CN2245116Y - Well head device for tubing-casing annulus depth finder - Google Patents
Well head device for tubing-casing annulus depth finder Download PDFInfo
- Publication number
- CN2245116Y CN2245116Y CN95209569U CN95209569U CN2245116Y CN 2245116 Y CN2245116 Y CN 2245116Y CN 95209569 U CN95209569 U CN 95209569U CN 95209569 U CN95209569 U CN 95209569U CN 2245116 Y CN2245116 Y CN 2245116Y
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- chamber
- tubing
- casing annulus
- liquid level
- sounding
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Abstract
The utility model relates to a well head device for a tubing-casing annulus depth finder, which is mainly cooperated with a corresponding testing system via an emitting and sound receiving system composed of an energy changer to obtain the aim of testing the depth of a liquid level in a tubing-casing annulus. The utility model can avoid danger brought by high voltage and gunpowder explosion in use, and an optimized processing software can be utilized for adjusting the frequency and decibel of a sound source in a wide range. Therefore, the well head device has high operability and adaptability, sound production and measurement are controlled integrally, and the whole weight of the utility model is reduced.
Description
The utility model relates to a kind of wellhead assembly of novel oil one casing annulus liquid level depth-sounder, and it is the transformation that belongs to employed well testing plant and instrument in the petroleum development engineering.It mainly is by the emission of being made up of transducer and accepts the sonic system use that matches with corresponding detection system, reaches the purpose at an oily casing annulus build-in test level.
In all kinds of oil well courses of work in the petroleum industry Development Engineering, the worker needs to understand frequently the duty of oil well, therefore just need analyze oil well on the basis of well test data.And analytical work to be the experience of a complexity judge and the process of digital processing, its object cardinal principle can be divided into two parts: i.e. the working condition of the supply capability of oil reservoir and oil pumper electric system.At present, the main means of obtaining the aerial level of oil well oil-collar both at home and abroad are to use echometer, its operating principle is: launch a ping at the well head that is connected with sleeve pipe in the air to oil-collar, ping is propagated to the down-hole along the annular space of oil-cover annular space, when obstructions such as running into tubing coupling, sound mark and liquid level just produces reflected impulse, the ping of reflection converts the signal of telecommunication to by sound-electric transducer (as ceramic piezoelectric microphone), then by entering record after the processing such as amplification, shaping, filtering.Its tune has two kinds: the one, adopt gunpowder sounding bullet, produce ping in the well head percussion, the one, set up a draught head in sounding rifle body and between the oil-cover annular space, in the moment of opening stop valve rapidly, between oil-cover annular space, send a ping.The sounding of its powder shotgun and air gun has many problems, as the width of safety problem, wide variety of materials consumption, sounding frequency band with the loudness specific aim is relatively poor, body big and heavy and because caused high pressure corrosive gas of gunpowder explosion or the like; With regard to its register instrument, also have between sounding and the record except that the echo signal transmission, the sensitivity and the frequency of no any automatic synchronization function, instrument record all try accent in operation, just can obtain ideal results after often need repeatedly trying to transfer, because all unknown to the frequency of oil-cover annular space level, sound source and loudness etc. before test, so must try to survey.Above all class problems, be the well testing worker exploring solution always.
The purpose of this utility model provides a kind of novel wellhead assembly that is used for oil-casing annulus liquid level depth-sounder with regard to being to avoid above-mentioned the deficiencies in the prior art part, it is by reasonable structural design and adopts a kind of new acoustic mechanism, makes depth-sounder can detect the back wave of liquid level to be measured accurately and effectively.It mainly by be arranged on the sounding chamber in the shell, sonic system chamber and the temperature and pressure sensing chamber that the radio reception chamber is formed constituted, its major technology characteristics are that sonic system chamber and temperature and pressure sensing chamber are in series in shell, it is indoor that its sounding chamber and radio reception chamber are arranged on same sonic system, and made it to separate mutually by sound insulating panel; Then be provided with temperature pick up and pressure sensor in the temperature and pressure sensing chamber, it can be arranged on the front end or the rear end of sonic system chamber, and is connected by the sound bearing medium of pressure guide hole with sonic system chamber and liquid level to be measured top.
Accompanying drawing is structural representation of the present utility model
The drawing of accompanying drawing is described as follows:
The 1---temperature and pressure 2---of sensing chamber signal plug 3---gland 4---metallic channel
5---temperature pick up 6---housing 7---microphony receiving system 8---radio reception chamber
11---sounding chamber, 9---sound insulating panel 10---sonic system chamber 12---sounding device
The isobaric hole of 13---14---pressure sensor
In order to realize better above-mentioned purpose of the present utility model, designer of the present utility model is in the sonic system chamber The sound-producing device (12) that is made of electroacoustic transducer is set in the sounding chamber (11) (10), then arranges in radio reception chamber (8) The microphony receiving system (7) that is made of acoustic-electrical transducer is arranged, between its sounding chamber (11) and radio reception chamber (8) be by every Soundboard (9) is separated it mutually, the indoor sounding chamber (11) of its sonic system can be arranged on radio reception chamber (8) the front, also can To be arranged on the back of radio reception chamber (8); Temperature and pressure sensing chamber (1) then both can be arranged on sonic system chamber (10) front end, Also can be arranged on the rear end of sonic system chamber (10).
Come enumeration principle of the present utility model and technical characterstic below in conjunction with drawings and Examples:
In reality development and design, designer of the present utility model is that the wellhead assembly with this oil-casing annulus liquid level depth-sounder is designed to structure as shown in drawings, it is the front end that the sonic system chamber is arranged on temperature and pressure sensing chamber, its sounding chamber and radio reception chamber be set up in parallel at sonic system indoor, make it to separate mutually by sound insulating panel therebetween, temperature and pressure sensing chamber is to be connected by intercommunicating pore with the sonic system chamber, and is connected with the sound bearing medium on liquid level to be measured top.In the actual operation process, be to constitute a sonic system by electroacoustic transducer and acoustic-electrical transducer; Electroacoustic transducer sounding under the exciting of the excitation signal of telecommunication is met any obstacle in the air at oil-collar acoustic reflection is all taken place, and acoustic-electrical transducer changes into the signal of telecommunication with sound wave; Between buzzer and microphone, separate, directly enter microphone with block feeds sound by sound insulating panel; Pressure guide hole gas that oil-collar is aerial introduce pressure, temperature pick up place cavity, make the pressure and temperature of pressure, temperature sensor senses sound bearing medium; The collection of pressure, temperature and reflection wave signal is finished by process chip, and can carry out literal and figure demonstration by display, also can carry out data communication with microcomputer; Its process software is to be solidificated among the EPROM, and is that the back wave curve of gathering has been reserved the above ram space of 32K, to guarantee the liquid level data storage of at least 30 mouthfuls of wells.
In the using and operate of reality, the utility model is the use that matches with the recorder of special use, this special-purpose recorder is that the control of a collection, collection, storage, demonstration and communication are the mini system of one, thereby constitutes the special measurement system of high efficiency, low-loss, high accuracy and a wide adaptability.Its advantage is: 1.. sound source and recording section are one control, and the frequency of the excitation sound source generation sound and loudness have also just determined to detect the corresponding frequencies of acoustic signal Guaranteed thereupon, detect audio frequency and always adapt to the excitation audio frequency automatically; 2.. the frequency of excitation sound source and loudness can be adjusted in do not coexist bigger frequency band and the amplitude by the excitation signal of telecommunication, and this adaptive capacity for complex hole condition can improve greatly, have won the initiative of measuring simultaneously; 3.. sound source adopts the electric excitation principle, makes that sounding is a kind of shirtsleeve operation panel instruction, can promptly send out immediately as required, and its duplicate measurements can realize in the several seconds; 4.. the pressure in well head sounding, the receiving system, temperature pick up are to recorder loopback oil well oil-collar pneumatics power, temperature regime, thereby gas density in the acquisition annular space can be determined best audible frequency and intensity thus; 5.. make the sounding device of well head not have moving part, do not have high voltage bearing requirement, make easy to operate, loss reduce; 6.. make system have the function of duplicate measurements rapidly, thereby realize the test and the dynamically well testing of producing fluid level fluctuation pattern in the oil well production process.
Because the danger that enforcement of the present utility model had both avoided high pressure and gunpowder explosion to be brought adopts the process software of optimizing that the frequency of sound source and branch Becquerel are adjusted in the larger context again, thereby makes this instrument have stronger applicability and compliance.Its sounding and the control of measurement one also make its overall weight reduce greatly.Therefore, the wellhead assembly of this oil-casing annulus liquid level depth-sounder has promotion prospect and market potential extremely widely greatly.
Claims (6)
1. the wellhead assembly of tubing and casing annulus liquid level depth-sounder, it by be arranged on the sounding chamber (11) in the shell (6), sonic system chamber (10) and the temperature and pressure sensing chamber (1) that radio reception chamber (8) are formed constituted, it is characterized in that sonic system chamber (10) and temperature and pressure sensing chamber (1) are in series in shell (6), its sounding chamber (11) and radio reception chamber (18) are arranged in the same sonic system chamber (10), and are made it to separate mutually by sound insulating panel (9); Then be provided with temperature pick up (5) and pressure sensor (14) in the temperature and pressure sensing chamber (1), it can be arranged on the front end or the rear end of sonic system chamber (10), and is connected by the sound bearing medium of pressure guide hole (13) with sonic system chamber (10) and liquid level to be measured top.
2. the wellhead assembly of tubing and casing annulus liquid level depth-sounder according to claim 1, it is characterized in that being provided with the sounding device (12) that constitutes by electroacoustic transducer in the sounding chamber (11) in the sonic system chamber (10), then being provided with the microphony receiving system (7) that is made of acoustic-electrical transducer in the radio reception chamber (8), is by sound insulating panel (9) it to be separated mutually between its sounding chamber (11) and radio reception chamber (8).
3. according to the wellhead assembly of claim 1 and 2 described tubing and casing annulus liquid level depth-sounders, it is characterized in that the indoor sounding chamber (11) of sonic system can be arranged on the front of radio reception chamber (8).
4. according to the wellhead assembly of claim 1 and 2 described tubing and casing annulus liquid level depth-sounders, it is characterized in that the indoor sounding chamber (11) of sonic system can be arranged on the back of radio reception chamber (8).
5. the wellhead assembly of tubing and casing annulus liquid level depth-sounder according to claim 1 is characterized in that temperature and pressure sensing chamber (1) can be arranged on the front end of sonic system chamber (10).
6. the wellhead assembly of tubing and casing annulus liquid level depth-sounder according to claim 1 is characterized in that temperature and pressure sensing chamber (1) can be arranged on the rear end of sonic system chamber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95209569U CN2245116Y (en) | 1995-05-04 | 1995-05-04 | Well head device for tubing-casing annulus depth finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95209569U CN2245116Y (en) | 1995-05-04 | 1995-05-04 | Well head device for tubing-casing annulus depth finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2245116Y true CN2245116Y (en) | 1997-01-15 |
Family
ID=33860539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95209569U Expired - Fee Related CN2245116Y (en) | 1995-05-04 | 1995-05-04 | Well head device for tubing-casing annulus depth finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2245116Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871344A (en) * | 2010-06-02 | 2010-10-27 | 中国石油天然气股份有限公司 | Weighing type gas well shaft liquid level position determination method |
| CN102168551A (en) * | 2011-01-19 | 2011-08-31 | 杨平 | Device and method for continuously measuring working fluid level depth of oil well and continuously metering produced liquid |
| CN105223224A (en) * | 2015-09-29 | 2016-01-06 | 中国海洋石油总公司 | Compressible liquid performance test evaluating apparatus |
| CN109209347A (en) * | 2018-10-10 | 2019-01-15 | 中国石油天然气股份有限公司 | Method and device for measuring annular gas-liquid interface of oil well |
| CN110219641A (en) * | 2019-05-27 | 2019-09-10 | 承德石油高等专科学校 | A kind of well liquid face test device and its test method |
| CN111734393A (en) * | 2020-06-28 | 2020-10-02 | 中国石油天然气股份有限公司 | Oil well working fluid level testing device and operation method |
-
1995
- 1995-05-04 CN CN95209569U patent/CN2245116Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871344A (en) * | 2010-06-02 | 2010-10-27 | 中国石油天然气股份有限公司 | Weighing type gas well shaft liquid level position determination method |
| CN101871344B (en) * | 2010-06-02 | 2012-11-14 | 中国石油天然气股份有限公司 | Weighing type gas well shaft liquid level position determination method |
| CN102168551A (en) * | 2011-01-19 | 2011-08-31 | 杨平 | Device and method for continuously measuring working fluid level depth of oil well and continuously metering produced liquid |
| CN102168551B (en) * | 2011-01-19 | 2014-04-16 | 杨平 | Device and method for continuously measuring working fluid level depth of oil well and continuously metering produced liquid |
| CN105223224A (en) * | 2015-09-29 | 2016-01-06 | 中国海洋石油总公司 | Compressible liquid performance test evaluating apparatus |
| CN105223224B (en) * | 2015-09-29 | 2017-12-12 | 中海油能源发展股份有限公司 | Compressible liquid performance test evaluating apparatus |
| CN109209347A (en) * | 2018-10-10 | 2019-01-15 | 中国石油天然气股份有限公司 | Method and device for measuring annular gas-liquid interface of oil well |
| CN110219641A (en) * | 2019-05-27 | 2019-09-10 | 承德石油高等专科学校 | A kind of well liquid face test device and its test method |
| CN111734393A (en) * | 2020-06-28 | 2020-10-02 | 中国石油天然气股份有限公司 | Oil well working fluid level testing device and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |