CN108952646A - Smart well fluid controller - Google Patents
Smart well fluid controller Download PDFInfo
- Publication number
- CN108952646A CN108952646A CN201811054597.2A CN201811054597A CN108952646A CN 108952646 A CN108952646 A CN 108952646A CN 201811054597 A CN201811054597 A CN 201811054597A CN 108952646 A CN108952646 A CN 108952646A
- Authority
- CN
- China
- Prior art keywords
- installation
- shorted
- valve
- push
- battery
- Prior art date
- 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.)
- Granted
Links
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
- 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
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/06—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells for setting packers
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Abstract
A kind of smart well fluid controller, belong to oil field well accessory technical field, including casing assembly, the casing assembly includes top connection, outer sleeve, cross oily female connector and lower contact, four from top to bottom pass sequentially through threaded connection, seal cavity is equipped in the casing assembly, the structure of seal cavity includes sensor installation seat, battery installation is shorted, attachment base and motor installation are shorted, the lower end that motor installation is shorted was sealedly connected on the upper end of oily female connector, pressure sensor is installed on the sensor installation seat, the battery installation is equipped with battery and circuit board in being shorted, the motor installation is equipped with push-rod electric machine in being shorted；Valve member is provided with below the push-rod electric machine.The present invention is carried out automatically controlling by the outflow to the liquid in stratum, can be controlled the submergence of oil well pump in zone of reasonableness, so that excessive submergence be avoided to cause biggish unnecessary burden to pumping unit, be also improved pump efficiency.
Description
Technical field
The invention belongs to oil field well accessory technical field more particularly to a kind of smart well fluid controllers.
Background technique
Submergence, i.e. pump tripping in hydrodynamic face depth below, an important parameter for needing to monitor when being pumping production.
In actual production, submergence needs to control in a reasonable range, and submergence is excessively high not only to will increase surface drive mechanism
Burden, pump efficiency can be also reduced, to adversely affect to production.In addition, in the prior art, needing to pass through before underground work
Kill-job operation prevents from returning pollution environment in well liquid, and not only operating cost is relatively high for this mode, and cannot cannot thoroughly prevent
Environmental pollution.
Summary of the invention
To solve the problems, such as to the long-term flow control of well liquid, the present invention provides a kind of smart well fluid controller, and the present invention has intelligence
Energy, efficient feature.
Present invention provide the technical scheme that a kind of smart well fluid controller, including casing assembly, the casing assembly
Including top connection, outer sleeve, excessively oily female connector and lower contact, four from top to bottom pass sequentially through and are threadedly coupled and close by sealing ring
Envelope,
It is equipped with seal cavity in the casing assembly, the structure of seal cavity includes that sensor installation seat, battery installation are short
It connects, attachment base and motor installation short circuit, four are from top to bottom successively tightly connected, and the lower end that motor installation is shorted is sealedly connected on
The upper end for crossing oily female connector is equipped with pressure so that casing assembly is connected with seal cavity on the sensor installation seat
Force snesor, the pressure-bearing surface of pressure sensor towards on the outside of seal cavity, the battery installation be shorted in be equipped with battery and
Circuit board, the motor are installed and are equipped with push-rod electric machine in short circuit, and push-rod electric machine passes through battery and powers, the casing assembly
There are the annular space for crossing liquid between seal cavity, it is correspondingly arranged in the described excessively oily female connector with the annular space
Axial oil-through hole；
Valve member is provided with below the push-rod electric machine, the structure of valve member includes valve rod and valve head, valve rod
Upper end be connected to the driving end of push-rod electric machine, the lower end of valve rod is connect with valve head, and valve rod is inserted in the excessively oily female connector center
In circular hole and by being slidingly sealed between sealing element and hole wall, valve head and valve rod are moved axially under the promotion of push-rod electric machine with reality
Valve events are now switched, valve head and the inside of the lower contact cooperate the sealing to realize valve by circular conical surface.
The battery installation pipe nipple inner wall is equipped with insulating paper, fills out around the inside of insulating paper, battery and circuit board
Filled with the rock wool for playing insulated heat.Flexible rubber layer is hung in the valve head pyramidal structure.The sensor installation
Seat, battery installation are shorted, attachment base and motor installation are shorted and pass sequentially through taper pipe thread sealed connection under.Described pushes away
Bar motor is fixedly mounted in motor installation short circuit by motor mounting shell and spacer, wherein push-rod electric machine is mounted on motor peace
Fill in shell, spacer is supported between connector sleeve and motor mounting shell, thus by motor mounting shell be fixed on spacer and attachment base it
Between.
The invention has the advantages that:
1, the present invention is carried out automatically controlling by the outflow to the liquid in stratum, can control the submergence of oil well pump
Zone of reasonableness also improves pump efficiency so that excessive submergence be avoided to cause biggish unnecessary burden to pumping unit.
2, when underground work, the present invention can automatically be closed oil reservoir, at this moment the pressure on stratum cannot by casing outflow come,
Liquid level in this way in casing will not rise again, avoid the Well Killing Process during operation also and the landing oily pollution environment of generation
The case where occur.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram of upper semisection of the invention.
Fig. 3 is the structural schematic diagram of lower semisection of the invention.
Fig. 4 is the partial enlarged view in Fig. 2 at A.
In figure: 1- top connection, 2- outer sleeve, 3- sensor installation seat, the installation of 4- battery are shorted, 5- battery, 6- rock wool, 7-
Circuit board, 8- pressure sensor, 9- attachment base, the installation of 10- motor are shorted, the excessively oily female connector of 11-, 12- valve rod, 13- valve head, 14-
Lower contact, 15- spacer, 16- motor mounting shell, 17- push-rod electric machine, 18- insulating paper, 19- oil-through hole.
Specific embodiment
The present invention is described further below in conjunction with attached drawing:
The present embodiment includes casing assembly, the casing assembly include top connection 1, outer sleeve 2, excessively oily female connector 11 and under
Connector 14, four from top to bottom pass sequentially through threaded connection and are sealed by sealing ring.
It is equipped with seal cavity in the casing assembly, the structure of seal cavity includes that sensor installation seat 3, battery installation are short
It connects 4, attachment base 9 and motor installation is shorted 10, four are from top to bottom successively tightly connected, and motor installation is shorted 10 lower end sealing
It was connected to the upper end of oily female connector 11, so that casing assembly is connected with seal cavity.Seal cavity can prevent liquid into
Enter the space around each electrical component, to prevent circuit from short circuit occurs, while preventing electrical component impaired.
Pressure sensor 8 is installed, the pressure-bearing surface of pressure sensor 8 is towards seal chamber on the sensor installation seat 3
External side can carry out real-time monitoring to down-hole pressure by pressure sensor 8, when the pressure value monitored meets preset condition
When, valve member is opened or closed, to carry out automatically controlling according to pressure condition to valve switch.By to the liquid in stratum
The outflow of body carries out automatically controlling, and can control the submergence of oil well pump in zone of reasonableness, to avoid excessive submergence pair
Pumping unit causes biggish unnecessary burden, also improves pump efficiency.When underground work, the present invention can automatically be closed oil reservoir, this
When stratum pressure cannot be by casing outflow come the liquid level in such casing will not rise again, during avoiding operation also
Well Killing Process and generation landing oily pollution environment the case where occur.
The battery installation, which is shorted in 4, is equipped with battery 5 and circuit board 7, and the motor installation is shorted installation in 10
There is push-rod electric machine 17, push-rod electric machine 17 is powered by battery 5, and circuit board 7 is for arranging control circuit.Push-rod electric machine 17 and battery
5 are readily available in the market, and specifications parameter is determined according to use demand.
There are the annular space for crossing liquid between the casing assembly and seal cavity, in the described excessively oily female connector 11 with
The annular space is correspondingly arranged on axial oil-through hole 19, annular space and the linking of oil-through hole 19 formed for down-hole liquid to
The channel of upper flowing.
The structure of the valve member includes valve rod 12 and valve head 13, and the upper end of valve rod 12 is connected to push-rod electric machine 17
End is driven, the lower end of valve rod 12 is connect with valve head 13, and valve rod 12 is inserted in the circular hole in excessively oily 11 center of female connector and by close
It is slidingly sealed between sealing and hole wall, valve head 13 and valve rod 12 move axially under the promotion of push-rod electric machine 17 to realize switch valve
The inside of movement, valve head 13 and the lower contact 14 cooperates the sealing to realize valve by circular conical surface.
Battery installation 4 inner wall of pipe nipple is equipped with insulating paper 18, in the inside of insulating paper 18, battery 5 and circuit board 7
Surrounding has been filled with the rock wool 6 of insulated heat effect, and guaranteeing in normal operation will not nothing that is mutually conductive, leading to battery
Therefore electric discharge influences service life.
Flexible rubber layer is hung in 13 pyramidal structure of valve head.The sensor installation seat 3, battery installation are shorted
4, attachment base 9 and motor installation are shorted 10 and pass sequentially through taper pipe thread sealed connection under.The push-rod electric machine 17 is logical
It crosses motor mounting shell 16 and spacer 15 is fixedly mounted on motor installation and is shorted in 10, wherein push-rod electric machine 17 is mounted on motor peace
It fills in shell 16, spacer 15 is supported between connector sleeve 9 and motor mounting shell 16, so that motor mounting shell 16 is fixed on spacer 15
Between attachment base 9.
Installation and use process of the invention:
1. installation: lower end of the present invention connects screen casing by oil pipe, and upper end connects anchor suspension packer, slips by oil pipe
Hanging packer upper end connects back-off sub by oil pipe, after back-off sub transfers to accurate location by connected pipes, passes through
Oil pipe, which is suppressed, makes packer setting (present invention is in close state when suppressing for the first time)；When pressure decline reaches 1.5MPa, this
Valve member in invention is opened, and the liquid in stratum can be in sleeve pipe.At this moment oil pipe is reversely rotated after packer setting,
Make release of giving up, then above mention oil pipe, the present invention is just fixed on underground, completes installation.
2. using: after complete well, when pressure sensor 8 measures down-hole pressure and reaches 1.5MPa, pressure sensor 8 is exported
Signal transmits signal to push-rod electric machine 17 to circuit board 7, circuit board 7, and push-rod electric machine 1 acts, and valve opening, well liquid passes through screen casing
After filtering, into the present apparatus, reach pump by anchor suspension packer and back-off sub, well liquid enters oil pipe by pump, works as well
Liquid is gradually increasing, and present apparatus submergence gradually increases, when pressure sensor 8, which measures down-hole pressure, reaches 8MPa, pressure sensing
Device 8 outputs signal to circuit board 7, and circuit board 7 transmits signal to push-rod electric machine 17, and push-rod electric machine 17 acts, and valve member is closed,
Well liquid cannot be spread out of.After pumping unit works a period of time, well liquid is gradually produced, and present apparatus submergence reduces, and is pressed simultaneously
The pressure decline that force snesor 8 measures, when pressure is less than 1.5MPa, present apparatus valve member is again turned on, and well liquid flows again
Enter, into normal working condition.When oil well needs operation, production tree is removed, and oil pipe rises, and inside pipe casing is not pressed at this time
The design of pressure (can be 0.3MPa, pressure is lower than should far below 1.5MPa by power, the pressure signal that pressure sensor detects
When value, it is considered as far below 1.5MPa), circuit board 7 transmits signal to push-rod electric machine 17, and push-rod electric machine 17 acts, and valve member closes
Close, at this moment the pressure on stratum cannot by casing outflow come, the liquid level in such casing will not rise again, therefore, the present apparatus
Using the Well Killing Process avoided in operation process, the thing for also avoiding the landing oily pollution environment generated occurs.
When battery capacity drops to the 30% of whole electricity, valve will maintain a normally open state, in order to avoid not because of battery capacity
Foot, causes valve that cannot open, influences oil well normal use.
In general, common batteries can only or so continued power half a year, then in the case where taking more time power supply, electricity can be used
The mode of cable power supply, is powered from ground.
Claims (2)
1. a kind of smart well fluid controller, it is characterised in that: including casing assembly, the casing assembly include top connection (1),
Outer sleeve (2), excessively oily female connector (11) and lower contact (14), four from top to bottom pass sequentially through threaded connection and to pass through sealing ring close
Envelope,
Seal cavity is equipped in the casing assembly, the structure of seal cavity includes sensor installation seat (3), battery installation short circuit
(4), attachment base (9) and motor installation are shorted (10), and four are from top to bottom successively tightly connected, and motor installation is shorted under (10)
End was sealedly connected on the upper end of oily female connector (11), so that casing assembly is connected with seal cavity, the sensor
It is equipped in mounting base (3) pressure sensor (8), the pressure-bearing surface of pressure sensor (8) is towards on the outside of seal cavity, the electricity
Pond installation, which is shorted in (4), is equipped with battery (5) and circuit board (7), and the motor installation, which is shorted in (10), is equipped with push rod electricity
Machine (170, powered by battery (5), and there are the rings for crossing liquid between the casing assembly and seal cavity by push-rod electric machine (17)
Shape space is correspondingly arranged on axial oil-through hole (19) with the annular space on the described excessively oily female connector (11)；
Valve member is provided with below the push-rod electric machine (17), the structure of valve member includes valve rod (12) and valve head
(13), the upper end of valve rod (12) is connected to the driving end of push-rod electric machine (17), and the lower end of valve rod (12) is connect with valve head (13), valve
Bar (12) is inserted in the circular hole in described excessively oily female connector (11) center and by being slidingly sealed between sealing element and hole wall, valve head (13)
Moved axially under the promotion of push-rod electric machine (17) with valve rod (12) to realize switch valve events, valve head (13) with it is described under connect
The inside of head (14) cooperates the sealing to realize valve by circular conical surface；
Battery installation pipe nipple (4) inner wall is equipped with insulating paper (18), in the inside of insulating paper (18), battery (5) and circuit
The rock wool (6) of insulated heat effect has been filled with around plate (7)；
Flexible rubber layer is hung in described valve head (13) pyramidal structure；
The sensor installation seat (3), battery installation be shorted (4), attachment base (9) and motor installation short circuit (10) under according to
It is secondary to be tightly connected by taper pipe thread.
2. a kind of smart well fluid controller according to claim 1, it is characterised in that: the push-rod electric machine (17) passes through
Motor mounting shell (16) and spacer (15) are fixedly mounted on motor installation and are shorted in (10), wherein push-rod electric machine (17) is mounted on
In motor mounting shell (16), spacer (15) is supported between connector sleeve (9) and motor mounting shell (16), thus by motor mounting shell
(16) it is fixed between spacer (15) and attachment base (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054597.2A CN108952646B (en) | 2018-09-11 | 2018-09-11 | Smart well fluid controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054597.2A CN108952646B (en) | 2018-09-11 | 2018-09-11 | Smart well fluid controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952646A true CN108952646A (en) | 2018-12-07 |
| CN108952646B CN108952646B (en) | 2019-09-27 |
Family
ID=64475056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811054597.2A Active CN108952646B (en) | 2018-09-11 | 2018-09-11 | Smart well fluid controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952646B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017132A (en) * | 2019-05-24 | 2019-07-16 | 中国地质科学院地质力学研究所 | A kind of hydraulic fracturing packer and fracturing section pressure monitoring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952418A (en) * | 2016-06-29 | 2016-09-21 | 西南石油大学 | Intelligent switching valve for reservoir reformation and production monitoring and control and construction method thereof |
| WO2017009521A1 (en) * | 2015-07-10 | 2017-01-19 | Oy El-Ho Ab | Hydraulic solutions on a work machine |
| CN106640026A (en) * | 2016-12-14 | 2017-05-10 | 中国海洋石油总公司 | Pressure control type intelligent production pipe column capable of injecting acid by layer selection and production method |
| CN106761604A (en) * | 2016-12-27 | 2017-05-31 | 中国海洋石油总公司 | A kind of high angle hole intelligence separate-layer production string and its operational method |
| CN208718619U (en) * | 2018-09-11 | 2019-04-09 | 大庆丹枫石油技术开发有限公司 | Smart well fluid controller |
-
2018
- 2018-09-11 CN CN201811054597.2A patent/CN108952646B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017009521A1 (en) * | 2015-07-10 | 2017-01-19 | Oy El-Ho Ab | Hydraulic solutions on a work machine |
| CN105952418A (en) * | 2016-06-29 | 2016-09-21 | 西南石油大学 | Intelligent switching valve for reservoir reformation and production monitoring and control and construction method thereof |
| CN106640026A (en) * | 2016-12-14 | 2017-05-10 | 中国海洋石油总公司 | Pressure control type intelligent production pipe column capable of injecting acid by layer selection and production method |
| CN106761604A (en) * | 2016-12-27 | 2017-05-31 | 中国海洋石油总公司 | A kind of high angle hole intelligence separate-layer production string and its operational method |
| CN208718619U (en) * | 2018-09-11 | 2019-04-09 | 大庆丹枫石油技术开发有限公司 | Smart well fluid controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017132A (en) * | 2019-05-24 | 2019-07-16 | 中国地质科学院地质力学研究所 | A kind of hydraulic fracturing packer and fracturing section pressure monitoring device |
| CN110017132B (en) * | 2019-05-24 | 2023-12-22 | 中国地质科学院地质力学研究所 | Hydraulic fracturing packer and fracturing section pressure monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108952646B (en) | 2019-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104929592B (en) | Horizontal well looks for the device and its application method of water blockoff and formation pressure monitoring | |
| US10550647B2 (en) | Downhole automatic connection device and method for oil pipe internal communication cable used for intelligent layered water injection | |
| CN109882115B (en) | Constant-pressure grouting device | |
| CN105696965B (en) | Electrodynamic type packer | |
| CN105221098A (en) | A kind of electric packer and control method, using method | |
| CN203308447U (en) | Intelligent electric switch sliding sleeve | |
| CN102418500B (en) | Directly controlled continuous quantitative layered production allocation oil pipe column | |
| CN110952960A (en) | Intelligent separate production string | |
| CN108952646B (en) | Smart well fluid controller | |
| CN208718619U (en) | Smart well fluid controller | |
| CN206513346U (en) | Novel down-hole electronic controlled power is switched | |
| CN210003244U (en) | constant pressure grouting equipment | |
| CN209780838U (en) | Gas drilling constant pressure slip casting controlgear | |
| CN111980626B (en) | Underground switch for finding water blockage | |
| CN204920925U (en) | Accurate eccentric water filling tool of oil -field flooding well | |
| CN208918526U (en) | A kind of underground thick oil sampler | |
| CN113653468B (en) | Hydraulic direct-drive rodless heating oil production device in well | |
| CN208010703U (en) | Hydraulic petroleum lifting device intelligence control system | |
| CN217632381U (en) | Controllable plunger for drainage and gas production of gas well based on digital oil field construction | |
| CN104653541A (en) | Mine water media hydraulic cylinder and continuous oil extraction device | |
| CN210422582U (en) | Oil extraction switch device and layered oil extraction equipment | |
| CN213392093U (en) | Hydraulic drive self-setting bridge plug capable of being used for repeated fracturing | |
| CN211343543U (en) | Hydraulic electric control expansion mechanism | |
| CN211448605U (en) | Electric control type water plugging and sealing device | |
| CN204532258U (en) | A kind of miniature electric valve controlled for underground hydraulic pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |