CN202215216U - Device generating pulse at well mouth by means of solenoid valve - Google Patents
Device generating pulse at well mouth by means of solenoid valve Download PDFInfo
- Publication number
- CN202215216U CN202215216U CN2011202163486U CN201120216348U CN202215216U CN 202215216 U CN202215216 U CN 202215216U CN 2011202163486 U CN2011202163486 U CN 2011202163486U CN 201120216348 U CN201120216348 U CN 201120216348U CN 202215216 U CN202215216 U CN 202215216U
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- Prior art keywords
- electromagnetic valve
- pulse
- well head
- solenoid valve
- water injection
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Abstract
The utility model provides a device generating pulse at a well mouth by means of a solenoid valve, which is applied in generating pressure pulse at the mouth of a water injection well during an intelligent water distribution process of an oil field water injection well, and belongs to the field of oil exploitation. With the arrangement of the solenoid valve at the mouth of a water injection well and with the method of rapidly closing or opening a water injection channel, a negative pulse wave with effective amplitude is generated under ground and a rapid transmission of hydraulic pulse is realized. The device generating pulse at a well mouth by means of a solenoid valve is advantageous in that the device can generate source signals of various standards and formats in a stable and reliable way, and the negative pulse wave under ground accords with decoding standard; the operation of the device is simple in that corresponding instructions can be sent out in a set time by means of the switch of the solenoid valve only by sending out corresponding command in a computer software; with the adoption of a programmed type operation, the implementation effect is good and pressure pulse code signal can be precisely generated; with low cost, the device is suitable for popularization.
Description
Technical field
The utility model belongs to field of petroleum exploitation, is specifically related to a kind of electromagnetic valve that utilizes and produces the device of pulse at well head, is applied to water injection well well head generation pressure pulse in the water injection well in oil fields intelligence water distribution process.
Background technology
In the existing water injection well water distribution technology, mainly be to adopt the Purely mechanical injection well downhole flow regulator, control water distribution quantity, various, the complicated operation of its operation through changing water nozzle.
For example; Application number is that 200810064336 patent application (publication number is CN101260800A) discloses a kind of electromagnetical linearly adjusted flux device for down-hole injection-production; Be by being provided with adjustable electric magnetic signal transmitter in the corresponding position of production mandrel of biasing in the down-hole string; Be provided with the electromagnetic signal receiver in the production mandrel tubing string successively, connect electric driving governor, connect drive motors, the output shaft spiral of drive motors connects valve rod, and the lower end of valve rod connects the valve ball on the valve seat.Steel wire by the winch tractive dangles the electromagnetic signal transmitter in down-hole string through pulley, and the launch window of electromagnetic signal transmitter is corresponding with the electromagnetic signal receiver.The Electronic Testing adjusting device is installed on each interval water distribution (product) device eccentric orfice of water injection well, according to the survey result from motion tracking, online while surveying the size of each layer of accent water injection rate.Both can ground set the water injection rate size of each layer of down-hole, again can be according to the injection allocation amount, from the water filling of motion tracking current stabilization.
Above-mentioned patent utilization winch hangs on the eccentric injection mandrel annex on the different depth of down-hole with the electromagnetic signal transmitter; Electromagnetism generation drives emitting head in the transmitter is to injection well downhole flow regulator spatial emission coding electromagnetic wave signal; The electromagnetic signal receiver that is installed in the adjusting apparatus in the eccentric injection mandrel receives this electromagnetic wave; The instruction control unit drive motors running of decoding identification back breaks away from tail bone by drive link single current ball valve, thereby reaches the purpose of current stabilization control water.This structure need adopt winch operation, and cost is higher, and is manual manipulation and operates consuming timely, and its major defect is following:
(1) when there is heavy corrosion in down-hole string, electromagnetic signal is produced certain interference, influenced the electromagnet energy consumption receiver in the injection well downhole flow regulator adjusting apparatus, correctly the recognition instruction coding.
(2) when downhole fluid has impurity, the water nozzle of easy blocking injection well downhole flow regulator, normally water filling.
(3) operational sequence of this patent is various, and is consuming time longer, and cost is higher.
The utility model content
The purpose of the utility model is to solve a difficult problem that exists in the above-mentioned prior art; A kind of device that utilizes electromagnetic valve to produce pulse at well head is provided; Utilize electromagnetic valve to produce periodic pulse, pressure transmission is arrived the pressure-detecting device of downhole intelligent switch valve and then opens and closes valve through this carrier of downhole fluid.
The utility model is realized through following technical scheme:
A kind of electromagnetic valve that utilizes produces the device of pulse at well head, and said device comprises electromagnetic valve and tubing thread 2, and said electromagnetic valve comprises electromagnetic valve coil 1 and electromagnetic valve body 8, and said electromagnetic valve is fixed on the port of oil pipe 9 through tubing thread 2; Said electromagnetic valve coil 1 is positioned at outside the oil pipe 9, and it is connected with ground computer through cable control line 10;
Said electromagnetic valve body 8 is positioned at oil pipe 9.
Said computer is used for the switch on and off of control electromagnetic valve.
Said electromagnetic valve body 8 is a straight tube structure, and an end is connected with tubing thread 2, and the other end is a liquid outlet 7; Have one group of inlet 3 on the tube wall of electromagnetic valve body 8; Valve rod 4 is installed in the inner chamber of electromagnetic valve body 8;
End near liquid outlet 7 on valve rod 4 is equipped with valve block 5;
Inwall at said liquid outlet 7 is equipped with restrictor ring 6.
Said electromagnetic valve adopts normal opening structure, and promptly valve rod 4 just moves when energising, makes valve block 5 close throttling.
Said tubing thread 2 adopts 2
7/
8The TBG tubing thread.
Electromagnetic valve takes the flange mode to be fastenedly connected through screw and tubing thread 2.
The utility model is through installing electromagnetic valve device at the water injection well well head; Power supply through electromagnetic valve coil makes the iron core adhesive come closing and opening of by-pass valve control; Thereby the compression wave certain to the liquid section stream of down-hole; This compression wave passes to the down-hole, detects this signal is also accomplished the down-hole water nozzle through treatment circuit open function by underground pressure sensor.
Compared with prior art; The beneficial effect of the utility model is: the utility model is to use at petroleum chemical industry, and the water injection well well head produces a kind of device of pressure pulse, the good airproof performance of its switch gate valve; Adopt the electronic impulse mode to control the action of well head switch valve; Under the situation of not termination of pumping of water injection well, utilize well head to produce periodic pressure pulse and reach the down-hole, beneficial effect is specific as follows:
(1) simple to operate, only need on computer software, to send the switch that the corresponding command is an electromagnetic valve capable of using, sent command adapted thereto at the appointed time;
(2) adopt the program control type operation, implementation result is good, can produce the pressure pulse code signal accurately;
(3) cost of this device is lower, is suitable for promoting.
Description of drawings
Fig. 1 is a kind of structural representation that utilizes electromagnetic valve to produce the device of pulse at well head of the utility model.
Fig. 2 is a kind of Unit Installation sketch map that utilizes electromagnetic valve to produce pulse at well head of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
As shown in Figure 1, a kind of electromagnetic valve that utilizes produces the device of pulse at well head, utilizes existing electromagnetic valve to produce certain hour pulse at interval through being installed in the well head Switching Power Supply.
A kind of electromagnetic valve that utilizes produces the device of pulse at well head, and said device comprises electromagnetic valve and tubing thread 2, and said electromagnetic valve comprises electromagnetic valve coil 1 and electromagnetic valve body 8, and said electromagnetic valve is fixed on the port of oil pipe 9 through tubing thread 2; Said electromagnetic valve coil 1 is positioned at outside the oil pipe 9, and it is connected with ground computer through cable control line 10;
Said electromagnetic valve body 8 is positioned at oil pipe 9.
Said computer is used for the switch on and off of control electromagnetic valve.
Said electromagnetic valve body 8 is a straight tube structure, and an end is connected with tubing thread 2, and the other end is a liquid outlet 7; Have one group of inlet 3 on the tube wall of electromagnetic valve body 8; Valve rod 4 is installed in the inner chamber of electromagnetic valve body 8;
End near liquid outlet 7 on valve rod 4 is equipped with valve block 5;
Inwall at said liquid outlet 7 is equipped with restrictor ring 6; Drive the position generation throttling that valve block 5 moves to restrictor ring 6 through valve rod 4; The effect that produces throttling is to form chock pressure difference, and forming the pressure undersuing through the underground pressure sensor testing circuit is the underbalance pulse ripple.
Said electromagnetic valve adopts normal opening structure, and promptly valve rod 4 just moves when energising, makes valve block 5 close throttling.
Said tubing thread 2 adopts 2
7/
8The TBG tubing thread.
Electromagnetic valve takes the flange mode to be fastenedly connected through screw and tubing thread 2.
Wherein, tubing thread 2 adopts 2
7/
8The TBG tubing thread.
As shown in Figure 2, the installation and the use of the utility model are following: said device is mounted to well head, inserts ground-based computer by the cable control line again.After treating that water injecting pump flow and surface casing pressure are stable; Carry out on-off switch control through computer to electromagnetic valve, carry out switch motion, the power supply through electromagnetic valve coil makes the iron core adhesive come closing of by-pass valve control and opens and then control the break-make of liquid; Thereby produce periodic compression wave; This compression wave passes to the intelligent switch valve of down-hole, is detected this signal and is accomplished the open function of down-hole water nozzle through treatment circuit by underground pressure sensor, thereby reach the purpose of regulating the water nozzle size.
The utility model is through at the water injection well well head electromagnetic valve device being installed, and when opening valve, the liquid in the oil pipe gets into electromagnetic valve from inlet 3; Liquid outlet 7 from electromagnetic valve comes out again, and opened waterflood path this moment, when valve-off; Closed waterflood path; Through quick closedown or open the mode of waterflood path, the saltus step that is produced pressure by liquid moment in the pit shaft is the pressure negative pulse, and then excitation well produces the underbalance pulse ripple of effective amplitude down.
Use said device to realize the quick transmission of hydraulic impulse.This device can reliablely and stablely produce the source signal of various reference formats, and down-hole negative pulse ripple meets decoding standard.
Technique scheme is a kind of embodiment of the utility model; For those skilled in the art; On the basis that the utility model discloses application process and principle, be easy to make various types of improvement or distortion, and be not limited only to the described method of the above-mentioned specific embodiment of the utility model; Therefore the mode of front description is just preferred, and does not have restrictive meaning.
Claims (6)
1. one kind is utilized electromagnetic valve to produce the device of pulse at well head, it is characterized in that:
Said device comprises electromagnetic valve and tubing thread (2), and said electromagnetic valve comprises electromagnetic valve coil (1), and electromagnetic valve body (8), and said electromagnetic valve is fixed on the port of oil pipe (9) through tubing thread (2); Said electromagnetic valve coil (1) is positioned at outside the oil pipe (9), and it is connected with ground computer through cable control line (10);
Said electromagnetic valve body (8) is positioned at oil pipe (9).
2. the electromagnetic valve that utilizes according to claim 1 produces the device of pulse at well head, and it is characterized in that: said computer is used for the switch on and off of control electromagnetic valve.
3. the electromagnetic valve that utilizes according to claim 1 produces the device of pulse at well head, it is characterized in that: said electromagnetic valve body (8) is straight tube structure, and an end is connected with tubing thread (2), and the other end is liquid outlet (7); Have one group of inlet (3) on the tube wall of electromagnetic valve body (8); Valve rod (4) is installed in the inner chamber of electromagnetic valve body (8);
An end of going up near liquid outlet (7) at valve rod (4) is equipped with valve block (5);
Inwall at said liquid outlet (7) is equipped with restrictor ring (6).
4. the electromagnetic valve that utilizes according to claim 1 produces the device of pulse at well head, and it is characterized in that: said electromagnetic valve adopts normal opening structure, and promptly valve rod (4) just moves when energising, makes valve block (5) close throttling.
5. the electromagnetic valve that utilizes according to claim 1 produces the device of pulse at well head, and it is characterized in that: said tubing thread (2) adopts 2
7/
8The TBG tubing thread.
6. the electromagnetic valve that utilizes according to claim 5 produces the device of pulse at well head, and it is characterized in that: electromagnetic valve takes the flange mode to be fastenedly connected through screw and tubing thread (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202163486U CN202215216U (en) | 2011-06-24 | 2011-06-24 | Device generating pulse at well mouth by means of solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202163486U CN202215216U (en) | 2011-06-24 | 2011-06-24 | Device generating pulse at well mouth by means of solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215216U true CN202215216U (en) | 2012-05-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202163486U Expired - Fee Related CN202215216U (en) | 2011-06-24 | 2011-06-24 | Device generating pulse at well mouth by means of solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202215216U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138948A (en) * | 2018-09-21 | 2019-01-04 | 中国石油天然气股份有限公司 | Underground pressure control type intelligent water distributor and using method thereof |
| CN110397426A (en) * | 2019-08-16 | 2019-11-01 | 四川航天烽火伺服控制技术有限公司 | Well head frequency pressure pulses signal receiving/transmission device and oil exploration equipment |
| 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 |
| CN113236206A (en) * | 2021-06-21 | 2021-08-10 | 中国石油大学(华东) | Electromagnetic ejection underground hydraulic pulsation generating device and using method thereof |
| CN114000870A (en) * | 2020-07-28 | 2022-02-01 | 中国石油化工股份有限公司 | Negative pressure pulse generating device based on data real-time acquisition and control instruction downloading |
-
2011
- 2011-06-24 CN CN2011202163486U patent/CN202215216U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138948A (en) * | 2018-09-21 | 2019-01-04 | 中国石油天然气股份有限公司 | Underground pressure control type intelligent water distributor and using method thereof |
| CN109138948B (en) * | 2018-09-21 | 2023-11-28 | 中国石油天然气股份有限公司 | Underground pressure-controlled intelligent water distributor and use method thereof |
| CN110397426A (en) * | 2019-08-16 | 2019-11-01 | 四川航天烽火伺服控制技术有限公司 | Well head frequency pressure pulses signal receiving/transmission device and oil exploration equipment |
| CN114000870A (en) * | 2020-07-28 | 2022-02-01 | 中国石油化工股份有限公司 | Negative pressure pulse generating device based on data real-time acquisition and control instruction downloading |
| 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 |
| CN113236206A (en) * | 2021-06-21 | 2021-08-10 | 中国石油大学(华东) | Electromagnetic ejection underground hydraulic pulsation generating device and using method thereof |
| CN113236206B (en) * | 2021-06-21 | 2023-01-17 | 中国石油大学(华东) | Electromagnetic ejection underground hydraulic pulsation generating device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20180624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |