CN206338053U - A kind of gas well can choke valve under the smart well of emergency shutdown - Google Patents
A kind of gas well can choke valve under the smart well of emergency shutdown Download PDFInfo
- Publication number
- CN206338053U CN206338053U CN201621389046.8U CN201621389046U CN206338053U CN 206338053 U CN206338053 U CN 206338053U CN 201621389046 U CN201621389046 U CN 201621389046U CN 206338053 U CN206338053 U CN 206338053U
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- China
- Prior art keywords
- nipple
- pressure
- mover
- emergency shutdown
- stator
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Abstract
The utility model discloses a kind of gas well can choke valve under the smart well of emergency shutdown, including deliver mechanism, downhole choke mechanism, it is characterised in that：The downhole choke mechanism includes seating nipple; the lower end of the seating nipple is connected with lower contact; protection cylinder is connected with the lower end of seating nipple; inner canister is provided with protection cylinder; protect and annular space is provided between cylinder and inner canister; temperature, pressure testing tool and high-temperature electric machine are provided with inner canister; the output shaft of high-temperature electric machine is connected with the mover of flow nipple; the adjustment seat of the flow nipple is installed in lower contact; the fluid passage being connected with the lower end of lower contact in filter sand net, the filter sand net is corresponding with the adjustment hole on the stator of flow nipple.The utility model is by detecting pressure after mouth, the controller controlled motor of temperature, pressure testing tool drives rotating shaft rotation, adjusts the aperture of flow nipple, makes pressure stability after flow nipple in setting range, so as to stablize well head production pressure, it is further provided efficiency of construction.
Description
Technical field
The utility model is related to a kind of gas well can choke valve under the smart well of emergency shutdown.
Background technology
Underground throttle device is gas well steady production, preventing and treating hydrate production, reduces a kind of effective hand of surface construction investment
Section, is widely used in each Gas Fields.Conventional underground throttle device exist in the application following problem 1, well head oil pressure with
Strata pressure is constantly reduced, when not reaching defeated pressure request, it is impossible to automatically adjust mouth footpath, need to play lower tubular column or pulling operation is carried out
Change.2nd, when well head is leaked, and the situation such as abrupt pressure reduction occurs, Downhole Choking Technology can not realize emergency shutdown, ensure gas well
Safety in production.It is therefore desirable to design a kind of adjustable flow nipple and possess the flow controller of emergency shutdown function.
Utility model content
Technical problem to be solved in the utility model is that the deficiency existed for above-mentioned prior art provides a kind of energy
Enough gas wells for automatically adjusting flow nipple aperture according to Production requirement can choke valve under the smart well of emergency shutdown.
The technical scheme that the utility model is used for：A kind of gas well can choke valve under the smart well of emergency shutdown, it is special
Levy and be：Including delivering mechanism, downhole choke mechanism, it is characterised in that：The downhole choke mechanism includes seating nipple, the work
The lower end for making cylinder is connected with lower contact, and protection cylinder is connected with the lower end of seating nipple, and inner canister, the guarantor are provided with protection cylinder
Annular space is provided between casing and inner canister, temperature, pressure testing tool and high-temperature electric machine, the temperature are provided with inner canister
The controller of degree pressure test instrument is used to control high-temperature electric machine, the output shaft of the high-temperature electric machine and the mover phase of flow nipple
Even, the adjustment seat of the flow nipple is installed in lower contact, is connected with the lower end of lower contact in filter sand net, the filter sand net
Fluid passage is corresponding with the adjustment hole on the stator of flow nipple.
By above-mentioned technical proposal, the flow nipple includes the mover being connected with motor output shaft, stator, adjustment seat, regulation
Spring, the mover, stator and spring are installed in adjustment seat successively, and the stator is by adjusting pressure mounting of the spring in adjustment seat
It is interior and corresponding with mover, on stator provided with it is multiple axially through the first inlet opening, passed through on mover provided with multiple axial directions
The second logical inlet opening, the first inlet opening is corresponding with the second inlet opening, under the drive of motor output shaft, the first inlet opening with
Second inlet opening is connected or staggered.
By above-mentioned technical proposal, nipple is connected with the upper end of inner canister, is provided with and annular space phase in nipple
The perforation of connection, the perforation is connected with the internal channel of seating nipple.
By above-mentioned technical proposal, the delivery mechanism includes the delivery bar, fishing head, support set, the branch being sequentially connected
Support set is connected with delivering bar by delivering pin, is externally provided with locking mechanism in support set, the locking mechanism is used for and seating nipple
The neck of interior setting is engaged, the lower end of support set be provided with combination sealing mechanism, for seating nipple seal arrangement.
By above-mentioned technical proposal, the pressure sensor of the pressure test device is connected with annular space.
Operation principle of the present utility model is：Having the beneficial effect that acquired by the utility model：
1st, the utility model is by detecting pressure after mouth, and the controller controlled motor of temperature, pressure testing tool drives rotating shaft
Rotation, adjusts the aperture of flow nipple, makes pressure stability after flow nipple in setting range, so that stable well head production pressure, enters
One step provides efficiency of construction.
2nd, downhole-choke can be automatically adjusted according to bottom hole pressure surge, reduced pulling number of times, also reduced pulling steel wire
Disconnected de- risk.
3rd, when there is well head leakage, when abrupt pressure reduction, urgent block valve close the fortuitous event such as cause well head pressure to be uprushed,
Automatic emergency shut-off can be achieved.After pressure recovers normal, flow nipple is automatically opened up again, is returned to normal production.
If the 4, Production requirement changes, wireless signal, the pressure after remote control and regulation throttling can be sent by well head
Setting value, so as to reach tune production purpose.
5th, throttling control valve stores a temperature, pressure data every 2 hours under smart well, records the work of flow controller
State, can carry out data inversion after flow controller is taken out, be conducive to Production development to analyze.
6th, after throttling control valve takes out under smart well, tubing string full-bore does not influence subsequent construction operation.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model.
Fig. 2 is the structural representation of mover in flow nipple of the present utility model.
Fig. 3 is Fig. 2 A-A sectional views.
Fig. 4 is the structural representation of stator in flow nipple of the present utility model.
Fig. 5 is Fig. 4 B direction views.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As illustrated, present embodiments provide a kind of gas well can choke valve under the smart well of emergency shutdown, including deliver machine
Structure, downhole choke mechanism, the delivery mechanism include the delivery bar 1, fishing head 2, support set 18, the support set being sequentially connected
18 are connected with delivering bar 1 by delivering pin 3, are externally provided with locking mechanism 4 in support set 18, the locking mechanism 4 is used for and work
The neck for making to set in cylinder 6 is engaged, and combination sealing mechanism 5 is provided with the lower end of support set 18, for matching somebody with somebody with the sealing of seating nipple 6
Put.The downhole choke mechanism includes seating nipple 6, protection cylinder 17, and protection cylinder 17 is connected with the lower end of seating nipple 6, described to protect
The lower end of casing 17 is connected with lower contact 14, is provided with inner canister 16 in protection cylinder 17, protection cylinder 17 and the inner canister 16 it
Between be provided with annular space 15.Nipple 25 is connected with the upper end of protection cylinder 17, is provided with and annular space phase in nipple 25
The perforation 26 of connection, the perforation 26 is connected with the internal channel of seating nipple.In inner canister 16 work is tested provided with temperature, pressure
Tool and high-temperature electric machine 10, temperature, pressure testing tool include battery compartment 7, controller 8, pressure sensor 9, thermometer, described
Controller 8 is used to control high-temperature electric machine 10, and pressure sensor is connected with annular space, for testing the ring after flow nipple regulation
Shape space pressure, the output shaft of the high-temperature electric machine 10 is connected with the mover of flow nipple 12, the adjustment seat peace of the flow nipple 12
It is located in lower contact 14, the fluid passage being connected with the lower end of lower contact 14 in filter sand net 13, the filter sand net 13 and throttling
Adjustment hole on the stator of mouth is corresponding.
In the present embodiment, the flow nipple includes mover 19, stator 20, adjustment seat 22, regulation spring 21, the mover
19th, stator 20 and spring 21 are installed in adjustment seat 22 successively, and the mover 19 is connected with the output shaft of high-temperature electric machine 10, described fixed
Son 20 is fitted in adjustment seat 22 by spring 21, and corresponding with mover 19, on stator provided with it is multiple axially through the
One inlet opening 23, on mover provided with it is multiple axially through the second inlet opening 24, the first inlet opening 23 and the second inlet opening 24
Corresponding, under the drive of motor output shaft 10, the first inlet opening 23 is connected or staggered with the second inlet opening 24.
During work, seating nipple 6 of the present utility model is connected with flow string, to after design attitude under tubing string, passes through electricity
Cable or the intelligent underground throttle device of steel wire connection deliver bar 1, at 5~10m/min rate discharge to seating nipple 6, then above carry
5m above mechanism to seating nipple is delivered, tool string is transferred again, quickly lower jarring, which is cut, delivers shear pin 3, completes throttling control valve
Seat is put.Slow to carry steel wire, observation refers to restatement, when steel wire suspending weight declines, shows that delivering shear pin 3 has cut, success of giving up, combination sealing
The seal operation cylinder of mechanism 56, is stuck in seating nipple 6 while sitting mechanism for card 4 and sitting.
During production, gas passes through the filter sand net 13 of throttling control valve bottom under smart well to enter, and is carried out at flow nipple 12
Reducing pressure by regulating flow, gas after throttling enters circular passage 15, through circular passage after pass through perforation 26 and enter main flow circulation passages.This
When gas pass through whole smart well under throttling control valve, realize reducing pressure by regulating flow production.
When needing to take out constantly, by entering Special fishing tool under cable or steel wire, fishing tool salvages fishing head 2
Afterwards, upper belt is up to fishing head 2 and support set 18, sits mechanism for card 4 and loses support, in unfreezing state, overcomes combination sealing
Mechanism 5 in continuation with after the frictional force of seating nipple, carrying and can be taken off throttling control valve under smart well.
Claims (5)
1. a kind of gas well can choke valve under the smart well of emergency shutdown, it is characterised in that：Including delivering mechanism, downhole choke machine
Structure, it is characterised in that：The downhole choke mechanism includes seating nipple, and the lower end of the seating nipple is connected with lower contact, in work
The lower end of cylinder is connected with protection cylinder, and inner canister is provided with protection cylinder, annular space is provided between the protection cylinder and inner canister,
Temperature, pressure testing tool and high-temperature electric machine are provided with inner canister, the controller of the temperature, pressure testing tool is used to control
High-temperature electric machine, the output shaft of the high-temperature electric machine is connected with the mover of flow nipple, and the adjustment seat of the flow nipple, which is installed in down, to be connect
In head, the regulation on the fluid passage being connected with the lower end of lower contact in filter sand net, the filter sand net and the stator of flow nipple
Hole is corresponding.
2. gas well according to claim 1 can choke valve under the smart well of emergency shutdown, it is characterised in that：The flow nipple
Including the mover being connected with motor output shaft, stator, adjustment seat, regulation spring, the mover, stator and spring are installed in successively
In adjustment seat, the stator is and corresponding with mover by adjusting pressure mounting of the spring in adjustment seat, and multiple axles are provided with stator
To the first inlet opening of insertion, on mover provided with it is multiple axially through the second inlet opening, the first inlet opening and the second feed liquor
Hole is corresponding, under the drive of motor output shaft, and the first inlet opening is connected or staggered with the second inlet opening.
3. gas well according to claim 1 or 2 can choke valve under the smart well of emergency shutdown, it is characterised in that：In inner core
The upper end of cylinder is connected with nipple, provided with the perforation that is connected with annular space in nipple, the perforation and seating nipple
Internal channel is connected.
4. gas well according to claim 1 or 2 can choke valve under the smart well of emergency shutdown, it is characterised in that：It is described to throw
Sending mechanism includes the delivery bar, fishing head, support set being sequentially connected, and the support set is connected with delivering bar by delivering pin,
Locking mechanism is externally provided with support set, the locking mechanism is used to be engaged with the neck set in seating nipple, in support set
Lower end be provided with combination sealing mechanism, for seating nipple seal arrangement.
5. gas well according to claim 1 or 2 can choke valve under the smart well of emergency shutdown, it is characterised in that：The pressure
The pressure sensor of force test device is connected with annular space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389046.8U CN206338053U (en) | 2016-12-16 | 2016-12-16 | A kind of gas well can choke valve under the smart well of emergency shutdown |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389046.8U CN206338053U (en) | 2016-12-16 | 2016-12-16 | A kind of gas well can choke valve under the smart well of emergency shutdown |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338053U true CN206338053U (en) | 2017-07-18 |
Family
ID=59301907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621389046.8U Withdrawn - After Issue CN206338053U (en) | 2016-12-16 | 2016-12-16 | A kind of gas well can choke valve under the smart well of emergency shutdown |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338053U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761553A (en) * | 2016-12-16 | 2017-05-31 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | A kind of gas well can choke valve under the smart well of emergency shutdown |
| CN110469298A (en) * | 2019-09-19 | 2019-11-19 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | A kind of cage shell type underground throttle device based on wireless control |
| CN110500066A (en) * | 2019-09-19 | 2019-11-26 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | A kind of underground throttle device based on wireless control |
-
2016
- 2016-12-16 CN CN201621389046.8U patent/CN206338053U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761553A (en) * | 2016-12-16 | 2017-05-31 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | A kind of gas well can choke valve under the smart well of emergency shutdown |
| CN110469298A (en) * | 2019-09-19 | 2019-11-19 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | A kind of cage shell type underground throttle device based on wireless control |
| CN110500066A (en) * | 2019-09-19 | 2019-11-26 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | A kind of underground throttle device based on wireless control |
| CN110469298B (en) * | 2019-09-19 | 2020-03-27 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Cage sleeve type underground throttle based on wireless control |
| CN110500066B (en) * | 2019-09-19 | 2020-06-16 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Underground throttle based on wireless control |
| WO2021052301A1 (en) * | 2019-09-19 | 2021-03-25 | 中国石油天然气股份有限公司 | Downhole throttling device based on wireless control |
| US11946349B2 (en) | 2019-09-19 | 2024-04-02 | Petrochina Company Limited | Downhole throttling device based on wireless control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191209 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: PETROLEUM ENGINEERING TECHNOLOGY Research Institute OF HANJIANG OIL FIELD BRANCH SINOPEC Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Address before: 430035 Hubei city of Wuhan province Gutian two Road No. 37 HSBC Nanniwan Avenue headquarters block fifth B Patentee before: PETROLEUM ENGINEERING TECHNOLOGY Research Institute OF HANJIANG OIL FIELD BRANCH SINOPEC |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170718 Effective date of abandoning: 20230407 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170718 Effective date of abandoning: 20230407 |