CN108343404A - A kind of natural gas well intelligence flow controller - Google Patents
A kind of natural gas well intelligence flow controller Download PDFInfo
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- CN108343404A CN108343404A CN201810127516.0A CN201810127516A CN108343404A CN 108343404 A CN108343404 A CN 108343404A CN 201810127516 A CN201810127516 A CN 201810127516A CN 108343404 A CN108343404 A CN 108343404A
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- flow controller
- tube
- motor
- ring
- natural gas
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Classifications
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- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
Abstract
The technical field of tools that the invention belongs to tap natural gas, more particularly to a kind of natural gas well intelligence flow controller, including launching head, launch pin, fishing head, lift outer tube, throttling controls to adjust unit, mechanical anchor sets unit, set pin and sealing ring, launch the top that head is connected to fishing head by launching pin, lifting outer tube is coated at the lower part of fishing head, throttling controls to adjust unit and is connected to the lower part for launching head and positioned at fishing head and the inside for lifting outer tube, mechanical anchor, which sets unit and passes sequentially through, sets pin and sealing ring is connected to the lower part that throttling controls to adjust unit；It is fixed gas nozzle flow controller to solve current flow controller both domestic and external, when changing gas well working system, flow controller need to be taken out and replace gas nozzle, increase operating cost, normal production is influenced, and there are work accident hidden danger, the present invention is when changing working system, work is completed using gas nozzle aperture is adjusted, simplifies technology.
Description
Technical field
A kind of technical field of tools that the invention belongs to tap natural gas, and in particular to natural gas well intelligence flow controller.
Background technology
In natural gas extraction production process, need that a gas nozzle is installed in the wellhead assembly of gas well, to control gas well
Gas production, achieve the purpose that steadily to produce.Downhole Choking Technology technology is to utilize stratum heat after subsurface choke throttles simultaneously
Amount heating prevents frozen block phenomenon, can effectively prevent the generation of hydrate during natural gas gas production.But it is both domestic and external at present
Flow controller is fixed gas nozzle flow controller, when changing gas well working system, needs to take out flow controller replacement gas nozzle.This production
On the one hand technique increases operating cost, influence normally to produce, and there are work accident hidden danger.
Invention content
The purpose of the present invention is designing a kind of adjustable downhole intelligent adjustable choke of gas nozzle aperture, in change working system
When, work is completed using gas nozzle aperture is adjusted, simplifies technology, while there is the front and back pressure and temp of throttling in flow controller
Sensor can provide data for measurement stratum parameter.
For this purpose, the present invention provides a kind of natural gas well intelligence flow controller, including launch head, launch pin, fishing head, carry
It draws outer tube, throttling control and regulation unit, mechanical anchor to set unit, set pin and sealing ring, launches head and pass through dispensing pin
It is connected to the top of fishing head, lifting outer tube is coated at the lower part of fishing head, and throttling controls to adjust unit and is connected to dispensing head
Lower part and positioned at fishing head and lift the inside of outer tube, mechanical anchor, which sets unit and passes sequentially through, to be set pin and connected with sealing ring
The lower part of unit is controlled to adjust in throttling.
It includes wireless antenna, antenna house, wireless module and circuit board module, circuit board that the throttling, which controls to adjust unit,
Outer protection tube, upper pipe fitting, penetration pipe, upper sensor holder, power supply, power supply outer protection tube, motor, motor mounting rack, motor outer protection tube,
Limit switch, turn-screw, bearing block, crosses compression ring, adjusting screw, gas nozzle, lower pipe connection, lower sensor seat, pressure at triggering nut
Power temperature sensor and the solid ring of connection, the antenna house, circuit board outer protection tube, upper sensor holder, power supply outer protection tube, outside motor
Pillar, bearing block, gas nozzle, lower sensor seat, pressure-temperature sensor and the solid ring of connection are sequentially connected from the top down, wireless antenna
It is connected on the inside of antenna house, wireless module and circuit board module connect upper sensor holder and positioned at circuit board outer protection tube inside, electricity
Source is connected between sensor holder and motor and power supply is located on the inside of power supply outer protection tube, and motor is mounted on motor mounting rack,
The output axis connection turn-screw of motor lower portion, setting triggering nut and limit switch on turn-screw, triggering nut connection limit
Bit switch, motor, motor mounting rack, limit switch, triggering nut and turn-screw are located on the inside of motor outer protection tube, under gas nozzle
End slopes inwardly forms tapered cross-section gap between bearing block, and adjusting screw connects the lower part of turn-screw and adjusting screw position
In the tapered cross-section gap formed between bearing block and gas nozzle, the lower part that bearing block is sleeved on outside compression ring, pressure and temp sensing are crossed
Device passes sequentially through lower pipe connection from bottom to top, penetration pipe connects wireless module and circuit board module with upper pipe fitting.
It includes lifting baffle ring, slip spider, slips, cone, packing element, spacer ring, upper center that the mechanical anchor, which sets unit,
Pipe, rubber tube seat, central tube connector, locking lid, lock claw, spacing ring, lower center tube, piston, solve kelly, seal, sealing cover,
Set push rod and filtering body, the cone and lifting baffle ring are both connected to the lower end of sealing ring, slip spider and slips on to
Under be connected to the outside of cone in turn, set pin lower part be sequentially connected from the top down upper center tube, central tube connector and
Lower center tube, upper center tube are socketed packing element, spacer ring and rubber tube seat, and spacer ring upper and lower ends are all connected with a packing element, and packing element is located at cone
Between body and rubber tube seat, rubber tube seat lower part connection locking lid, lock claw is connected to central tube in turn with spacing ring and connects from the top down
On body and lock claw and spacing ring are respectively positioned on the inside of locking lid, locking lid and lock claw locking connection, locking lid, piston and sealing cover
It is sequentially connected from the top down, seal is connected to the lower end of piston and the inside positioned at sealing cover, and solution kelly is connected to lower center
In pipe, push rod is set on sealing cover and sets push rod upper end connection solution kelly, filtering body is connected to the lower end of sealing cover.
It further includes to thrust bearing, until thrust bearing is connected to bearing block that the throttling, which controls to adjust unit,.
The locking lid and lock claw are equipped with lock tooth, and the lock tooth is unidirectional tooth.
The solution kelly lower end, which is equipped with, divides claw, and groove is equipped in lower center tube, divides claw in groove.
Slot is equipped on the outside of the filtering body.
The frustoconical bevel angle of tapered cross-section between the gas nozzle and bearing block is not more than 10 °, the company of bearing block and gas nozzle
It is 90 ° to connect place's angle.
Beneficial effects of the present invention：
Natural gas well intelligence flow controller integrated control part on flow controller, it is big using the adjustable throttling gas nozzle mouth of control motor
It is small, control to adjust aerogenesis system；
Natural gas well intelligence flow controller uses adjustable air cock, only need to once go into the well, and the later stage replaces throttling gas nozzle without pulling, reduces
Go into the well number, improve production efficiency, reduce construction operation risk；
Integrated control and detection module on natural gas well intelligence flow controller can measure pressure and temperature parameter before and after throttling gas nozzle,
Analysis automatic adjustment throttling gas nozzle mouth size is calculated according to parameter；
There are wireless communication module, it can be achieved that manually change parameter setting and throttling gas nozzle mouth are opened on natural gas well intelligence flow controller
Degree, while extractable historical data；
The gas nozzle mouth that throttles uses conical surface crevice throttle, frustoconical bevel angle to be not more than 10 °, is 90 ° with controller junction angle, fully
Consider erosion rate and angle and material relationships, maximizing reduces erosion rate.
Description of the drawings
The present invention is described in further details below with reference to attached drawing.
Fig. 1 is the top half cross-sectional view of natural gas well intelligence flow controller；
Fig. 2 is the lower half portion cross-sectional view of natural gas well intelligence flow controller.
Reference sign：1, head is launched；2, pin is launched；3, wireless antenna；4, antenna house；5, fishing head；6, wireless
Module and circuit board module；7, circuit board outer protection tube；8, upper pipe fitting；9, penetration pipe；10, upper sensor holder；11, lifting is outer
Pipe；12, power supply；13, power supply outer protection tube；14, motor；15, motor mounting rack；16, motor outer protection tube；17, limit switch；18、
Trigger nut；19, turn-screw；20, to thrust bearing；21, bearing block；22, compression ring is crossed；23, adjusting screw；24, gas nozzle；25、
Lower pipe connection；26, lower sensor seat；27, pressure-temperature sensor；28, solid ring is connected；29, pin is set；30, sealing ring；
31, baffle ring is lifted；32, slip spider；33, slips；34, cone；35, packing element；36, spacer ring；37, upper center tube；38, rubber tube seat；
39, central tube connector；40, locking lid；41, lock claw；42, spacing ring；43, lower center tube；44, piston；45, kelly is solved；46、
Seal；47, sealing cover；48, push rod is set；49, filtering body.
Specific implementation mode
Embodiment 1：
As depicted in figs. 1 and 2, a kind of natural gas well intelligence flow controller, including launch head 1, launch pin 2, fishing head 5, lifting
Outer tube 11, throttling control to adjust unit, mechanical anchor sets unit, sets pin 29 and sealing ring 30, launch head 1 and pass through dispensing
Pin 2 is connected to the top of fishing head 5, and lifting outer tube 11 is coated at the lower part of fishing head 5, and throttling controls to adjust unit and is connected to
It launches the lower part of head 1 and positioned at fishing head 5 and lifts the inside of outer tube 11, mechanical anchor, which sets unit and passes sequentially through, sets pin
29 and sealing ring 30 be connected to throttling control to adjust unit lower part；The throttling control to adjust unit include wireless antenna 3,
Antenna house 4, wireless module and circuit board module 6, circuit board outer protection tube 7, upper pipe fitting 8, penetration pipe 9, upper sensor holder 10, electricity
Source 12, power supply outer protection tube 13, motor 14, motor mounting rack 15, motor outer protection tube 16, limit switch 17, triggering nut 18, transmission
Leading screw 19, bearing block 21 cross compression ring 22, adjusting screw 23, gas nozzle 24, lower pipe connection 25, lower sensor seat 26, pressure and temp biography
Sensor 27 and the solid ring 28 of connection, the antenna house 4, circuit board outer protection tube 7, upper sensor holder 10, power supply outer protection tube 13, motor
Outer protection tube 16, bearing block 21, gas nozzle 24, lower sensor seat 26, pressure-temperature sensor 27 and the solid ring of connection 28 from the top down according to
Secondary connection, wireless antenna 3 are connected to 4 inside of antenna house, wireless module and the upper sensor holder 10 of the connection of circuit board module 6 and are located at
7 inside of circuit board outer protection tube, power supply 12 is connected between sensor holder 10 and motor 14 and power supply 12 is located at power supply outer protection tube
13 insides, motor 14 are mounted on motor mounting rack 15, the output axis connection turn-screw 19 of 14 lower part of motor, turn-screw 19
Upper setting triggering nut 18 and limit switch 17, triggering nut 18 connect limit switch 17, motor 14, motor mounting rack 15, limit
Bit switch 17, triggering nut 18 and turn-screw 19 are located at 16 inside of motor outer protection tube, and the lower end of gas nozzle 24 slopes inwardly and axis
Tapered cross-section gap is formed between bearing 21, adjusting screw 23 connects the lower part of turn-screw 19 and adjusting screw 23 is located at bearing
In the tapered cross-section gap formed between seat 21 and gas nozzle 24, the lower part that bearing block 21 is sleeved on outside compression ring 22 is crossed, pressure and temp passes
Sensor 27 passes sequentially through lower pipe connection 25, penetration pipe 9 and upper pipe fitting 8 and connects wireless module and circuit board module 6 from bottom to top；
Wireless antenna 3 is used for and communicates instrument docking, completes data and wirelessly docks；Wireless module and circuit board module 6 are mounted on upper sensing
On device seat 10, for controlling reception of wireless signals transmitting, signal acquisition and motor control function；Power supply 12 is mounted on outside power supply and protects
It is connected with motor outer protection tube 16 in pipe 13, for providing power supply for motor 14 and circuit board；Motor 14 is mounted on motor mounting rack
Motor output shaft is connected with turn-screw 19 on 15, on turn-screw 19 exist triggering nut 18 for trigger limit switch 17 with
Limit 23 position of adjusting screw；Adjusting screw 23 passes through electricity by forming tapered cross-section gap between bearing block 21 and gas nozzle 24
Machine controls the gap between adjusting rod and gas nozzle, equivalent to form different throttling bores arrival regulatory functions；Pressure-temperature sensor
27 are connected to signal wire on wireless module and circuit board module 6 by lower pipe connection 25, penetration pipe 9 and upper pipe fitting 8, for examining
The preceding pressure of throttling is surveyed, wireless module of the invention and circuit board module 6, power supply 12, motor 14, pressure-temperature sensor 27 are
The prior art, present invention integrated control part on flow controller utilize the adjustable throttling 24 mouthfuls of sizes of gas nozzle of control motor, control
Aerogenesis system is adjusted, using adjustable air cock 24, only need to once be gone into the well, the later stage replaces throttling gas nozzle without pulling, and reduction is gone into the well time
Number improves production efficiency, reduces construction operation risk；Integrated control and detection module, can measure throttling gas nozzle before and after pressure and
Temperature parameter calculates analysis automatic adjustment throttling gas nozzle mouth size according to parameter, and accuracy is high, on natural gas well intelligence flow controller
There are wireless communication module, it can be achieved that manually change parameter setting and throttling gas nozzle mouth aperture, while extractable historical data, intelligence
Degree height can be changed.
Embodiment 2：
As depicted in figs. 1 and 2, on the basis of embodiment 1,：It includes lifting baffle ring 31, card that the mechanical anchor, which sets unit,
Watt seat 32, slips 33, cone 34, packing element 35, spacer ring 36, upper center tube 37, rubber tube seat 38, central tube connector 39, locking lid
40, lock claw 41, spacing ring 42, lower center tube 43, piston 44, solution kelly 45, seal 46, sealing cover 47, set 48 and of push rod
Filtering body 49, the cone 34 and lifting baffle ring 31 are both connected to the lower end of sealing ring 30, slip spider 32 and slips 33 from upper
It is connected to the outside of cone 34 in turn downwards, the lower part for setting pin 29 is sequentially connected upper center tube 37, central tube from the top down
Connector 39 and lower center tube 43, upper center tube 37 are socketed packing element 35, spacer ring 36 and rubber tube seat 38,36 upper and lower ends of spacer ring and connect
A packing element 35 is connect, packing element 35 is between cone 34 and rubber tube seat 38,38 lower part of rubber tube seat connection locking lid 40,41 He of lock claw
Spacing ring 42 is connected in turn from the top down on central tube connector 39 and lock claw 41 and spacing ring 42 are respectively positioned on locking lid 40
Inside, locks lid 40 and the locking connection of lock claw 41, and locking lid 40, piston 44 and sealing cover 47 are sequentially connected, seal from the top down
Body 46 is connected to the lower end of piston 44 and the inside positioned at sealing cover 47, and solution kelly 45 is connected in lower center tube 43, sets and push away
Bar 48 is mounted on sealing cover 47 and sets 48 upper end of push rod connection solution kelly 45, and filtering body 49 is connected under sealing cover 47
End；Central tube is made of upper center tube 37, central tube connector 39, lower center tube 43, locks lid 40 and the locking connection of lock claw 41
Locking position-limiting action is played, locking lid 40, piston 44, seal 46 and sealing cover 47 are collectively formed two sealing piston cavitys, use
In offer flow controller setting force.
Further, it further includes to thrust bearing 20, until thrust bearing 20 is connected to bearing that the throttling, which controls to adjust unit,
Seat 21；To thrust bearing 20, for bearing axial force, it is mounted in bearing block 21, prevents motor 14 from being damaged because bearing axial force,
Prolong the service life.
Further, the locking lid 40 and lock claw 41 are equipped with lock tooth, and the lock tooth is unidirectional tooth；Play locking limit
Effect, simple in structure, stability is strong.
Further, 45 lower end of solution kelly, which is equipped with, divides claw, and groove is equipped in lower center tube 43, claw is divided to be embedded in
In groove；Piston force after going into the well for mechanical retention, it is simple in structure and play good restriction effect.
Further, 49 outside of filtering body is equipped with slot；There are slots for filtering body 49, form filter screen and avoid mud
Blocking of the sand to flow controller.
Further, the frustoconical bevel angle of the tapered cross-section between the gas nozzle 24 and bearing block 21 is not more than 10 °, bearing
The junction angle of seat 21 and gas nozzle 24 is 90 °.Fully consider erosion rate and angle and material relationships, maximizing reduces erosion
Rate.
The present invention use process be：
1, it launches and sets
When flow controller being installed to underground, steel wire rope is linked together by dropping feeder with head 1 is launched, throttling controls to adjust unit
Unit is set with mechanical anchor to connect by setting pin 29,45 lower end of solution kelly, which exists, divides claw to be caught in 43 groove of lower center tube
It is interior, accelerate to transfer when flow controller being transferred to precalculated position using dropping feeder, bring to a halt when reaching the when of disengaging speed, at this time steel wire
Rope holds flow controller, and fishing head 5, lifting outer tube 11, slip spider 32, slips 33 glide under effect of inertia, slips 33
Fixation is suspended on tube inner wall, while solving 45 lower end of kelly and claw is divided to be skidded off from groove, under pressure, locking lid
40, piston 44, sealing cover 47, set push rod 48 and move up, so that the tooth of locking of locking lid 40 is connect with lock claw 41,35 compression packing of packing element
Oil pipe；
2, aperture regulation
Flow controller is controlled to adjust the tapered cross-section gap size generated between leading screw 23 and gas nozzle 24 by motor 14 and carries out aperture
It adjusting, the control of motor 14 divides automatically and manually two ways,
Automatically：In throttling control section, there are the front and back pressure and temp parameters of the detectable throttling of pressure-temperature sensor 27, by interior
Whether portion's Data Analysis Services throttling gas nozzle mouth size needs to adjust, and motor 14 is controlled when needing to adjust, utilizes turn-screw
19 drive adjusting screw 23, and adjusting screw 23 is made to change with 24 section gap of gas nozzle；
Manually：When need it is artificial read downhole pressure/temperature data or carry out gas nozzle mouth aperture regulation when, lower communication instrument by with
Flow controller upper end wireless communication module is docked, and extracts pressure and temp data before and after downhole choke, and by host computer to section
Head piece aperture is adjusted；
3, it salvages
When acting flow controller, steel wire rope is connected by throw in catcher with head 1 is launched, to throttle first with the downward jarring of bumper jar
Device seat ontology moves down, and gets out of the way the restriction of slips 33, lifts steel wire rope then up, and slip spider 32 is moved upwards up to lifting baffle ring 31,
It continues up lifting cone and gets out of the way 35 position of packing element, packing element 35 restores in the case where expanding force effect, you can by flow controller from underground
Out.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
Be with the present invention it is same or analogous design all belong to the scope of protection of the present invention within.
Claims (8)
1. a kind of natural gas well intelligence flow controller, it is characterised in that：Including launching head（1）, launch pin（2）, fishing head（5）、
Lift outer tube（11）, throttling controls to adjust unit, mechanical anchor and sets unit, sets pin（29）And sealing ring（30）, launch
Head（1）By launching pin（2）It is connected to fishing head（5）Top, lift outer tube（11）It is coated at fishing head（5）Lower part,
Throttling controls to adjust unit and is connected to dispensing head（1）Lower part and be located at fishing head（5）With lifting outer tube（11）Inside, machinery
Anchoring, which sets unit and passes sequentially through, sets pin（29）And sealing ring（30）It is connected to the lower part that throttling controls to adjust unit.
2. natural gas well intelligence flow controller as described in claim 1, it is characterised in that：The throttling controls to adjust unit packet
Include wireless antenna（3）, antenna house（4）, wireless module and circuit board module（6）, circuit board outer protection tube（7）, upper pipe fitting（8）、
Penetration pipe（9）, upper sensor holder（10）, power supply（12）, power supply outer protection tube（13）, motor（14）, motor mounting rack（15）, motor
Outer protection tube（16）, limit switch（17）, triggering nut（18）, turn-screw（19）, bearing block（21）, cross compression ring（22）, adjust
Leading screw（23）, gas nozzle（24）, lower pipe connection（25）, lower sensor seat（26）, pressure-temperature sensor（27）With the solid ring of connection
（28）, the antenna house（4）, circuit board outer protection tube（7）, upper sensor holder（10）, power supply outer protection tube（13）, motor outer protection tube
（16）, bearing block（21）, gas nozzle（24）, lower sensor seat（26）, pressure-temperature sensor（27）With the solid ring of connection（28）From upper
It is sequentially connected downwards, wireless antenna（3）It is connected to antenna house（4）Inside, wireless module and circuit board module（6）It is sensed in connection
Device seat（10）And it is located at circuit board outer protection tube（7）Inside, power supply（12）It is connected to sensor holder（10）And motor（14）Between
And power supply（12）Positioned at power supply outer protection tube（13）Inside, motor（14）Mounted on motor mounting rack（15）On, motor（14）Lower part
Output axis connection turn-screw（19）, turn-screw（19）Upper setting triggers nut（18）And limit switch（17）, trigger spiral shell
It is female（18）Connect limit switch（17）, motor（14）, motor mounting rack（15）, limit switch（17）, triggering nut（18）And biography
Dynamic leading screw（19）Positioned at motor outer protection tube（16）Inside, gas nozzle（24）Lower end slope inwardly and bearing block（21）Between formed cone
Tee section gap, adjusting screw（23）Connect turn-screw（19）Lower part and adjusting screw（23）Positioned at bearing block（21）It is gentle
Mouth（24）Between in the tapered cross-section gap that is formed, cross compression ring（22）It is sleeved on bearing block outside（21）Lower part, pressure and temp sensing
Device（27）Lower pipe connection is passed sequentially through from bottom to top（25）, penetration pipe（9）With upper pipe fitting（8）Connect wireless module and circuit board
Module（6）.
3. natural gas well intelligence flow controller as claimed in claim 2, it is characterised in that：The mechanical anchor sets unit packet
Include lifting baffle ring（31）, slip spider（32）, slips（33）, cone（34）, packing element（35）, spacer ring（36）, upper center tube（37）, glue
Cylinder base（38）, central tube connector（39）, locking lid（40）, lock claw（41）, spacing ring（42）, lower center tube（43）, piston
（44）, solution kelly（45）, seal（46）, sealing cover（47）, set push rod（48）And filtering body（49）, the cone（34）
With lifting baffle ring（31）It is both connected to sealing ring（30）Lower end, slip spider（32）And slips（33）It is connected in turn from the top down
Cone（34）Outside, set pin（29）Lower part be sequentially connected upper center tube from the top down（37）, central tube connector
（39）And lower center tube（43）, upper center tube（37）It is socketed packing element（35）, spacer ring（36）And rubber tube seat（38）, spacer ring（36）Up and down
Both ends are all connected with a packing element（35）, packing element（35）Positioned at cone（34）And rubber tube seat（38）Between, rubber tube seat（38）Lower part connects
Connect locking lid（40）, lock claw（41）And spacing ring（42）It is connected to central tube connector in turn from the top down（39）Upper and lock claw
（41）And spacing ring（42）It is respectively positioned on locking lid（40）Inside, locking lid（40）And lock claw（41）Locking connection, locking lid
（40）, piston（44）And sealing cover（47）It is sequentially connected from the top down, seal（46）It is connected to piston（44）Lower end and position
In sealing cover（47）Inside, solve kelly（45）It is connected to lower center tube（43）It is interior, set push rod（48）Mounted on sealing cover
（47）Above and set push rod（48）Upper end connection solution kelly（45）, filtering body（49）It is connected to sealing cover（47）Lower end.
4. natural gas well intelligence flow controller as claimed in claim 3, it is characterised in that：The throttling controls to adjust unit also
Including to thrust bearing（20）, until thrust bearing（20）It is connected to bearing block（21）.
5. natural gas well intelligence flow controller as claimed in claim 4, it is characterised in that：The locking lid（40）And lock claw
（41）It is equipped with lock tooth, the lock tooth is unidirectional tooth.
6. natural gas well intelligence flow controller as claimed in claim 5, it is characterised in that：The solution kelly（45）Lower end is equipped with
Divide claw, lower center tube（43）It is interior to be equipped with groove, divide claw in groove.
7. natural gas well intelligence flow controller as claimed in claim 6, it is characterised in that：The filtering body（49）Outside is equipped with
Slot.
8. natural gas well intelligence flow controller as claimed in claim 7, it is characterised in that：The gas nozzle（24）And bearing block
（21）Between tapered cross-section frustoconical bevel angle be not more than 10 °, bearing block（21）And gas nozzle（24）Junction angle be 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127516.0A CN108343404B (en) | 2018-02-08 | 2018-02-08 | Intelligent throttling device for natural gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127516.0A CN108343404B (en) | 2018-02-08 | 2018-02-08 | Intelligent throttling device for natural gas well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108343404A true CN108343404A (en) | 2018-07-31 |
| CN108343404B CN108343404B (en) | 2020-06-09 |
Family
ID=62959098
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810127516.0A Active CN108343404B (en) | 2018-02-08 | 2018-02-08 | Intelligent throttling device for natural gas well |
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| Country | Link |
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| CN (1) | CN108343404B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719258A (en) * | 2020-05-12 | 2021-11-30 | 中国石油天然气股份有限公司 | Downhole throttling method and apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719258A (en) * | 2020-05-12 | 2021-11-30 | 中国石油天然气股份有限公司 | Downhole throttling method and apparatus |
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| Publication number | Publication date |
|---|---|
| CN108343404B (en) | 2020-06-09 |
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