CN201236698Y - Electronic down-hole well closing device - Google Patents
Electronic down-hole well closing device Download PDFInfo
- Publication number
- CN201236698Y CN201236698Y CNU2008200297889U CN200820029788U CN201236698Y CN 201236698 Y CN201236698 Y CN 201236698Y CN U2008200297889 U CNU2008200297889 U CN U2008200297889U CN 200820029788 U CN200820029788 U CN 200820029788U CN 201236698 Y CN201236698 Y CN 201236698Y
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- Prior art keywords
- triode
- oxide
- metal
- semiconductor
- motor
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Abstract
The utility model discloses an electronic type downhole shut-in device, which comprises an external pile casing, an electronic pile casing, an upper connector joint, a lower connector joint, a push rod, rotary lead screws, a motor, a battery and a circuit board, wherein, the external pile casing is in fixed vertical connection with the electronic pile casing through an intermediate connector joint; the push rod is inserted from the middle part of the intermediate connector joint into the external pile casing; the rotary lead screws which are used for driving the push rod to move up and down are arranged in the electronic pile casing from top to bottom in sequence; the motor is used for driving the rotary lead screws; a single-chip which is used for controlling the motor, an open-shut in time timing circuit which is connected with the single-chip, a motor positive and negative rotation control circuit and a voltage translation circuit are mounted on the circuit board; a liquid inlet hole is formed on the side wall of the external pile casing; and a barrel-shaped sliding sleeve which is used for unblanking and closing up the liquid inlet hole is fixedly sleeved on the push rod. The downhole shut-in device has the advantages of simple structure, convenient operation and high reliability, and can not only reduce the using times of ground dynamic and the development cost of oil field, but also realize the repeated action process of downhole shutting-in and opening.
Description
Technical field
The utility model relates to oil reservoir and stops well surveying pressure technical field, especially relates to a kind of electronic type downhole closing device.
Background technology
Along with the large tracts of land exploitation of oil reservoir, the size of crude oil daily output is increasing to the influence of crude oil production, presses and often need stop well surveying in the crude oil production process.The conventional pressure measurement mode of tradition mainly contains test modes such as tail pipe, annular space, a pump, but when adopting above-mentioned test mode to carry out pressure measurement to stop well, required time is all long, generally need 2-3 month, thereby it is big to the influence of crude output, especially in science and technology growing today, this contradiction becomes increasingly conspicuous.
In the practice, in order further to explore the manometric technique of oil reservoir, each oil field researcher is by a large amount of investigation, carried out a series of technological demonstration repeatedly, improve gradually and supporting a kind of downhole closing pressure measurement technology of suitable actual conditions, the pass well tool in this technology adopts packer to finish.But still there is certain defective in this technology: 1, closing well process complexity needs secondary power and reliability not high; 2, can not freely drive a well repeatedly, closing well.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of electronic type downhole closing device is provided, it is simple in structure, easy to operate and reliability is high, when reducing ground power access times, reducing the oil field development cost, the perseveration process that also realized downhole closing, drives a well.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of electronic type downhole closing device, it is characterized in that: comprise the outer casing and the electronics casing that are fixed together up and down by middle jointing, be fixed on the last jointing of outer casing upper end, be fixed on the following jointing of electronics casing lower end, push rod outside insert at middle jointing middle part in the casing, and be installed in the rotating threaded shaft that the drive push rod in the electronics casing moves up and down from top to bottom successively, motor, battery and wiring board that rotating threaded shaft is driven; The switch well time timing circuit that single-chip microcomputer that motor is controlled is installed on the described wiring board, joins with single-chip microcomputer, the motor positive inversion control circuit that motor is controlled and the voltage conversion circuit that the voltage of battery is changed; The sidewall of described outer casing is provided with inlet opening, and suit is fixed with a barrel-shaped sliding sleeve that is used for the open and close inlet opening on the described push rod.
Be connected by the slide block assembly between described push rod and rotating threaded shaft.
Be connected by the roll extrusion bearing assembly between described rotating threaded shaft and motor.
Described single-chip microcomputer is chip ADuC832BS.
Described switch well time timing circuit is the time fork shift switch to be set.
Described voltage conversion circuit is chip H78L05.
Described motor positive inversion control circuit comprises joining with motor forms four metal-oxide-semiconductor Q of H bridge
9, Q
10, Q
7And Q
8, respectively with four metal-oxide-semiconductors mutually and four diode D that connect
1, D
2, D
4And D
3And four triode Q
5, Q
6, Q
1And Q
2, described triode Q
6Respectively with triode Q
5With two metal-oxide-semiconductor Q
9, Q
8Join described triode Q
1Respectively with triode Q
2With two metal-oxide-semiconductor Q
10, Q
7Join the output pin P of chip ADuC832BS
0.2And P
0.1Respectively with triode Q
5And Q
2Join.
Described metal-oxide-semiconductor Q
9And Q
7Be IRF9640, the drain electrode of the two all connects+the 12V power supply; Metal-oxide-semiconductor Q
10And Q
8Be IRF640, the source grounding of the two; Metal-oxide-semiconductor Q
9Source electrode and metal-oxide-semiconductor Q
10Drain electrode all connect the positive pole of motor (9), metal-oxide-semiconductor Q
7Source electrode and metal-oxide-semiconductor Q
8Drain electrode all connect the negative pole of motor (9);
Four triode Q
5, Q
6, Q
1And Q
2Be S8050; Triode Q
6Colelctor electrode through resistance R
8After meet metal-oxide-semiconductor Q
9Grid, triode Q
6Emitter stage and base stage respectively with metal-oxide-semiconductor Q
8Drain electrode and triode Q
5Colelctor electrode join triode Q
5Base stage meet the output pin P of chip ADuC832BS
0.2Triode Q
1Colelctor electrode through resistance R
10After meet metal-oxide-semiconductor Q
7Grid, triode Q
1Emitter stage and base stage respectively with metal-oxide-semiconductor Q
10Drain electrode and triode Q
2Colelctor electrode join triode Q
2Base stage meet the output pin P of chip ADuC832BS
0.1
It is SW DIP-8 that the described time is provided with the fork shift switch, its output port 1-8 respectively with the pin P of chip H78L05
2.0-P
2.7Join; The pin P of chip H78L05
2.0-P
2.7After drawing voltage on the resistance, connect a positive voltage respectively.
Described wiring board is installed on the board holder of battery below.
The utility model compared with prior art has the following advantages, and 1, it is simple in structure and easy to operate; 2, design the barrel-shaped sliding sleeve that barrel-shaped valve mechanism is a push rod middle part suit, made that the valve line shaft is that the resistance of push rod is not subjected to environment stress and changes, finally realized pass, the electronics down-hole device in the all-pass footpath that operating pressure does not change with well depth and well temperature; 3, reduce ground power access times, reduced the Oilfield developing cost; 4, downhole closing, the repetitive process that drives a well have been realized, for developmental research novel process in the oil field provides technical condition and equipment guarantee; 5, reliability height is applicable to the cased well formation testing of oil exploration formation testing field tests, particularly carries out formation testing in high temperature high pressure deep well.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is the schematic block circuit diagram of the utility model motor and control circuit thereof.
Fig. 3 is the circuit theory diagrams of the utility model power supply.
Fig. 4 is the circuit theory diagrams that the utility model single-chip microcomputer and time the fork shift switch are set.
Fig. 5 is the circuit theory diagrams of the utility model motor and motor positive inversion control circuit.
Description of reference numerals:
1-upward jointing; 2-outer casing; 3-middle jointing;
4-electronics casing; 5-push rod; 6-barrel-shaped sliding sleeve;
7-slide block assembly; 8-rotating threaded shaft; 9-motor;
10-battery; 11-circuit panel seat; 12-following jointing;
13-inlet opening; 14-roll extrusion bearing assembly; 15-power unit;
16-single-chip microcomputer; 17-time is provided with the fork shift switch; The control of 18-motor positive and inverse
The road;
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model comprise outer casing 2 and electronics casing 4, the last jointing 1 that is fixed on outer casing 2 upper ends that is fixed together up and down by middle jointing 3, the following jointing 12 that is fixed on electronics casing 4 lower ends, the push rod 5 in outer casing 2 is inserted at middle jointing 3 middle parts and be installed in rotating threaded shaft 8 that electronics casing 4 interior drive push rods 5 move up and down from top to bottom successively, to motor 9, battery 10 and wiring board that rotating threaded shaft 8 drives, described wiring board is installed on the board holder 11 of battery 10 belows.Wherein, 8 of push rod 5 and rotating threaded shafts are connected by slide block assembly 7, and 9 in rotating threaded shaft 8 and motor are connected by roll extrusion bearing assembly 14.In addition, the sidewall of described outer casing 2 is provided with inlet opening 13, and suit is fixed with a barrel-shaped sliding sleeve 6 that is used for open and close inlet opening 13 on the described push rod 5.
In conjunction with Fig. 2, the switch well time timing circuit that single-chip microcomputer 16 that motor 9 is controlled is installed on the described wiring board, joins with single-chip microcomputer 16, the motor positive inversion control circuit 18 that motor 9 is controlled and the voltage conversion circuit that the voltage of battery 10 is changed, wherein battery 10 and its voltage conversion circuit are formed power unit 15, and wherein said switch well time timing circuit is the time fork shift switch 17 to be set.As shown in Figure 3, described voltage conversion circuit is chip H78L05, specifically is that battery 10 is that the positive pole of BT1 connects the Vin end that three terminal regulator U1 is chip H78L05, and the major function of chip H78L05 is to transfer voltage to 5V by 12V, this moment, the voltage of its Vin end was 12V, and the voltage of Vout end is 5V.In addition, the Vin of chip H78L05 end and Vout hold ground connection behind electric capacity E1 and E101 respectively.
As shown in Figure 4, described single-chip microcomputer 16 is that U2 is chip ADuC832BS, its pin XT1, XT2 meet crystal oscillator Y1, pin CREF and VREF be ground connection behind capacitor C 101 and C102 respectively, its output pin P3.3/TNT1 meets the light emitting diode D5 that the stone duty is indicated, and its pin P3.0/RXD and P3.1/TXD plug J5 respectively are the 2nd and the 3rd end of chip CON4.In addition, the time of joining with single-chip microcomputer 16 is provided with the timing that fork shift switch 17 and single-chip microcomputer 16 realize splitting the closed-in time in the lump.The described time is provided with fork shift switch 17 and is SW DIP-8, its output port 1-8 respectively with the pin P of chip H78L05
2.0-P
2.7Join; The pin P of chip H78L05
2.0-P
2.7After drawing voltage on the resistance, connect a positive voltage respectively.That is to say, by the time fork shift switch 17 is set different on off states is set, and then control single chip computer 16 is carried out different closed-in time and well opening time according to what its setting was answered to state.Such as, in the time the 8th port unlatching of fork shift switch 17 is set, and under the equal closing state of 1-7 port, whole system is carried out self check; In the time the 7th port unlatching of fork shift switch 17 is set, and under 1-6 and the equal closing state of 8 ports, the switch well time is that 10 days closing wells drove a well in 15 days; In the time the 6th port unlatching of fork shift switch 17 is set, and under 1-5 and the equal closing state of 7-8 port, the switch well time is that 7 days closing wells drove a well in 15 days; In the time the 5th port unlatching of fork shift switch 17 is set, and under 1-4 and the equal closing state of 6-8 port, the switch well time is that 5 days closing wells drove a well in 15 days; In the time the 3rd port unlatching of fork shift switch 17 is set, and under 1-2 and the equal closing state of 4-8 port, the switch well time is that 3 days closing wells drove a well in 15 days.Thereby by the time 17 pairs of single-chip microcomputers 16 of fork shift switch being set, to control the timing that realizes the switch well time very easy.
As shown in Figure 5, described motor positive inversion control circuit 18 comprises joining with motor 9 and forms four metal-oxide-semiconductor Q of H bridge
9, Q
10, Q
7And Q
8, respectively with four metal-oxide-semiconductors mutually and four diode D that connect
1, D
2, D
4And D
3And four triode Q
5, Q
6, Q
1And Q
2, described triode Q
6Respectively with triode Q
5With two metal-oxide-semiconductor Q
9, Q
8Join described triode Q
1Respectively with triode Q
2With two metal-oxide-semiconductor Q
10, Q
7Join the output pin P of chip ADuC832BS
0.2And P
0.1Respectively with triode Q
5And Q
2Join.Wherein, metal-oxide-semiconductor Q
9And Q
7Be IRF9640, the drain electrode of the two all connects+the 12V power supply; Metal-oxide-semiconductor Q
10And Q
8Be IRF640, the source grounding of the two; Metal-oxide-semiconductor Q
9Source electrode and metal-oxide-semiconductor Q
10Drain electrode all connect the positive pole of motor 9, metal-oxide-semiconductor Q
7Source electrode and metal-oxide-semiconductor Q
8Drain electrode all connect the negative pole of motor 9.Four triode Q
5, Q
6, Q
1And Q
2Be S8050; Triode Q
6Colelctor electrode through resistance R
8After meet metal-oxide-semiconductor Q
9Grid, triode Q
6Emitter stage and base stage respectively with metal-oxide-semiconductor Q
8Drain electrode and triode Q
5Colelctor electrode join triode Q
5Base stage meet the output pin P of chip ADuC832BS
0.2Triode Q
1Colelctor electrode through resistance R
10After meet metal-oxide-semiconductor Q
7Grid, triode Q
1Emitter stage and base stage respectively with metal-oxide-semiconductor Q
10Drain electrode and triode Q
2Colelctor electrode join triode Q
2Base stage meet the output pin P of chip ADuC832BS
0.1In addition, triode Q
5And Q
2Base stage behind resistance R 5 and R11, all meet+the 12V power supply triode Q respectively
6Colelctor electrode connects behind resistance R 8 and R7+the 12V power supply, triode Q
1Colelctor electrode connects behind resistance R 10 and R9+the 12V power supply.Because triode Q
5And Q
2Respectively with the output pin P that meets chip ADuC832BS
0.2And P
0.1, then finally by single-chip microcomputer 16 control triode Q
5And Q
2Open and turn-off the rotating realize controlling motor 9.
The course of work of the present utility model is: realized the rotating of motor 9 is controlled by single-chip microcomputer 16 and motor positive inversion control circuit 18 controls, by the time 17 pairs of single-chip microcomputers 16 of fork shift switch are set and control the timing controlled that realizes the switch well time; Again by motor 9 positive and negative transfer to rotating threaded shaft 8 clockwise or be rotated counterclockwise and control, correspondingly again control by moving up and down of 7 pairs of push rods 5 of slide block assembly by rotating threaded shaft 8; In the process that push rod 5 moves up and down, the barrel-shaped sliding sleeve 6 that the drive suit is fixed therein portion is that barrel-shaped valve mechanism moves up and down in the casing 2 outside, and corresponding realization is to being arranged on the opening and closing of the inlet opening 13 on outer casing 2 sidewalls.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (10)
1. electronic type downhole closing device, it is characterized in that: comprise the outer casing (2) and the electronics casing (4) that are fixed together up and down by middle jointing (3), be fixed on the last jointing (1) of outer casing (2) upper end, be fixed on the following jointing (12) of electronics casing (4) lower end, push rod (5) outside insert at middle jointing (3) middle part in the casing (2), and be installed in the rotating threaded shaft (8) that the drive push rod (5) in the electronics casing (4) moves up and down from top to bottom successively, the motor (9) that rotating threaded shaft (8) is driven, battery (10) and wiring board; The switch well time timing circuit that single-chip microcomputer (16) that motor (9) is controlled is installed on the described wiring board, joins with single-chip microcomputer (16), the motor positive inversion control circuit (18) that motor (9) is controlled and the voltage conversion circuit that the voltage of battery (10) is changed; The sidewall of described outer casing (2) is provided with inlet opening (13), and described push rod (5) is gone up suit and is fixed with a barrel-shaped sliding sleeve (6) that is used for open and close inlet opening (13).
2. according to the described electronic type downhole closing of claim 1 device, it is characterized in that: be connected by slide block assembly (7) between described push rod (5) and rotating threaded shaft (8).
3. according to claim 1 or 2 described electronic type downhole closing devices, it is characterized in that: be connected by roll extrusion bearing assembly (14) between described rotating threaded shaft (8) and motor (9).
4. according to claim 1 or 2 described electronic type downhole closing devices, it is characterized in that: described single-chip microcomputer (16) is chip ADuC832BS.
5. according to claim 1 or 2 described electronic type downhole closing devices, it is characterized in that: described switch well time timing circuit is that fork shift switch (17) is set the time.
6. according to the described electronic type downhole closing of claim 4 device, it is characterized in that: described voltage conversion circuit is chip H78L05.
7. according to the described electronic type downhole closing of claim 4 device, it is characterized in that: described motor positive inversion control circuit (18) comprises joining with motor (9) forms four metal-oxide-semiconductor Q of H bridge
9, Q
10, Q
7And Q
8, respectively with four metal-oxide-semiconductors mutually and four diode D that connect
1, D
2, D
4And D
3And four triode Q
5, Q
6, Q
1And Q
2, described triode Q
6Respectively with triode Q
5With two metal-oxide-semiconductor Q
9, Q
8Join described triode Q
1Respectively with triode Q
2With two metal-oxide-semiconductor Q
10, Q
7Join the output pin P of chip ADuC832BS
0.2And P
0.1Respectively with triode Q
5And Q
2Join.
8. according to the described electronic type downhole closing of claim 7 device, it is characterized in that: described metal-oxide-semiconductor Q
9And Q
7Be IRF9640, the drain electrode of the two all connects+the 12V power supply; Metal-oxide-semiconductor Q
10And Q
8Be IRF640, the source grounding of the two; Metal-oxide-semiconductor Q
9Source electrode and metal-oxide-semiconductor Q
10Drain electrode all connect the positive pole of motor (9), metal-oxide-semiconductor Q
7Source electrode and metal-oxide-semiconductor Q
8Drain electrode all connect the negative pole of motor (9);
Four triode Q
5, Q
6, Q
1And Q
2Be S8050; Triode Q
6Colelctor electrode through resistance R
8After meet metal-oxide-semiconductor Q
9Grid, triode Q
6Emitter stage and base stage respectively with metal-oxide-semiconductor Q
8Drain electrode and triode Q
5Colelctor electrode join triode Q
5Base stage meet the output pin P of chip ADuC832BS
0.2Triode Q
1Colelctor electrode through resistance R
10After meet metal-oxide-semiconductor Q
7Grid, triode Q
1Emitter stage and base stage respectively with metal-oxide-semiconductor Q
10Drain electrode and triode Q
2Colelctor electrode join triode Q
2Base stage meet the output pin P of chip ADuC832BS
0.1
9. according to the described electronic type downhole closing of claim 5 device, it is characterized in that: it is SW DIP-8 that the described time is provided with fork shift switch (17), its output port 1-8 respectively with the pin P of chip H78L05
2.0-P
2.7Join; The pin P of chip H78L05
2.0-P
2.7After drawing voltage on the resistance, connect a positive voltage respectively.
10. according to claim 1 or 2 described electronic type downhole closing devices, it is characterized in that: described wiring board is installed on the board holder (11) of battery (10) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200297889U CN201236698Y (en) | 2008-07-30 | 2008-07-30 | Electronic down-hole well closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200297889U CN201236698Y (en) | 2008-07-30 | 2008-07-30 | Electronic down-hole well closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236698Y true CN201236698Y (en) | 2009-05-13 |
Family
ID=40649437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200297889U Expired - Fee Related CN201236698Y (en) | 2008-07-30 | 2008-07-30 | Electronic down-hole well closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201236698Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453859A (en) * | 2013-09-24 | 2015-03-25 | 中国石油化工股份有限公司 | Well completing tester and system thereof |
| CN109505563A (en) * | 2018-12-20 | 2019-03-22 | 中国石油集团川庆钻探工程有限公司 | Downhole electric drives mechanical interface and its working method |
| CN112282682A (en) * | 2020-10-26 | 2021-01-29 | 大庆油田有限责任公司 | Underground electronic liquid inlet device for oil-gas well |
-
2008
- 2008-07-30 CN CNU2008200297889U patent/CN201236698Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453859A (en) * | 2013-09-24 | 2015-03-25 | 中国石油化工股份有限公司 | Well completing tester and system thereof |
| CN104453859B (en) * | 2013-09-24 | 2017-12-05 | 中国石油化工股份有限公司 | Well completing test device and its system |
| CN109505563A (en) * | 2018-12-20 | 2019-03-22 | 中国石油集团川庆钻探工程有限公司 | Downhole electric drives mechanical interface and its working method |
| CN112282682A (en) * | 2020-10-26 | 2021-01-29 | 大庆油田有限责任公司 | Underground electronic liquid inlet device for oil-gas well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20110730 |