CN202832516U - Oil pumping well wireless transmission device from ground to underground well - Google Patents
Oil pumping well wireless transmission device from ground to underground well Download PDFInfo
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- CN202832516U CN202832516U CN 201220299794 CN201220299794U CN202832516U CN 202832516 U CN202832516 U CN 202832516U CN 201220299794 CN201220299794 CN 201220299794 CN 201220299794 U CN201220299794 U CN 201220299794U CN 202832516 U CN202832516 U CN 202832516U
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Abstract
An oil pumping well wireless transmission device from ground to an underground well is used for oil field oil extraction under a well and composed of a ground sound wave emission device and an underground well sound wave signal receiver. A high-pitched tone throat and a sound wave guide pipe are arranged inside a sleeve pipe valve of a well cross. A controlled tool is connected with the lower portion of the underground well sound wave signal receiver and connected inside a permanent joint. The upper end of the permanent joint is connected with a lower portion oil pipe. A packer is arranged on the outer wall of the lower portion oil pipe and sealed on the inner wall of a sleeve pipe in a sitting mode. The top end of the lower portion oil pipe is connected with a connecting-tripping device. The oil pumping well wireless transmission device from the ground to the underground well is capable of sending sound wave signals from the ground, controlling movements of a tool, effectively lowering cost of a site test and operation.
Description
Technical field
The present invention relates to the oil extraction in oil field technical field, particularly realize from terrestrial wireless remote control downhole tool to oil well downhole wireless transmission sound wave communication device on oil well ground.
Background technology
At present, oil field development enters the middle and later periods, and the oil well comprehensive water cut generally rises, and interlayer contradiction is outstanding, and the stable yields difficulty is increasing.In order to address this problem, begin to rise from the nineties in 20th century, sensor, the data transmission system that can obtain down-hole oil gas production information unify control appliance and the well that can carry out on ground Data Collection and decision analysis have been installed in well.Can carry out Long-distance Control, reach the purpose of optimizing production capacity.Critical piece comprises:
(1) flow control apparatus is normally controlled the waterpower internal control valve of flow in/out oil reservoir;
(2) straight-through zone isolation packer is communicated with waterpower control pipeline and underground control valve;
(3) downhole sensor provides pressure, temperature and data on flows earthward;
(4) control system comprises the plane system of waterpower/electrically, in order to monitoring and control ground condition.
The main problem that affects this technology extensive use is exactly: the communication between ground and the underground equipment, the mode of at present practical application mainly relies on fiber optic communication, major defect is: one, expensive, two, need to be with the optical fiber G.I.H when completion, be specially adapted to bring in a well, old well needs technological transformation, and maintenance difficult.
Communication between solution ground and the underground equipment mainly contains mode to be had:
1. cable transmission.Its shortcoming is complex process, and cost is high.Run into casing programme, the well track complicated (comprising horizontal well) of oil well, cable can't be lowered to.Chinese patent notification number CN 201068794Y, name is called in the patent of " down-hole data wireless exchange set " and discloses a kind of down-hole data wireless exchange set, mainly is connected the one connection that be connected with downhole data retaking of a year or grade instrument antenna wireless of data underground measuring instrument antenna with downhole data retaking of a year or grade instrument by the underground data measuring instrument and consists of.During use, by antenna-coupled exchange survey data, after exchanges data is finished, by cable data are sent to ground again between two instruments.This technology still needs to remove wireline operation from still being cable transmission data in essence during actual the use.
2. downhole data by low-frequency sound wave along tubing transmission.Such as Chinese patent notification number CN IO1220742A, name is called " a kind of sound wave in oil well solid phase modulation transmissions and analyzing device ", Chinese patent notification number CN 2O1599O25U, name is called the disclosed sound wave communication technology in the patents such as " the well head receiving equipments of oil well downhole wireless telemetering system ", all by oil pipe underground signal is transferred to ground, received by ground installation.Although used the sound wave mechanics of communication, one is that the requirement oil pipe must be continuously, the 2nd, be the transfer of data on down-hole to ground, and do not relate to the communication of ground to down-hole.
3. there are two kinds by ground to the technology of downhole transmitted, the one, such as Chinese patent notification number CN 102031953A, name is called that " a kind of Intelligent well underground layer position select hydraulic decoding method and device " is disclosed to utilize hydraulic control to transmit the ground control signal to the down-hole, and this Technology Need is built complicated hydraulic line.The 2nd, such as Chinese patent notification number CN 1406311A, name is called the disclosed communication technology in " choke inductor that is used for well radio communication and control " patent, a kind of current impedance device of ferromagnetic choke coil form is installed in the down-hole, wherein stride across choke coil and produce a voltage potential, with the device in the power supply well and sensor and communicate with.This technology can range electromagnetic communication, and this equipment need to be installed when the oil well operation lower oil tube.
4. such as Chinese patent notification number CN 101250987A, name is called " method of a kind of oil well intelligent zonal testing and exploitation " and Chinese patent notification number CN 101498211A, name is called the disclosed communication technology in " a kind of method with the sound wave remote control water distribution " patent, similar with present technique, all be to the down-hole transmission of signal from ground, wherein " method of a kind of oil well intelligent zonal testing and exploitation " mentions " surface launching telecommand ", but the character of not mentioned signal." a kind of method with the sound wave remote control water distribution " mentions the use acoustic signals, but do not announce the formation of the frequency, ground installation and the down-hole receiving equipment that use signal, do not introduce encoding scheme.When the emission acoustic signals, the signal transmitting terminal of acoustic signal generator need to be submerged simultaneously under the oil pipe liquid level, only the signal transmitting terminal need to be connected on the sleeve gate of well head four-way and get final product.Most importantly these communication plans can only be transmitted simple signal, are ingredients of another technology.Encoding scheme can to the message of down-hole transfer complex, be a kind of general communication technology.
Summary of the invention
The purpose of this utility model is: provide a kind of pumpingh well with ground to the downhole wireless transmitting device, be used for oil well wireless transmission remote control downhole instrument, effectively reduce the on-the-spot test expense, for undershaft communication system provides solution.
The technical solution adopted in the utility model is: pumpingh well to the downhole wireless transmitting device, comprises ground acoustic emission apparatus and Acoustic signal receiver two large divisions with ground.It is characterized in that:
The ground acoustic emission apparatus comprises notebook computer, power amplifier, high pitch sound larynx and acoustic waveguide tube; Notebook computer connects power amplifier by holding wire, and power amplifier connects high pitch sound larynx by holding wire, and high pitch sound larynx and acoustic waveguide tube are fixed together; High pitch sound larynx and acoustic waveguide tube are arranged in the sleeve valve of well head four-way.At well head the well head four-way is arranged, sleeve valve is fixed on a side of well head four-way; Well head four-way lower end is connected with sleeve pipe; Oil pipe is in sleeve pipe, and the upper end of oil pipe is fixed in the well head four-way, is connected with tubing coupling between the oil pipe, and the lower end of oil pipe connects oil well pump, and the lower end of oil well pump connects screen casing and starting taper successively.
High pitch sound larynx and acoustic waveguide tube are take the Digital Sweep signal of 0～3kHz as first-harmonic, and command code is the acoustic signals of certain (bluring) frequency, is superimposed upon on the first-harmonic according to coding rule, forms complete acoustic coded.This acoustic coded is sent by computer sound card, be input to the ground power amplifier by COBBAIF, the ground power amplifier is amplified to enough power with signal and uses high pitch sound larynx (electroacoustic transducer) that acoustic signals is sent, and is injected into transmission downwards in the pit shaft by acoustic waveguide tube from the well head four-way.Annular space in the sleeve pipe is signal transmission passage.Find by theory analysis and field experiment test, the sonic transmissions frequency is best in 0～3kHz in the channel of this structure, so adopt 0～3kHz acoustic signals as first-harmonic in the present technique, the arrowband acoustic signals in the 0～3kHz that superposes thereon is as coding.
The Acoustic signal receiver mainly is comprised of underwater acoustic transducer, signal processing circuit, high-temperature battery and communication interface.Underwater acoustic transducer is connected to the upper end of signal processing circuit, and signal processing circuit is connected high-temperature battery with communication interface.High-temperature battery can bear 120 ℃ of down-holes.The lower end of Acoustic signal receiver connects controlled instrument; Controlled instrument is connected in the anchor tip; The upper end of anchor tip connects the bottom oil pipe, at the outer wall of bottom oil pipe packer is arranged, and packer set is connected with on-off connector on the top of bottom oil pipe on the inwall of sleeve pipe.
Distance between starting taper and the Acoustic signal receiver is between 40～60m.
The Acoustic signal receiver receives ground signal by underwater acoustic transducer, and underwater acoustic transducer changes it into signal of telecommunication after receiving ground signal, through amplify and the filter circuit amplification filtering after be converted to ± analog electrical signal of 3V.The A/D change-over circuit is transformed to data signal with this analog signal and is input in the single-chip microcomputer, and the data signal groups composite coding that the single-chip microcomputer handle receives judges according to coding rule that again the coding that will receive by communication interface sends to controlled instrument.Controlled instrument is taked corresponding action according to the control of surface instruction.Simultaneously, single-chip microcomputer is also according to the work of the whole circuit of programme-control that sets in advance, as: the sequential of dormancy, electric power starting, A/D conversion etc.
The summary pumpingh well is with the operating principle of ground to the downhole wireless transmitting device.Connect the acoustic signals generating means at oil-water well wellhead casing pipe gate place, emission 0～3000Hz sound wave modulation signal, utilize oil-water well itself as channel, acoustic signals is transferred to the down-hole, acoustic signals receiver in the down-hole receives the ground acoustic signals, and acoustic signals is decoded as control command, stores and mails to controlled instrument.
The mode that ground-launched acoustic coded adopts amplitude modulation, frequency modulation to combine, coding are waken code, identification code, command code up and are formed, wherein wake up yard by be difficult for obscuring, the obvious digital coding of feature forms, such as 1010 ... series; Identification code represents to begin thus the entry communication text; Command code is the communication text, adopts the general international standard coding.
Steel underwater acoustic transducer, signal processing circuit, memory, high-temperature battery form, 120 ℃ of heatproofs, and withstand voltage 25MPa adapts to down-hole high temperature and high pressure environment requirement.
The beneficial effects of the utility model: the utility model pumpingh well to the downhole wireless transmitting device, from ground surface launching acoustic signals, can reach the purpose of control tool action with ground, effectively reduces on-the-spot test, operating cost.
Description of drawings
Fig. 1 be pumpingh well with ground to downhole wireless transmitting device schematic diagram.
Fig. 2 is ground acoustic emission apparatus principle schematic.
Fig. 3 is the structural representation of Acoustic signal receiver.
The parts sequence number is among the figure: 1-notebook computer, 2-power amplifier, 3-high pitch sound larynx, 4-acoustic waveguide tube, the 5-sleeve valve, 6-oil pipe, 7-well head four-way, 8-tubing coupling, the 9-sleeve pipe, 10-oil well pump, 11-screen casing, 12-starting taper, the 13-on-off connector, 14-packer, 15-Acoustic signal receiver, the 16-underwater acoustic transducer, 17-signal processing circuit, 18-high-temperature battery, the 19-communication interface, the controlled instrument of 20-, 21-anchor tip.
The specific embodiment
Embodiment 1: take a pumpingh well with ground to the downhole wireless transmitting device as example, the utility model is described in further detail.
Consult Fig. 1, the utility model pumpingh well to the downhole wireless transmitting device, comprises ground acoustic emission apparatus and Acoustic signal receiver 15 two large divisions with ground.
The ground acoustic emission apparatus comprises notebook computer 1, power amplifier 2, high pitch sound larynx 3 and acoustic waveguide tube 4.Notebook computer 1 connects power amplifier 2 by holding wire, and power amplifier 2 connects high pitch sound larynx 3 by holding wire, and high pitch sound larynx 3 is fixed together with acoustic waveguide tube 4.Power amplifier 2 is selected the profile power amplifier of each company, requires power more than 250W, such as the PA250 type power amplifier of Hangzhou radio four factories.High pitch sound larynx 3 is selected high-power high pitch alarm buzzer, comes 250 of Electronics Co., Ltd. such as Changzhou Kate.Acoustic waveguide tube 4 is according to the frequency of sound wave character design processing of required transmission.High pitch sound larynx 3 and acoustic waveguide tube 4 are arranged in the sleeve valve 5 of well head four-way 7.At well head well head four-way 7 is arranged, sleeve valve 5 is fixed on a side of well head four-way 7.Well head four-way 7 lower ends are connected with sleeve pipe 9.Oil pipe 6 is in sleeve pipe 9, and the upper end of oil pipe 6 is fixed in the well head four-way 7, is connected with tubing coupling 8 between the oil pipe 6, and the lower end of oil pipe 6 connects an oil well pump 10, and the lower end of oil well pump 10 connects screen casing 11 and starting taper 12 successively by oil pipe.
Under the starting taper 12 of Acoustic signal receiver 15, the distance between starting taper 12 and the Acoustic signal receiver 15 is 50m.
Be this situation the poorest opportunity of receiving ground signal during the underground signal decoding: instrument is in the work period, but the spectrum analysis of receiving the laggard row of signal can not guarantee that instrument is waken up, on the contrary this segment signal is stored as environmental noise, then entered dormancy.Therefore, be correctly received in order to guarantee ground signal, the ground signal of our design comprises and wakes code, identification code and command code up.Wake code up and be by a series ofly be difficult for obscuring, the obvious digital coding ratio of components of feature is such as 1010 ... sequence, its length must be longer than a dormancy period and be added a work period, instrument are correctly waken up guaranteeing.Identification code: expression begins the entry communication text thus, and being encoded to before this wakes code up, and the back is command code.Can be obvious by feature, the coding seldom used forms, such as 1111 etc.Command code: the communication text, can adopt ACSI I code or other general international standards coding as the case may be.The just order of controlled instrument under the control well of expression ground.
Detailed process is: a) acoustic signal source is according to the audio electrical signal of the command code generation of required emission; B) audio electrical signal is amplified by power amplifier, in order to obtain enough large transmitting power;
C) signal of telecommunication after electroacoustic transducer will amplify is converted to acoustic signals, injects into well from the oil well mouth.Transmit in the annular space of acoustic signals between oil well oil conduit endoporus or oil pipe and sleeve pipe.
The down-hole receiving system receives behind the acoustic signals according to steps of processing: a) acoustic-electrical transducer is converted to the signal of telecommunication with acoustic signals; B) instrument amplifier in the signal processing circuit amplifies in advance to this signal, and active filter can disturb outward by the filtering band afterwards, and useful signal is further amplified, and processes for late-class circuit; C) signal crossed of Single-chip Controlling analog-digital converter acquisition process, and carry out demodulation operation, restore the command code of oil well ground sounding device emission, carry out corresponding operating according to command code control underground equipment again.
Obtain at the scene following result in the practical application: utilize annular space, sleeve pipe channel between oil pipe and the sleeve pipe, receive ground-launched acoustic signals at the 2800m place the straight well sonic receiver is the darkest, and be correctly decoded controlled action of tool under the control well, the minimum 5dB～6dB of signal to noise ratio.
Claims (2)
1. a pumpingh well to the downhole wireless transmitting device, comprises ground acoustic emission apparatus and Acoustic signal receiver (15) two large divisions with ground; It is characterized in that:
The ground acoustic emission apparatus comprises notebook computer (1), power amplifier (2), high pitch sound larynx (3) and acoustic waveguide tube (4); Notebook computer (1) connects power amplifier (2) by holding wire, and power amplifier (2) connects high pitch sound larynx (3) by holding wire, and high pitch sound larynx (3) is fixed together with acoustic waveguide tube (4); High pitch sound larynx (3) and acoustic waveguide tube (4) are arranged in the sleeve valve (5) of well head four-way (7); At well head well head four-way (7) is arranged, sleeve valve (5) is fixed on a side of well head four-way (7); Well head four-way (7) lower end is connected with sleeve pipe (9); Oil pipe (6) is in sleeve pipe (9), the upper end of oil pipe (6) is fixed in the well head four-way (7), be connected with tubing coupling (8) between the oil pipe (6), the lower end of oil pipe (6) connects oil well pump (10), and the lower end of oil well pump (10) connects screen casing (11) and starting taper (12) successively;
Acoustic signal receiver (15) mainly is comprised of underwater acoustic transducer (16), signal processing circuit (17), high-temperature battery (18) and communication interface (19); Underwater acoustic transducer (16) is connected to the upper end of signal processing circuit (17), and signal processing circuit (17) is connected 19 with communication interface) connection high-temperature battery (18); The lower end of Acoustic signal receiver (15) connects controlled instrument (20); Controlled instrument (20) is connected in the anchor tip (21); The upper end of anchor tip (21) connects the bottom oil pipe, at the outer wall of bottom oil pipe packer (14) is arranged, and packer (14) is setting on the inwall of sleeve pipe (9), is connected with on-off connector (13) on the top of bottom oil pipe.
2. pumpingh well according to claim 1, is characterized in that to the downhole wireless transmitting device with ground: the distance between starting taper (12) and the Acoustic signal receiver (15) is between 40～60m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220299794 CN202832516U (en) | 2012-06-21 | 2012-06-21 | Oil pumping well wireless transmission device from ground to underground well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220299794 CN202832516U (en) | 2012-06-21 | 2012-06-21 | Oil pumping well wireless transmission device from ground to underground well |
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| CN202832516U true CN202832516U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220299794 Expired - Fee Related CN202832516U (en) | 2012-06-21 | 2012-06-21 | Oil pumping well wireless transmission device from ground to underground well |
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| CN104047581A (en) * | 2014-05-28 | 2014-09-17 | 苏州市职业大学 | Automatic oil extraction divider system based on sonar |
| CN104100240A (en) * | 2014-07-18 | 2014-10-15 | 王进程 | Device for automatically adjusting oil discharge capacity of lifting system |
| CN104775808A (en) * | 2014-01-11 | 2015-07-15 | 中国石油化工股份有限公司 | Underground fixed liquid level testing device |
| CN104832165A (en) * | 2015-05-06 | 2015-08-12 | 中国石油集团渤海钻探工程有限公司 | Wellhead sound wave emission device |
| CN105507889A (en) * | 2015-12-30 | 2016-04-20 | 中国石油天然气股份有限公司 | Audio communication equipment and method for collecting oil-gas well data |
| CN105634622A (en) * | 2015-12-24 | 2016-06-01 | 安徽省城建设计研究总院有限公司 | Method for performing underground boring data transmission by using acoustic wave conduction in drill pipe cavity |
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| CN104775808A (en) * | 2014-01-11 | 2015-07-15 | 中国石油化工股份有限公司 | Underground fixed liquid level testing device |
| CN104047581A (en) * | 2014-05-28 | 2014-09-17 | 苏州市职业大学 | Automatic oil extraction divider system based on sonar |
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| CN104832165A (en) * | 2015-05-06 | 2015-08-12 | 中国石油集团渤海钻探工程有限公司 | Wellhead sound wave emission device |
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| CN105507889A (en) * | 2015-12-30 | 2016-04-20 | 中国石油天然气股份有限公司 | Audio communication equipment and method for collecting oil-gas well data |
| CN105507889B (en) * | 2015-12-30 | 2020-02-14 | 中国石油天然气股份有限公司 | Audio communication equipment and method for collecting oil-gas well data |
| CN105812067A (en) * | 2016-04-20 | 2016-07-27 | 浙江大学 | Oil-well wireless communication system and wireless communication method based on sound wave |
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| CN106761696A (en) * | 2016-12-05 | 2017-05-31 | 广汉市思科信达科技有限公司 | A kind of underground low-frequency sound wave oil formation treatment system |
| CN106703792A (en) * | 2016-12-05 | 2017-05-24 | 广汉市思科信达科技有限公司 | Adjustable low-frequency sound wave oil field treatment system |
| CN106639945A (en) * | 2016-12-05 | 2017-05-10 | 广汉市思科信达科技有限公司 | Processing system of down-hole low frequency acoustic wave |
| CN106593365A (en) * | 2016-12-05 | 2017-04-26 | 广汉市思科信达科技有限公司 | Low-frequency sound wave oilfield processing system |
| CN107085933A (en) * | 2017-05-04 | 2017-08-22 | 中国石油集团渤海钻探工程有限公司 | A kind of low-power consumption pit shaft underwater sound wave communication control system and its control method |
| CN107085933B (en) * | 2017-05-04 | 2023-12-22 | 中国石油天然气集团有限公司 | Low-power-consumption wellbore water acoustic wave communication control system and control method thereof |
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| CN112145138A (en) * | 2020-09-29 | 2020-12-29 | 大庆友声科技有限公司 | Water injection well wellhead underwater sound transmitting and receiving device and communication method |
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