structure is adjusted to water injection mandrel, is equipped with two at least surely section of thick bamboos including the main part that has inner channel in the inner channel of main part, decides and is equipped with central channel and water injection passageway on the section of thick bamboo, is equipped with rotatory rotor in the inner channel of main part, and water injection passageway's import department all cooperates with the rotor, is equipped with the water filling port relative with water injection passageway in the main part.
Further, the body is connected to a fairing located at the inlet of the internal passage.
Furthermore, a compression spring with a rotary vane is arranged in the main body.
Furthermore, the compression spring is arranged on the decompression bearing, and the decompression bearing is arranged in the main body.
Furthermore, the rotating sheet is internally provided with a rotating core, the rotating sheet and the rotating core form an overrunning clutch structure, and the at least two overrunning clutch structures have different rotating matching directions.
Furthermore, the overrunning clutch mechanism is in a ratchet and pawl type.
Further, a fixed section of thick bamboo including deciding a section of thick bamboo I and deciding a section of thick bamboo II, decide a section of thick bamboo I and revolve piece I cooperation, be equipped with in the section of thick bamboo I and change core I, decide a section of thick bamboo II and revolve piece II cooperation, be equipped with in the section of thick bamboo II and change core II, revolve piece I and change between the core I and revolve piece II and revolve the freewheel clutch structure that forms between the core II and have different rotatory cooperation directions.
Further, a fixed cylinder I on be equipped with current layer water injection passageway, be equipped with next floor water injection passageway on the fixed cylinder II, be equipped with current layer water filling port and next floor water filling port in the main part, current layer water injection passageway and current layer water filling port intercommunication, next floor water injection passageway and next floor water filling port intercommunication, next floor water filling port and next floor aqueduct intercommunication.
Furthermore, the water injection port of the current layer is positioned at the side part of the main body, and the water injection port of the next layer is positioned at the tail end of the main body.
Further, the rotary plate driving device further comprises a driving assembly for driving the rotary plate.
Furthermore, the driving assembly is arranged at the tail end of the main body and penetrates through the fixed cylinder to drive the rotary plate.
Furthermore, the driving assembly comprises a motor assembly, the motor assembly is connected with the spindle, and the spindle drives the rotary vane.
Furthermore, a dynamic seal is arranged between the main body and the main shaft.
Furthermore, the center of the fixed cylinder is provided with a main shaft hole, and the water injection channel is positioned on the side of the fixed cylinder.
Furthermore, the water injection channels are symmetrically arranged.
Furthermore, the section of the water injection channel is fan-shaped, and a fan-shaped channel is arranged on the rotary core.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. when two or more strata are controlled to be injected with water and one water distributor is used, the regulation is realized through a set of regulating structure;
2. when the current layer and the next layer are injected with water, the controllable switching of different water injection layers is realized, and the switching operation is relatively independent;
3. the overrunning clutch principle is adopted, and two sets of rotating cores and fixed cylinders which rotate positively and negatively are used for completing the injection flow and injection layer control of two stratums;
4. the whole structure has higher integration degree, more compact design and smaller volume;
5. the rotary core and the end face of the fixed cylinder are combined together after grinding, and the switching and control of the water flow injection area are realized through end face sealing, so that the water flow injection amount is adjusted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a schematic view of the structure of the present invention II.
FIG. 3 is a schematic view of the structure of the stator tube of the present invention.
Fig. 4 is a schematic view of the rotary core structure of the present invention.
FIG. 5 is a schematic view of a rotor plate according to the present invention.
In the figure: 1-a fairing, 2-a compression spring, 3-a main body, 4-a rotary vane I, 5-a rotary core I, 6-a fixed cylinder I, 7-a pressure reducing bearing, 8-a rotary vane II, 9-a rotary core II, 10-a fixed cylinder II, 11-a main shaft, 12-a dynamic seal, 13-a motor component, 14-a current layer water outlet, 15-a next layer water outlet and 16-a next layer water guide pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
As shown in fig. 1 to 5, a novel water distributor adjusting structure comprises a fairing 1, a compression spring 2, a main body 3, a rotary vane, a rotary core, a fixed cylinder, a pressure reducing bearing 7, a main shaft 11, a dynamic seal 12, a motor assembly 13 and a next layer of water guide pipe 16.
The body 3 has an internal passage for the passage of water injection. Be equipped with two at least surely section of thick bamboos in the inside passage of main part 3, decide a section of thick bamboo and form sealedly through O type circle and main part, realize the layering and keep apart, water injection scurrying layer when preventing the water injection. The fixed barrel is provided with a central channel and a water injection channel, the central channel is used for water flow to enter the rear part of the internal channel, the water injection channel is used for water flow to enter relative water injection ports, and the water injection ports are arranged on the main body 3 and used for water flow to enter an oil layer.
The inside passage of main part 3 is equipped with rotatory rotor plate, and the import department of water injection passageway all cooperates with the rotor plate, through the rotatory opening and close of control water injection passageway of rotor plate. The two joint surfaces of the rotary sheet and the fixed cylinder are made of surface ceramic materials matched with a grinding process, so that the smoothness of the joint surfaces and the adsorption force of the joint surfaces are ensured, and the sealing and the fitting between the rotary sheet and the fixed cylinder are realized. The rotary core is arranged in the rotary sheet, and the rotary core is provided with a through hole for flowing water to pass through. The rotary plate and the rotary core form a ratchet wheel pawl type overrunning clutch structure to realize the unidirectional rotation control of the rotary plate. At least two of the overrunning clutch structures have different rotation fit directions. Through the control of different rotation directions, realize that the rotor plate cooperates and changes the core and rotate, realize the relatively independent control to different rotor plates.
Specifically, the fixed cylinder comprises a fixed cylinder I6 and a fixed cylinder II10 which are arranged from front to back, the fixed cylinder I6 is matched with a rotary plate I4, a rotary core I5 is arranged in the rotary plate I4, the fixed cylinder II10 is matched with a rotary plate II8, a rotary core II9 is arranged in the rotary plate II8, and overrunning clutch structures formed between the rotary plate I4 and the rotary core I5 and between the rotary plate II8 and the rotary core II9 have different rotation matching directions. Namely, the rotary core I can drive the rotary plate I to rotate only when rotating clockwise, and the joint of the rotary plate I and the rotary core I can slip and cannot drive rotation when rotating anticlockwise. The same principle, only can be when anticlockwise rotation, it is rotatory that commentaries on classics core II can drive rotor plate II, and rotor plate II can skid with commentaries on classics core II combination department when to clockwise rotation, can't drive rotatoryly.
Decide and be equipped with current layer water injection passageway on the section of thick bamboo I6, be equipped with next floor water injection passageway on the section of thick bamboo II10, be equipped with current layer water filling port 14 and next floor water filling port 15 on the main part 3, current layer water injection passageway and current layer water filling port 14 intercommunication, current layer water filling port 14 is located the lateral part of main part 3, realizes letting in current layer with rivers. The next water injection channel is communicated with the next water injection port 15, the next water injection port 15 is communicated with the next water guide pipe 16, and the next water injection port 15 is positioned at the tail end of the main body 3, so that water flow is introduced into the next layer.
The center of the fixed cylinder is provided with a spindle hole which is used for the penetration of a spindle. The water injection channel is located on the side of the fixed cylinder and symmetrically arranged, so that the water injection channel and the water outlet are conveniently processed and arranged. The water injection channels on different fixed cylinders are staggered by 90 degrees, namely the water injection channel and the water outlet of the fixed cylinder I are horizontally arranged, and the water injection channel and the water outlet of the fixed cylinder II rotate by 90 degrees relative to the fixed cylinder I, so that the water injection device plays a role in layering water injection.
The cross-section of the water injection channel is fan-shaped, the rotating core is provided with a fan-shaped channel, when the fan shape on the rotating core is opposite to the fan shape of the water injection channel, the internal channel is communicated with the water injection channel, water flow flows into the opposite oil layer, otherwise, the water injection channel is closed.
The fairing 1 is connected to the front end of the body 3 by bolts, the fairing 1 being located at the inlet of the internal passage. The opening of the end part of the fairing 1 is a conical water passing grid, and the rear part of the fairing is of a barrel-shaped structure, so that water flow entering the internal channel is rectified. And compression springs 2 are arranged between the fairing 1 and the rotary vane I4 and between the fixed cylinder I6 and the rotary vane II8, and are used for compressing the rotary vanes so as to realize the sealing fit of the rotary vanes and the fixed cylinder. The fairing 1 and the fixed cylinder I6 are both provided with a pressure reducing bearing 7 matched with the pressing spring 2, and the pressure reducing bearing is used for reducing the friction of the rotation of the spring and converting the overlarge friction force to the rotating bearing.
The rotary vane I and the rotary vane II are driven to rotate by the driving assembly, the driving assembly is arranged at the tail end of the main body 3, and the driving assembly penetrates through the fixed cylinder to drive the rotary vane, so that the size of the whole structure can be saved. Drive assembly includes motor element 13, and motor element 13 passes through the bolt fastening at the tail end of main part 3, and motor element 13 is connected with main shaft 11, and main shaft 11 is connected with commentaries on classics core I, commentaries on classics core II. Can drive through motor element and change core I, change core II and carry out just reversing.
Install angle control structure on the motor element, when rotor I and rotor II rotate, through motor element's drive to and the angle control structure effect on it, with rotor I and rotor II's rotation angle control at certain angle, to deciding a section of thick bamboo I and deciding the area control of flowing water passageway on the section of thick bamboo II, play and open, close and the control flow purpose. Be equipped with the driving sleeve in the main part 3, be equipped with dynamic seal 12 and bearing between driving sleeve and the main shaft 11, realize the rotation of main shaft in the main part, avoid rivers to get into the motor element at rear portion through the gap of main shaft simultaneously.
The switch of control current layer or next layer is then realized by motor element's just reversing, and control current layer will clockwise rotation main shaft, drives the rotating vane I on current layer and rotates to certain angle, realizes opening entirely, close or control switch degree, and is in the state of skidding when the rotating vane II of next layer clockwise rotation, and is unable rotatory, keeps the state when last regulation. When the next layer of rotor plate II is to be controlled, the spindle rotates anticlockwise, the spindle drives the rotor plate II to rotate anticlockwise to a required angle, the water filling port of the next layer is opened or closed or a specified position is achieved, and similarly, the rotor plate is in a slipping state, cannot rotate and is kept at the last adjusting position.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A new water distributor regulating structure, comprising a main body (3) with an internal passage, characterized in that: at least two fixed cylinders are arranged in the internal channel of the main body (3), a central channel and a water injection channel are arranged on the fixed cylinders, rotary vanes are arranged in the internal channel of the main body (3), the rotary vanes are matched with the inlets of the water injection channel, and a water injection port opposite to the water injection channel is arranged on the main body (3);
the rotary plate is internally provided with a rotary core, the rotary plate and the rotary core form an overrunning clutch structure, and at least two overrunning clutch structures have different rotation matching directions.
2. The novel water distributor adjustment structure as claimed in claim 1, wherein: the main body (3) is connected with the fairing (1), and the fairing (1) is positioned at the inlet of the internal channel.
3. A novel water distributor adjusting structure as claimed in claim 1 or 2, wherein: the main body (3) is internally provided with a compression spring (2) with a pressing rotary vane.
4. A novel water distributor adjustment structure as claimed in claim 3 wherein: the compression spring (2) is arranged on the decompression bearing (7), and the decompression bearing (7) is arranged in the main body (3).
5. The novel water distributor adjustment structure as claimed in claim 1, wherein: the fixed cylinder comprises a fixed cylinder I (6) and a fixed cylinder II (10), the fixed cylinder I (6) is matched with a rotary plate I (4), a rotary core I (5) is arranged in the rotary plate I (4), the fixed cylinder II (10) is matched with a rotary plate II (8), a rotary core II (9) is arranged in the rotary plate II (8), and an overrunning clutch structure formed between the rotary plate I (4) and the rotary core I (5) and between the rotary plate II (8) and the rotary core II (9) has different rotation matching directions.
6. The novel water distributor adjustment structure as claimed in claim 5, wherein: decide a section of thick bamboo I (6) on be equipped with current layer water injection passageway, be equipped with lower one deck water injection passageway on deciding a section of thick bamboo II (10), be equipped with current layer water filling port (14) and lower one deck water filling port (15) on main part (3), current layer water injection passageway and current layer water filling port (14) intercommunication, lower one deck water injection passageway and lower one deck water filling port (15) intercommunication, lower one deck water filling port (15) and lower one deck aqueduct (16) intercommunication.
7. The novel water distributor adjustment structure as claimed in claim 6, wherein: the current layer water injection port (14) is positioned at the side part of the main body (3), and the next layer water injection port (15) is positioned at the tail end of the main body (3).
8. The novel water distributor adjusting structure as claimed in any one of claims 1, 5-7, wherein: the rotary plate driving mechanism further comprises a driving assembly for driving the rotary plate.
9. The novel water distributor adjustment structure as claimed in claim 8, wherein: the driving component is arranged at the tail end of the main body (3) and penetrates through the fixed cylinder to drive the rotary vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011602750.8A CN112682005B (en) | 2020-12-29 | 2020-12-29 | Novel structure is adjusted to water injection mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011602750.8A CN112682005B (en) | 2020-12-29 | 2020-12-29 | Novel structure is adjusted to water injection mandrel |
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| CN112682005A CN112682005A (en) | 2021-04-20 |
| CN112682005B true CN112682005B (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011602750.8A Active CN112682005B (en) | 2020-12-29 | 2020-12-29 | Novel structure is adjusted to water injection mandrel |
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| FR2269283A5 (en) * | 1973-12-20 | 1975-11-21 | Ceria | Oil pumping system - for adjacent boreholes with reciprocating drive |
| CN101691835A (en) * | 2009-10-20 | 2010-04-07 | 大庆油田有限责任公司 | Layered high-pressure high-resolution adjustable water injection valve in oilfield |
| RU2512156C1 (en) * | 2012-10-31 | 2014-04-10 | Открытое акционерное общество "Татнефть" имени В.Д. Шашина | Device for pumping gas-liquid mixture to formation |
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| CN112682005A (en) | 2021-04-20 |
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