CN203114272U - Gas well liquid level tester - Google Patents
Gas well liquid level tester Download PDFInfo
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- CN203114272U CN203114272U CN 201220733961 CN201220733961U CN203114272U CN 203114272 U CN203114272 U CN 203114272U CN 201220733961 CN201220733961 CN 201220733961 CN 201220733961 U CN201220733961 U CN 201220733961U CN 203114272 U CN203114272 U CN 203114272U
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- gas
- gas well
- liquid level
- storage storehouse
- level test
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Abstract
The utility model relates to a gas well liquid level tester. The gas well liquid level tester comprises an infrasonic high-pressure gun, a data recorder and PC (Personal Computer) software, wherein the infrasonic high-pressure gun and the data recorder are connected. The gas well liquid level tester provided by the utility model can simultaneously test high-pressure and low-pressure gas wells, can process tail gas and can be used for a long time, and an acquisition and processing circuit is interference-resistant.
Description
Technical field
The utility model belongs to the petroleum well logging technology field, relates to a kind of gas well liquid level test instrument, relates in particular to a kind of gas well liquid level test instrument of can be simultaneously testing at high pressure and low-pressure gas well.
Background technology
In gas well gas production process, test gas well liquid level is an important process.Need to measure the gas well annulus liquid level degree of depth by certain time interval.
The method that adopts mainly is at well head the liquid level test instrument to be installed at present, discharge high gland gas sounding, accept echo with acoustic wave transducer acoustic signals is become the signal of telecommunication, register instrument is recorded to electrical signal collection in the instrument, and test is finished in the computer that data in the postscript record instrument copy monitoring center to for analyzing, handling.Its shortcoming is not have vent gas treatment after measuring, do not have hydrogen sulfide index and acoustic wave transducer can not use for a long time under high-pressure situations, a lot of instruments can not be simultaneously at high-pressure gas well and low-pressure gas well test in addition, and the acquisition process circuit of register instrument disturbs big.
The utility model content
In order to solve the above-mentioned technical problem that exists in the background technology, the utility model provides a kind of and can test, can handle tail gas at high pressure and low-pressure gas well simultaneously, can use the jamproof gas well liquid level test of acquisition process circuit instrument for a long time.
Technical solution of the present utility model is: the utility model provides a kind of gas well liquid level test instrument, and its special character is: described gas well liquid level test instrument comprises infrasound High Pressure Gun, data logger and PC software; Described infrasound High Pressure Gun links to each other with data logger.
Above-mentioned infrasound High Pressure Gun comprises gas well connecting interface, acoustic wave transducer, gas storage storehouse and gas purging device; Described acoustic wave transducer is arranged on oil gas Jing Lianjiejiekouchu; Described gas well connecting interface and gas storage storehouse connect; Described gas purging device and gas storage storehouse connect; Described gas storage storehouse is provided with pressure meter; Described acoustic wave transducer links to each other with data logger.
Above-mentioned infrasound High Pressure Gun also comprises main control valve, venting valve and charging valve; Described gas well connecting interface connects by main control valve and gas storage storehouse; Described gas storage storehouse is connected with the venting valve; Described gas purging device connects by charging valve and gas storage storehouse.
Above-mentioned infrasound High Pressure Gun also comprises gas emission device; Described gas storage storehouse connects by venting valve and gas emission device.
Above-mentioned infrasound High Pressure Gun also comprises the temperature, pressure checkout gear that is arranged on gas well connecting interface place; Described temperature, pressure checkout gear links to each other with data logger.
The said temperature pressure-detecting device is temperature pick up and pressure sensor.
The above-mentioned gas blow device is nitrogen cylinder.
Above-mentioned data logger comprises data acquisition unit; Described data acquisition unit comprises wave filter, signal conditioning circuit and the variable gain amplifier of liquid surface wave and box cupling ripple; The wave filter of described liquid surface wave and box cupling ripple links to each other with variable gain amplifier by signal conditioning circuit; Described infrasound High Pressure Gun links to each other with acoustic wave transducer.
The utility model advantage is:
The utility model provides a kind of gas well liquid level test instrument, and this liquid level test instrument comprises infrasound High Pressure Gun, data logger and PC software; This instrument withstand voltage height, working pressure is 35MPa, safe pressure is 40MPa.Anti-H 2 S, acoustic wave transducer be high pressure resistant, have exhaust gas processing device, high pressure air rifle also to be applicable to the low-pressure gas well liquid level test.The utlity model has advantages such as handling safety, easy to use, easy care.The utility model solved existing instrument can not test h2s gas well, simultaneously at high pressure and low-pressure gas well test, and have vent gas treatment, have long-time handling characteristics.
Description of drawings
Fig. 1 is the structural representation of high-pressure gas well liquid level test instrument provided by the utility model;
Wherein:
1-gas well connecting interface; The 2-acoustic wave transducer; 3-temperature, pressure checkout gear; The 4-main control valve; 5-gas storage storehouse; The 6-pressure meter; 7-tail gas blow device; The 8-valve of exitting; The 9-gas emission device; The 10-charging valve; The 11-data logger.
The specific embodiment
The utility model provides a kind of gas well liquid level test instrument, and this gas well liquid level test instrument comprises infrasound High Pressure Gun, data logger 11 and PC software; Infrasound High Pressure Gun and data logger 11.Data logger carries out data acquisition, storage, playback.PC software has post-processed, data interpretation, the printing reports function of data.
The infrasound High Pressure Gun comprises gas well connecting interface 1, acoustic wave transducer 2, main control valve 4, venting valve 8, charging valve 10, gas storage storehouse 5 and gas purging device; Acoustic wave transducer 2 is arranged on gas well connecting interface 1 place; Gas well connecting interface 1 connects by main control valve 4 and gas storage storehouse 5; The gas purging device connects by charging valve 10 and gas storage storehouse 5; Gas storage storehouse 5 is provided with pressure meter 6; Acoustic wave transducer 2 links to each other with data logger 11; Gas storage storehouse 5 is connected with venting valve 8.
The infrasound High Pressure Gun also comprises gas emission device 9; Gas storage storehouse 5 connects with gas emission device 9 by venting valve 8.
The infrasound High Pressure Gun also comprises the temperature, pressure checkout gear 3 that is arranged on gas well connecting interface 1 place; Temperature, pressure checkout gear 3 links to each other with data logger 11.
Temperature, pressure checkout gear 3 is temperature pick up and pressure sensor; The gas purging device is nitrogen cylinder.
The part of data acquisition of data logger comprises hardware and software two parts.Hardware components possesses and acoustic wave transducer electrical quantity coupling, the filtering of signal, the shaping of signal and the enlarging function of signal.The electric impulse signal of acoustic wave transducer output needs the coupling of circuit, and Hardware Subdivision branch does the electrical quantity coupling automatically, makes the test effect reach optimum efficiency according to the amplitude of electric impulse signal.After the electrical quantity coupling, deliver to liquid surface wave and box cupling wave filter, select required changing by wave filter and bind round ripple and liquid surface wave signal, other interference of filtering and clutter.Signal entering signal modulate circuit through filtering carries out shaping to liquid surface wave and box cupling ripple in modulate circuit.Deliver to the amplification of making signal in the amplifier of adjustable gain handles through the signal after the shaping.Be the liquid surface wave and the box cupling ripple that need through amplifying signal and supply the data collecting module collected record.
Software section possesses the function of automatic amplifying signal.Automatically the function of amplifying signal can be finished in data acquisition gathering signal (finishing the amplification to signal in the attenuation process of signal, is that deamplification is compensated).The storage of data logger, playback function.Data logger record acquisition The data mass data storage mode can make test data keep 30000; The playback of data function can make data logger operate (finishing the unloading of data) with the form of USB flash disk for user writable;
PC software major function has post-processed, data interpretation, the printing reports of data.The data post-processed.If not ideal through waveform after the hardware handles, can select the PC software filtering, test waveform is done subsequent treatment, data interpretation, printing reports.PC software can demonstrate each sampled point of test clearly, so more is conducive to further investigate test data.The data of having explained can be printed with the form of form.
Below in conjunction with accompanying drawing the high-pressure gas well liquid level test instrument course of work is described.
The high-pressure gas well operating process as shown in Figure 1, is connected instrument on the well head by gas well connecting interface 1 earlier, substitute tail gas blow device 7 with nitrogen cylinder, open main control valve 4, venting valve 8, charging valve 10, slowly open the nitrogen cylinder vent valve, with the air in the nitrogen cleaning instrument.Close charging valve 10, open head valve, with nitrogen in the gas well gas cleaning instrument, close venting valve 8, when gas storage storehouse 5 pressure and well head pressure balance, close main control valve 4, slowly open venting valve 8, when the pressure in gas storage storehouse 5 shows and remains on about 2Mpa at pressure meter 6, close venting valve 8.Open main control valve 4 this moment rapidly, well head gases at high pressure moments enters in the gas storage storehouse 5 by main control valve, produce infrasound, sound wave is propagated to the down-hole along annular space, the sound wave that reflects is received by acoustic wave transducer 2 and converts the signal of telecommunication to, and simultaneous temperature pressure-detecting device 3 also converts the casing annulus force value to the signal of telecommunication and imports data logger 11 into.Data logger 11 is according to receiving calculated signals level data and casing annulus pressure data, and data deposit the data storage in the automatic control unit in, finish DATA REASONING one time.When carrying out measuring next time, when gas storehouse and well head pressure balance, close main control valve 4, slowly open the venting valve, gas storehouse pressure is remained on about 2Mpa, close venting valve 8.Open main control valve 4 this moment rapidly, operate the samely, after finishing all and testing, closes head valve and main control valve.Open venting valve 8, discharging gas storage storehouse 5 inner high voltage gases make it pass through gas emission device 9 and absorb, and then open charging valve 10, with tail gas blow device 7 residual gas are discharged by gas emission device 9 to absorb, and finish whole operations.
The low-pressure gas well operating process please continue referring to Fig. 1: instrument is connected well head by gas well connecting interface 1, opens venting valve 8 and charging valve 10, slowly open the nitrogen cylinder vent valve, with the air in nitrogen cleaning gas storage storehouse 5.Close venting valve 8, nitrogen is poured gas storage storehouse 5, when pressure reaches rated value, close charging valve 10, open main control valve 4 rapidly, gas storehouse gases at high pressure moment generation infrasound, sound wave is propagated to the down-hole along annular space, the sound wave that reflects is received by acoustic wave transducer 2 and converts the signal of telecommunication to, and simultaneous temperature pressure-detecting device 3 also converts the casing annulus pressure signal to the signal of telecommunication and imports data logger 11 into.Data logger 11 is according to receiving calculated signals level data and casing annulus pressure data, and data deposit the data storage in the automatic control unit in, finish DATA REASONING.Close charging valve 10 and venting valve 8 then, finish whole operations.
Claims (8)
1. gas well liquid level test instrument, it is characterized in that: described gas well liquid level test instrument comprises infrasound High Pressure Gun and data logger; Described infrasound High Pressure Gun links to each other with data logger.
2. gas well liquid level test instrument according to claim 1, it is characterized in that: described infrasound High Pressure Gun comprises gas well connecting interface, acoustic wave transducer, gas storage storehouse and gas purging device; Described acoustic wave transducer is arranged on gas well connecting interface place; Described gas well connecting interface and gas storage storehouse connect; Described gas purging device and gas storage storehouse connect; Described gas storage storehouse is provided with pressure meter; Described acoustic wave transducer links to each other with data logger.
3. gas well liquid level test instrument according to claim 2 is characterized in that: described infrasound High Pressure Gun also comprises main control valve, venting valve and charging valve; Described gas well connecting interface connects by main control valve and gas storage storehouse; Described gas storage storehouse is connected with the venting valve; Described gas purging device connects by charging valve and gas storage storehouse.
4. gas well liquid level test instrument according to claim 3, it is characterized in that: described infrasound High Pressure Gun also comprises gas emission device; Described gas storage storehouse connects by venting valve and gas emission device.
5. gas well liquid level test instrument according to claim 4, it is characterized in that: described infrasound High Pressure Gun also comprises the temperature, pressure checkout gear that is arranged on gas well connecting interface place; Described temperature, pressure checkout gear links to each other with data logger.
6. gas well liquid level test instrument according to claim 5, it is characterized in that: described temperature, pressure checkout gear is temperature pick up and pressure sensor.
7. according to claim 2 or 3 or 4 or 5 or 6 described gas well liquid level test instrument, it is characterized in that: described gas purging device is nitrogen cylinder.
8. according to the described gas well liquid level test of the arbitrary claim of claim 1-6 instrument, it is characterized in that: described data logger comprises data acquisition unit; Described data acquisition unit comprises wave filter, signal conditioning circuit and the variable gain amplifier of liquid surface wave and box cupling ripple; The wave filter of described liquid surface wave and box cupling ripple links to each other with variable gain amplifier by signal conditioning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733961 CN203114272U (en) | 2012-12-27 | 2012-12-27 | Gas well liquid level tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733961 CN203114272U (en) | 2012-12-27 | 2012-12-27 | Gas well liquid level tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114272U true CN203114272U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220733961 Expired - Lifetime CN203114272U (en) | 2012-12-27 | 2012-12-27 | Gas well liquid level tester |
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| CN (1) | CN203114272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879123A (en) * | 2015-06-02 | 2015-09-02 | 中国海洋石油总公司 | Self-pressurization oil-gas well liquid level testing device |
| CN106837305A (en) * | 2016-12-28 | 2017-06-13 | 中国石油天然气股份有限公司 | The method and apparatus for determining pumpingh well underground level |
-
2012
- 2012-12-27 CN CN 201220733961 patent/CN203114272U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879123A (en) * | 2015-06-02 | 2015-09-02 | 中国海洋石油总公司 | Self-pressurization oil-gas well liquid level testing device |
| CN104879123B (en) * | 2015-06-02 | 2017-05-31 | 中国海洋石油总公司 | A kind of supercharging Oil/gas Well liquid level test device certainly |
| CN106837305A (en) * | 2016-12-28 | 2017-06-13 | 中国石油天然气股份有限公司 | The method and apparatus for determining pumpingh well underground level |
| CN106837305B (en) * | 2016-12-28 | 2020-06-09 | 中国石油天然气股份有限公司 | Method and device for determining underground liquid level depth of pumping well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |