CN205400697U - Oil recovery water injection combines device - Google Patents
Oil recovery water injection combines device Download PDFInfo
- Publication number
- CN205400697U CN205400697U CN201620189059.4U CN201620189059U CN205400697U CN 205400697 U CN205400697 U CN 205400697U CN 201620189059 U CN201620189059 U CN 201620189059U CN 205400697 U CN205400697 U CN 205400697U
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- water injection
- injection pipe
- oil
- swivel nut
- connects
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Abstract
The utility model discloses an oil recovery water injection combines device, including producing string and water injection pipe, the water injection pipe sets up filter equipment in well head department, evenly be equipped with the water injection hole on the lower extreme perisporium of water injection pipe, connect the shutoff swivel nut on the water injection pipe lower extreme periphery wall, remove through the rotation of rotary rod and rotary disk on the surface of shutoff swivel nut, the inside of rotary disk is equipped with the internal tooth, the internal connection external gear of rotary disk, outer gear connection transmission shaft, servo motor is connected to the transmission shaft, producing string is connected in the outside of water injection pipe, be equipped with the step on the inner wall of producing string lower extreme, be equipped with the oil feed passageway in the step, the inside of oil feed passageway sets up the filter screen. The utility model discloses to recover the oil and the water injection combines as an organic wholely, bring very big convenience for oil extracting worker, improve the efficiency of recovering the oil, compare with traditional oil recovery water injection adjusting device water injection rate's control through removing the realization of shutoff swivel nut, and it is big to have a control range, and the efficient advantage of water injection has improved the recovery ratio of oil well indirectly.
Description
Technical field
This utility model relates generally to oil recovery field, specifically a kind of oil-extracting and water-injecting coupling apparatus.
Background technology
In field of oil field oil extraction, along with the exploitation gradually in oil field, oilfield exploitation difficulty is increasing, requires over water filling and realize the exploitation of oil well in oil extraction process.Water flood recovery, it is that the water utilizing water injection equipment that quality is meeted the requirements injects oil reservoir from water injection well, keeps formation pressure, order about underground crude oil and rise to oil well, inject water in oil reservoirs hole artificially, using water as ordering about agent by more crude oil displacement a kind of oil recovery technique out from oil reservoir.The well being presently required water filling is also more and more many, particularly in remote and water resources shortage area, if adopting existing water injection technology, also to set up pumping plant, pipe network, injection well downhole flow regulator etc., put into high expense, and current flow string and water injection pipe are independent tubing string, there is the shortcoming such as troublesome poeration, inefficiency in actual use.
Additionally oil field is when water injection work, and stopper in the commonly used eccentric injection mandrel of water injection well controls, this stopper to be automatically adjusted scope little, service life shortens, and the efficiency thus resulting in water injection well declines, and affects the recovery ratio of oil well.
Utility model content
In order to solve deficiency of the prior art, this utility model provides a kind of oil-extracting and water-injecting coupling apparatus, by oil-extracting and water-injecting process integration, and a kind of long service life is provided, being favorably improved the adjustment device of water-injection efficiency, for achieving the above object, this utility model is achieved through the following technical solutions:
nullA kind of oil-extracting and water-injecting coupling apparatus，Including flow string、Water injection pipe，Also include water injecting pump，Described water injection pipe passes through the hose connection water injecting pump of water filling，Described water filling flexible pipe is horizontally disposed with，Described water injection pipe extends vertically in producing well，Described producing well is provided with well head，Described water injection pipe arranges defecator at well head place，Described defecator includes screen plate，Described screen plate hollow，Described screen plate internal cavities installs magnetic core array，The outer surface of described magnetic core array installs magnetic conduction hair，The inwall of described water injection pipe is arranged below annular boss at screen plate，The lower end perisporium of described water injection pipe is uniformly provided with water injection hole，Described water injection hole communicates with water injection pipe inwall，Described water injection hole arranges several，Described water injection pipe lower end periphery wall connects closure swivel nut，The periphery wall of described water injection pipe lower end is connected by threaded engagement with closure swivel nut，The outer surface of described closure swivel nut is installed swingle，Described swingle is fixing with closure swivel nut to be connected，Well head is stretched out in the upper end of described swingle，Described swingle connects rotation dish in the upper end stretching out well head，Described rotation dish hollow structure，The inside of described rotation dish is provided with internal tooth，The inside of described rotation dish connects external gear，Described external gear matches with internal tooth，Described external gear connects power transmission shaft，Described power transmission shaft connects servomotor，The outside of described water injection pipe connects flow string，The inwall of described flow string lower end is provided with step，The outer wall of described water injection pipe is connected by screw thread with step，Described step is provided with oil inlet passage，The inside of described oil inlet passage arranges drainage screen，Described swingle stretches out well head by drainage screen.
Further, described water injection pipe arranging control valve, described water injection pipe also sets up preventer, described preventer is arranged on the lower end controlling valve.
Further, described magnetic conduction hair parabolically type.
The beneficial effects of the utility model:
1, oil recovery and water filling are combined as a whole by this utility model, bring great convenience to oil extraction operation, improve the efficiency of oil recovery simultaneously.
2, realize the control to water injection rate by mobile closure swivel nut, compared with regulating device with the oil-extracting and water-injecting of tradition eccentric injection mandrel, there is range of accommodation big, the advantage that water-injection efficiency is high, indirectly improve the recovery ratio of oil well.
3, the outer surface of described magnetic core array installs magnetic conduction hair, and described magnetic conduction hair is parabolically so that being fully contacted by the current of screen plate and magnetic conduction hair, thus improve the adsorption rate of impurity, simple in construction, substantially increasing the quality of water filling.
4, screen plate be arranged below annular boss, defecator can conveniently be disassembled by arranging of annular boss, convenient cleans.
Accompanying drawing explanation
Accompanying drawing 1 is device schematic diagram of the present utility model；
Accompanying drawing 2 is the schematic diagram of rotating disk device of the present utility model；
Accompanying drawing 3 is the enlarged drawing in I portion in accompanying drawing 1.
Label shown in accompanying drawing: 1, water injecting pump；2, water filling flexible pipe；3, valve is controlled；4, preventer；5, rotation dish；6, well head；7, swingle；8, water injection pipe；9, closure swivel nut；10, water injection hole；11, drainage screen；12, flow string；13, step；14, magnetic core array；15, magnetic conduction hair；16, screen plate；17, annular boss；18, external gear；19, internal tooth；20, power transmission shaft.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be understood that these embodiments are merely to illustrate this utility model rather than limit scope of the present utility model.In addition, it is to be understood that after having read the content that this utility model is lectured, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
nullAs shown in Figure 1，A kind of oil-extracting and water-injecting coupling apparatus，Including flow string 12、Water injection pipe 8，Also include water injecting pump 1，Described water injection pipe 8 connects water injecting pump 1 by water filling flexible pipe 2，Water in described water injecting pump 1 is transported in water injection pipe 8 by water filling flexible pipe 2，Described water filling flexible pipe 2 is horizontally disposed with，Described water injection pipe 8 extends vertically in producing well，Described water filling flexible pipe 2 and water injection pipe 8 pass through arc transition in junction，Described producing well is provided with well head 6，Described water injection pipe 8 arranges defecator at well head 6 place，Described defecator includes screen plate 16，Described screen plate 16 hollow，Described screen plate 16 internal cavities installs magnetic core array 14，The outer surface of described magnetic core array 14 installs magnetic conduction hair 15，Water Liu Dao well head 6 place in described water injection pipe 8，Filtered by screen plate 16，The space of described screen plate less than 16 is for depositing the impurity filtering and settling，Water in described water injection pipe 8 is the oxide of ferrum due to the main component of pipeline rust、Sulfide，So can utilize magnetic field effectively by this partial impurities adsorbing separation out，The internal cavities of described screen plate 16 is mounted with magnetic core array 14，The outer surface of described magnetic core array 14 installs magnetic conduction hair 15，Described magnetic conduction hair 15 is parabolically，Current by screen plate 16 and magnetic conduction hair are fully contacted，Thus improve the adsorption rate of impurity，Simple in construction，Substantially increase the quality of water filling，As shown in Figure 3，The inwall of described water injection pipe 8 is arranged below annular boss 17 at screen plate 16，Defecator can conveniently be disassembled by arranging of annular boss 17，Convenient cleaning.
nullAs shown in Figure 1，The lower end perisporium of described water injection pipe 8 is uniformly provided with water injection hole 10，Described water injection hole 10 communicates with water injection pipe 8 inwall，Described water injection hole 10 arranges several，Described water injection pipe 8 lower end periphery wall connects closure swivel nut 9，The periphery wall of described water injection pipe 8 lower end is connected by threaded engagement with closure swivel nut 9，The outer surface of described closure swivel nut 9 is installed swingle 7，Described swingle 7 is fixing with closure swivel nut 9 to be connected，Well head 6 is stretched out in the upper end of described swingle 7，Described swingle 7 connects rotation dish 5 in the upper end stretching out well head 6，Described rotation dish 5 hollow structure，The inside of described rotation dish 5 is provided with internal tooth 19，The inside of described rotation dish 5 connects external gear 18，Described external gear 18 matches with internal tooth 19，Described external gear 18 connects power transmission shaft 20，Described power transmission shaft 20 connects servomotor.During work, entered in the inner chamber of water injection pipe 8 by the water of defecator, closure swivel nut 9 can be made to move or move down on the outer wall of water injection pipe 8 by rotating clockwise or counterclockwise closure swivel nut 9, when water injection hole 10 is blocked by closure swivel nut 9, water injection hole 10 stops water filling, such that it is able to realize the control to water injection rate, compared with regulating device with the oil-extracting and water-injecting of tradition eccentric injection mandrel, there is range of accommodation big, the advantage that water-injection efficiency is high, indirectly improve the recovery ratio of oil well.
Described closure swivel nut 9 can be moved by the rotation of swingle 7 and rotation dish 5 on the outer wall of water injection pipe 8 or move down, as shown in Figure 2, servomotor drives power transmission shaft 20 to rotate, external gear 18 is along with power transmission shaft 20 rotary motion, owing to external gear 18 is wanted to engage with the internal tooth 19 of rotation dish 5, and then dish 5 can be rotated rotate, swingle 7 and the fixing connection of rotation dish 5, swingle 7 rotates along with rotation dish 5, and then drive closure swivel nut 9 to move, the upper shifting of closure swivel nut 9 can be realized by controlling the direction of rotation of power transmission shaft 20 or move down.
As shown in Figure 1, the outside of described water injection pipe 8 connects flow string 12, the inwall of described flow string 12 lower end is provided with step 13, the outer wall of described water injection pipe 8 is connected by screw thread with step 13, described step 13 is provided with oil inlet passage, the inside of described oil inlet passage arranges drainage screen 11, and described swingle 7 stretches out well head 6 by drainage screen 11.During work, by water injection pipe 8 to water filling in oil well, by the effect of hydraulic pressure, crude oil flows in flow string 12 by oil inlet passage in step 13, oil recovery and water filling are combined as a whole by this utility model, bring great convenience to oil extraction operation, improve the efficiency of oil recovery simultaneously.
Further, described water injection pipe 8 arranging control valve 3, described water injection pipe 8 also sets up preventer 4, described preventer 4 is arranged on the lower end controlling valve 3, and preventer is arranged on well head 6 place, it is possible to prevent the generation of gas blowout accident.
Specific embodiment:
nullA kind of oil-extracting and water-injecting coupling apparatus，Including flow string 12、Water injection pipe 8，Also include water injecting pump 1，Described water injection pipe 8 connects water injecting pump 1 by water filling flexible pipe 2，Described water filling flexible pipe 2 is horizontally disposed with，Described water injection pipe 8 extends vertically in producing well，Described water injection pipe 8 arranges control valve 3，Described water injection pipe 8 also sets up preventer 4，Described preventer 4 is arranged on the lower end controlling valve 3，Described producing well is provided with well head 6，Described water injection pipe 8 arranges defecator at well head 6 place，Described defecator includes screen plate 16，Described screen plate 16 hollow，Described screen plate 16 internal cavities installs magnetic core array 14，The outer surface of described magnetic core array 14 installs magnetic conduction hair 15，Described magnetic conduction hair 15 parabolically type，The inwall of described water injection pipe 8 is arranged below annular boss 17 at screen plate 16，The lower end perisporium of described water injection pipe 8 is uniformly provided with water injection hole 10，Described water injection hole 10 communicates with water injection pipe 8 inwall，Described water injection hole 10 arranges several，Described water injection pipe 8 lower end periphery wall connects closure swivel nut 9，The periphery wall of described water injection pipe 8 lower end is connected by threaded engagement with closure swivel nut 9，The outer surface of described closure swivel nut 9 is installed swingle 7，Described swingle 7 is fixing with closure swivel nut 9 to be connected，Well head 6 is stretched out in the upper end of described swingle 7，Described swingle 7 connects rotation dish 5 in the upper end stretching out well head 6，Described rotation dish 5 hollow structure，The inside of described rotation dish 5 is provided with internal tooth 19，The inside of described rotation dish 5 connects external gear 18，Described external gear 18 matches with internal tooth 19，Described external gear 18 connects power transmission shaft 20，Described power transmission shaft 20 connects servomotor，The outside of described water injection pipe 8 connects flow string 12，The inwall of described flow string 12 lower end is provided with step 13，The outer wall of described water injection pipe 8 is connected by screw thread with step 13，Described step 13 is provided with oil inlet passage，The inside of described oil inlet passage arranges drainage screen 11，Described swingle 7 stretches out well head 6 by drainage screen 11.The beneficial effects of the utility model: oil recovery and water filling are combined as a whole by this utility model, bring great convenience to oil extraction operation, improve the efficiency of oil recovery simultaneously；The control to water injection rate can be realized by mobile closure swivel nut 9, compared with regulating device with the oil-extracting and water-injecting of tradition eccentric injection mandrel, there is range of accommodation big, the advantage that water-injection efficiency is high, indirectly improve the recovery ratio of oil well；The outer surface of described magnetic core array 14 installs magnetic conduction hair 15, and described magnetic conduction hair 15 is parabolically so that being fully contacted by the current of screen plate 16 and magnetic conduction hair 15, thus improve the adsorption rate of impurity, simple in construction, substantially increasing the quality of water filling；Screen plate 16 be arranged below annular boss 17, defecator can conveniently be disassembled by arranging of annular boss 17, convenient cleans.
Claims (3)
- null1. an oil-extracting and water-injecting coupling apparatus，Including flow string (12) and water injection pipe (8)，It is characterized in that: also include water injecting pump (1)，Described water injection pipe (8) connects water injecting pump (1) by water filling flexible pipe (2)，Described water filling flexible pipe (2) is horizontally disposed with，Described water injection pipe (8) extends vertically in producing well，Described producing well is provided with well head (6)，Described water injection pipe (8) arranges defecator at well head (6) place，Described defecator includes screen plate (16)，Described screen plate (16) hollow，Described screen plate (16) internal cavities installs magnetic core array (14)，The outer surface of described magnetic core array (14) installs magnetic conduction hair (15)，The inwall of described water injection pipe (8) is arranged below annular boss (17) at screen plate (16)，The lower end perisporium of described water injection pipe (8) is uniformly provided with water injection hole (10)，Described water injection hole (10) communicates with water injection pipe (8) inwall，Described water injection hole (10) arranges several，Described water injection pipe (8) lower end periphery wall connects closure swivel nut (9)，The periphery wall of described water injection pipe (8) lower end is connected by threaded engagement with closure swivel nut (9)，The outer surface of described closure swivel nut (9) is installed swingle (7)，Described swingle (7) is fixing with closure swivel nut (9) to be connected，Well head (6) is stretched out in the upper end of described swingle (7)，Described swingle (7) connects rotation dish (5) in the upper end stretching out well head (6)，Described rotation dish (5) hollow structure，The inside of described rotation dish (5) is provided with internal tooth (19)，The inside of described rotation dish (5) connects external gear (18)，Described external gear (18) matches with internal tooth (19)，Described external gear (18) connects power transmission shaft (20)，Described power transmission shaft (20) connects servomotor，The outside of described water injection pipe (8) connects flow string (12)，The inwall of described flow string (12) lower end is provided with step (13)，The outer wall of described water injection pipe (8) is connected by screw thread with step (13)，Described step is provided with oil inlet passage in (13)，The inside of described oil inlet passage arranges drainage screen (11)，Described swingle (7) stretches out well head (6) by drainage screen (11).
- 2. a kind of oil-extracting and water-injecting coupling apparatus according to claim 1, it is characterized in that: described water injection pipe (8) arranges control valve (3), also setting up preventer (4) on described water injection pipe (8), described preventer (4) is arranged on the lower end controlling valve (3).
- 3. a kind of oil-extracting and water-injecting coupling apparatus according to claim 1, it is characterised in that: described magnetic conduction hair (15) parabolically type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189059.4U CN205400697U (en) | 2016-03-11 | 2016-03-11 | Oil recovery water injection combines device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189059.4U CN205400697U (en) | 2016-03-11 | 2016-03-11 | Oil recovery water injection combines device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205400697U true CN205400697U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620189059.4U Expired - Fee Related CN205400697U (en) | 2016-03-11 | 2016-03-11 | Oil recovery water injection combines device |
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| CN (1) | CN205400697U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488267A (en) * | 2017-09-12 | 2019-03-19 | 中国石油天然气股份有限公司 | Recovery system and collecting method |
| CN113323640A (en) * | 2021-07-21 | 2021-08-31 | 何忠交 | Water-mixing process combined wellhead device |
-
2016
- 2016-03-11 CN CN201620189059.4U patent/CN205400697U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488267A (en) * | 2017-09-12 | 2019-03-19 | 中国石油天然气股份有限公司 | Recovery system and collecting method |
| CN113323640A (en) * | 2021-07-21 | 2021-08-31 | 何忠交 | Water-mixing process combined wellhead device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20170311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |