CN203463100U - Well depth surveying device - Google Patents
Well depth surveying device Download PDFInfo
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- CN203463100U CN203463100U CN201320517130.3U CN201320517130U CN203463100U CN 203463100 U CN203463100 U CN 203463100U CN 201320517130 U CN201320517130 U CN 201320517130U CN 203463100 U CN203463100 U CN 203463100U
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Abstract
The utility model provides a well depth surveying device, which comprises an optical pulse generating device, a counting circuit and a calibrating circuit. The calibrating circuit is connected with the counting circuit, and is used for receiving optical pulses from the optical pulse generating device, adjusting the number of the optical pulses according to a control instruction to form count pulses, and outputting the count pulses to the counting circuit for counting. According to the well depth surveying device, the accuracy of the well depth survey is improved through the calibration of the calibrating circuit; meanwhile, the service life of a driving wheel and a cable is prolonged and resource consumption is reduced.
Description
Technical field
The utility model relates to measuring technique, relates in particular to a kind of well depth survey device.
Background technology
In mining industry, ground gas pump drainage borehole engineering cost is high, and difficulty of construction is large, and technical requirements is high, for guaranteeing to complete in high quality Completion of Drilling Hole task, accurate depth-logger is one of key, for example, Gu quality of the He Tao cave, position of the degree of depth ,Er road sleeve pipe floral tube of pipe boring section etc.This just requires physical prospecting team that the high-quality borehole logging degree of depth is provided.
Available technology adopting is structure depth-logger as shown in Figure 1.In structure shown in Fig. 1, comprise driving wheel 11, photoelectric code disk pinion 12, two directive wheels 14.Cable 13 contacts with driving wheel 11 through directive wheel 14, can drive driving wheel 11 to rotate, and the rotation of driving wheel 11 can drive photoelectric code disk pinion 12 to rotate in the drawing process of cable 13.Driving wheel 11 girths are 0.5 meter, every rotation one circle of driving wheel 11, photoelectric code disk pinion 12 rotates 10 circles, photoelectric code disk pinion 12 is grating, and every circle produces 500 light pulses, and the every walking of logging cable 13 is 1 meter like this, driving wheel 11 rotates two circles, photoelectric code disk pinion 12 rotates 20 circles, produces 10000 light pulses, i.e. each light pulse represents 0.0001 meter.Well depth survey device generally comprises light signal amplification circuit and counting circuit, light signal amplification circuit for pulse signal is amplified, the processing such as filtering, shaping so that follow-up, by counting circuit paired pulses, counted, convert length value to.Light pulse enters counting circuit and counts after 100 frequency divisions, obtains actual depth-logger.
While adopting prior art depth-logger, cable 13 rolling friction campaign relative to driving wheel 11, due to the long rubbing action of cable 13, the diameter of driving wheel 11 can diminish because of wearing and tearing, and cable 13 is used for a long time, diameter also can diminish, thereby during the cable by 1 meter long, can produce the light pulse more than 10,000, when drilling depth is larger, the error that accumulation is got up can not be ignored, reach sometimes 2-3 rice, thereby surpass the technical standard of well logging rules.
Utility model content
The utility model provides a kind of well depth survey device, and the measure error causing due to friction while adopting prior art depth-logger for the solving problem that exceeds standard, improves the accuracy of well depth survey.
First aspect, the utility model provides a kind of well depth survey device, comprise light pulse generating apparatus, counting circuit and calibration circuit, described calibration circuit is connected with described counting circuit, for receiving light pulse from described light pulse generating apparatus, and according to the quantity that controls the described light pulse of indication adjustment, formation count pulse is exported to described counting circuit and is counted.
According to first aspect, in the possible implementation of the first of first aspect, described calibration circuit comprises:
Frequency divider, has the divided pulse of different frequency for described light pulse frequency division being exported to two-way at least, and for described light pulse frequency division output is adjusted to pulse;
Adjust switch, for control the adjustment pulse of output respective amount according to switch;
Combiner unit, for selecting a road divided pulse from two-way divided pulse at least, superposes with described adjustment pulse, increases or reduces the quantity of described adjustment pulse, and export described counting circuit to from described divided pulse.
The implementation possible according to the first of first aspect, in the possible implementation of the second of first aspect, described adjustment switch comprises the first switching device and second switch device, wherein, at least two the first switching devices are connected one by one with at least two-way divided pulse of frequency divider respectively, for selecting to export a road divided pulse; Second switch device is connected one by one with adjustment pulse respectively, for selecting to export at least one road, adjusts pulse.
The implementation possible according to the second of first aspect, in the third possible implementation of first aspect, described combiner unit comprises:
The first NAND gate, each input is connected with the second switch device of adjusting switch respectively, for pulse is adjusted at least one road, merges;
The second NAND gate and the 3rd NAND gate, an input of described the second NAND gate is connected with the output of described the first NAND gate, an input of described the 3rd NAND gate is connected with the first switching device described in each, and described the second NAND gate is connected with the other side's output respectively with described the 3rd NAND gate another input separately;
The 4th NAND gate, carries out anti-phase processing for input optical pulse;
The 5th NAND gate, two inputs are connected with the output of described the 4th NAND gate, and another two inputs are connected with the output of described the second NAND gate, for obtaining by adjusting the divided pulse after pulse is adjusted.
According to the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect, also comprise:
Counting direction adjustment unit, for receiving the divided pulse after described adjustment, and for receiving the direction signs pulse corresponding with described light pulse, according to the divided pulse after described adjustment and described direction signs pulse, to counting circuit, export count pulse and direction signs level.
According to the 4th of first aspect the kind of possible implementation, in the 5th kind of possible implementation of first aspect, described counting direction adjustment unit comprises:
The 6th NAND gate and the 7th NAND gate, two inputs of described the 6th NAND gate are connected with the output of described the 5th NAND gate, for receiving the divided pulse after described adjustment, and it is carried out to anti-phase processing, two inputs of the 7th NAND gate are connected with the output of described the 6th NAND gate;
The 8th NAND gate, for receiving the direction signs pulse corresponding with described light pulse;
The 9th NAND gate and the tenth NAND gate, described the 9th NAND gate is connected with the output of described the 8th NAND gate with described a tenth NAND gate input separately, described the 9th NAND gate is connected with the output of described the 7th NAND gate with described the tenth NAND gate another input separately, is respectively used to counting circuit output count pulse and direction signs level.
The well depth survey device that the utility model provides, by the calibration of calibration circuit, has improved the accuracy of well depth survey; Meanwhile, extend the application life of driving wheel and cable, reduce resource consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of light pulse generating apparatus in prior art well depth survey device;
Fig. 2 is the structural representation of the utility model well depth survey device embodiment mono-;
Fig. 3 is the utility model well depth survey device embodiment mono-alignment circuit theory diagrams;
Fig. 4 adjusts the topology example figure of switch in the utility model well depth survey device embodiment mono-.
The specific embodiment
Embodiment mono-
Fig. 2 is the structural representation of the utility model well depth survey device embodiment mono-.As shown in Figure 2, this measurement mechanism comprises calibration circuit 20, light pulse generating apparatus 21 and counting circuit 22, and calibration circuit 20 is connected between light pulse generating apparatus 21 and counting circuit 22.
Wherein, calibration circuit 20 is for receiving light pulse from 21 light pulse generating apparatus, and according to the quantity that controls this light pulse of indication adjustment, formation count pulse is exported to counting circuit 22 and counted.
It will be understood by those skilled in the art that, in specific implementation process, light pulse generating apparatus 21 can adopt structure as shown in Figure 1.
Fig. 3 is the utility model well depth survey device embodiment mono-alignment circuit theory diagrams.As shown in Figure 3, this calibration circuit comprises: frequency divider 31, adjustment switch 32 and combiner unit 33, wherein:
It will be appreciated by those skilled in the art that, in concrete implementation process, choose, frequency divider 31 can adopt binary string linage-counter, for its input signal is carried out to frequency division, as shown in Figure 3, light pulse is after the 4th NAND gate is anti-phase, as the input signal of frequency divider 31, by 31 pairs of these input signals of frequency divider, carry out frequency division, for example, frequency divider 31 comprises 12 pins, be respectively Q1 to Q12, wherein, pin Q1 is output as input signal is carried out to two divided-frequency, the like, pin Q12 is output as input signal is carried out to ten two divided-frequencies.
Further, adjust switch 32 and comprise the first switching device 321 and second switch device 322, wherein, at least two the first switching devices 321 are connected one by one with at least two-way divided pulse of frequency divider 31 respectively, for selecting to export a road divided pulse; Second switch device 322 is connected one by one with adjustment pulse respectively, for selecting to export at least one road, adjusts pulse.
In concrete implementation process, choose, adjusting switch 32 can be a pencil switches set, totally 8 groups, as shown in Figure 4, wherein, the first switch to the four switches are as the first switching device 321, be connected one by one with frequency divider 31 tetra-tunnel divided pulses respectively, for selecting to export a road divided pulse; The 5th switch to the eight switches, as second switch device 322, are connected with adjustment pulse respectively one by one, for selecting to export at least one road, adjust pulse.
With reference to figure 3 and Fig. 4, adjust pin 1～4 short circuit of switch 32 simultaneously, represent divided pulse, the pulse radix being subtracted, for example, pin 1 represents 4096, and pin 2 represents 2048, and pin 3 represents 1024, and pin 4 represents 512; Adjust the pin 5～8 of switch 32, represent to adjust pulse, need the pulse number that deducts, for example, it is 1 that pulse is adjusted in pin 5 representatives, it is 2 that pulse is adjusted in pin 6 representatives, and it is 4 that pulse is adjusted in pin 7 representatives, and it is 8 that pulse is adjusted in pin 8 representatives, wherein, pin 5～8 selects several arbitrarily, and expression selected bit is set up the value of representative and carries out wig computing, is the pulse number cutting.
Further, combiner unit 33 comprises: the first NAND gate 331, the second NAND gate 332, the 3rd NAND gate 333, the 4th NAND gate 334 and the 5th NAND gate 335, wherein:
The first NAND gate 331, each input is connected with the second switch device 322 of adjusting switch 32 respectively, for pulse is adjusted at least one road, merges; The second NAND gate 332 and the 3rd NAND gate 333, an input of the second NAND gate 332 is connected with the output of the first NAND gate 331, an input of the 3rd NAND gate 333 is connected with each first switching device 321, and the second NAND gate 332 is connected with the other side's output respectively with the 3rd NAND gate 333 another input separately; The 4th NAND gate 334, carries out anti-phase processing for input optical pulse; The 5th 335, two of NAND gates input is connected with the output of the 4th NAND gate 334, and another two inputs are connected with the output of the second NAND gate 332, for obtaining by adjusting the divided pulse after pulse is adjusted.
Well surveying device when work, if the first switch in on-state, rest switch, in off-state, represents that depth-logger value is normal, if the 3rd switch and the 6th switch are in on-state, rest switch is in off-state, be illustrated in 1024 divided pulses and deduct and remove 2 adjustment pulses, now, if connect the 5th switch simultaneously, be illustrated in and in 1024 divided pulses, deduct 3 and adjust pulses, when no signal, the input no signal input being connected with each first switching device 321 in the 3rd NAND gate 333, now, the 3rd NAND gate 333 is output as " 1 ", the second NAND gate 332 conductings, during the first NAND gate 331 is output as " 1 ", the output of the second NAND gate 332 is " 0 ", no pulse output, the i.e. light pulse of this time is removed, the 5th NAND gate 335 is output as and in light pulse, deducts 2 signals of adjusting pulse.Other situation the like put through respective switch after calculating.
Further, described device can also comprise: counting direction adjustment unit 34, for receiving the divided pulse after described adjustment, and for receiving the direction signs pulse corresponding with described light pulse, according to the divided pulse after described adjustment and described direction signs pulse, to counting circuit, export count pulse and direction signs level.
Further, counting direction adjustment unit 34 can comprise: the 6th NAND gate 341, the 7th NAND gate 342, the 8th NAND gate 343, the 9th NAND gate 344 and the tenth NAND gate 345, wherein:
The 6th NAND gate 341 and the 7th NAND gate 342, two inputs of the 6th NAND gate 341 are connected with the output of the 5th NAND gate 335, for receiving the divided pulse after described adjustment, and it is carried out to anti-phase processing, two inputs of the 7th NAND gate 342 are connected with the output of the 6th NAND gate 341; The 8th NAND gate 343, for receiving the direction signs pulse corresponding with light pulse; The 9th NAND gate 344 and the tenth NAND gate 345, the 9th NAND gate 344 is connected with the output of the 8th NAND gate 343 with the tenth NAND gate 345 input separately, the 9th NAND gate 344 is connected with the output of the 7th NAND gate 342 with the tenth NAND gate 345 another input separately, is respectively used to counting circuit output count pulse and direction signs level.
In structure as shown in Figure 3, if during 90 °, the leading light pulse phase place of the phase place of direction signs pulse, the tenth NAND gate 345 is output as high level, be that direction signs level is high level, the 9th NAND gate 344 is output as count pulse, now, counting circuit adopts plus coujnt, and the length of the cable of well depth survey device is being elongated; If during 90 °, the phase place hysteresis light pulse phase place of direction signs pulse, the tenth NAND gate 345 is output as count pulse, and the 9th NAND gate 344 is output as direction signs level, now, counting circuit adopts subtraction counting, and the length of the cable of well depth survey device is shortening.
It should be noted that, also comprise resistance and electric capacity in this calibration circuit, these electric capacity and resistance, as protection device, prevent that in circuit, each device is damaged because of high level, and in concrete implementation process, the size of each resistance and electric capacity is set by actual demand.Wherein, combiner unit 33 comprises resistance R
1, R
2, R
3, R
4, R
5, R
6and R
7, capacitor C
1, C
2and C
3, in the present embodiment, preferred R
1, R
2, R
3and R
4resistance value equate, be 20 kilohms; R
5, R
6and R
7resistance value equate, be 51 kilohms; C
1, C
2and C
3capacitance equate, be 510 pico farads.Counting direction adjustment unit 34 comprises resistance R
8and R
9, capacitor C
4and C
5, in the present embodiment, preferred R
8and R
9resistance value equate, be 51 kilohms; C
4and C
5capacitance equate, be 200 pico farads.
The utility model is adjusted the quantity of the light pulse of light pulse generating apparatus generation by calibration circuit, obtain count pulse and export to counting circuit and carry out technology, thereby having improved the accuracy of well depth survey; Simultaneously, due to the raising of the accuracy of well depth survey, in the technical standard of well logging rules, relatively extend the application life of driving wheel and cable, avoided, for guaranteeing that logging quality changes driving wheel and cable continually, reducing the consumption of the resources such as human and material resources and financial resources.
Embodiment bis-
In the present embodiment, light pulse generating apparatus adopts device as shown in Figure 1; Calibration circuit adopts circuit as shown in Figure 3, and required electronic device is arranged on circuit board, with thin wire, links and welds, and then accesses power supply and signal, confirm errorless after.Before this well depth survey device is started working, first carry out zero adjustment, implementation Process is as follows:
1, with hand, stir driving wheel 20 circles, 10 meters of length, if now the variation number of counting circuit Display panel is 9.97 or 9.98, prove that this circuit design is errorless.
2, on the smooth ground of spaciousness, the accurate length of 100 meters, the cable of measurement depth measurement mechanism, two ends mark, simulate actual well depth measure field state, by counting circuit, counted, if counted, be actually greater than 100 meters, for example, 100.2 rice, 100 meters differ 0.2 meter, by that analogy, when physical length is 1000 meters, measured value and actual value differ 2 meters, in close ratio, select 1002:2 ≈ 1024:2, first proofread and correct, at this moment need the 3rd switch and the 6th switch connection, represent that in 1024 divided pulses, deducting 2 adjusts pulse, then, stretching cable, is counted by counting circuit again, if now measured value is 100 meters, has calibrated.In practical operation, adopt this well depth survey device simple and easy to do, and measuring accuracy is high.
Finally it should be noted that: each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit above; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (6)
1. a well depth survey device, comprises light pulse generating apparatus and counting circuit, it is characterized in that, also comprises:
Calibration circuit, is connected with described counting circuit, and for receiving light pulse from described light pulse generating apparatus, and according to the quantity that controls the described light pulse of indication adjustment, formation count pulse is exported to described counting circuit and counted.
2. device according to claim 1, is characterized in that, described calibration circuit comprises:
Frequency divider, has the divided pulse of different frequency for described light pulse frequency division being exported to two-way at least, and for described light pulse frequency division output is adjusted to pulse;
Adjust switch, for control the adjustment pulse of output respective amount according to switch;
Combiner unit, for selecting a road divided pulse from two-way divided pulse at least, superposes with described adjustment pulse, increases or reduces the quantity of described adjustment pulse, and export described counting circuit to from described divided pulse.
3. device according to claim 2, it is characterized in that, described adjustment switch comprises the first switching device and second switch device, wherein, at least two the first switching devices are connected one by one with at least two-way divided pulse of frequency divider respectively, for selecting to export a road divided pulse; Second switch device is connected one by one with adjustment pulse respectively, for selecting to export at least one road, adjusts pulse.
4. device according to claim 3, is characterized in that, described combiner unit comprises:
The first NAND gate, each input is connected with the second switch device of adjusting switch respectively, for pulse is adjusted at least one road, merges;
The second NAND gate and the 3rd NAND gate, an input of described the second NAND gate is connected with the output of described the first NAND gate, an input of described the 3rd NAND gate is connected with the first switching device described in each, and described the second NAND gate is connected with the other side's output respectively with described the 3rd NAND gate another input separately;
The 4th NAND gate, carries out anti-phase processing for input optical pulse;
The 5th NAND gate, two inputs are connected with the output of described the 4th NAND gate, and another two inputs are connected with the output of described the second NAND gate, for obtaining by adjusting the divided pulse after pulse is adjusted.
5. device according to claim 4, is characterized in that, also comprises:
Counting direction adjustment unit, for receiving the divided pulse after described adjustment, and for receiving the direction signs pulse corresponding with described light pulse, according to the divided pulse after described adjustment and described direction signs pulse, to counting circuit, export count pulse and direction signs level.
6. device according to claim 5, is characterized in that, described counting direction adjustment unit comprises:
The 6th NAND gate and the 7th NAND gate, two inputs of described the 6th NAND gate are connected with the output of described the 5th NAND gate, for receiving the divided pulse after described adjustment, and it is carried out to anti-phase processing, two inputs of the 7th NAND gate are connected with the output of described the 6th NAND gate;
The 8th NAND gate, for receiving the direction signs pulse corresponding with described light pulse;
The 9th NAND gate and the tenth NAND gate, described the 9th NAND gate is connected with the output of described the 8th NAND gate with described a tenth NAND gate input separately, described the 9th NAND gate is connected with the output of described the 7th NAND gate with described the tenth NAND gate another input separately, is respectively used to counting circuit output count pulse and direction signs level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320517130.3U CN203463100U (en) | 2013-08-22 | 2013-08-22 | Well depth surveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320517130.3U CN203463100U (en) | 2013-08-22 | 2013-08-22 | Well depth surveying device |
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| Publication Number | Publication Date |
|---|---|
| CN203463100U true CN203463100U (en) | 2014-03-05 |
Family
ID=50175472
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320517130.3U Withdrawn - After Issue CN203463100U (en) | 2013-08-22 | 2013-08-22 | Well depth surveying device |
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|---|---|
| CN (1) | CN203463100U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452545A (en) * | 2013-08-22 | 2013-12-18 | 淮南矿业(集团)有限责任公司 | Well depth measuring device |
| CN105988045A (en) * | 2014-11-24 | 2016-10-05 | 中国石油集团长城钻探工程有限公司 | Calibrating circuit in lateral logger |
| CN106321061A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Logging measuring wheel calibration method |
-
2013
- 2013-08-22 CN CN201320517130.3U patent/CN203463100U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452545A (en) * | 2013-08-22 | 2013-12-18 | 淮南矿业(集团)有限责任公司 | Well depth measuring device |
| CN103452545B (en) * | 2013-08-22 | 2016-02-03 | 淮南矿业(集团)有限责任公司 | Well depth survey device |
| CN105988045A (en) * | 2014-11-24 | 2016-10-05 | 中国石油集团长城钻探工程有限公司 | Calibrating circuit in lateral logger |
| CN105988045B (en) * | 2014-11-24 | 2023-04-07 | 中国石油集团长城钻探工程有限公司 | Calibration circuit in lateral logging instrument |
| CN106321061A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Logging measuring wheel calibration method |
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Granted publication date: 20140305 Effective date of abandoning: 20160203 |
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| AV01 | Patent right actively abandoned |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |