CN104929593A - Intelligent water plugging yield increasing system and control method for withdrawal well - Google Patents
Intelligent water plugging yield increasing system and control method for withdrawal well Download PDFInfo
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Abstract
The invention discloses an intelligent yield increasing system for a withdrawal well. The intelligent yield increasing system comprises a portable computer, an industrial control computer, a plurality of water detecting and plugging switches and single-core cables. The portable computer and the industrial control computer are respectively arranged on the well, the water detecting and plugging switches are positioned in the well, the industrial control computer is connected with the water detecting and plugging switches by the single-core cables, the water detecting and plugging switches comprise control circuit boards, the control circuit boards are arranged in shells and comprise microcontrollers, A/D (analog/digital) converters, motor controllers and Hall sensors, and the industrial control computer comprises a microprocessor, a man-machine interface module, a communication interface module, a local power source, a signal driving module, a high-voltage power module and a received signal preprocessing module. The intelligent yield increasing system for the withdrawal well has the advantages that downhole parameters and overload conditions of motors can be respectively detected in real time, and power circuits are stable in performance; the water detecting and plugging switches and valves of the oil well can be controlled in real time according to the downhole parameters, and accordingly long-term and reliable running of the system can be guaranteed. The invention further discloses a control method for the intelligent withdrawal well.
Description
Technical field
The present invention relates to oil field and look for water-plugging technique, refer more particularly to a kind of water blockoff stimulation system and control method of intelligent withdrawal well.
Background technology
" water filling in oil reservoir, with water drive oil " is the Drainage process generally adopted in China's oil extraction in oil field engineering, and along with the increase of the oil field development time limit, reservoir is moisture to rise year by year, and interlayer interference contradiction is also more and more outstanding.For reaching the object of water and oil control, must implement to look for water blockoff measure.
So-called " looking for water blockoff " is exactly control the fluid of each oil reservoir by controlling to be arranged on the opening and closing of valve in each water blocked switch device (water blockoff increasing device) corresponding with each oil reservoir position in oil well casing, reaches and selectively exploits object that is some or certain several oil reservoir.When traditional mechanical water shut off technology is implemented, water detection, water-plugging technology need separately be carried out, need subjob again if need adjust after looking for plug water construction, therefore there is operations number many, problem great in constructing amount, efficiency is low, operating cost is high.
For addressing this problem, technician have developed and automatically controlledly looks for water shutoff technology, such as " Li Guangqian " electric-controlled mechanical looks for water shutoff technology to study " " and application number are " a kind of controlled seperated layer water injection, oil recovery, water blockoff multi-function device " disclosed in " 200820219556.X ", general principle is: dock in control device lower going-into-well with the water blocked switch device (water blockoff increasing device) of down-hole with cable, send control instruction by cable to water blocked switch device on ground, control the switch of the valve in water blocked switch device (water blockoff increasing device).Often adjust once, under just needing, enter a control device.
Usually there is following shortcoming in existing automatically controlled water-plugging technique of looking for:
1. control device be arranged on down-hole water blocked switch device (water blockoff increasing device) to be butted into power lower, and the part of joint just easily damages after using several times, and poor reliability is poor;
2, during adjustment, just need stopping production to construct, impact is produced;
3, often adjust once, a control device is entered under needs, during adjustment, need to open well head, therefore equipment and the associated device operations personnel such as crane, kill-job pump truck, waterwheel are needed, under need to employ cable reel and associated device operations personnel when entering control device, manpower and materials cost is higher, and the activity duration is also long.
4, can not measuring well downforce and state of temperature, need by entering other measuring apparatus under cable as measured, and this metering system expends more manpower and materials equally, and real-time measurement can not be realized.
In view of the above-mentioned number of drawbacks that prior art exists, the present inventor devises the present invention.
Summary of the invention
One or more in order in solving the problems of the technologies described above, present invention employs following technical scheme:
A kind of intelligent withdrawal well stimulation system, comprise and be positioned at aboveground portable computer, aboveground Industrial Personal Computer (IPC), be positioned at multiple water blocked switch device of down-hole and connect the single-core cable of Industrial Personal Computer (IPC) and water blocked switch device, water blocked switch device comprises excluder portion and automatically controlled water blockoff mechanism, excluder portion is used for shutoff oil pipe annular space and the housing of water blocked switch device is placed in oil pipe central authorities, the automatically controlled water blockoff mechanism of water blocked switch device comprises the motor be arranged in housing, spool, valve seat, pressure sensor, flow transmitter, the control circuit board of temperature pick up and control motor action and the transmission of pressure flow temperature signal collection, spool can move within the specific limits, when moving to primary importance, spool matches to close liquid pass hole with the hole at valve seat center, when spool leaves primary importance, the hole at valve seat center is opened with opened fluid apertures, above-mentioned housing comprises sealing-plug assembly, circuit board covers, motor shroud,
Above-mentioned control circuit board comprises microcontroller, A/D converter, electric machine controller, Hall element, wherein, pressure sensor, flow transmitter, temperature pick up and A/D converter communication, be sent to A/D converter by sensing result, be sent to microcontroller via A/D converter sensing result signal, microcontroller transfers to pocket computer by single-core cable after being further processed this signal;
Above-mentioned Industrial Personal Computer (IPC) comprises microprocessor, one human-machine interface module and a communication interface modules, local power supply, human-machine interface module and communication interface modules intercom mutually with microprocessor respectively, local power supply is connected with microprocessor thinks that microprocessor provides power supply, and above-mentioned Industrial Personal Computer (IPC) also comprises the signal driver module, a high-voltage power module and the Received signal strength pretreatment module that are connected with microprocessor.
A control method for intelligent withdrawal well, comprising:
Step 1, read parameter preset verifying;
Step 2, by be arranged on down-hole sensor gather downhole parameters;
Step 3, wait instruction, if receive instruction, then perform next step, if do not receive instruction, then returns step 2;
Step 4, checking command, if verification succeeds, perform next step, if verify unsuccessful, then returns step 2;
Step 5, performs instruction;
Step 6, to portable computer return instruction treatment state;
Repeated execution of steps 2 to step 6.
Pass through technique scheme, control device and water blocked switch device (water blockoff increasing device) combine, when installing water blocked switch device (water blockoff increasing device), with entering UNICOM's water blocked switch device (water blockoff increasing device) single-core cable between inner control circuit and ground Industrial Personal Computer (IPC) at present.After completion, the motor action in water blocked switch device (water blockoff increasing device) is controlled by portable computer and Industrial Personal Computer (IPC), to realize the control to threshold switch, down-hole control circuit board adopts power circuit special, resistance to elevated temperatures is good, and portable computer of the present invention and Industrial Personal Computer (IPC) can control oil well valve, and detect in real time motor and whether transship, it is one or more that the present invention at least can solve in following technical problem:
1, after installation, technician uses computer and Industrial Personal Computer (IPC), the threshold switch of random layer position under the adjust well of ground, reliable in action, and success rate is high;
2, be adjustable in manufacturing process, do not affect production;
3, only need Industrial Personal Computer (IPC) to be connected to the single-core cable terminal be fixed on well head during adjustment, just can carry out switch adjustment, omnidistance needing a people just can complete, without the need to employing miscellaneous equipment and personnel, greatly can reduce cost of production.
4, rapidly, the regulation time of every layer only needs a few minutes, a staff, and every day can adjust tens mouthfuls of wells simultaneously in adjustment, and the benefit of saving personnel and aspect of increasing work efficiency is very considerable;
5, by the pressure sensor be arranged in water blocked switch device (water blockoff increasing device) housing and the temperature sense original paper (temperature pick up) arranged on circuit boards, can at any time by the pressure and temperature data under portable computer and Industrial Personal Computer (IPC) production wells;
6, detect motor overload situation in real time, power circuit stable performance, the cable connection hermetically-sealed construction sealing effectiveness of employing is good, can guarantee that system is run reliably and with long-term.
Packer and water blocked switch device are combined into one by the present invention, simplify well site erection procedure, well site lifting operation of being more convenient for.In addition, the voltage-stabilized power supply circuit stable performance that the present invention adopts, high temperature resistant, reliability is high, is beneficial to and implements to control to looking for water blockoff to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the intelligent withdrawal well stimulation system that the embodiment of the present invention is shown.
Fig. 2 is the schematic diagram that water blocked switch device structure of the present invention is shown.
Fig. 3 is the schematic diagram that water blocked switch device general structure of the present invention is shown.
Fig. 4 is the schematic diagram of the control circuit board that the embodiment of the present invention is shown.
Fig. 5 is the schematic diagram of the voltage-stabilized power supply circuit illustrated according to the embodiment of the present invention.
Fig. 6 is the operational flowchart of the downhole component illustrated according to embodiment of the present invention.
Fig. 7 illustrates the Industrial Personal Computer (IPC) principle schematic according to the embodiment of the present invention.
Fig. 8 illustrates oil well valve control flow chart according to the preferred embodiment of the invention.
Fig. 9 is the schematic diagram of the cable connection hermetically-sealed construction that circuit board covers of the present invention adopts.
Detailed description of the invention
Describe the preferred embodiment of the present invention in detail hereinafter with reference to accompanying drawing, it should be noted that protection scope of the present invention not by the restriction of detailed description of the invention herein, but specifically limited by claim and equivalent thereof.
Hereinafter with reference to Figure of description, the preferred embodiments of the present invention are specifically described.
Fig. 1 is the structural representation of the intelligent withdrawal well stimulation system that the embodiment of the present invention is shown.
In Fig. 1, intelligent withdrawal well stimulation system of the present invention comprises and is positioned at aboveground portable computer 1, aboveground Industrial Personal Computer (IPC) 2, is connected between this portable computer 1 with Industrial Personal Computer (IPC) 2 preferably by USB; Be positioned at the multiple of down-hole to look for water blocked switch device 3 and connect Industrial Personal Computer (IPC) and the single-core cable 4 looking for water blocked switch device.Portable computer 1 for receiving, showing, store data, and can perform data operation and relevant control, and Industrial Personal Computer (IPC) 2, for being each module for power supply in down-hole and communication, looks for water blocked switch device 3 for carrying out switch to oil reservoir and water layer.
Fig. 2 is the schematic diagram that water blockoff increasing device structure of the present invention is shown, specifically describes with reference to figure 2 structure that the present invention looks for water blocked switch device 3.Look for water blocked switch device 3 mainly to comprise packer assembly 31 and automatically controlled water blockoff mechanism, wherein packer assembly is used for shutoff oil pipe annular space and will the housing of water blocked switch device is looked for be placed in oil pipe central authorities.Look for the automatically controlled water blockoff mechanism of water blocked switch device 3 preferably can comprise the motor 32 be arranged in the housing looking for water blocked switch device 3, thread bush 33, valve rod (sign), valve head (sign), valve seat 34, pressure sensor (not shown), flow transmitter (not shown), temperature pick up (not shown) and control the control circuit board 35 of motor action and the transmission of pressure flow temperature signal collection.Wherein, preferably, pressure sensor can comprise positive pressure sensor and B/P EGR Back Pressure Transducer EGR.Wherein, valve rod is threaded connection in thread bush, valve rod and valve head form spool jointly, motor can be with movable valve plug to move within the specific limits, when moving to primary importance, spool matches to close liquid pass hole 39 with the hole at valve seat center, and when spool leaves primary importance, the hole at valve seat center is opened and then opened fluid apertures.Liquid pass hole is formed in looks for water blocked switch device main body side.
Preferably, in an embodiment of the present invention, sealing-plug assembly (not shown), circuit board covers 36, motor shroud 37, spool installation sleeve 38 is also comprised in above-mentioned housing.
Preferably, all junctions of the present invention all adopt the waterproof sealing structure being provided with O RunddichtringO be threaded.Single-core cable enters circuit board covers place and O RunddichtringO also can be adopted to carry out waterproof sealing.
Usual single-core cable outside is provided with without seam steel armor layer, referred to as steel armour, single-core cable inside is the wire with insulating layer, enter circuit board covers place for making cable and can bear high pressure waterproof sealing, and meet the requirement of not twisted wire when assembling, copper ball sealing and sealing-plug seal combination preferably use by the present invention, by housing screw by copper ball crimp, reach the object of high pressure sealing, once water enters rubber sleeve outer space from steel armour or sealing ring, can fit tightly with the insulating layer crust of cable after rubber sleeve pressure-bearing, pressure is larger, fit tightr, thus realize the positiver sealing of rubber sleeve and insulating layer crust contact position.Concrete structure can see Fig. 9.Fig. 9 is the schematic diagram of the cable connection hermetically-sealed construction that circuit board covers of the present invention adopts.Particularly, cable connection hermetically-sealed construction comprises sealing-plug guard shield 91, sealing-plug cock body 92 is arranged on sealing-plug cock body mount pad 93, and is closely fixedly connected with by the first end of sealing-plug cock body mount pad and the sealing-plug guard shield right-hand member of sealing-plug guard shield (in the corresponding diagram 9).Cable connection hermetically-sealed construction also comprises the housing screw 94 being arranged in sealing-plug guard shield second end (left end of corresponding diagram 9 sealing-plug guard shield), with the copper ball 95 of housing screw and sealing-plug guard shield joint, be provided with the single-core cable of steel armour 96 through housing screw and copper ball, realize sealing the first order of control circuit board by this housing screw and this copper ball.Cable connection hermetically-sealed construction also comprises the rubber sleeve 97 between sealing-plug guard shield and control circuit board, and this rubber sleeve has the accommodation space of accommodating control circuit board.Be not provided with steel armour, only stretch into be connected to control circuit board in rubber sleeve 97 with the single-core cable of insulated wire skin 98 from copper ball 95, rubber sleeve and single-core cable close proximity are to realize sealing the second level of control circuit board.Preferably, motor shroud of the present invention also can use the above-mentioned hermetically-sealed construction shown in Fig. 9.
Fig. 3 is the schematic diagram of water blocked switch device general structure of the present invention.There is shown the facilities of water blocked switch device 3 in sleeve pipe, as seen from the figure, water blocked switch device 3 is arranged on the position corresponding from different oil reservoirs.In addition, in sleeve pipe 301, oil pipe 302 is also provided with, cable sealed joint 303, tubing anchor 304, and the tubing string end socket 305 near position, artificial bottom of a well.
Fig. 4 is the schematic diagram of the control circuit board that the embodiment of the present invention is shown.Structure and the principle of control circuit board of the present invention are described hereinafter with reference to Fig. 4.Control circuit board of the present invention comprises microcontroller 41, A/D converter 42, electric machine controller 43, Hall element 44.Wherein A/D converter 42 and microcontroller 41 communication, microcontroller 41 and electric machine controller 43 communication, electric machine controller 43 controls motor 49 executable operations, and Hall element 44 is connected between motor 49 and microcontroller 41, for monitoring flow when motor rotates forward.
Wherein, pressure sensor 45, flow transmitter 46, temperature pick up (not shown) and A/D converter communication, sensing result is sent to A/D converter, be sent to microcontroller via A/D converter sensing result signal, microcontroller transfers to pocket computer 1 by single-core cable after being further processed this signal.
Preferably, control circuit board also comprises voltage-stabilized power supply circuit 47 or battery pack.
More preferably, control circuit board adopts voltage-stabilized power supply circuit.This voltage-stabilized power supply circuit is connected with microcontroller by communication coding-decoding circuit 48, for powering for the downhole component such as control circuit board and motor, needs for corresponding assembly provides 5V according to each assembly, the voltage of 12V and/or 24V.In this preferred embodiment, communication coding-decoding circuit can be also set between voltage-stabilized power supply circuit and portable computer, or Industrial Personal Computer (IPC) self can realize the function of communication coding-decoding circuit.
Fig. 5 is the schematic diagram describing voltage-stabilized power supply circuit in the preferred embodiment for the present invention.In this preferred embodiment of the present invention, see accompanying drawing 4, voltage-stabilized power supply circuit mainly comprises J type FET J, first and second variable resistor R1, R2, one BJT pipe T1, 2nd BJT pipe T2, first and second electric capacity C1 and C2, thermo-sensitive resistor RS, wherein, the drain electrode of J type FET is connected with the colelctor electrode of input VI and T1, the source electrode of J type FET is connected with second end of the first variable resistor R1, the grid of J type FET and the first end of the first variable resistor R1, the first end of the first electric capacity C1, the colelctor electrode of T2 and the base stage of T1 connect, emitter stage and the output VO of T1, the first end of the second electric capacity C2 connects, the emitter stage of T2 is connected with the first end of thermo-sensitive resistor RS, the base stage of T2 is connected with second end of the second electric capacity C2 and the first end of the second adjustable resistance R2, second end of the first electric capacity C1, second end of thermo-sensitive resistor RS and the second end common ground of the second adjustable resistance R2.Wherein a BJT pipe T1 and the 2nd BJT pipe T2 is preferably NPN type silicone tube.Further, wherein, C2 useable resistance is replaced.
In addition, voltage-stabilized power supply circuit of the present invention also can comprise bleeder circuit (attached not shown), for according to demand for different assembly provides different voltage.
The above-mentioned power circuit resistance to elevated temperatures that the present invention preferably adopts is good, and stability is high, is particluarly suitable for extreme environment and uses, and, by the temperature-compensating adopting thermo-sensitive resistor can realize power circuit, realize automatic voltage regulation simultaneously.
Preferably, the mode of operation of down-hole of the present invention control circuit board is: pressure sensor, flow transmitter, sensing result is sent to microcontroller by temperature pick up, sensing result is sent to portable computer by microcontroller, portable computer 1 carries out comprehensively to the information received, analyze, calculate and judge, instruction is sent according to sensing result, and be sent to control circuit board by Industrial Personal Computer (IPC) 2, the instruction that control circuit board sends according to portable computer 1 produces control signal, rotated forward by motor controller controls motor or reverse, when rotating forward, driven by motor spool is stepped back, look for the opened fluid apertures of water blocked switch device 3, when reversion, driven by motor spool advances, water blocked switch device 3 is looked for close liquid pass hole.Thus, water blockoff stimulation system of looking for of the present invention can control multiple layers of position aboveground simultaneously, reaches the object of separate zone production precipitable water volume increase.
Describe in a preferred embodiment of the invention with reference to figure 6, the operation of each assembly in down-hole comprises the steps:
Start from step S1, start;
Step S2, initializes;
Step S3, reads parameter preset and verifies;
Step S4, gathers downhole parameters, testing result is sent to microcontroller preferably by each sensor examinations being arranged on down-hole, and is sent to portable computer further;
Step S5, wait instruction, this instruction is preferably sent by portable computer, if receive instruction, then performs step S6 downwards, if do not receive instruction, is then back to step S4, continues to gather downhole parameters;
Step S6, checking command, if verification succeeds, then performs step S7 downwards, if verify unsuccessful, is then back to step S4, gather downhole parameters;
Step S7, performs instruction;
Step S8, to portable computer return instruction treatment state;
Step S9, is back to step S4, gathers downhole parameters.
Fig. 7 shows Industrial Personal Computer (IPC) principle schematic of the present invention.Structure and the principle of Industrial Personal Computer (IPC) of the present invention are described hereinafter with reference to Fig. 7.Industrial Personal Computer (IPC) comprises microprocessor 71, one human-machine interface module 72 intercoms with microprocessor 71 respectively mutually with a communication interface modules 73, one local power supply 74 is connected with microprocessor 71 thinks that microprocessor 71 provides power supply, microprocessor is connected to signal driver module 75 and a high-voltage power module 76, signal driver module 75 produces corresponding drive singal according to the signal transmitted from microprocessor, and this drive singal is applied to high-voltage power module 76, the signal that high-voltage power module transmits according to microprocessor and above-mentioned drive singal perform boost operations, and export the voltage of rising to single-core cable 77.Between single-core cable and microprocessor, be connected with Received signal strength pretreatment module 78, by this Received signal strength pretreatment module, the signal transmitted from single-core cable be sent to microprocessor after pretreatment.
Fig. 8 is the flow chart illustrating that portable computer according to the preferred embodiment of the invention controls oil well valve.
If after portable computer is analyzed according to the downhole parameters gathered, need to send instruction to control oil well valve operation to Industrial Personal Computer (IPC), then preferably adopt following concrete control method:
Step S101, Industrial Personal Computer (IPC) receives switch valve instruction;
Step S102, Industrial Personal Computer (IPC) performs the judgement of switch valve instruction, closes valve, then perform step S103 if be judged as, if be judged as valve opening, then performs step S105;
Step S103, starts the motor looking for water blocked switch device;
Step S104, judges whether motor transships, if be judged as overload, then perform step S110 downwards, does not transship, then return step S103 if be judged as;
Step S105, if judged result is valve opening in step s 102, then judges that whether valve is in final position in this step, if the determination result is YES, then performs step S111 downwards, if judged result is no, then performs step S106;
Step S106, electric motor starting;
Step S107, detects position sensor of valve and starts working;
According to the testing result of position sensor of valve, step S108, judges whether valve location puts in place, if put in place, then perform step S110 downwards, if also do not put in place, then perform S109;
Step S109, judges whether motor transships, if be judged as overload, then perform step S110 downwards, does not transship, then return step S108 if be judged as;
Step S110, valve driving machine is out of service;
Step S111, is back to portable computer by valve state;
Step S112, terminates.
The intelligent withdrawal well stimulation system above-mentioned by the present invention and control method thereof, can realize detecting downhole parameters in real time, real-time detection motor overload situation, power circuit stable performance, and control in real time looking for water blocked switch device and oil well valve according to downhole parameters, can guarantee that system is run reliably and with long-term.
Although above-detailed multiple preferred embodiment of the present invention, should be appreciated that protection scope of the present invention is not limited thereto.It may occur to persons skilled in the art that and implement the present invention by other replacement means.Carrying out various modifications and variations to embodiments of the invention is all allow, and also will fall in the scope of the disclosure, accompanying drawing and claims.
Claims (10)
1. an intelligent withdrawal well stimulation system, is characterized in that, comprises and is positioned at aboveground portable computer, aboveground Industrial Personal Computer (IPC), is positioned at the multiple of down-hole and looks for water blocked switch device and connect Industrial Personal Computer (IPC) and the single-core cable looking for water blocked switch device,
Water blocked switch device is looked for comprise packer assembly and automatically controlled water blockoff mechanism, packer assembly is used for shutoff oil pipe annular space and will the housing of water blocked switch device is looked for be placed in oil pipe central authorities, the automatically controlled water blockoff mechanism of water blocked switch device is looked for comprise the motor be arranged in housing, thread bush, valve rod, valve head, valve seat, pressure sensor, flow transmitter, the control circuit board of temperature pick up and control motor action and the transmission of pressure flow temperature signal collection, valve rod is threaded connection in thread bush, valve rod and valve head form spool jointly, spool can move within the specific limits, when moving to primary importance, spool matches to close liquid pass hole with the hole at valve seat center, when spool leaves primary importance, the hole at valve seat center is opened with opened fluid apertures,
Above-mentioned control circuit board comprises microcontroller, A/D converter, electric machine controller, Hall element, wherein, pressure sensor, flow transmitter, temperature pick up and A/D converter communication, be sent to A/D converter by sensing result, be sent to microcontroller via A/D converter sensing result signal, microcontroller transfers to pocket computer by single-core cable after being further processed this signal;
Above-mentioned Industrial Personal Computer (IPC) comprises microprocessor, one human-machine interface module and a communication interface modules, local power supply, human-machine interface module and communication interface modules intercom mutually with microprocessor respectively, local power supply is connected with microprocessor thinks that microprocessor provides power supply, and above-mentioned Industrial Personal Computer (IPC) also comprises the signal driver module, a high-voltage power module and the Received signal strength pretreatment module that are connected with microprocessor.
2. intelligent withdrawal well stimulation system as claimed in claim 1, it is characterized in that, wherein control circuit board also comprises voltage-stabilized power supply circuit or battery pack.
3. intelligent withdrawal well stimulation system as claimed in claim 1, it is characterized in that, wherein control circuit board adopts voltage-stabilized power supply circuit, and this voltage-stabilized power supply circuit is connected with microcontroller, for powering for the downhole component such as control circuit board and motor by communication coding-decoding circuit.
4. intelligent withdrawal well stimulation system as claimed in claim 3, is characterized in that, wherein between voltage-stabilized power supply circuit and portable computer, also arrange communication coding-decoding circuit, or Industrial Personal Computer (IPC) self can realize the function of communication coding-decoding circuit.
5. intelligent withdrawal well stimulation system as claimed in claim 3, is characterized in that, it is characterized in that, described voltage-stabilized power supply circuit comprises J type FET, first and second variable resistor R1, R2, a BJT pipe T1,2nd BJT pipe T2, the first and second electric capacity C1 and C2, thermo-sensitive resistor RS.
6. intelligent withdrawal well stimulation system as claimed in claim 5, it is characterized in that, it is characterized in that, the drain electrode of J type FET is connected with the colelctor electrode of input VI and T1, the source electrode of J type FET is connected with second end of the first variable resistor R1, the grid of J type FET and the first end of the first variable resistor R1, the first end of the first electric capacity C1, the colelctor electrode of T2 and the base stage of T1 connect, emitter stage and the output VO of T1, the first end of the second electric capacity C2 connects, the emitter stage of T2 is connected with the first end of thermo-sensitive resistor RS, the base stage of T2 is connected with second end of the second electric capacity C2 and the first end of the second adjustable resistance R2, second end of the first electric capacity C1, second end of thermo-sensitive resistor RS and the second end common ground of the second adjustable resistance R2.
7. intelligent withdrawal well stimulation system as claimed in claim 1, it is characterized in that, wherein water filling derailing switch comprises circuit board covers, this circuit board covers adopts cable connection hermetically-sealed construction, this cable connection hermetically-sealed construction comprises sealing-plug guard shield, be arranged on the sealing-plug cock body on sealing-plug cock body mount pad, sealing-plug cock body is closely fixedly connected with the first end of sealing-plug guard shield by sealing-plug cock body mount pad
Cable connection hermetically-sealed construction also comprises the copper ball of housing screw and housing screw and the sealing-plug guard shield joint being positioned at sealing-plug guard shield second end, be provided with the single-core cable of steel armour through housing screw and copper ball, realize sealing the first order of control circuit board by this housing screw and this copper ball
Cable connection hermetically-sealed construction also comprises the rubber sleeve between sealing-plug guard shield and control circuit board, this rubber sleeve has the accommodation space of accommodating control circuit board, be not provided with steel armour, only stretch into be connected to control circuit board in rubber sleeve with the single-core cable of insulated wire skin from copper ball, rubber sleeve and single-core cable close proximity are to realize sealing the second level of control circuit board.
8. intelligent withdrawal well stimulation system as claimed in claim 1, it is characterized in that, wherein, described signal driver module produces corresponding drive singal according to the signal transmitted from microprocessor, and this drive singal is applied to high-voltage power module, the signal that high-voltage power module transmits according to microprocessor and above-mentioned drive singal perform boost operations, and export the voltage of rising to above-mentioned single-core cable, above-mentioned Received signal strength pretreatment module is connected between single-core cable and microprocessor, by this Received signal strength pretreatment module, the signal transmitted from single-core cable is sent to microprocessor after pretreatment.
9. a control method for intelligent withdrawal well, is characterized in that, comprising:
Step 1, read parameter preset verifying;
Step 2, by be arranged on down-hole sensor gather downhole parameters;
Step 3, wait instruction, if receive instruction, then perform next step, if do not receive instruction, then returns step 2;
Step 4, checking command, if verification succeeds, perform next step, if verify unsuccessful, then returns step 2;
Step 5, performs instruction;
Step 6, to portable computer return instruction treatment state;
Repeated execution of steps 2 to step 6.
10. the control method of intelligent withdrawal well as claimed in claim 9, is characterized in that, also comprises and controls oil well valve in real time, specifically comprise:
Step S101, Industrial Personal Computer (IPC) receives switch valve instruction;
Step S102, Industrial Personal Computer (IPC) performs the judgement of switch valve, closes valve, then perform step S103 if be judged as, if be judged as valve opening, then performs step S105;
Step S103, starter gate valve door motor;
Step S104, judges whether motor transships, if be judged as overload, then perform step S110 downwards, does not transship, then return step S103 if be judged as;
Step S105, if judged result is valve opening in step s 102, then judges that whether valve is in final position, if the determination result is YES, then performs step S111 downwards, if judged result is no, then performs step S106;
Step S106, valve driving machine starts;
Step S107, detects position sensor of valve and starts working;
According to the testing result of position sensor of valve, step S108, judges whether valve location puts in place, if put in place, then perform step S110 downwards, if also do not put in place, then perform S109;
Step S109, judges whether motor transships, if be judged as overload, then perform step S110 downwards, does not transship, then return step S108 if be judged as;
Step S110, valve driving machine is out of service;
Step S111, is back to portable computer by valve state; Step S112, terminates.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014367A (en) * | 2016-06-08 | 2016-10-12 | 关俊华 | Oil-water well positive colloid electrostatic field assisted profile control and flooding and water plugging method |
| CN108825180A (en) * | 2018-06-13 | 2018-11-16 | 西安奥瑞普瑞电子科技有限公司 | A kind of oil well perforation trajectory observing and controlling positioning system and its observing and controlling localization method |
| CN110857621A (en) * | 2018-08-15 | 2020-03-03 | 中国石油天然气股份有限公司 | Automatic layered water and oil extraction system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1554855A (en) * | 2003-12-20 | 2004-12-15 | 琳 陈 | Method for water searching and blocking for oil well |
| US20060027370A1 (en) * | 2004-08-06 | 2006-02-09 | Weinrich John B | Expandable injector pipe |
| CN201292826Y (en) * | 2008-11-19 | 2009-08-19 | 王鑫超 | Controllable zonal injection, oil production and water-shutoff multifunction apparatus |
| CN201546710U (en) * | 2009-11-04 | 2010-08-11 | 中国石油天然气股份有限公司 | Segmented water exploration test pipe column for casing completion horizontal well |
| CN102536154A (en) * | 2012-02-23 | 2012-07-04 | 大庆新力科技开发有限公司 | Intelligent water-plugging production-increasing device for production well and control method thereof |
| CN202348249U (en) * | 2011-11-23 | 2012-07-25 | 西安思坦仪器股份有限公司 | Underground layered oil extraction controlling device |
| CN102979487A (en) * | 2012-11-26 | 2013-03-20 | 中国石油天然气股份有限公司 | Water control process for preset cable of horizontal well |
| CN103382835A (en) * | 2013-07-25 | 2013-11-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Water exploration and plugging technology by adopting intelligent switches |
-
2015
- 2015-05-29 CN CN201510288711.8A patent/CN104929593B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1554855A (en) * | 2003-12-20 | 2004-12-15 | 琳 陈 | Method for water searching and blocking for oil well |
| US20060027370A1 (en) * | 2004-08-06 | 2006-02-09 | Weinrich John B | Expandable injector pipe |
| CN201292826Y (en) * | 2008-11-19 | 2009-08-19 | 王鑫超 | Controllable zonal injection, oil production and water-shutoff multifunction apparatus |
| CN201546710U (en) * | 2009-11-04 | 2010-08-11 | 中国石油天然气股份有限公司 | Segmented water exploration test pipe column for casing completion horizontal well |
| CN202348249U (en) * | 2011-11-23 | 2012-07-25 | 西安思坦仪器股份有限公司 | Underground layered oil extraction controlling device |
| CN102536154A (en) * | 2012-02-23 | 2012-07-04 | 大庆新力科技开发有限公司 | Intelligent water-plugging production-increasing device for production well and control method thereof |
| CN102979487A (en) * | 2012-11-26 | 2013-03-20 | 中国石油天然气股份有限公司 | Water control process for preset cable of horizontal well |
| CN103382835A (en) * | 2013-07-25 | 2013-11-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Water exploration and plugging technology by adopting intelligent switches |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014367A (en) * | 2016-06-08 | 2016-10-12 | 关俊华 | Oil-water well positive colloid electrostatic field assisted profile control and flooding and water plugging method |
| CN106014367B (en) * | 2016-06-08 | 2020-09-08 | 关俊华 | Oil-water well positive electricity gel electrostatic field auxiliary profile control, flooding and water plugging method |
| CN108825180A (en) * | 2018-06-13 | 2018-11-16 | 西安奥瑞普瑞电子科技有限公司 | A kind of oil well perforation trajectory observing and controlling positioning system and its observing and controlling localization method |
| CN110857621A (en) * | 2018-08-15 | 2020-03-03 | 中国石油天然气股份有限公司 | Automatic layered water and oil extraction system |
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|---|---|
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