CN204327054U - The stepless flow control device of hydraulic intelligent - Google Patents
The stepless flow control device of hydraulic intelligent Download PDFInfo
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- CN204327054U CN204327054U CN201420746943.4U CN201420746943U CN204327054U CN 204327054 U CN204327054 U CN 204327054U CN 201420746943 U CN201420746943 U CN 201420746943U CN 204327054 U CN204327054 U CN 204327054U
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- main shaft
- control device
- flow control
- transmission axle
- main axis
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Abstract
The utility model discloses the stepless flow control device of a kind of hydraulic intelligent, it comprises: upper main shaft, lower main axis, pressure transfering appts and throttling valve pocket, this lower main axis upper end is connected with upper main shaft lower end, this throttling valve pocket is enclosed within the inwall of this lower main axis, on this, main shaft and lower main axis and throttling valve pocket inside form fluid course, the bottom of this lower main axis is provided with multiple outflow metering-orifice, this choke valve is arranged with the multiple interior metering orifice of corresponding outflow metering-orifice, and this pressure transfering appts is located in this cavity and also can be moved up and down to adjust hydraulic fluid flow rate size.The stepless flow control device of hydraulic intelligent of the present utility model adopts hydraulic control mode, can realize intelligence and opens and close flow-control and adjust flux size.
Description
Technical field
The utility model, about flow control device in a kind of petroleum works field, refers to the stepless flow control device of hydraulic intelligent that a kind of downhole flow for smart well controls especially.
Background technology
In oil recovery process after straight well intelligent well completion, flow control device is mainly used in closing, opening or regulate one or more reservoir, or for adjusting the pressure, rate of flow of fluid etc. between reservoir, in the intelligent well completion of horizontal well, this flow control device available realizes the equilibrium producing of horizontal segment.Existing flow control device has mechanical type and electric-controlled type, and mechanical flow regulation device adopts mechanical tracks, can not realize the adjustment of flow, can only realize the control of switch; Electric-controlled type flow control device can realize the stepless control of flow, but electric elements are under Oil/gas Well operating mode, there is life-span short, the problem such as fault rate is high.
Utility model content
In view of this, main purpose of the present utility model is to provide the stepless Flow-rate adjustment of the multiple producing zone in a kind of remote controlled down-hole and the stepless flow control device of the hydraulic intelligent of repeat switch.
For achieving the above object, the utility model provides a kind of hydraulic intelligent stepless flow control device, it comprises: upper main shaft, lower main axis, pressure transfering appts and throttling valve pocket, this lower main axis upper end is connected with upper main shaft lower end, this throttling valve pocket is enclosed within the inwall of this lower main axis, on this, main shaft and lower main axis and throttling valve pocket inside form fluid course, the bottom of this lower main axis is provided with multiple outflow metering-orifice, this choke valve is arranged with the multiple interior metering orifice of corresponding outflow metering-orifice, and this pressure transfering appts is located in this fluid course and also can be moved up and down to adjust hydraulic fluid flow rate size.
Described pressure transfering appts comprises the promotion joint, pressure transmission axle, locking device, jointing and the sliding sleeve that connect successively, the inner upper end of this promotion jiont treatment main shaft on described.
Described promotion joint bottom described pressure transmission axle and described on be provided with upper seal separately and middle part seal between main shaft inwall, this upper seal top contacts with described promotion joint, the bottom of this upper seal is provided with the regulation and control ring being enclosed within described pressure transmission axle outer wall, and in the middle part of this, the top of seal is provided with the adjustable ring being enclosed within described pressure transmission axle outer wall.
The inwall upper end of described upper main shaft is provided with multiple cannelure, the barrel of described upper main shaft is provided with blanked-off pipe line interface and tube used for bottom pouring line interface, the centerline parallel of this blanked-off pipe line interface and tube used for bottom pouring line interface, the bottom through different cannelure respectively of this blanked-off pipe line interface and tube used for bottom pouring line interface, when described pressure transfering appts moves up and down, described regulation and control ring is contained in different cannelures.
Described pressure transmission axle bottom is provided with boss face, between described pressure transmission axle lower end outer wall and described upper main shaft inwall, lower seal is housed, this lower seal contacts with the boss face of described pressure transmission axle, and described pressure transmission axle exterior circumferential cover has and is positioned at this lower seal top for fixing the spacing ring of this lower seal.
Described sliding sleeve lower end is between described throttling valve pocket and the inwall of described lower main axis, and described sliding sleeve opens or closes described outflow metering-orifice and interior metering orifice.
Described locking device comprises reseting sleeve, slip cap, hang cover and lock dog, this suspension cover inwall is provided with boss, the lock dog hole for accommodating described lock dog is provided with at this boss place, it is inner that this reseting sleeve is inserted in the suspension cover being provided with lock dog, this slip cap lower end is provided with boss face, this slip cap is inserted in this reseting sleeve and hangs the inside of cover, this slip cap is portable, this boss face is supported below the boss of this suspension cover inwall, the lock dog groove corresponding with described lock dog is provided with in the middle part of described upper main shaft inwall, described pressure transmission axle is connected with described slip cap, described suspension cover is connected with described jointing.
Described upper main shaft lower end inner wall cover has lower seals, and this lower seals is fixed by positioning joint, and this positioning joint upper end and described upper main shaft lower end are threaded connection.
Each described cannelure reduces from bottom to top successively.
Described upper main shaft upper end is provided with and is located joint, and this inside being located joint is provided with the locating slot for coordinating blanking plug; The lower end of described lower main axis is connected with lower contact.
The stepless flow control device of hydraulic intelligent of the present utility model adopts hydraulic control mode, and thrust is large, can adapt to down-hole complex working condition; Devise pass locking when device is closed and put in place, avoid opening misoperation in down-hole pressure change procedure, and intelligence can be realized open and close flow-control and adjust flux size.
Accompanying drawing explanation
Fig. 1 is the structural representation of the stepless flow control device closed condition of the utility model hydraulic intelligent;
Fig. 2 is the structural representation of the stepless flow control device open mode of the utility model hydraulic intelligent;
Fig. 3 is A enlarged diagram in Fig. 1;
Fig. 4 is the close-up schematic view of locking device B of the present utility model in Fig. 1.
Detailed description of the invention
For ease of having further understanding to structure of the present utility model and effect, the existing preferred embodiment that develops simultaneously by reference to the accompanying drawings is described as follows.
As shown in Figures 1 and 2, the stepless flow control device of hydraulic intelligent of the present utility model, comprise: upper main shaft 1, lower main axis 2, pressure transfering appts and throttling valve pocket 13, on this, main shaft 1 lower end is provided with external screw thread, the upper end of lower main axis 2 is provided with internal thread, lower main axis 2 upper end and upper main shaft 1 lower end are threaded connection, this throttling valve pocket 13 is enclosed within the inwall of lower main axis 2, on this, main shaft 1 forms fluid course 30 with lower main axis 2 and throttling valve pocket 13 inside, the bottom of this lower main axis 2 is provided with multiple outflow metering-orifice 24, throttling valve pocket 13 is provided with the multiple interior metering orifice 25 of corresponding outflow metering-orifice 24, this pressure transfering appts is located in this fluid course 30 and also can be moved up and down to adjust hydraulic fluid flow rate size.
This pressure transfering appts comprises promotion joint 5, pressure transmission axle 6, locking device, jointing 10 and sliding sleeve 12,
This promotion joint 5 is arranged on the inner upper end of main shaft 1, the lower end promoting joint 5 is provided with internal thread, the upper end of pressure transmission axle 6 is provided with external screw thread, promote joint 5 to be threaded connection with pressure transmission axle 6, this pressure transmission axle 6 is threaded connection with locking device, and this locking device and jointing 10 are threaded connection, and the lower end of this jointing 10 is provided with internal thread, the upper end of sliding sleeve 12 is provided with external screw thread, and jointing 10 and sliding sleeve 12 are threaded connection.Between pressure transmission axle 6 and upper main shaft 1 inwall, upper seal 14 separately and middle part seal 17 is provided with in promotion joint 5 bottom, upper seal 14 contacts with promotion joint 5, regulation and control ring 15 and adjustable ring 16 are nested into the inwall of main shaft 1 successively, wherein regulate and control the bottom that ring 15 is positioned at upper seal 14, adjustable ring 16 is positioned at the top of middle part seal 17.Pressure transmission axle 6 bottom is provided with boss face, between the outside lower end of pressure transmission axle 6 and upper main shaft 1, lower seal 19 is housed, this lower seal 19 contacts with the boss face of pressure transmission axle 6, this pressure transmission axle 6 exterior circumferential cover has the spacing ring 18 being positioned at lower seal 19 top, and this spacing ring 18 is for fixing lower seal 19.The barrel of upper main shaft 1 is provided with blanked-off pipe line interface 23 and tube used for bottom pouring line interface 22, the centerline parallel of blanked-off pipe line interface 23 and tube used for bottom pouring line interface 22, upper main shaft 1 inwall upper end is provided with multiple cannelure 31(as shown in Figure 3), the bottom through different cannelure respectively of blanked-off pipe line interface 23 and tube used for bottom pouring line interface 22.This sliding sleeve 12 lower end is between choke valve cover 13 and lower main axis 2, and when the stepless flow control device of closedown hydraulic intelligent, sliding sleeve 12 lower end is used for being blocked between outflow metering-orifice 24 and interior metering orifice 25.
As shown in Figure 4, locking device in the utility model comprises reseting sleeve 7, slip cap 8, hangs cover 9 and lock dog 20, this suspension is overlapped 9 inwalls and is provided with boss, be provided with four square lock dog holes 90 at boss place, for accommodating lock dog 20, it is inner that reseting sleeve 7 is inserted in the suspension cover 9 being provided with lock dog 20, the inwall of lock dog 20 contacts with slip cap 8 outer wall, slip cap 8 lower end is provided with boss face, and slip cap 8 is inserted in reseting sleeve 7 and hangs the inside of cover 9, forms locking device.The lock dog groove 32 corresponding with lock dog 20 is provided with in the middle part of upper main shaft 1 inwall, when the stepless flow control device of closedown hydraulic intelligent, lock dog 20 is positioned at lock dog groove 32, when slip cap 8 moves up, the boss face of slip cap 8, support and drive suspension cover 9 to move up below the boss of suspension cover 9, lock dog 20 enters in the lock dog hole 90 of suspension cover 9 simultaneously, and this suspension overlaps 9 and the reseting sleeve 7 of drive top moves up.The pressure transmission axle 6 be connected with locking device is nested into upper main shaft 1 inwall, the lower end of pressure transmission axle 6 is provided with internal thread, the upper end of slip cap 8 is provided with external screw thread, pressure transmission axle 6 and slip cap 8 are threaded connection, the lower end hanging cover 9 is provided with internal thread, the upper end of jointing 10 is provided with external screw thread, hangs cover 9 and is threaded connection with jointing 10.
Described upper main shaft 1 lower end inner wall cover has lower seals 21, and by positioning joint 11 stationary bottom-seal part 21, positioning joint 11 upper end is provided with screw thread, and positioning joint 11 upper end is connected with the internal thread of upper main shaft 1 lower end.
Upper main shaft 1 upper end in the utility model is provided with and is located joint 3, the upper end of upper main shaft 1 is provided with internal thread, be located joint 3 lower end and be provided with external screw thread, upper main shaft 1 be located joint 3 and be threaded connection, the inside being located joint 3 is provided with locating slot, matches for positive closing fluid course 30 with blanking plug.
The lower end of lower main axis 2 is connected with lower contact 4, and the lower end of lower main axis 2 is provided with internal thread, and the upper end of lower contact 4 is provided with external screw thread, and lower main axis 2 and lower contact 4 are threaded connection.
Operating principle of the present utility model is:
As shown in Figure 1: when needing the oil reservoir opening the stepless flow control device place of hydraulic intelligent to produce, hydraulic oil is by the tube used for bottom pouring line interface 22 in the stepless flow control device of hydraulic intelligent, be passed to after in the annular space between upper seal 14 and middle part seal 17, pressure transmission axle 6 moves up, and drive upper seal 14, regulation and control ring 15 and promotion joint 5 move up.Drive slip cap 8 and reseting sleeve 7 to move up simultaneously.Lock dog 20 moves to and hangs the same outer wall of cover 9 (namely lock dog 20 enters lock dog hole 90).Now hang cover 9 to move up with sliding sleeve 12, after the outflow metering-orifice 24 of unlatching lower main axis 2 and the interior metering orifice 25(of throttling valve pocket 13 open as shown in Figure 2).When needing the flow regulating underground hydraulic pressure intelligent stepless flow control device, entering the cannelure 31 in main shaft 1 when regulation and control ring 15 moves up, showing numerical value by pressure signal, the uninterrupted of identifiable design setting.Multiple cannelures 31 that upper main shaft 1 is provided with, size reduces successively from bottom to top, and regulation and control ring 15 moves up and enters cannelure 31 successively, and pressure signal increases successively, and turn-on flow rate increases successively.
When needing the oil reservoir of closing the stepless flow control device place of hydraulic intelligent to produce, hydraulic oil is by the blanked-off pipe line interface 23 in the stepless flow control device of hydraulic intelligent, be passed to after in the annular space between middle part seal 17 and lower seal 19, pressure transmission axle 6 moves down, and drive upper seal 14, regulation and control ring 15 and promotion joint 5 move down.Drive slip cap 8 and reseting sleeve 7 to move down simultaneously, hang cover 9 and move down with sliding sleeve 12, close lower main axis 2 outflow metering-orifice 24 close with the interior metering orifice 25(of throttling valve pocket 13 after as shown in Figure 1).When needing the flow regulating underground hydraulic pressure intelligent stepless flow control device, entering the cannelure 31 in main shaft 1 when regulation and control ring 15 moves down, showing numerical value by pressure signal, the uninterrupted of identifiable design setting.Regulation and control ring 15 moves down and enters cannelure 31, and pressure signal reduces successively, closes flow and reduces successively.When reseting sleeve 7 lock dog 20 moves in the lock dog groove 32 established in upper main shaft 1, the stepless flow control device of hydraulic intelligent is closed completely.
When fluid power close regulation device lost efficacy time, blanking plug can be entered down and to match with the locating slot being located joint 3 positive closing fluid course.
Relative to prior art, the stepless flow control device of hydraulic intelligent of the present utility model adopts hydraulic control mode, and thrust is large, can adapt to down-hole complex working condition; Devise pass locking when device is closed and put in place, avoid opening misoperation in down-hole pressure change procedure; Intelligence can be realized open and close flow-control and adjust flux size; Reserve and be located joint, in emergency circumstances, blanking plug can be entered down, force filling to be closed.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection domain of the present utility model.
Claims (10)
1. the stepless flow control device of hydraulic intelligent, it is characterized in that, it comprises: upper main shaft, lower main axis, pressure transfering appts and throttling valve pocket, this lower main axis upper end is connected with upper main shaft lower end, this throttling valve pocket is enclosed within the inwall of this lower main axis, on this, main shaft and lower main axis and throttling valve pocket inside form fluid course, the bottom of this lower main axis is provided with multiple outflow metering-orifice, this choke valve is arranged with the multiple interior metering orifice of corresponding outflow metering-orifice, and this pressure transfering appts is located in this fluid course and also can be moved up and down to adjust hydraulic fluid flow rate size.
2. the stepless flow control device of hydraulic intelligent as claimed in claim 1, it is characterized in that, described pressure transfering appts comprises the promotion joint, pressure transmission axle, locking device, jointing and the sliding sleeve that connect successively, the inner upper end of this promotion jiont treatment main shaft on described.
3. the stepless flow control device of hydraulic intelligent as claimed in claim 2, it is characterized in that, described promotion joint bottom described pressure transmission axle and described on be provided with upper seal separately and middle part seal between main shaft inwall, this upper seal top contacts with described promotion joint, the bottom of this upper seal is provided with the regulation and control ring being enclosed within described pressure transmission axle outer wall, and in the middle part of this, the top of seal is provided with the adjustable ring being enclosed within described pressure transmission axle outer wall.
4. the stepless flow control device of hydraulic intelligent as claimed in claim 3, it is characterized in that, the inwall upper end of described upper main shaft is provided with multiple cannelure, the barrel of described upper main shaft is provided with blanked-off pipe line interface and tube used for bottom pouring line interface, the centerline parallel of this blanked-off pipe line interface and tube used for bottom pouring line interface, the bottom through different cannelure respectively of this blanked-off pipe line interface and tube used for bottom pouring line interface, when described pressure transfering appts moves up and down, described regulation and control ring is contained in different cannelures.
5. the stepless flow control device of hydraulic intelligent as claimed in claim 3, it is characterized in that, described pressure transmission axle bottom is provided with boss face, between described pressure transmission axle lower end outer wall and described upper main shaft inwall, lower seal is housed, this lower seal contacts with the boss face of described pressure transmission axle, and described pressure transmission axle exterior circumferential cover has and is positioned at this lower seal top for fixing the spacing ring of this lower seal.
6. the stepless flow control device of hydraulic intelligent as claimed in claim 2, it is characterized in that, described sliding sleeve lower end is between described throttling valve pocket and the inwall of described lower main axis, and described sliding sleeve opens or closes described outflow metering-orifice and interior metering orifice.
7. the stepless flow control device of hydraulic intelligent as claimed in claim 2, it is characterized in that, described locking device comprises reseting sleeve, slip cap, hang cover and lock dog, this suspension cover inwall is provided with boss, the lock dog hole for accommodating described lock dog is provided with at this boss place, it is inner that this reseting sleeve is inserted in the suspension cover being provided with lock dog, this slip cap lower end is provided with boss face, this slip cap is inserted in this reseting sleeve and hangs the inside of cover, this slip cap is portable, this boss face is supported below the boss of this suspension cover inwall, the lock dog groove corresponding with described lock dog is provided with in the middle part of described upper main shaft inwall, described pressure transmission axle is connected with described slip cap, described suspension cover is connected with described jointing.
8. the stepless flow control device of hydraulic intelligent as claimed in claim 5, it is characterized in that, described upper main shaft lower end inner wall cover has lower seals, and this lower seals is fixed by positioning joint, and this positioning joint upper end and described upper main shaft lower end are threaded connection.
9. the stepless flow control device of hydraulic intelligent as claimed in claim 4, it is characterized in that, each described cannelure reduces from bottom to top successively.
10. the stepless flow control device of hydraulic intelligent as claimed in claim 1, it is characterized in that, described upper main shaft upper end is provided with and is located joint, and this inside being located joint is provided with the locating slot for coordinating blanking plug; The lower end of described lower main axis is connected with lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746943.4U CN204327054U (en) | 2014-12-03 | 2014-12-03 | The stepless flow control device of hydraulic intelligent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746943.4U CN204327054U (en) | 2014-12-03 | 2014-12-03 | The stepless flow control device of hydraulic intelligent |
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| Publication Number | Publication Date |
|---|---|
| CN204327054U true CN204327054U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420746943.4U Withdrawn - After Issue CN204327054U (en) | 2014-12-03 | 2014-12-03 | The stepless flow control device of hydraulic intelligent |
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| Country | Link |
|---|---|
| CN (1) | CN204327054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405347A (en) * | 2014-12-03 | 2015-03-11 | 东营市福利德石油科技开发有限责任公司 | Intelligent hydraulic stepless flow regulating and controlling device |
| CN105422050A (en) * | 2015-12-11 | 2016-03-23 | 北京大业嘉成科技有限公司 | Downhole autonomous power supply oil saturation control intelligent flow control flow string |
-
2014
- 2014-12-03 CN CN201420746943.4U patent/CN204327054U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405347A (en) * | 2014-12-03 | 2015-03-11 | 东营市福利德石油科技开发有限责任公司 | Intelligent hydraulic stepless flow regulating and controlling device |
| CN105422050A (en) * | 2015-12-11 | 2016-03-23 | 北京大业嘉成科技有限公司 | Downhole autonomous power supply oil saturation control intelligent flow control flow string |
| CN105422050B (en) * | 2015-12-11 | 2017-11-28 | 北京大业嘉成科技有限公司 | The self-powered oil saturation in underground controls intelligent flow control flow string |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20170620 |
|
| AV01 | Patent right actively abandoned |