CN106761553A - 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
- CN106761553A CN106761553A CN201611170520.2A CN201611170520A CN106761553A CN 106761553 A CN106761553 A CN 106761553A CN 201611170520 A CN201611170520 A CN 201611170520A CN 106761553 A CN106761553 A CN 106761553A
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- CN
- China
- Prior art keywords
- nipple
- pressure
- mover
- emergency shutdown
- stator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanically-Actuated Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Details Of Valves (AREA)
- Lift Valve (AREA)
Abstract
The invention 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; annular space is provided between protection 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; filter sand net is connected with the lower end of lower contact, the fluid passage in the filter sand net is corresponding with the adjustment hole on the stator of flow nipple.Present invention pressure after detecting 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
Can choke valve under the smart well of emergency shutdown the present invention relates to a kind of gas well.
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 there are problems that in the application following 1, well head oil pressure with
Strata pressure is constantly reduced, when defeated pressure request is not reached, it is impossible to automatically adjust mouth footpath, and 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 designing a kind of adjustable flow nipple and possessing the flow controller of emergency shutdown function.
The content of the invention
The technical problems to be solved by the invention are that the not enough offer one kind existed for above-mentioned prior art being capable of root
The gas well for automatically adjusting flow nipple aperture according to Production requirement can choke valve under the smart well of emergency shutdown.
The technical solution adopted in the present invention is：A kind of gas well can choke valve under the smart well of emergency shutdown, its feature exists
In：Including delivering mechanism, downhole choke mechanism, it is characterised in that：The downhole choke mechanism includes seating nipple, the seating nipple
Lower end be connected with lower contact, be connected with protection cylinder in the lower end of seating nipple, be provided with inner canister in protection cylinder, the protection cylinder
Annular space is provided between inner canister, temperature, pressure testing tool and high-temperature electric machine, the temperature pressure are provided with inner canister
The controller of power testing tool is used to control high-temperature electric machine, the output shaft of the high-temperature electric machine to be connected with the mover of flow nipple, institute
The adjustment seat for stating flow nipple is installed in lower contact, and filter sand net, the fluid in the filter sand net are connected with the lower end of lower contact
Passage is corresponding with the adjustment hole on the stator of flow nipple.
By above-mentioned technical proposal, the flow nipple includes the mover, stator, adjustment seat, the regulation that are connected with motor output shaft
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, be provided with stator it is multiple axially through the first inlet opening, be provided with mover and multiple axially passed through
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 nipple and annular space phase
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, the support set that are sequentially connected, the branch
Support set is connected with bar is delivered by delivering pin, and locking mechanism is externally provided with support set, and the locking mechanism is used for and seating nipple
The draw-in groove of interior setting is engaged, and combination sealing mechanism is provided with the lower end of support set, 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 invention is：Having the beneficial effect that acquired by the present invention：
1st, present invention pressure after detecting mouth, the controller controlled motor of temperature, pressure testing tool drives rotating shaft rotation
Turn, adjust the aperture of flow nipple, make pressure stability after flow nipple in setting range, so as to stablize well head production pressure, enter one
Step provides efficiency of construction.
2nd, downhole-choke can be automatically adjusted according to bottom hole pressure surge, reduce pulling number of times, also reduce 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,
It is capable of achieving automatic emergency shut-off.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, purpose is produced so as to reach to adjust.
5th, throttling control valve stores a temperature, pressure data every 2 hours under smart well, records the work of flow controller
State, data inversion can be carried out after flow controller is taken out, and 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 invention.
Fig. 2 is the structural representation of mover in flow nipple of the invention.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the structural representation of stator in flow nipple of the invention.
Fig. 5 is the B direction views of Fig. 4.
Specific embodiment
The invention will be further described 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, the support set 18 that are sequentially connected, the support set
18 are connected with bar 1 is delivered by delivering pin 3, and locking mechanism 4 is externally provided with support set 18, and the locking mechanism 4 is used for and work
The draw-in groove for making to be 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, the guarantor are connected with the lower end of seating nipple 6
The lower end of casing 17 is connected with lower contact 14, and inner canister 16 is provided with protection cylinder 17, the protection cylinder 17 and 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.Temperature, pressure test work is provided with inner canister 16
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
Be located in lower contact 14, filter sand net 13 be connected with the lower end of lower contact 14, the fluid passage in the filter sand net 13 with 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, be provided with stator multiple axially through the
One inlet opening 23, be provided with mover 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 of the invention 6 is connected with flow string, to after design attitude under tubing string, by cable or
The intelligent underground throttle device of steel wire connection delivers bar 1, at the rate discharge of 5~10m/min to seating nipple 6, then above proposes delivery
Mechanism to seating nipple top 5m, transfers tool string again, and quickly lower jarring is cut and delivers shear pin 3, is completed throttling control valve seat and 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, and gives up successfully, combination sealing mechanism 5
Seal operation cylinder 6, is stuck in seating nipple 6 while sitting mechanism for card 4 and sitting.
During production, gas enters through the filter sand net 13 of throttling control valve bottom under smart well, is carried out at flow nipple 12
Reducing pressure by regulating flow, gas after throttling enters circular passage 15, through circular passage after main flow circulation passages are entered by perforation 26.This
When gas through throttling control valve under whole smart well, 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 with support set 18 to fishing head 2, sits mechanism for card 4 and loses support, in unfreezing state, overcomes combination sealing
After the frictional force of mechanism 5 and seating nipple, carried in continuation 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, and 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 is installed in down and connects
In head, filter sand net is connected with the lower end of lower contact, the regulation on the stator of the fluid passage in the filter sand net and 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, stator, adjustment seat, the regulation spring that are connected with motor output shaft, the mover, stator and spring are installed in successively
In adjustment seat, the stator is by adjusting pressure mounting of the spring in adjustment seat and corresponding with mover, and multiple axles are provided with stator
To the first inlet opening of insertion, be provided with mover it is multiple axially through the second inlet opening, the first inlet opening and the second feed liquor
Hole is corresponding, and under the drive of motor output shaft, the first inlet opening is connected or staggered with the second inlet opening.
3. gas well according to claim 1 and 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, and the perforation being connected with annular space, the perforation and seating nipple are provided with nipple
Internal channel is connected.
4. gas well according to claim 1 and 2 can choke valve under the smart well of emergency shutdown, it is characterised in that：The throwing
Sending mechanism includes delivery bar, fishing head, the support set being sequentially connected, and the support set is connected with bar is delivered by delivering pin,
Locking mechanism is externally provided with support set, the locking mechanism is used to be engaged with the draw-in groove set in seating nipple, in support set
Lower end is provided with combination sealing mechanism, for seating nipple seal arrangement.
5. gas well according to claim 1 and 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 |
|---|---|---|---|
| CN201611170520.2A CN106761553B (en) | 2016-12-16 | 2016-12-16 | Intelligent downhole throttle valve capable of being turned off in emergency for gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170520.2A CN106761553B (en) | 2016-12-16 | 2016-12-16 | Intelligent downhole throttle valve capable of being turned off in emergency for gas well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761553A true CN106761553A (en) | 2017-05-31 |
| CN106761553B CN106761553B (en) | 2023-04-07 |
Family
ID=58891972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611170520.2A Active CN106761553B (en) | 2016-12-16 | 2016-12-16 | Intelligent downhole throttle valve capable of being turned off in emergency for gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761553B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344791A (en) * | 2018-04-07 | 2019-10-18 | 肖蔚然 | A kind of intelligent control downhole choke device |
| CN111425164A (en) * | 2020-03-30 | 2020-07-17 | 中国石油大学(华东) | Fully-electrically-driven underground safety valve and digital twin control method and system thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3412806A (en) * | 1965-07-14 | 1968-11-26 | Otis Eng Co | Multiple safety valve installation for wells |
| CN200982180Y (en) * | 2006-11-03 | 2007-11-28 | 吐哈石油勘探开发指挥部钻采工艺研究院 | Throttling control device for down-hole oil pipe |
| CN201517396U (en) * | 2009-10-13 | 2010-06-30 | 中国石油天然气股份有限公司 | Preset downhole choke and delivery tool |
| CN202510087U (en) * | 2012-04-05 | 2012-10-31 | 西南石油大学 | Retrievable subsurface safety valve |
| CN204920925U (en) * | 2015-08-26 | 2015-12-30 | 深圳市佳运通电子有限公司 | Accurate eccentric water filling tool of oil -field flooding well |
| CN206338053U (en) * | 2016-12-16 | 2017-07-18 | 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 |
-
2016
- 2016-12-16 CN CN201611170520.2A patent/CN106761553B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3412806A (en) * | 1965-07-14 | 1968-11-26 | Otis Eng Co | Multiple safety valve installation for wells |
| CN200982180Y (en) * | 2006-11-03 | 2007-11-28 | 吐哈石油勘探开发指挥部钻采工艺研究院 | Throttling control device for down-hole oil pipe |
| CN201517396U (en) * | 2009-10-13 | 2010-06-30 | 中国石油天然气股份有限公司 | Preset downhole choke and delivery tool |
| CN202510087U (en) * | 2012-04-05 | 2012-10-31 | 西南石油大学 | Retrievable subsurface safety valve |
| CN204920925U (en) * | 2015-08-26 | 2015-12-30 | 深圳市佳运通电子有限公司 | Accurate eccentric water filling tool of oil -field flooding well |
| CN206338053U (en) * | 2016-12-16 | 2017-07-18 | 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344791A (en) * | 2018-04-07 | 2019-10-18 | 肖蔚然 | A kind of intelligent control downhole choke device |
| CN111425164A (en) * | 2020-03-30 | 2020-07-17 | 中国石油大学(华东) | Fully-electrically-driven underground safety valve and digital twin control method and system thereof |
| CN111425164B (en) * | 2020-03-30 | 2021-04-06 | 中国石油大学(华东) | Fully-electrically-driven underground safety valve and digital twin control method and system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761553B (en) | 2023-04-07 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191230 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Applicant after: PETROLEUM ENGINEERING TECHNOLOGY Research Institute OF HANJIANG OIL FIELD BRANCH SINOPEC Address before: 430035 Hubei city of Wuhan province Gutian two Road No. 37 HSBC Nanniwan Avenue headquarters block fifth B Applicant before: PETROLEUM ENGINEERING TECHNOLOGY Research Institute OF HANJIANG OIL FIELD BRANCH SINOPEC |
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