CN105756635B - A kind of water injection well intelligent radio water dispensing apparatus - Google Patents

A kind of water injection well intelligent radio water dispensing apparatus Download PDF

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Publication number
CN105756635B
CN105756635B CN201610269675.5A CN201610269675A CN105756635B CN 105756635 B CN105756635 B CN 105756635B CN 201610269675 A CN201610269675 A CN 201610269675A CN 105756635 B CN105756635 B CN 105756635B
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control panel
communication
water
water injection
guide way
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CN105756635A (en
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于世江
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于世江
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/20Displacing by water
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

A kind of water injection well intelligent radio water dispensing apparatus, it is characterized by: carrying the organic cooperation of wireless transmission of the communication control panel circuit of the communication unit of total flow metering and the communication control panel circuit of the fixed seperated layer water injection intelligent watering unit in underground by the mobile suspension type of pit shaft, under down-hole high pressure hot environment, the size of the SCM system control motor control panel circuit switch water nozzle of the fixed seperated layer water injection intelligent watering unit of communication unit and underground, transmission data are carried out by wireless communication, to with flow and pressure acquisition storage, the driving and overcurrent protection of motor are controlled, realize the accuracy controlling freely to layered waterflooding quantity.

Description

A kind of water injection well intelligent radio water dispensing apparatus
Technical field
The present invention relates to a kind of water injection well intelligent radio water dispensing apparatus, belong to oil field development and fill the water field.
Background technique
In the middle and later periods of oil extraction in oil field, the pressure of oil reservoir is gradually reduced, when the pressure of oil reservoir drops below the full of oil gas When with pressure, the efficiency of recovery of crude oil will be seriously affected, improves production efficiency frequently with the method for displacement of reservoir oil by filling water at this time.By Heterogeneous shape in stratum, each stratum need water injection rate different different times, and commingled water injection is obviously not all right, for adjustment Interlayer contradiction, control crude oil water containing rise, and improve oil recovery factor, carry out seperated layer water injection to multi-pay oil field.
The fixed water nozzle of original adoption, this dispensing mode need launch-work blanking plug repeatedly and replacement water nozzle, average individual well The time for replacing water nozzle needs 4~6 days, large labor intensity and time-consuming.With the development of technology, adjustable stopper replaces Fixed water nozzle, saves the time.This mode is that the blanking plug and downhole probe mechanical arm of underground are completed by mechanical structure Docking, thus control aperture of water nozzle realize water distribution automatic adjustment.Current this adjustable injection well downhole flow regulator improves test effect Rate shortens test and allotment time, but still remains shortcomings:
1. the reliability of mechanical structure is not high in the particular surroundings of water injection well;
2. the problems such as long-term injecting water is with fouling, corrosion, often occurs being hampered, meets card, can not throw during causing survey to adjust Situations such as pulling out water filling fuse;
3. test passes rate is low, measuring accuracy error is big, can not accomplish finely to fill the water to the water filling layer of small injection rate;
4. each layer water suction situation cannot be grasped at any time.
Current major oil companies several in the world such as Anomalous character company, Bake Hughes and Schlumberger have in smart well Developed, especially Bake Hughes realizes that wireless communication technique is gained ground in underground.With the high speed of China's wireless communication technique Development, people are gradually conceived to the research to the wireless communication technique of underground.And high-moisture has been arrived in China's oil exploitation Period, each oil field also increasingly focus on the improvement of secondary recovery technology, wireless communication technique are applied in the injection allocation of water injection rate, The efficiency that water filling can more effectively be improved, reaches stable injecting enough water, injecting good water, to improve the recovery ratio of crude oil.
Based on the above situation, project verification develop a kind of injection well downhole flow regulator of intelligent wireless survey tune one, by wireless communication Mode realizes the communication of adjustable stopper and downhole probe, carries out data transmission, has to take the lead in developing at home Has intelligent watering system with broad prospects for development.
Summary of the invention
The object of the present invention is to provide a kind of water injection well intelligent radio water dispensing apparatus, real under down-hole high pressure hot environment Technology carries out transmission data by wireless communication between existing downhole probe SCM system and single-chip microcontroller control electric system;It realizes Intelligent testing water flow regulator water yield control system is controlled, flow and pressure acquisition storage, motor driven and overcurrent protection are real Now to the regulation of water injection rate;
The technical scheme is that following manner was realized:
Intelligently matched by the communication unit that the mobile suspension type of pit shaft carries total flow metering with the fixed seperated layer water injection in underground The organic cooperation of the wireless transmission of water unit, under down-hole high pressure hot environment, the fixed seperated layer water injection intelligence of communication unit and underground The size of the SCM system control electric system switch tap of energy water dispensing unit, carries out transmission data by wireless communication, right Flow and pressure acquisition storage, control the driving and overcurrent protection of motor, realize to the freely accurate of layered waterflooding quantity Regulation.
The communication unit it is bottom-up include radio receiving transmitting module, with transceiver module by fixed link, seal assembly and The fixed fixed cylinder of locking nut, the communication tubing string being threadedly coupled with fixed cylinder, the chovr body being connect with communication tube male screw and The suspension of battery sleeve, the flowmeter that set electromagnetic flowmeter certainly or other being threadedly coupled with battery sleeve that chovr body is threadedly coupled Head;It is equipped with battery in battery sleeve, is equipped with communication control panel in communication tubing string.
The battery sleeve is set as cylindrical, and upper and lower side is equipped with box thread, has battery carrier on middle part.
The communication tubing string is set as cylindrical, and upper and lower side is equipped with box thread, has communication control panel fixed frame on middle part, Fixed frame is equipped with communication control panel, is equipped with communicating hole at upper lower fixed frame center.
The fixed cylinder is set as cylindrical, and top is equipped with male thread, and lower end surface center is equipped with the bayonet of radio receiving transmitting module, Center is equipped with the centre bore of fixed wireless transceiver module, and upper surface center is equipped with the lock nut with centre bore, in wireless receiving and dispatching Center is pushed up in module and is equipped with fixed link, and fixed link is tightly connected by two seals part and lock nut.
The fixed seperated layer water injection intelligent watering unit in underground includes that top connection and top connection internal screw thread connect from up to down The upper guide way that connects, the upper joint sleeve being connect with top connection external screw thread, the eccentric pipe being connect with upper guide way internal screw thread, with upper company Female connector internal screw thread connection main body, connect with main body external screw thread lower joint sleeve, connect with lower joint sleeve internal screw thread lower contact, Lower guide way that is being connect with eccentric pipe lower end external screw thread and being located inside lower joint sleeve and being connect with lower contact internal screw thread;? The top of annular space between upper joint sleeve and eccentric pipe is equipped with battery cavities, and the eccentric pipe of middle part side is equipped with communication control Plate and motor control panel, on the eccentric pipe between the main body of the annular space between lower joint sleeve and eccentric pipe and lower guide way Equipped with water outlet, in the main body ipsilateral with motor control panel from the top down be equipped with motor, be connected with motor shaft shaft coupling, lead to Cross Coupling Shaft that fixed body and bearing be connected with shaft joint, the lead screw being fixedly linked with Coupling Shaft, the silk being connected with threads of lead screw Thick stick set, the screw set valve pocket connected by the dynamic cooperation of sealing element;Valve pocket lower end is communicated with water outlet, in the upper lateral of valve pocket Equipped with the water nozzle by spring and spool control, water nozzle is connected with apopore set in main body;Lower joint sleeve and eccentric pipe it Between annular space in be equipped with radio receiving transmitting module.
The upper guide way and lower guide way are set as symmetrical cylinder, are equipped with the loudspeaker of relatively axis in upper and lower part The eccentric orfice of mouth formula and cylindrical eccentric hole, bell-mouthed periphery be equipped with male thread, cylindrical eccentric hole inner circumferential and Periphery is equipped with sealing ring.
The main body is set as cylindrical, and upper and lower part is equipped with male thread, and the lower end surface of upper surface is equipped with concentric bias Hole is equipped with a circular hole in upper surface to the lower end surface of wall thickness side, and the middle and lower part diameter of circular hole is less than middle and upper part diameter, lower part Diameter is greater than middle and lower part diameter and is less than middle and upper part diameter, motor is equipped with by sequence from the top down in the circular hole of middle and upper part, with motor shaft Connected shaft joint, the Coupling Shaft being connected by fixed body and bearing with shaft joint, the lead screw and silk being fixedly linked with Coupling Shaft Valve pocket in the connected screw set of thick stick screw thread, the lower part circular hole being connected with screw set by the sealing element in the circular hole of middle and lower part;
The communication control panel circuit of the communication unit includes that CPU processing circuit, power-supplying circuit, RS232 serial ports are logical Believe that circuit, ultrasonic wave send modulation circuit, ultrasonic wave receiving demodulation circuit;CPU processing circuit uses single-chip microcontroller For ATMEGA1284P-AU as control operation chip, ATMEGA1284P is a high-performance, 8 AVR single chips of low-power consumption, Equipped with advanced risc architecture, totally 32 8 general purpose working registers, 131 instructions are controlled on operation chip comprising 128K word The programmable FLASH program memory of section, the SROM of the EEPROM and 16K byte of 4K byte;By JTAG (1149.1 standard of IEEE It is compatible) interface support control operation chip debugging, by jtag interface to Flash, EEPROM, Fuses, Lock Bits programming; There are six the channels PWM by ATMEGA1284P, data-signal are sent using the channel PWM, by wireless receiving and dispatching mould after data-signal is modulated Block I is converted into ultrasonic signal and is sent to downhole intelligent injection well downhole flow regulator;ATMEGA1284P set there are two have independent pre-divider and 8 bit timings of comparison pattern/counter, two have independent pre-divider, 16 bit timings/meter of comparing function and capture function Number device handles the signal after demodulation using 16 bit timings/counter capture function, calculates through ATMEGA1284P single-chip microcontroller Related data, and data are performed corresponding processing.
The circuit of the motor control panel of the fixed seperated layer water injection intelligent watering unit in underground include anode voltage, Adjusting circuit, triode, diode, capacitor, resistance between battery cathode voltage, cathode voltage and cathode voltage, wherein MA, MB connects the positive and negative anodes of direct current generator, and MGV+ connects+24V voltage, and when the voltage of the voltage of K2 ratio K3 is high, motor is rotated forward;Conversely, electric Machine reversion.
The major advantage that the present invention has:
1. avoiding unreliability dock between downhole probe and blanking plug using mechanical structure, improve efficiency, reduction at This;
2. non-contacting communication mode has good making downhole probe when not reaching injection allocation layer accurately with injection well downhole flow regulator Data transmission;
3. it is adaptable, original technology is carried out on the parameter basis for not changing existing hierarchical testing technology and process pipe string Extension and development;
4. fine water filling, improves the precision of current test technology.
Detailed description of the invention
Communication unit principle schematic diagram Fig. 1-of the invention.
The structural schematic diagram of the fixed seperated layer water injection intelligent watering unit in Fig. 2-underground
The partial enlargement diagram of the fixed seperated layer water injection intelligent watering unit in Fig. 3-underground
The schematic cross-section of A-A in Fig. 4-Fig. 3
Fig. 5-communication unit communication control panel circuit diagram
The power supply circuit schematic diagram of Fig. 6-communication unit communication control panel
The RS232 serial communication circuit schematic diagram of Fig. 7-communication unit communication control panel
The ultrasonic wave of Fig. 8-communication unit communication control panel sends modulation circuit schematic diagram
The amplifying circuit schematic diagram of the filter of Fig. 9-communication unit communication control panel
The circuit for controlling motor of the fixed seperated layer water injection intelligent watering unit in Figure 10-underground
1- radio transceiver chip I, 2- fixed cylinder, 3- seal assembly, 4- locking nut, 5- communication tubing string, 6- are logical in Fig. 1 Believe control panel, 7- chovr body, 8- battery sleeve, 9- battery, 10- hanging head.
11- top connection, the upper guide way of 12-, 13- upper joint sleeve, 14- annular space, 15- battery cavities, 16- in Fig. 2,3,4 Eccentric pipe, 17- communication control panel, 18- motor control panel, 19- motor, 20- motor fixture, 21- shaft joint, 22- Coupling Shaft, 23- Coupling Shaft fixing piece, 24- bearing, 25- lead screw, 26- screw set, 27- valve pocket, 28- one-way valve seat, 29- main body, 30- gear Block, 31- inner elements of check valve, 32- spring, 33- radio receiving transmitting module II, 34- water nozzle, a- spool bore, b- water outlet.
Specific embodiment
Further to disclose technical solution of the present invention, with reference to the accompanying drawing to structural principle and working principle of the invention It is described in further detail:
Intelligently matched by the communication unit that the mobile suspension type of pit shaft carries total flow metering with the fixed seperated layer water injection in underground The organic cooperation of the wireless transmission of water unit, under down-hole high pressure hot environment, the fixed seperated layer water injection intelligence of communication unit and underground The size of the SCM system control electric system switch tap of energy water dispensing unit, carries out transmission data by wireless communication, right It is stored with flow and pressure acquisition, the driving and overcurrent protection of motor is controlled, realized to layered waterflooding quantity freely Accuracy controlling.
As shown in Figure 1: the communication unit it is bottom-up include radio receiving transmitting module 1, with transceiver module by fixed link, The fixed fixed cylinder 2 of seal assembly 3 and locking nut 4, the communication tubing string 5 being threadedly coupled with fixed cylinder 2 and communication tube male screw The chovr body 7 of connection, the battery sleeve 8 being threadedly coupled with chovr body, be threadedly coupled with battery sleeve set certainly electromagnetic flowmeter or The hanging head 10 of other flowmeters;It is equipped with battery 9 in battery sleeve, is equipped with communication control panel 6 in communication tubing string.
It is as shown in Figure 2,3, 4: the fixed seperated layer water injection intelligent watering unit in underground include from up to down top connection 11, The upper guide way 12 that is connect with top connection internal screw thread, the upper joint sleeve 13 being connect with top connection external screw thread, in upper guide way 12 The eccentric pipe 16 of threaded connection, the main body 29 being connect with upper joint sleeve internal screw thread, the lower joint sleeve 36 being connect with main body external screw thread, The lower contact 37 that is connect with lower joint sleeve internal screw thread, connect with eccentric pipe lower end external screw thread and be located inside lower joint sleeve with The lower guide way 35 of lower contact internal screw thread connection;The top of annular space 14 between upper joint sleeve and eccentric pipe is equipped with battery The eccentric pipe of chamber 15, middle part side is equipped with communication control panel 17 and motor control panel 18, between lower joint sleeve and eccentric pipe Annular space main body and lower guide way between eccentric pipe be equipped with water outlet b, in the main body ipsilateral with motor control panel On be equipped with motor 19 from the top down, the shaft joint 21 that is connected with motor shaft, pass through fixed body 23 and bearing 24 and be connected with shaft joint Coupling Shaft 22, be fixedly linked with Coupling Shaft lead screw 25, be connected with threads of lead screw screw set 26, with screw set pass through sealing The connected valve pocket 27 of the dynamic cooperation of part;Valve pocket lower end is communicated with water outlet b, is equipped in the spool bore a in the upper lateral of valve pocket The water nozzle 34 controlled by spring 32 and spool 31, water nozzle 34 are communicated with water outlet b set in main body;In lower joint sleeve and bias Radio receiving transmitting module 33 is equipped in annular space between pipe.The communication unit of total flow metering is carried by the mobile suspension type of pit shaft The organic cooperation of wireless transmission of member and the fixed seperated layer water injection intelligent watering unit in underground is led under down-hole high pressure hot environment Believe the size of the SCM system control electric system switch tap of unit and the fixed seperated layer water injection intelligent watering unit in underground, Transmission data are carried out by wireless communication, and to flow and pressure acquisition storage, driving and overcurrent protection to motor are carried out The accuracy controlling freely to layered waterflooding quantity is realized in control.
As shown in Figure 5: the communication control panel of the communication unit includes CPU processing circuit, power-supplying circuit, RS232 Serial communication circuit, ultrasonic wave send modulation circuit, ultrasonic wave receiving demodulation circuit;CPU processing circuit uses single-chip microcontroller For ATMEGA1284P-AU as control operation chip, ATMEGA1284P is a high-performance, 8 AVR single chips of low-power consumption, Equipped with advanced risc architecture, totally 32 8 general purpose working registers, 131 instructions are controlled on operation chip comprising 128K word The programmable FLASH program memory of section, the SROM of the EEPROM and 16K byte of 4K byte;By JTAG (1149.1 standard of IEEE It is compatible) interface support control operation chip debugging, by jtag interface to Flash, EEPROM, Fuses, Lock Bits programming; There are six the channels PWM by ATMEGA1284P, data-signal are sent using the channel PWM, by wireless receiving and dispatching mould after data-signal is modulated Block I is converted into ultrasonic signal and is sent to downhole intelligent injection well downhole flow regulator;ATMEGA1284P set there are two have independent pre-divider and 8 bit timings of comparison pattern/counter, two have independent pre-divider, 16 bit timings/meter of comparing function and capture function Number device handles the signal after demodulation using 16 bit timings/counter capture function, calculates through ATMEGA1284P single-chip microcontroller Related data, and data are performed corresponding processing.
As shown in Figure 10: the circuit of the motor control panel of the fixed seperated layer water injection intelligent watering unit in underground includes electricity Adjusting circuit, triode, diode, capacitor between pond cathode voltage, battery cathode voltage, cathode voltage and cathode voltage, Resistance, wherein MA, MB connect the positive and negative anodes of direct current generator, and MGV+ connects+24V voltage, when the voltage of the voltage of K2 ratio K3 is high, motor It rotates forward;Conversely, motor reversal.
If+24V the power supply that outside provides is converted into+5V power supply using LM2596T5.0 by Fig. 6 power-supplying circuit, pass through It powers after a series of filtering to single-chip microcontroller and other circuits.LM2596T5.0 regulator is that step down supplies management is single Piece integrated circuit, can export the driving current of 3A, while have linear and load regulation characteristic well.The device inside collection At frequency compensation and fixed frequency generator, switching frequency 150KHz can be used more compared with low frequency switch adjuster The filter element of small dimension.Since the device only needs 4 outward elements, general standard inductance can be used, this is more optimized The use of LM2596 greatly simplifies the design of switching power circuit.
As shown in Figure 7: RS232 serial communication circuit is the main electricity that communication unit and host computer carry out data exchange on well Road, using MAX232 chip, traffic rate 115200bps, 8 data bit.Mainly each layer water injection parameter is carried out with host computer Transmission.
As shown in Figure 8: ultrasonic wave receiving demodulation circuit: radio receiving transmitting module I is born instead after receiving signal through two-stage multichannel It is f that feedback second order active bandpass filter, which obtains centre frequency,cThe waveform signal of (i.e. the frequency of radio receiving transmitting module I).
Enable C66=C67=C, ReqIt is R39And R38Value in parallel, R3=R42
It is as shown in Figure 9: to need to adjust the times magnification of bandpass filter in practical applications according to communication distance and environment Number.Amplification factor should not be too large, because power supply disturbance is also amplified bigger when amplification factor is bigger.
The communication control panel 17 of communication unit is connect by RS232 serial ports with host computer, to the communication control of communication unit Making sheet 6 is powered, and host computer sends each layer water injection parameter to the communication control panel 6 of communication unit.The communication control panel of communication unit Single-chip microcontroller store each layer water injection parameter after power off, disconnect the connection with host computer, be powered to the communication control panel of communication unit And it is connect with flowmeter.It goes into the well to allotment layer, communication control panel 6 generates modulation letter according to the host computer water injection parameter of storage at this time Number, ultrasonic signal is converted by radio receiving transmitting module I and is sent to communication control panel 17, communication control panel 17 is by wirelessly receiving Hair module II receives ultrasonic signal and is converted into electric signal, and communication control panel 17 is by the methods of filtering, amplification conversion Electric signal afterwards, which is demodulated to, can handle signal, and the CPU of communication control panel 17 is counted as the corresponding water filling of each layer that can handle signal solution Parameter realizes the adjusting of water nozzle 34 according to water injection parameter control 19 positive and negative rotation of motor calculated.After the completion of each layer water filling is adjusted Detect the working condition of injection well downhole flow regulator by flowmeter, and each layer in underground enrolled into data feedback to host computer, as with to be filled the water Amount deviates, and re-types data and carries out water nozzle adjusting again.

Claims (5)

1. a kind of water injection well intelligent radio water dispensing apparatus, including communication unit, the fixed seperated layer water injection intelligent watering unit in underground, It is characterized by: it includes radio receiving transmitting module that the communication unit is bottom-up, pass through fixed link, sealing group with transceiver module The fixed cylinder that part and locking nut are fixed, the communication tubing string being threadedly coupled with fixed cylinder, the switching being connect with communication tube male screw Body, the battery sleeve being threadedly coupled with chovr body, the flowmeter that set electromagnetic flowmeter certainly or other being threadedly coupled with battery sleeve Hanging head;It is equipped with battery in battery sleeve, is equipped with communication control panel in communication tubing string;The fixed seperated layer water injection intelligence in underground Can water dispensing unit from up to down include top connection, the upper guide way being connect with top connection internal screw thread, connect with top connection external screw thread Upper joint sleeve, connect with upper guide way internal screw thread eccentric pipe, connect with upper joint sleeve internal screw thread main body, with the outer spiral shell of main body Line connection lower joint sleeve, connect with lower joint sleeve internal screw thread lower contact, connect with eccentric pipe lower end external screw thread and be located at Lower guide way that is inside lower joint sleeve and being connect with lower contact internal screw thread;Annular space between upper joint sleeve and eccentric pipe Top be equipped with battery cavities, on the eccentric pipe of the middle part side of annular space be equipped with communication control panel and motor control panel, Eccentric pipe between the main body of annular space between lower joint sleeve and eccentric pipe and lower guide way is equipped with water outlet, with electricity Be equipped with motor from the top down in the ipsilateral main body of machine control panel, the shaft joint that is connected with motor shaft, pass through fixed body and bearing and The connected Coupling Shaft of shaft joint, the screw set being connected with threads of lead screw, passes through with screw set the lead screw being fixedly linked with Coupling Shaft The connected valve pocket of the dynamic cooperation of sealing element;Valve pocket lower end is communicated with water outlet, is equipped in the upper lateral of valve pocket by spring and valve The water nozzle of core control, water nozzle are connected with apopore set in main body;In annular space between lower joint sleeve and eccentric pipe Equipped with radio receiving transmitting module.
2. a kind of water injection well intelligent radio water dispensing apparatus according to claim 1, it is characterised in that: the battery sleeve is set as Cylinder, top and bottom are equipped with box thread, and the top and bottom at middle part are equipped with battery carrier.
3. a kind of water injection well intelligent radio water dispensing apparatus according to claim 1, it is characterised in that: the communication tubing string is set For cylinder, upper and lower side is equipped with box thread, sets in middle part top and bottom there are two communication control panel fixed frame, communicates at two Control panel fixed frame is equipped with one piece of communication control panel, is equipped with communicating hole at upper and lower communication control panel fixed frame center.
4. a kind of water injection well intelligent radio water dispensing apparatus according to claim 1, it is characterised in that: the upper guide way and Lower guide way is set as symmetrical cylinder, is equipped with the eccentric orfice of relatively axis horn mouth formula, lower part on the top of upper guide way Cylindrical eccentric hole equipped with relatively axis;It is equipped with the cylindrical eccentric hole of relatively axis on the top of lower guide way, lower part is set There is the eccentric orfice of relatively axis horn mouth formula;It is equipped with male thread in the bell-mouthed periphery of upper guide way, in cylindrical eccentric hole Inner periphery and the outer periphery be equipped with sealing ring;It is equipped with male thread in the bell-mouthed periphery of lower guide way, in cylindrical eccentric hole Week and periphery are equipped with sealing ring.
5. a kind of water injection well intelligent radio water dispensing apparatus according to claim 1, it is characterised in that: the main body is set as round Cylindricality, upper and lower part be equipped with male thread, upper surface to lower end surface be equipped with concentric eccentric orfice, wall thickness side upper surface extremely Lower end surface is equipped with a circular hole, and the lower diameter of circular hole is greater than mid diameter, and mid diameter is less than upper diameter, in circular hole Be equipped with motor from the top down, the shaft joint that is connected with motor shaft, the Coupling Shaft being connected with shaft joint by fixed body and bearing and Lead screw that Coupling Shaft is fixedly linked, the screw set being connected with threads of lead screw, the valve being connected with screw set by the dynamic cooperation of sealing element Set.
CN201610269675.5A 2016-04-27 2016-04-27 A kind of water injection well intelligent radio water dispensing apparatus Active CN105756635B (en)

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Publication number Priority date Publication date Assignee Title
CN105863584B (en) * 2016-04-27 2018-11-27 于世江 A kind of intelligent radio water distribution system

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CN204804794U (en) * 2015-02-17 2015-11-25 赵华 Eccentric remote intelligent water injection mandrel, intelligent seperated layer water injection tubular column and intelligent remote control and measurement device
CN105201469A (en) * 2015-09-21 2015-12-30 哈尔滨博华科技有限公司 Wireless communication type water injection well layered injection allocation device and water injection well cable-free injection allocation system
CN105863584A (en) * 2016-04-27 2016-08-17 于世江 Intelligent wireless water distributing system

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CN103362486A (en) * 2012-04-05 2013-10-23 中国石油天然气股份有限公司 Digital underground layering water injection testing and adjusting process pipe column and operation method thereof
CN203145910U (en) * 2013-03-30 2013-08-21 徐健 Super-short intelligent water distributor
CN104047583A (en) * 2014-07-10 2014-09-17 中国石油化工股份有限公司 Underground magnetic control electric water distributor and control method thereof
CN104500009A (en) * 2014-12-22 2015-04-08 中国石油天然气股份有限公司 Digital intelligent control system for separated injection
CN204804794U (en) * 2015-02-17 2015-11-25 赵华 Eccentric remote intelligent water injection mandrel, intelligent seperated layer water injection tubular column and intelligent remote control and measurement device
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CN105201469A (en) * 2015-09-21 2015-12-30 哈尔滨博华科技有限公司 Wireless communication type water injection well layered injection allocation device and water injection well cable-free injection allocation system
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