CN101260800A - Electromagnetical linearly adjusted flux device for down-hole injection-production - Google Patents
Electromagnetical linearly adjusted flux device for down-hole injection-production Download PDFInfo
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- CN101260800A CN101260800A CNA2008100643369A CN200810064336A CN101260800A CN 101260800 A CN101260800 A CN 101260800A CN A2008100643369 A CNA2008100643369 A CN A2008100643369A CN 200810064336 A CN200810064336 A CN 200810064336A CN 101260800 A CN101260800 A CN 101260800A
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Abstract
The invention relates to a device for electromagnetic linear adjustment of underground injection production flow rate, which consists of an adjustable electromagnetic signal emitter arranged in a position of an underground pipe column corresponding to an offset bottom-hole regulator; the pipe column of the bottom-hole regulator is provided with an electromagnetic signal receiver, a connecting electric drive controller and a connecting drive motor in turn; an output shaft of the drive motor is in spiral connection with a valve handle; and the lower end of the valve handle is connected with a valve ball on a valve seat. The electromagnetic signal emitter is overhung in the underground pipe column by steel wire pulled by a winch through a pulley; and an emitting window of the electromagnetic signal emitter corresponds to the electromagnetic signal receiver. An electronic testing and adjusting device is arranged on an eccentric hole of each layer of the bottom-hole regulator in the water injection well, automatically tracks according to measured results and carries out on-line measurement and adjustment to the water injection volume in each layer. The device for electromagnetic linear adjustment of underground injection production flow rate can set the water injection volume of each underground layer on the ground and automatically track steady-flow water injection according to the injection allocation volume, thereby radically solving the difficult problems in the injection allocation production of the oil field water injection well, reasonably utilizing the resource to exploit petroleum and saving water resource.
Description
Technical field
The invention belongs to the method for a kind of oil field oil, eccentric tubing string water distribution (product) device of well zonal flow rate linear regulation, particularly relate to a kind of electromagnetical linearly adjusted flux device for down-hole injection-production.
Background technology
The former adopts present prior art (patent No.: 200410081195,200510107732) cable from ground the measurement and adjustment instrument device to be sent into the down-hole to join the payzone section, the mechanical valve that is installed on down-hole eccentric center water-distributing (product) device is regulated, to finish the laminated distributor under well flow-control.The latter and the former operating principle are that the measurement and adjustment instrument device adopts powered battery roughly the same, utilize steel wire that the measurement and adjustment instrument device is sent into required interval.It is many that equipment is employed on the former ground, complex process, and operation inconvenience is surveyed and is transferred a bite well expense costliness.The latter then needs many measurement and adjustment instrument devices to finish once survey accent, constructional difficulties jointly.The more important thing is that the two all will survey transfer the back that finish that the measurement and adjustment instrument device is proposed ground, just surveyed the zonal flow rate that mixes up and changed with strata pressure and change again, make that to survey accent work early stage almost useless.And the commissioning process complexity of the two, ground are difficult for grasping, and the cost of production height can not reach optimum efficiency.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, the device of a kind of Ground Control down-hole electromechanical structure action is provided, finish test of water injection well in oil fields or oil well delamination and linear regulation, the reasonable use ground resource is carried out the electromagnetical linearly adjusted flux device for down-hole injection-production of oil exploitation.
Electromagnetical linearly adjusted flux device for down-hole injection-production of the present invention is 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.
As further improvement of the utility model, the electromagnetic signal transmitter is to be made of electromagnetism generation circuit and magnetic signal emitting head that built-in power circuit connects.
The present invention installs the Electronic Testing adjusting device on each interval water distribution (product) device eccentric orfice of water injection well, according to measured result from motion tracking, online size of transferring each layer water injection rate while surveying.Promptly 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.Fundamentally solved the difficult problem during the water injection well in oil fields injection allocation is produced.Reasonable use resource exploitation oil is saved water resource.No longer need loaded down with trivial details test process and regulate construction.
Utilizing this device, is to adopt steel wire that a device that can produce the electromagnetism Sasser is sent into the required interval in down-hole, the coding that utilizes ground to configure, the electrical adjustment instrument in each layer of the instruction down-hole setting flow size from 0～100%.You regulate each layer electrical adjustment instrument in proportion according to the flow size control channel valve that configures.The electrical adjustment instrument that is installed on each layer of down-hole is regularly pounced on this laminar flow amount that obtains, and finds to change to be adjusted to set condition automatically.Owing to be onlinely to transfer while surveying, satisfied original injection allocation requirement on therefore, device that the more important thing is this method is to install on the eccentric orfice of down-hole water distribution (product) device, does not influence other instruments of ground and goes into the well and test and verify the situation of this device in underground work.Another major reason is that adjustment injection allocation scheme is simple, and ground does not need jumboes such as cable car, instrument cab, crane to cooperate, and just can fulfil assignment with the steel wire on the puffer, and cost is low, and is simple to operate, is fit to oil field teams and groups and uses.Have compared with prior art: the advantage of the reversibility of water filling stability and saving property, adjusting and repeatability, ground controllability and judgment accuracy, simple to operate and economic and practical.
Description of drawings
Figure of description is the structural representation of electromagnetical linearly adjusted flux device for down-hole injection-production of the present utility model.
The specific embodiment
Electromagnetical linearly adjusted flux device for down-hole injection-production of the present utility model is by being provided with adjustable electric magnetic signal transmitter 3 in the production mandrel 2 corresponding positions of biasing in the down-hole string 1, be provided with electromagnetic signal receiver 4 in production mandrel 2 tubing strings successively, connect electric driving governor 5, connect drive motors 6, output shaft 7 spirals of drive motors 6 connect valve rod 8, and the lower end of valve rod 8 connects the valve ball 10 on the valve seat 9.Steel wire 12 by winch 11 tractives dangles electromagnetic signal transmitter 3 in down-hole string 1 through pulley 13, and the launch window 14 of electromagnetic signal transmitter 3 is corresponding with electromagnetic signal receiver 4.Wherein, electromagnetic signal transmitter 3 is to be made of electromagnetism generation circuit 16 and magnetic signal emitting head 17 that built-in power circuit 15 connects.Its concrete course of work is as follows: utilize winch near the electromagnetic signal transmitter that pulley hangs steel wire hangs in eccentric center water-distributing (product) device on the different depth of down-hole, electromagnetism generation circuit drives emitting head in the transmitter is to water distribution (product) device space radiation coding electromagnetic wave signal, the electromagnetic signal receiver that is installed in the adjusting apparatus in eccentric center water-distributing (product) device receives this electromagnetic wave decoding identification back instruction control unit drive motors running, drives the single current ball valve by drive link and breaks away from tail cone.Because this channel cross-section size and downhole flow size are directly proportional, so the size of adjusting cross section just can be from the size of 0-100% linear regulation downhole flow, thereby reaches the purpose of current stabilization control water.
The object of the present invention is achieved like this, on the general water distribution in oil field (product) device, (see intelligent eccentric injection mandrel around a central passage monitor of installation and a controller, number of patent application: 200820089427.3), monitor is used for measuring zonal flow rate, and adjusting apparatus is used for regulating zonal flow rate.When the injection allocation scheme is adjusted on needs ground, only need emitter to be hung in down-hole control interval with steel wire, to the emission of the electrical adjustment instrument on corresponding interval electromagnetic pulse signal, this layer electrical adjustment instrument receives signal, analysis and judgement post command motor drive actuator drives ball valve and moves to the position of setting traffic channel, just can realize the setting of injection allocation (product) size.The flow transmitter that is installed on this device regularly carries out tracking measurement to downhole flow, find because pressure changes the changes in flow rate that causes, then regulate the ball valve routing restoration automatically to the setting flow value, thereby ensure the reliability and the accuracy of online detection and control downhole flow.
Adjusting apparatus of the present invention is installed on the circumference of eccentric injection mandrel central passage: as shown in the figure: fluid Q1 crosses the single current ball valve by central passage through the tail cone passage, flows into the stratum by eccentric center water-distributing (product) device side opening Q2.Otherwise do the production mandrel time spent, fluid is gone into by Q2, flows out ground by Q1 by central passage through above-mentioned passage.
Claims (2)
1, electromagnetical linearly adjusted flux device for down-hole injection-production is by being provided with adjustable electric magnetic signal transmitter (3) in the corresponding position of production mandrel (2) of biasing in the down-hole string (1), it is characterized in that being provided with electromagnetic signal receiver (4) successively in production mandrel (2) tubing string, connect electric driving governor (5), connect drive motors (6), output shaft (7) spiral of drive motors (6) connects valve rod (8), and the lower end of valve rod (8) connects the valve ball (10) on the valve seat (9); Steel wire (12) by winch (11) tractive dangles electromagnetic signal transmitter (3) in down-hole string (1) through pulley (13), and the launch window (14) of electromagnetic signal transmitter (3) is corresponding with electromagnetic signal receiver (4).
2, electromagnetical linearly adjusted flux device for down-hole injection-production according to claim 1 is characterized in that electromagnetism generation circuit (16) and magnetic signal emitting head (17) formation that electromagnetic signal transmitter (3) is connected by built-in power circuit (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100643369A CN101260800A (en) | 2008-04-21 | 2008-04-21 | Electromagnetical linearly adjusted flux device for down-hole injection-production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100643369A CN101260800A (en) | 2008-04-21 | 2008-04-21 | Electromagnetical linearly adjusted flux device for down-hole injection-production |
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| CN101260800A true CN101260800A (en) | 2008-09-10 |
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| CNA2008100643369A Pending CN101260800A (en) | 2008-04-21 | 2008-04-21 | Electromagnetical linearly adjusted flux device for down-hole injection-production |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900649A (en) * | 2014-04-04 | 2014-07-02 | 四川省科学城久利电子有限责任公司 | Electromagnetic flow transducer for downhole 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 |
| CN104179484A (en) * | 2014-08-18 | 2014-12-03 | 哈尔滨工业大学 | Internal magnetic flowmeter type intelligent recoverable injection allocation device |
| CN110107268A (en) * | 2019-05-30 | 2019-08-09 | 大庆华油石油科技开发有限公司 | A kind of automatically controlled distributor |
-
2008
- 2008-04-21 CN CNA2008100643369A patent/CN101260800A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900649A (en) * | 2014-04-04 | 2014-07-02 | 四川省科学城久利电子有限责任公司 | Electromagnetic flow transducer for downhole water distributor |
| CN103900649B (en) * | 2014-04-04 | 2016-10-05 | 四川省科学城久利电子有限责任公司 | Electromagnetic flow transducer for downhole water flow regulator |
| 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 |
| CN104179484A (en) * | 2014-08-18 | 2014-12-03 | 哈尔滨工业大学 | Internal magnetic flowmeter type intelligent recoverable injection allocation device |
| CN104179484B (en) * | 2014-08-18 | 2016-10-05 | 哈尔滨工业大学 | In a kind of, magnetic flowmeter formula intelligence can pulling distributor |
| CN110107268A (en) * | 2019-05-30 | 2019-08-09 | 大庆华油石油科技开发有限公司 | A kind of automatically controlled distributor |
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Open date: 20080910 |