CN105569617A - Opening and closing type oil production and water control device - Google Patents
Opening and closing type oil production and water control device Download PDFInfo
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- CN105569617A CN105569617A CN201510802968.0A CN201510802968A CN105569617A CN 105569617 A CN105569617 A CN 105569617A CN 201510802968 A CN201510802968 A CN 201510802968A CN 105569617 A CN105569617 A CN 105569617A
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Abstract
The invention relates to the technical field of water control and oil production devices for oil production engineering and provides an opening and closing type oil production and water control device. The opening and closing type oil production and water control device comprises an upper joint, an upper connecting barrel, a middle connecting barrel, an opening and closing slide bushing, a lower connecting barrel, a sealing barrel and a sieve tube, wherein a mounting ring platform is arranged on the inner wall of the upper part of the upper joint, an upper limit ring is fixedly mounted on the outer wall of the lower end of the upper connecting barrel, a mounting ring platform seat is arranged on the upper limit ring, the upper end of the middle connecting barrel is arranged on the upper connecting barrel below the upper limit ring in a sleeving manner, and an outer ring platform is arranged on the outer wall of the upper part of the middle connecting barrel. The opening and closing type oil production and water control device is reasonable and compact in structure and convenient to use and can effectively prevent sealing failure in oil production and water control construction work; the oil production construction cost is reduced in a non-welding and replaceable-size manner, and impurities in produced oil are greatly reduced by adopting a sieve tube type filtering manner; meanwhile, when little oil production and serious water outlet occur on certain formation, the formation can be sealed by the opening and closing slide bushing, water inlet is avoided, and the bottom water coning phenomenon is relieved greatly according to the mode.
Description
Technical field
The present invention relates to petroleum production engineering control hydromining oil device technique field, is a kind of switching regulator oil recovery water control device.
Background technology
In the digging construction operation process of straight well or exceptional well, often need, according to stratum producing pressure differential, packing control water oil producing operation is carried out to each section of oil well and prevent bottom water coning.This construction technology needs to use in pit shaft, prevents the new tool of the bottom water coning when oil recovery construction operation.And the oil recovery water control device of routine relies on welding to be fixedly connected with base tube by the critical components such as crucial top connection, lower seal cylinder, its welded construction easily makes these key part structure be out of shape and cause seal failure.Meanwhile, the parts after welding become disposable extracting device of oil, can not carry out the change of physical dimension again, cause cost up like this, and conventional filter net device can not the effective series of problems such as oil strain.
Summary of the invention
The invention provides a kind of switching regulator oil recovery water control device, overcome the deficiency of above-mentioned prior art, it effectively can solve conventional oil recovery water control device exists welded construction and causes the low high and conventional filter net device of cost that causes of seal failure, capacity utilization can not the problem of effective oil strain when oil recovery construction operation.
Technical scheme of the present invention is realized by following measures: a kind of switching regulator oil recovery water control device, comprises top connection, upper connecting cylinder, middle connecting cylinder, switching sliding sleeve, lower connecting cylinder, sealing drum and screen casing, the upper inside wall of top connection is provided with installation land, the lower end outer wall of upper connecting cylinder is installed with upper limit ring, erection loop pedestal is on upper limit ring, the upper end of middle connecting cylinder is enclosed within the upper connecting cylinder below upper limit ring, the external wall of upper portion of middle connecting cylinder is provided with outer land, the corresponding middle connecting cylinder of outer land and the bottom of top connection are fixedly installed togather, the middle part inwall of middle connecting cylinder is provided with interior land, in above interior land, connecting cylinder inwall is set with fixed muffle, the internal diameter of interior land, the internal diameter of fixed muffle is consistent with the internal diameter of upper connecting cylinder and match with the external diameter of switching sliding sleeve, in between the lower end and the upper end of fixed muffle of upper connecting cylinder, connecting cylinder inwall is installed with reinforced seal, the upper inside wall of upper connecting cylinder is provided with upper limit land, the lower end inner wall of interior land is provided with lower limit land, the upper inside wall of interior land is provided with annular groove, interior land lower inner wall is provided with lower annular groove, the upper connecting cylinder of switching sliding sleeve between upper limit land and lower limit land, in the ring cavity that fixed muffle and middle connecting cylinder are formed, the bottom outer wall of switching sliding sleeve is provided with mentioning of matching with upper annular groove and lower annular groove, mention and be positioned at annular groove, the switching sliding sleeve that correspondence is mentioned is provided with axial grid, middle connecting cylinder, fixed muffle and switching sliding sleeve there is corresponding radial direction through hole to form pod apertures respectively, middle connecting cylinder inwall below lower limit land and the external wall of upper portion of lower connecting cylinder are fixedly installed togather, lower connecting cylinder outer wall below middle connecting cylinder is installed with lower limit ring, sealing cylinder base is arranged in below connecting cylinder on lower limit ring, the bottom outer wall of outer land is provided with sealing land, in below top connection, connecting cylinder is set with urceolus, the upper inside wall of urceolus fits tightly with sealing land, the lower inner wall of urceolus is provided with the closure gasket groove that internal diameter and sealing drum external diameter match, offset outside the upper surface of closure gasket groove and the upper surface of sealing drum, the lower end outside of sealing drum is integrally fixed with oil pocket ring set, the lower end outer wall of oil pocket ring set is integrally fixed with installation ring set, lower connecting cylinder outer wall below oil pocket ring set is installed with snap ring, the external wall of upper portion of upper snap ring is integrally fixed with the snap ring boss of annular, the lower end of oil pocket ring set and the upper surface of snap ring boss offset, the outer wall of snap ring boss fits tightly with the inwall installing ring set, the inwall of ring set is installed, on being formed between the outer wall of upper snap ring and the lower surface of snap ring boss, annular groove is installed, the bottom outer wall of upper connecting cylinder is installed with lower snap ring, the upper surface of lower snap ring there is the lower installation annular groove corresponding with upper installation annular groove, screen casing comprises screen casing body and screen cloth, screen casing body is evenly equipped with aperture, screen cloth is fixedly mounted on the inwall of screen casing body, the top and bottom of screen cloth are all longer than in the top and bottom of screen casing body, screen pipe sleeve is contained on the lower connecting cylinder outer wall between snap ring and lower snap ring, the top and bottom of screen casing body lay respectively in installation annular groove and lower installation annular groove, the upper snap ring of corresponding screen cloth there is axial fluid passage, middle connecting cylinder, sealing land, the sap cavity room that oils is formed between urceolus and upper snap ring, lower connecting cylinder, sealing drum, lower fluid chamber is formed between oil pocket ring set and upper snap ring, sealing drum is provided with the runner that can be communicated with oil sap cavity room and lower fluid chamber.
Here is the further optimization and/or improvements to foregoing invention technical scheme:
Above-mentionedly at runner internal fixtion, tungsten carbide metering hole is installed.
Be installed with between above-mentioned middle connecting cylinder and fixed muffle and mark closely, be installed with between the middle connecting cylinder of corresponding outer land and the bottom of top connection and mark closely, be installed with between reinforced seal and middle connecting cylinder and mark closely, the middle connecting cylinder inwall below lower limit land and being installed with between the external wall of upper portion of lower connecting cylinder is marked closely.
Sealing ring is installed with between the upper inside wall of above-mentioned urceolus and sealing land, sealing ring is installed with between fixed muffle lower end and interior land upper end, sealing ring is installed with between middle connecting cylinder inwall below lower limit land and the upper inside wall of lower connecting cylinder, sealing ring is installed with, the outer wall of sealing drum and be installed with sealing ring between urceolus between the inwall of sealing drum and lower connecting cylinder.
Middle connecting cylinder inwall below above-mentioned lower limit land and the external wall of upper portion of lower connecting cylinder are fixedly installed togather by screw thread, the lower connecting cylinder outer wall below oil pocket ring set is welded with snap ring, the bottom outer wall of upper connecting cylinder is welded with lower snap ring.
Reasonable and compact in structure of the present invention, easy to use, can effectively solve in the problem preventing seal failure in control water construction operation of recovering the oil, the mode simultaneously by not welding replaceable size makes its construction cost that recovers the oil reduce, and takes the filtered version of sieve tube type, the oil residue gathered is allowed to greatly reduce, meanwhile, when when certain one deck position is less fuel-displaced, water outlet is serious, by switching sliding sleeve by its packing, do not allow water enter, this mode slows down bottom water coning phenomenon greatly.
Accompanying drawing explanation
To be that the top of preferred embodiment is main look half section structural representation with accompanying drawing 1.
To be that the middle part of preferred embodiment is main look half section structural representation with accompanying drawing 2.
To be that the bottom of preferred embodiment is main look half section structural representation with accompanying drawing 3.
Accompanying drawing 4 is the A place structure for amplifying schematic diagram of accompanying drawing 2.
Accompanying drawing 5 is the B place structure for amplifying schematic diagram of accompanying drawing 3.
Accompanying drawing 6 is the C place structure for amplifying schematic diagram of accompanying drawing 3.
Coding in accompanying drawing is respectively: 1 is top connection, 2 for installing land, 3 is upper connecting cylinder, 4 is upper limit ring, 5 is middle connecting cylinder, 6 is outer land, 7 is interior land, 8 is fixed muffle, 9 is switching sliding sleeve, 10 is reinforced seal, 11 is upper limit land, 12 is lower limit land, 13 is upper annular groove, 14 is lower annular groove, 15 is fluid passage, 16 is grid, 17 is pod apertures, 18 is lower connecting cylinder, 19 is lower limit ring, 20 is sealing drum, 21 is sealing land, 22 is urceolus, 23 is closure gasket groove, 24 is oil pocket ring set, 25 for installing ring set, 26 is upper snap ring, 27 is snap ring boss, 28 is lower snap ring, 29 is screen casing, 30 is screen casing body, 31 is screen cloth, 32 is aperture, 33 is the sap cavity room that oils, 34 is lower fluid chamber, 35 is runner, 36 for marking closely, 37 is sealing ring, 38 is box cupling.
Detailed description of the invention
The present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
In the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing, the invention will be further described:
As shown in accompanying drawing 1,2,3,4,5,6, this switching regulator oil recovery water control device comprises top connection 1, upper connecting cylinder 3, middle connecting cylinder 5, switching sliding sleeve 9, lower connecting cylinder 18, sealing drum 20 and screen casing 29, the upper inside wall of top connection 1 is provided with installs land 2, the lower end outer wall of upper connecting cylinder 3 is installed with upper limit ring 4, land 2 is installed on upper limit ring 4, the upper end of middle connecting cylinder 5 is enclosed within the upper connecting cylinder 3 below upper limit ring 4, the external wall of upper portion of middle connecting cylinder 5 is provided with outer land 6, the middle connecting cylinder 5 of corresponding outer land 6 is fixedly installed togather with the bottom of top connection 1, the middle part inwall of middle connecting cylinder 5 is provided with interior land 7, in above interior land 7, connecting cylinder 5 inwall is set with fixed muffle 8, the internal diameter of interior land 7, the internal diameter of fixed muffle 8 is consistent with the internal diameter of upper connecting cylinder 3 and match with the external diameter of switching sliding sleeve 9, in between the lower end and the upper end of fixed muffle 8 of upper connecting cylinder 3, connecting cylinder 5 inwall is installed with reinforced seal 10, the upper inside wall of upper connecting cylinder 3 is provided with upper limit land 11, the lower end inner wall of interior land 7 is provided with lower limit land 12, the upper inside wall of interior land 7 is provided with annular groove 13, interior land 7 lower inner wall is provided with lower annular groove 14, the upper connecting cylinder 3 of switching sliding sleeve 9 between upper limit land 11 and lower limit land 12, in the ring cavity that fixed muffle 8 and middle connecting cylinder 5 are formed, the bottom outer wall of switching sliding sleeve 9 is provided with mentioning of matching with upper annular groove 13 and lower annular groove 14, mention and be positioned at annular groove 13, the switching sliding sleeve 9 that correspondence is mentioned is provided with axial grid 16, middle connecting cylinder 5, fixed muffle 8 and switching sliding sleeve there is corresponding radial direction through hole to form pod apertures 17 respectively, the external wall of upper portion of middle connecting cylinder 5 inwall below lower limit land 12 and lower connecting cylinder 18 is fixedly installed togather, lower connecting cylinder 18 outer wall below middle connecting cylinder 5 is installed with lower limit ring 19, sealing drum 20 is on lower limit ring 19 and be arranged in below connecting cylinder 5, the bottom outer wall of outer land 6 is provided with sealing land 21, in below top connection 1, connecting cylinder 5 is set with urceolus 22, the upper inside wall of urceolus 22 fits tightly with sealing land 21, the lower inner wall of urceolus 22 is provided with the closure gasket groove 23 that internal diameter and sealing drum 20 external diameter match, offset outside the upper surface of closure gasket groove 23 and the upper surface of sealing drum 20, the lower end outside of sealing drum 20 is integrally fixed with oil pocket ring set 24, the lower end outer wall of oil pocket ring set 24 is integrally fixed with installs ring set 25, lower connecting cylinder 18 outer wall below oil pocket ring set 24 is installed with snap ring 26, the external wall of upper portion of upper snap ring 26 is integrally fixed with the snap ring boss 27 of annular, the lower end of oil pocket ring set 24 and the upper surface of snap ring boss 27 offset, the outer wall of snap ring boss 27 fits tightly with the inwall installing ring set 25, the inwall of ring set 25 is installed, on being formed between the outer wall of upper snap ring 26 and the lower surface of snap ring boss 27, annular groove is installed, the bottom outer wall of upper connecting cylinder 3 is installed with lower snap ring 28, the upper surface of lower snap ring 28 there is the lower installation annular groove corresponding with upper installation annular groove, screen casing 29 comprises screen casing body 30 and screen cloth 31, screen casing body 30 is evenly equipped with aperture 32, screen cloth 31 is fixedly mounted on the inwall of screen casing body 30, the top and bottom of screen cloth 31 are all longer than in the top and bottom of screen casing body 30, screen casing 29 is sleeved on lower connecting cylinder 18 outer wall between snap ring 26 and lower snap ring 28, the top and bottom of screen casing body 30 lay respectively in installation annular groove and lower installation annular groove, the upper snap ring 26 of corresponding screen cloth 31 there is axial fluid passage 15, middle connecting cylinder 5, sealing land 21, the sap cavity room 33 that oils is formed between urceolus 22 and upper snap ring 26, lower connecting cylinder 18, sealing drum 20, lower fluid chamber 34 is formed between oil pocket ring set 24 and upper snap ring 26, sealing drum 20 is provided with the runner 35 that can be communicated with oil sap cavity room 33 and lower fluid chamber 24.Because switching sliding sleeve need slide up and down, reinforced seal well can slide over the sealing in the process moved up and down by protection switch, the filter type of the screen cloth of at least three layers and the fit form of the foraminate screen casing body of band, can effectively ensure to filter the impurity contained in fluid, allow gather fluid in impurity greatly reduce, the setting of grid 16 be in order to when mention upper annular groove 13 or lower annular groove 14 time, be convenient to the radial contraction of switching sliding sleeve lower end, stratum fluid enters lower fluid chamber 34 through the filtration of screen casing 29 by fluid passage 15, the sap cavity room 33 that oils is entered again through runner 35, eventually pass pod apertures 17 to enter in inner chamber of the present invention.
According to actual needs, above-mentioned switching regulator oil recovery water control device can be made further optimization and/or improvements:
As required, at runner 35 internal fixtion, tungsten carbide metering hole is installed.The metering hole being provided with tungsten carbide material in runner 35 for fluid current limliting to prevent bottom water coning,
As shown in accompanying drawing 2,3,4, be installed with between middle connecting cylinder 5 and fixed muffle 8 and mark closely 36, be installed with between the middle connecting cylinder 5 of corresponding outer land 6 and the bottom of top connection 1 and mark closely 36, be installed with between reinforced seal 10 and middle connecting cylinder 5 and mark closely 36, be installed with between the external wall of upper portion of middle connecting cylinder 5 inwall below lower limit land 12 and lower connecting cylinder 18 and mark closely 36.Mark closely 36 fixing can anti-rotation.
As shown in accompanying drawing 2,3,4,5, sealing ring 37 is installed with between the upper inside wall of urceolus 22 and sealing land 21, sealing ring 37 is installed with between fixed muffle 8 lower end and interior land 7 upper end, sealing ring 37 is installed with between the upper inside wall of middle connecting cylinder 5 inwall below lower limit land 12 and lower connecting cylinder 18, sealing ring 37 is installed with, the outer wall of sealing drum 20 and be installed with sealing ring 37 between urceolus 22 between the inwall of sealing drum 20 and lower connecting cylinder 18.
As shown in accompanying drawing 1,2,3, the external wall of upper portion of middle connecting cylinder 5 inwall below lower limit land 12 and lower connecting cylinder 18 is fixedly installed togather by screw thread, lower connecting cylinder 18 outer wall below oil pocket ring set 24 is welded with snap ring 26, the bottom outer wall of upper connecting cylinder 3 is welded with lower snap ring 28.
When pod apertures 17 of the present invention is opened, mentioning on switching sliding sleeve 9 embeds in upper annular groove 13, when pod apertures 17 of the present invention is closed, mentioning on switching sliding sleeve 9 embeds in lower annular groove 14, mention and embed in upper annular groove 13 and lower annular groove 14 to prevent switching sliding sleeve about 9 vibration after pod apertures 17 is opened or after closing, upper limit land 11 prevents switching sliding sleeve 9 upwards undue vibration, lower limit land 12 prevents switching sliding sleeve 9 undue vibration downwards, pod apertures 17 makes fluid enter in oil pipe by upper connecting cylinder 3 inner chamber, switching sliding sleeve 9 slides up and down and plays unlatching, close the effect of pod apertures 17, the lower end of oil pocket ring set 24 is by port compacting outside upper snap ring 26, together with lower fluid chamber 34 is communicated with the sap cavity room 33 that oils by runner 35, screen casing 29 plays the effect of filtering stratum fluid, screen casing body 30 plays the effect supporting filter screen 31, when this practicality carefully the novel end string waterborne that runs into need close this section of extracting device of oil, then enter down switching tools switching sliding sleeve 9 is pressed down to make to mention to embed in lower annular groove 14 and namely realize closing hole.
The use procedure of preferred embodiment: during onsite application, according to each relevant parameter in on-the-spot stratum, type selecting goes out size and the number of corresponding tungsten carbide metering hole, be installed in runner 35, the present invention of the corresponding hop count designed according to on-the-spot hole condition and length being connected with other flow string string is lowered in well, down to design level position, box cupling 38 is installed with in the upper end of upper connecting cylinder 3, when recovering the oil, fluid in stratum enters in lower oil cavitie room 34 through fluid passage 15 after screen casing 29, the sap cavity room 33 that oils is entered again through runner 35, eventually passing pod apertures 17 enters in inner chamber of the present invention, because the butt from oil recovery section is descending to toe-end producing pressure differential, stream pressure is ascending, the pressure of its annular space is balanced by the size and number controlling metering hole, thus prevent bottom water coning, this section of extracting device of oil need be closed when the present invention runs into end string waterborne, then enter down switching tools switching sliding sleeve 9 is pressed down to make to mention to embed in lower annular groove 14 and realize closing hole by itself and oil reservoir packing, water is not allowed to enter, this mode slows down the appearance of bottom water coning further greatly.
Feature of the present invention is: 1, take in independent isolated interval, several the present invention is cascaded, and size and number according to selecting metering hole prevent bottom water coning; 2, the present invention avoids welding to prevent deformable seal to lose efficacy as far as possible; 3, this section of extracting device of oil need be closed when running into end string waterborne, then enter down switching tools and switching sliding sleeve 9 is pressed down hole, realization pass; 4, converting means physical dimension can be carried out according to the oil reservoir situation of oil production division; 5, novel filter sand structure, allows oil residue greatly reduce; 6, structure is simple, reliability is high.
The invention provides a kind of novel oil production water control device, overcome the deficiency of above-mentioned prior art, it can effectively solve in the problem preventing seal failure in control water construction operation of recovering the oil, mode simultaneously by not welding replaceable size makes its construction cost that recovers the oil reduce, take the filtered version of sieve tube type, the oil residue gathered is allowed to greatly reduce, simultaneously, when when certain one deck position is less fuel-displaced, water outlet is serious, by switching sliding sleeve by its packing, do not allow water enter, this mode slows down bottom water coning phenomenon greatly.
Above technical characteristic constitutes most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (9)
1. a switching regulator oil recovery water control device, is characterized in that comprising top connection, upper connecting cylinder, middle connecting cylinder, switching sliding sleeve, lower connecting cylinder, sealing drum and screen casing, the upper inside wall of top connection is provided with installation land, the lower end outer wall of upper connecting cylinder is installed with upper limit ring, erection loop pedestal is on upper limit ring, the upper end of middle connecting cylinder is enclosed within the upper connecting cylinder below upper limit ring, the external wall of upper portion of middle connecting cylinder is provided with outer land, the corresponding middle connecting cylinder of outer land and the bottom of top connection are fixedly installed togather, the middle part inwall of middle connecting cylinder is provided with interior land, in above interior land, connecting cylinder inwall is set with fixed muffle, the internal diameter of interior land, the internal diameter of fixed muffle is consistent with the internal diameter of upper connecting cylinder and match with the external diameter of switching sliding sleeve, in between the lower end and the upper end of fixed muffle of upper connecting cylinder, connecting cylinder inwall is installed with reinforced seal, the upper inside wall of upper connecting cylinder is provided with upper limit land, the lower end inner wall of interior land is provided with lower limit land, the upper inside wall of interior land is provided with annular groove, interior land lower inner wall is provided with lower annular groove, the upper connecting cylinder of switching sliding sleeve between upper limit land and lower limit land, in the ring cavity that fixed muffle and middle connecting cylinder are formed, the bottom outer wall of switching sliding sleeve is provided with mentioning of matching with upper annular groove and lower annular groove, mention and be positioned at annular groove, the switching sliding sleeve that correspondence is mentioned is provided with axial grid, middle connecting cylinder, fixed muffle and switching sliding sleeve there is corresponding radial direction through hole to form pod apertures respectively, middle connecting cylinder inwall below lower limit land and the external wall of upper portion of lower connecting cylinder are fixedly installed togather, lower connecting cylinder outer wall below middle connecting cylinder is installed with lower limit ring, sealing cylinder base is arranged in below connecting cylinder on lower limit ring, the bottom outer wall of outer land is provided with sealing land, in below top connection, connecting cylinder is set with urceolus, the upper inside wall of urceolus fits tightly with sealing land, the lower inner wall of urceolus is provided with the closure gasket groove that internal diameter and sealing drum external diameter match, offset outside the upper surface of closure gasket groove and the upper surface of sealing drum, the lower end outside of sealing drum is integrally fixed with oil pocket ring set, the lower end outer wall of oil pocket ring set is integrally fixed with installation ring set, lower connecting cylinder outer wall below oil pocket ring set is installed with snap ring, the external wall of upper portion of upper snap ring is integrally fixed with the snap ring boss of annular, the lower end of oil pocket ring set and the upper surface of snap ring boss offset, the outer wall of snap ring boss fits tightly with the inwall installing ring set, the inwall of ring set is installed, on being formed between the outer wall of upper snap ring and the lower surface of snap ring boss, annular groove is installed, the bottom outer wall of upper connecting cylinder is installed with lower snap ring, the upper surface of lower snap ring there is the lower installation annular groove corresponding with upper installation annular groove, screen casing comprises screen casing body and screen cloth, screen casing body is evenly equipped with aperture, screen cloth is fixedly mounted on the inwall of screen casing body, the top and bottom of screen cloth are all longer than in the top and bottom of screen casing body, screen pipe sleeve is contained on the lower connecting cylinder outer wall between snap ring and lower snap ring, the top and bottom of screen casing body lay respectively in installation annular groove and lower installation annular groove, the upper snap ring of corresponding screen cloth there is axial fluid passage, middle connecting cylinder, sealing land, the sap cavity room that oils is formed between urceolus and upper snap ring, lower connecting cylinder, sealing drum, lower fluid chamber is formed between oil pocket ring set and upper snap ring, sealing drum is provided with the runner that can be communicated with oil sap cavity room and lower fluid chamber.
2. switching regulator oil recovery water control device according to claim 1, is characterized in that being provided with tungsten carbide metering hole at runner internal fixtion.
3. switching regulator oil recovery water control device according to claim 1 and 2, it is characterized in that being installed with between connecting cylinder and fixed muffle marking closely, be installed with between the middle connecting cylinder of corresponding outer land and the bottom of top connection and mark closely, be installed with between reinforced seal and middle connecting cylinder and mark closely, the middle connecting cylinder inwall below lower limit land and being installed with between the external wall of upper portion of lower connecting cylinder is marked closely.
4. switching regulator oil recovery water control device according to claim 1 and 2, it is characterized in that being installed with sealing ring between the upper inside wall of urceolus and sealing land, sealing ring is installed with between fixed muffle lower end and interior land upper end, sealing ring is installed with between middle connecting cylinder inwall below lower limit land and the upper inside wall of lower connecting cylinder, sealing ring is installed with, the outer wall of sealing drum and be installed with sealing ring between urceolus between the inwall of sealing drum and lower connecting cylinder.
5. switching regulator oil recovery water control device according to claim 3, it is characterized in that being installed with sealing ring between the upper inside wall of urceolus and sealing land, sealing ring is installed with between fixed muffle lower end and interior land upper end, sealing ring is installed with between middle connecting cylinder inwall below lower limit land and the upper inside wall of lower connecting cylinder, sealing ring is installed with, the outer wall of sealing drum and be installed with sealing ring between urceolus between the inwall of sealing drum and lower connecting cylinder.
6. switching regulator oil recovery water control device according to claim 1 and 2, it is characterized in that the external wall of upper portion of middle connecting cylinder inwall below lower limit land and lower connecting cylinder is fixedly installed togather by screw thread, lower connecting cylinder outer wall below oil pocket ring set is welded with snap ring, the bottom outer wall of upper connecting cylinder is welded with lower snap ring.
7. switching regulator oil recovery water control device according to claim 3, it is characterized in that the external wall of upper portion of middle connecting cylinder inwall below lower limit land and lower connecting cylinder is fixedly installed togather by screw thread, lower connecting cylinder outer wall below oil pocket ring set is welded with snap ring, the bottom outer wall of upper connecting cylinder is welded with lower snap ring.
8. switching regulator oil recovery water control device according to claim 4, it is characterized in that the external wall of upper portion of middle connecting cylinder inwall below lower limit land and lower connecting cylinder is fixedly installed togather by screw thread, lower connecting cylinder outer wall below oil pocket ring set is welded with snap ring, the bottom outer wall of upper connecting cylinder is welded with lower snap ring.
9. switching regulator oil recovery water control device according to claim 5, it is characterized in that the external wall of upper portion of middle connecting cylinder inwall below lower limit land and lower connecting cylinder is fixedly installed togather by screw thread, lower connecting cylinder outer wall below oil pocket ring set is welded with snap ring, the bottom outer wall of upper connecting cylinder is welded with lower snap ring.
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| CN201510802968.0A CN105569617B (en) | 2015-11-19 | 2015-11-19 | Switching regulator oil recovery water control device |
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| CN201510802968.0A CN105569617B (en) | 2015-11-19 | 2015-11-19 | Switching regulator oil recovery water control device |
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|---|---|---|---|---|
| CN108397167A (en) * | 2018-03-13 | 2018-08-14 | 中国石油化工股份有限公司 | Switchable type water-control sieve tube |
| CN108397181A (en) * | 2018-04-08 | 2018-08-14 | 中国石油化工股份有限公司 | A kind of pressure break and the Joint Implementation tubing string and method of the aquatic production of control |
| CN108798610A (en) * | 2018-05-29 | 2018-11-13 | 中国海洋石油集团有限公司 | A kind of sleeve type Fillable Water Control Sieve |
| CN111188591A (en) * | 2020-03-20 | 2020-05-22 | 山东普瑞思德石油技术有限公司 | Water control device |
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|---|---|
| CN105569617B (en) | 2018-07-06 |
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