CN202000978U - Parallel channel type flow controller for water cone control - Google Patents
Parallel channel type flow controller for water cone control Download PDFInfo
- Publication number
- CN202000978U CN202000978U CN2011200644532U CN201120064453U CN202000978U CN 202000978 U CN202000978 U CN 202000978U CN 2011200644532 U CN2011200644532 U CN 2011200644532U CN 201120064453 U CN201120064453 U CN 201120064453U CN 202000978 U CN202000978 U CN 202000978U
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- China
- Prior art keywords
- flow controller
- control valve
- flow control
- water cone
- road
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Abstract
The utility model discloses a parallel channel type flow controller for water cone control, which comprises a main fluid channel and one to multiple small throttling channels distributed on the outer circumference of the main fluid channel parallelly. A thread used for mounting a throttle nozzle or plug is arranged at the inner end of each of the small throttling channels, and threads arranged both ends of the flow controller are connected with oil tubes of a horizontal well water cone control string. Distribution density of the flow controller can be increased, flow born on each flow controller can be kept at a lower value, formation fluid supply is uniform, sharp change of hydraulic parameters of the flow controller, which are caused by pit-saw water cone and high-speed erosion can be prevented, and cost input for the horizontal well water cone control technology can be reduced.
Description
Technical field
The utility model relates to a kind of flow control valve, relates in particular to the parallel duct formula flow control valve of a kind of water awl control.
Background technology
At present, in oilfield exploitation procedure, the stratum feed flow flow control valve of horizontal well is that the mode that combines with sand control screen is used mostly, at the center of sand screen tubing string tubing string, in open hole well that does not need sand control and cased well, in the mode of nozzle control.The flow resistance of nozzle is little, and is very narrow to the control range of flow, bad adaptability.
And the horizontal section length of horizontal well does not wait from more than 100 meters to more than 1000 meters, normally about 500 meters, because the existence of pipe flow resistance, will make the skewness of net horizontal section stratum liquid supply rate, cause producing pressure differential there are differences, thereby water-coning phenomena occurs too early; Water awl is in case occur, and the moisture of oil well will fast rise, will have a strong impact on the production of oil well like this, influences the final economic benefit and the Oilfield developing benefit of individual well simultaneously.
The utility model content
The purpose of this utility model provides the parallel duct formula flow control valve of the water awl control that a kind of control range to flow is wide, compliance is good.
The purpose of this utility model is achieved through the following technical solutions:
The parallel duct formula flow control valve of water awl of the present utility model control comprises fluid main aperture road, the parallel one or more throttling pore road that is distributed with of the periphery in described fluid main aperture road, and the inner, described throttling pore road is equipped with throttle nozzle.
By the above-mentioned technical scheme that provides as can be seen, the parallel duct formula flow control valve of water awl described in the utility model control, be distributed with one to a plurality of throttling pore road because main aperture road excircle is parallel, there is screw thread the inner in throttling pore road, be used to install throttle nozzle, the bore of the inner nozzle of installing in the aperture by the throttling pore road, quantity and aperture road or blind hole realize the control to flow resistance.By this parallel duct formula flow control valve, just can realize the accurate control on a large scale of fluid flow dynamic resistance, solve the technical bottleneck of horizontal well water awl control, the distribution density of flow control valve is increased greatly, the flow that each flow control valve is born keeps lower numerical value, prevent the high speed erosion and the hydraulic parameters of very fast change flow control valve, and can reduce the implementation cost of horizontal well water awl control technology aspect significantly.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the parallel duct formula flow control valve of the utility model water that embodiment provides awl control;
Fig. 2 is the A-A cross section structure schematic diagram of Fig. 1;
Fig. 3 is the B portion structure for amplifying schematic diagram of Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills belong to protection domain of the present utility model not making the every other embodiment that is obtained under the creative work prerequisite.
The parallel duct formula flow control valve of water awl of the present utility model control, its preferable specific embodiment is:
Comprise fluid main aperture road, the parallel one or more throttling pore road that is distributed with of the periphery in described fluid main aperture road, the inner, described throttling pore road is equipped with throttle nozzle.
Described throttle nozzle is provided with through hole or blind hole (plug).
Described throttle nozzle and described throttling pore road can threaded engagement.
These flow control valve two ends are respectively equipped with screw thread, and are connected with the oil pipe of horizontal well water awl control tubing string respectively, and in the screw thread at two ends, an end is an internal thread, and the other end is an external screw thread.
The parallel duct formula flow control valve of the water awl control that the utility model embodiment provides, be used for the feed flow flow-control of oil gas field horizontal well stratum, can overcome in the horizontal well manufacturing process, the horizontal well stratum liquid supply rate problem pockety that exists, increase the distribution density of flow control valve greatly, the flow that each flow control valve is born keeps lower numerical value, prevent the high speed erosion and the hydraulic parameters of very fast change flow control valve, thereby prevent the too early appearance of water-coning phenomena, thereby anti-sealing awl influences the production of oil gas well, and can reduce the cost of horizontal well water awl control technology aspect significantly;
Flow control valve has a fluid main aperture road to arrive a plurality of throttling pore road with parallel of being distributed in main aperture road excircle, there is screw thread the inner in throttling pore road, be used to install throttle nozzle and plug, nozzle is used for the flow resistance of regulated fluid, and the unnecessary little duct of plug shutoff also can be installed;
There is screw thread at the two ends of parallel duct formula flow control valve, can directly be connected with the oil pipe that the horizontal well water awl at two ends is controlled tubing string respectively, also can be connected with the oil pipe at two ends respectively by becoming the snapping head;
Parallel duct formula flow control valve is by the aperture in throttling pore road, and inner nozzle of installing in the quantity in throttling pore road and aperture road and plug are realized the control to flow resistance.
For better describing the utility model embodiment, now in conjunction with the accompanying drawings the specific embodiment of the present utility model is described:
As Fig. 1, Fig. 2, shown in Figure 3, the structural representation of parallel duct formula flow control valve is provided for the utility model embodiment, comprise: the internal thread 4 of fluid main aperture road 1, throttling pore road 2, the external screw thread 3 of parallel duct formula flow control valve one end, the parallel duct formula flow control valve other end, wherein:
2 the inners, throttling pore road of parallel duct formula flow control valve are provided with internal thread 6, and this internal thread 6 is used to install throttle nozzle 5, and when needing shutoff throttling pore road 2, throttle nozzle 5 adopts the plug mode;
Parallel duct formula flow control valve according to the technical requirements of flow-control, is set corresponding hydraulic parameters to the flow control valve of ad-hoc location in install operation process, should note the contraposition installation, avoids at the urgent clasp forceps in position, throttling pore road.In addition, in the specific implementation process, the installation of parallel duct formula flow control valve is to be connected in the horizontal well water awl control tubing string by oil pipe, parallel duct formula flow control valve can directly be connected respectively with oil pipe, also can be connected with the oil pipe at two ends respectively when needing, to finish the enforcement operation by becoming the snapping head.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (4)
1. the parallel duct formula flow control valve of water awl control comprises fluid main aperture road, it is characterized in that, and the parallel one or more throttling pore road that is distributed with of the periphery in described fluid main aperture road, the inner, described throttling pore road is equipped with throttle nozzle.
2. the parallel duct formula flow control valve of water awl according to claim 1 control is characterized in that described throttle nozzle is provided with through hole or blind hole.
3. the parallel duct formula flow control valve of water awl according to claim 2 control is characterized in that described throttle nozzle and described throttling pore road threaded engagement.
4. according to the parallel duct formula flow control valve of each described water awl control of claim 1 to 3, it is characterized in that these flow control valve two ends are respectively equipped with screw thread, and be connected with the oil pipe of horizontal well water awl control tubing string respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200644532U CN202000978U (en) | 2011-03-11 | 2011-03-11 | Parallel channel type flow controller for water cone control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200644532U CN202000978U (en) | 2011-03-11 | 2011-03-11 | Parallel channel type flow controller for water cone control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202000978U true CN202000978U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200644532U Expired - Fee Related CN202000978U (en) | 2011-03-11 | 2011-03-11 | Parallel channel type flow controller for water cone control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202000978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155203A (en) * | 2011-03-11 | 2011-08-17 | 石云夫 | Water cone controlled parallel canal type flow controller |
| CN103726814A (en) * | 2014-01-07 | 2014-04-16 | 东北石油大学 | Automatic flow adjusting spray pipe type inflow control device |
-
2011
- 2011-03-11 CN CN2011200644532U patent/CN202000978U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155203A (en) * | 2011-03-11 | 2011-08-17 | 石云夫 | Water cone controlled parallel canal type flow controller |
| CN103726814A (en) * | 2014-01-07 | 2014-04-16 | 东北石油大学 | Automatic flow adjusting spray pipe type inflow control device |
| CN103726814B (en) * | 2014-01-07 | 2016-01-20 | 东北石油大学 | A kind of from flow-regulating type nozzle type inflow control 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: 20111005 Termination date: 20140311 |