CN106291668A - Micro logging/wave speed logging piezoelectricity system for acquiring seismic data - Google Patents
Micro logging/wave speed logging piezoelectricity system for acquiring seismic data Download PDFInfo
- Publication number
- CN106291668A CN106291668A CN201610590864.2A CN201610590864A CN106291668A CN 106291668 A CN106291668 A CN 106291668A CN 201610590864 A CN201610590864 A CN 201610590864A CN 106291668 A CN106291668 A CN 106291668A
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- logging
- pedestal
- wave speed
- mass body
- piezoelectric device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
- G01V1/52—Structural details
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a kind of micro logging/wave speed logging piezoelectricity system for acquiring seismic data, including choosing shoulder pole type piezoelectric seismometer, digital unit and data storage, processing and display unit；Choosing shoulder pole type piezoelectric seismometer is to be separately installed with piezoelectric device and mass body on pedestal upper and lower surfaces, upper and lower two piezoelectric device opposite directions are installed and are connected in series, this makes the sensitivity of cymoscope double, it is greatly improved the ability of the anti-external interference of cymoscope simultaneously, is conducive to improving the resolution of detection information and the ability of detection small-signal；The output phase place of this cymoscope and focus are unrelated above or below cymoscope, and micro logging/wave speed logging is highly profitable by this.
Description
[technical field]
The invention belongs to geophysical exploration and fields of measurement, relate to petroleum gas, coal and mineral resources exploration
The aspects such as engineering foundation prospecting, are specifically related to a kind of micro logging/wave speed logging piezoelectricity system for acquiring seismic data.
[background technology]
It is a very important element task that static correction is operated in during seismic prospecting data processes, and obtaining, micro logging is low
After speed belt, reduction of speed tape thickness and speed data, it is possible to calculate static correction value accurately and in seism processing, with being somebody's turn to do
The stacked section seriality that method is made is good, and resolution and signal to noise ratio are the highest.
At present, what the use of domestic and international micro logging was most is the moving-coil seismic detection utilizing electromagnetic induction principle to make
Device concatenation receives the excitation signal of micro logging.Limited by its principle and structure, the low and anti-interference energy of the sensitivity of this cymoscope
Power is poor.Have to do explosive source with explosive or detonator in construction, this not only wastes resource, pollutes environment, returns safety and brings
Hidden danger；And be all generally that bunchiness uses, and need pushing device, add production cost, labor intensity and accident rate, from
And also reduce production efficiency.
[summary of the invention]
For overcoming prior art not enough, present invention aim at providing a kind of highly sensitive micro logging/wave speed logging pressure
Electricity system for acquiring seismic data.
It is an object of the invention to be achieved through the following technical solutions:
Micro logging/wave speed logging piezoelectricity system for acquiring seismic data, including choosing the piezoelectric seismometer of shoulder pole type, numeral
Change unit and data storage, process and display unit；
The described piezoelectric seismometer choosing shoulder pole type include mass body, stud, power supply lead wire, upper cover, output line,
Impedance inverter circuit plate, shell body, signal lead, piezoelectric device, pedestal and inner housing；
On pedestal upper and lower surfaces, opposite direction respectively installs one group of piezoelectric device and a mass body, two piezoelectric devices respectively
Being connected in series, pedestal, the piezoelectric device on pedestal two sides, mass body are pacified after being rigidly connected together with impedance inverter circuit plate
Sealing in being contained in housing, the mass body of pedestal upper and lower surface does not contacts with housing, and pedestal is rigidly connected with housing；Electricity
Source lead-in wire, output line and signal lead are respectively welded on the corresponding solder joint of impedance inverter circuit plate；
Described digital unit is for by the analog signal digital of piezoelectric seismometer collection and export；
Data storage, process and display unit carry out processing and showing with waveform for the signal sent by digital unit
Out, and by data store.
Further, the threaded stud in one end inserts from the centre bore of following mass body, by the following pressure that center is porose
The porose piezoelectric device in the porose pedestal in electrical part, center, center, top is screwed into center, top the mass body of screw, makes base
Seat, the piezoelectric device on pedestal two sides, mass body are rigidly connected.
Further, described digital unit includes that the analog signal processing being sequentially connected with, programmable amplifier, A/D become
Parallel operation, logic control circuit and data storage circuitry, logic control circuit is also associated with programmable control module.
Further, described data storage, process and display unit use microcomputer.
Further, described pedestal, piezoelectric device and mass body are arranged in inner housing after being rigidly connected, impedance inverter circuit
Plate is arranged on the upper end of inner housing, inner housing loads in shell body after end closure, upper cover seals.
Further, power supply lead wire and output line are drawn by the centre bore of upper cover, are above stamped female thread, and upper cover is screwed in
Have the upper end of externally threaded shell body, be pressed in above inner housing, make upper cover, inner housing and shell body tightly be connected to one
Rise.The micro logging of the present invention/wave speed logging piezoelectricity system for acquiring seismic data, including choosing shoulder pole type piezoelectric seismometer, number
Word unit and data storage, process and display unit；Described shoulder pole type piezoelectric seismometer of choosing is at pedestal upper and lower two
Being separately installed with piezoelectric device and mass body on face, upper and lower two groups of piezoelectric device opposite directions are installed and are connected in series, pedestal top
Being pressed on pedestal upper and lower surfaces with following mass body and piezoelectric device, this makes the sensitivity of cymoscope double, with
Time greatly increase the ability of the anti-external interference of cymoscope, be conducive to improving the resolution of detection information and detection small-signal
Ability；The phase place of this geophone output signal and focus are unrelated above or below cymoscope, and micro logging/velocity of wave is surveyed by this
Well is highly profitable.
Compared with original electromagnetic induction micro logging system, sensitivity has had the raising of the order of magnitude, the raising of sensitivity
Make to be possibly realized as focus by the method for hammering in micro logging, it is to avoid using explosive and detonator to make focus, this not only saves
Cost, and avoid the explosive pollution to atmospheric environment, eliminate the hidden danger of explosive；One sufficiently high sensitivity
Piezoelectric seismometer just can meet micro logging and gather the needs of signal, and need not pushing device, only need cymoscope shell from
So recline the borehole wall.There is the efficient advantage of laborsaving saving of labor.So, micro logging/wave speed logging piezoelectricity earthquake data acquisition system
System is a kind of efficient, energy-conservation, safe and environment-friendly system for acquiring seismic data.
[accompanying drawing explanation]
Fig. 1. micro logging piezoelectricity system for acquiring seismic data theory diagram；
Fig. 2. micro logging chooses shoulder pole type piezoelectric seismometer structural representation；
In figure: 1-mass body, 2-stud, 3-power supply lead wire, 4-upper cover, 5-output line, 6-impedance inverter circuit plate,
7-shell body, 8-signal lead, 9-piezoelectric device, 10-pedestal, 11-inner housing.
[detailed description of the invention]
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings, but not as to the present invention's
Limit.
As it is shown in figure 1, micro logging/wave speed logging piezoelectricity system for acquiring seismic data is characterized in that being made up of three parts:
Choose shoulder pole type piezoelectric seismometer, digital unit and data storage, process and display unit.
Micro logging/wave speed logging piezoelectricity system for acquiring seismic data, it is characterised in that: include choosing shoulder pole type piezoelectricity earthquake inspection
Ripple device, digital unit and data storage, process and display unit；
Choose described in as in figure 2 it is shown, shoulder pole type piezoelectric seismometer include the upper and lower both sides of pedestal be respectively arranged with a mass body 1,
Stud 2, power supply lead wire 3, upper cover 4, output line 5, impedance inverter circuit plate 6, shell body 7, signal lead 8, pedestal are upper and lower
Both sides are respectively arranged with one group of piezoelectric device 9, pedestal 10 and inner housing 11；
Being separately installed with piezoelectric device and mass body on pedestal upper and lower surfaces, two groups of piezoelectric devices reversely install series connection even
Connecing, pedestal, piezoelectric device and mass body are arranged in inner housing after being rigidly connected by stud, the upper end peace of inner housing
Dress impedance inverter circuit plate, power supply lead wire, output line and signal lead are welded in impedance inverter circuit plate respectively and weld accordingly
On point, then end closure on inner housing, load in shell body, power supply lead wire and output line are drawn by the centre bore of upper cover
Going out, female upper cover is screwed in the upper end of externally threaded shell body, is pressed in above inner housing, make upper cover, inner housing and
Shell body is rigidly connected to together.
The upper and lower piezoelectric device opposite direction of pedestal is installed and is cascaded, and the sensitivity of cymoscope so can be made to improve one
Times, greatly increase the ability of the anti-external interference of cymoscope simultaneously, be conducive to improving the resolution of detection information and detection is little
The ability of signal.
Compared with original electromagnetic induction micro logging system, sensitivity has had the raising of the order of magnitude, the raising of sensitivity
Make to be possibly realized as focus by the method for hammering in micro logging, it is to avoid using explosive and detonator to make focus, this not only saves
Cost, and avoid the explosive pollution to atmospheric environment, eliminate the hidden danger of explosive；One sufficiently high sensitivity
Piezoelectric seismometer just can meet micro logging and gather the needs of signal, and need not pushing device, only need cymoscope shell from
So recline the borehole wall.
Carry out repeatedly micro logging test by HF3216 micro logging/wave speed logging piezo data acquisition system, achieved non-
Effect the best.Compared with original electromagnetic induction method micro logging system, sensitivity has had the raising of the order of magnitude, sensitivity
Improve and make to be possibly realized as focus by the method for hammering in micro logging, it is to avoid use explosive and detonator to make focus.
The structure of the structure choosing shoulder pole type piezoelectric seismometer in this system and conventional piezoelectric seismometer is not
With, the phase place of its output signal is unrelated with the position of focus (focus is above or below cymoscope), and this is to micro logging/velocity of wave
Well logging is highly profitable.Meanwhile, the cymoscope of this structure is the most highly sensitive, signal to noise ratio is the highest, capacity of resisting disturbance is strong.
Described digital unit is for by the analog signal digital of piezoelectric seismometer collection and export；
Data storage, process and display unit carry out processing and showing with waveform for the signal sent by digital unit
Out, and by data store.
Described digital unit includes the analog signal processing being sequentially connected with, programmable amplifier, A/D changer, patrols
Collecting control circuit and data storage circuitry, logic control circuit is also associated with programmable control module.The storage of described data, process
And display unit is the microcomputer being provided with special-purpose software.
Described pedestal 10, piezoelectric device 9 and mass body 1 are arranged in inner housing 11 after being rigidly connected, impedance inverter circuit
Plate 6 is arranged on the upper end of inner housing 11, and power supply lead wire 3, output line 5 and signal lead 8 are welded in impedance inverter circuit respectively
On the corresponding solder joint of plate 6, inner housing 11 loading after end closure in shell body 7, power supply lead wire 3 and output line 5 are by upper
The centre bore of lid 4 is drawn, and female upper cover 4 is screwed in the upper end of externally threaded shell body 7, is pressed in the upper of inner housing 11
Face, makes together with upper cover 4, inner housing 11 be rigidly connected to shell body 7.
The present invention also has the efficient advantage of laborsaving saving of labor.So, micro logging/wave speed logging piezoelectricity earthquake data acquisition system
System is a kind of high sensitivity, high s/n ratio, efficient, energy-conservation, safe and environment-friendly system for acquiring seismic data.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert
The detailed description of the invention of the present invention is only limitted to this, for general technical staff of the technical field of the invention, is not taking off
On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention and be carried
The claims handed over determine scope of patent protection.
Claims (6)
1. micro logging/wave speed logging piezoelectricity system for acquiring seismic data, it is characterised in that: include the piezoelectricity earthquake inspection choosing shoulder pole type
Ripple device, digital unit and data storage, process and display unit；
The described piezoelectric seismometer choosing shoulder pole type includes mass body (1), stud (2), power supply lead wire (3), upper cover (4), letter
Number output lead (5), impedance inverter circuit plate (6), shell body (7), signal lead (8), piezoelectric device (9), pedestal (10) and interior
Housing (11)；
On pedestal (10) upper and lower surfaces, opposite direction respectively installs one group of piezoelectric device (9) and a mass body (1), two pressures respectively
Electrical part (9) is connected in series, pedestal (10), the piezoelectric device (9) on pedestal two sides, mass body (1) be rigidly connected after with
Impedance inverter circuit plate (6) seals in being installed along with housing, and the mass body (1) of pedestal (10) upper and lower surface does not connects with housing
Touching, pedestal (10) is rigidly connected with housing；Power supply lead wire (3), output line (5) and signal lead (8) weld respectively
It is connected on the corresponding solder joint of impedance inverter circuit plate (6)；
Described digital unit is for by the analog signal digital of piezoelectric seismometer collection and export；
Data storage, process and display unit carry out processing and demonstrating with waveform for the signal sent by digital unit
Come, and data are stored.
2. micro logging/wave speed logging piezoelectricity system for acquiring seismic data as claimed in claim 1, it is characterised in that: one end has
The stud (2) of screw thread inserts from the centre bore of following mass body (1), is had by the porose following piezoelectric device (9) in center, center
The porose piezoelectric device (9) in the pedestal (10) in hole, center, top is screwed into center, top the mass body (1) of screw, makes pedestal
(10), the piezoelectric device (9) on pedestal two sides, mass body (1) are rigidly connected.
3. micro logging/wave speed logging piezoelectricity system for acquiring seismic data as claimed in claim 1, it is characterised in that: described number
Analog signal processing that word unit includes being sequentially connected with, programmable amplifier, A/D changer, logic control circuit sum
According to storage circuit, logic control circuit is also associated with programmable control module.
4. micro logging/wave speed logging piezoelectricity system for acquiring seismic data as claimed in claim 1, it is characterised in that: described number
According to storage, process and display unit employing microcomputer.
5. micro logging/wave speed logging piezoelectricity system for acquiring seismic data as claimed in claim 1, it is characterised in that: described base
Seat (10), piezoelectric device (9) and mass body (1) are arranged on after being rigidly connected in inner housing (11), and impedance inverter circuit plate (6) is pacified
It is contained in the upper end of inner housing (11), loads in shell body (7) after the upper end closure of inner housing (11), upper cover (4) seal.
6. micro logging/wave speed logging piezoelectricity system for acquiring seismic data as claimed in claim 5, it is characterised in that: power supply draws
Line (3) and output line (5) are drawn by the centre bore of upper cover (4), are above stamped female thread, and upper cover (4) has been screwed in external screw thread
The upper end of shell body (7), be pressed in above inner housing (11), make upper cover (4), inner housing (11) and shell body (7) tightly
Link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610590864.2A CN106291668A (en) | 2016-07-25 | 2016-07-25 | Micro logging/wave speed logging piezoelectricity system for acquiring seismic data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610590864.2A CN106291668A (en) | 2016-07-25 | 2016-07-25 | Micro logging/wave speed logging piezoelectricity system for acquiring seismic data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106291668A true CN106291668A (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610590864.2A Pending CN106291668A (en) | 2016-07-25 | 2016-07-25 | Micro logging/wave speed logging piezoelectricity system for acquiring seismic data |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270572A (en) * | 2018-11-19 | 2019-01-25 | 西安石油大学 | Magnetic suspension Hall effect geophone and micro logging system for acquiring seismic data |
| WO2020243993A1 (en) * | 2019-06-06 | 2020-12-10 | 山东科技大学 | Photoelectric composite geophone and detection system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2439034Y (en) * | 2000-08-24 | 2001-07-11 | 西安石油勘探仪器总厂 | Terrestrial piezoelectric ceramic seismic detector |
| CN2702324Y (en) * | 2004-06-07 | 2005-05-25 | 刘兆琦 | Land use piezoelectric seismometer |
| CN2755628Y (en) * | 2004-12-13 | 2006-02-01 | 任之 | Unit of seismic prospecting sensor |
| CN2766253Y (en) * | 2004-12-31 | 2006-03-22 | 朱军 | Anti-noise piezo-electric acceleration detector |
| CN104749615A (en) * | 2015-03-18 | 2015-07-01 | 中南大学 | Radio detector for seismic exploration or vibration test |
| CN105487109A (en) * | 2015-12-25 | 2016-04-13 | 中国石油天然气集团公司 | Piezoelectric wave detection device and voltage-sensitive structure |
-
2016
- 2016-07-25 CN CN201610590864.2A patent/CN106291668A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2439034Y (en) * | 2000-08-24 | 2001-07-11 | 西安石油勘探仪器总厂 | Terrestrial piezoelectric ceramic seismic detector |
| CN2702324Y (en) * | 2004-06-07 | 2005-05-25 | 刘兆琦 | Land use piezoelectric seismometer |
| CN2755628Y (en) * | 2004-12-13 | 2006-02-01 | 任之 | Unit of seismic prospecting sensor |
| CN2766253Y (en) * | 2004-12-31 | 2006-03-22 | 朱军 | Anti-noise piezo-electric acceleration detector |
| CN104749615A (en) * | 2015-03-18 | 2015-07-01 | 中南大学 | Radio detector for seismic exploration or vibration test |
| CN105487109A (en) * | 2015-12-25 | 2016-04-13 | 中国石油天然气集团公司 | Piezoelectric wave detection device and voltage-sensitive structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270572A (en) * | 2018-11-19 | 2019-01-25 | 西安石油大学 | Magnetic suspension Hall effect geophone and micro logging system for acquiring seismic data |
| WO2020243993A1 (en) * | 2019-06-06 | 2020-12-10 | 山东科技大学 | Photoelectric composite geophone and detection system |
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Application publication date: 20170104 |