CN2924002Y - Well-drilling depth measuring device - Google Patents
Well-drilling depth measuring device Download PDFInfo
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- CN2924002Y CN2924002Y CNU2006202003823U CN200620200382U CN2924002Y CN 2924002 Y CN2924002 Y CN 2924002Y CN U2006202003823 U CNU2006202003823 U CN U2006202003823U CN 200620200382 U CN200620200382 U CN 200620200382U CN 2924002 Y CN2924002 Y CN 2924002Y
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- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 238000005259 measurement Methods 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A drilling depth measure device includes a winch rotational direction analyzer and a rotational angle measure device, a drill machine main hook weight bearing and load measure device and a microprocessor. A pulse signal fan-out of the rotational angle counting and the pulse signal fan-out of the direction analyzer of the winch rotational direction analyzer and the rotational angle measure device are respectively connected with a pulse signal fan-in of counting and a controllable pulse signal fan-in of counting of the microprocessor. A digital signal fan-out of the main hook weight bearing and load is connected with a digital signal fan-in of the microprocessor. The microprocessor has a fan-in and fan-out of drilling depth value and initialized parameters. The device has the advantages of that: the device improves measure-control efficiency and enhances the timeliness precision of response to an environmental signal vibration so as to reduce a interference source to a PC of logging unit and provide a reliable isolation between the measuring head and the PC, thus protects the PC effectively.
Description
One, technical field
The utility model relates to the device that the drilling well well depth is measured, and is a kind of drilling depth measurement mechanism.
Two, background technology
At present, the device that drilling depth is measured generally comprises the computer of well logging instrument, to the identification of winch direction of rotation and the device of rotation angle measurement and the device that rig hook bearing load is measured, drilling depth is just can calculate relatively accurate drilling depth value by computer according to original state parameter such as the signal of the signal of the boring winch that measures and rig hook bearing load and winch and by general professional software.
In the well logging instrument, PC is as main measurement, calculating, data handling system, need to handle in real time tens monitoring parameters, calculate a hundreds of derived data, it is untimely to the measurement (response) of weight on hook value to form computer in the real process, and causes the error of calculation of drilling well well depth (bit location) to increase, and can form bigger cumulative errors in the drilling process continuously, when serious, can influence the authenticity of log data.Because it is untimely that the weight on hook measuring-signal is changed response, drilling tool is sat card, unfreezing state system judgement hysteresis, can make drilling tool length (bit location) error of calculation of proposition (being lowered to) pit shaft increase many, make the monitor data distortion, influence data admission quality, and consequent data correction and playback work can consume many times of staff.Simultaneously, also since the device of measuring to the device of winch direction of rotation identification and rotation angle measurement with to rig hook bearing load directly and computer electrically connect, increased interference source to computer, cause faults such as computer corruption easily, electric leakage accident when serious on the rig can cause the damage of computer, has so just influenced measurement and record to data such as drilling well well depths.
It is existing that to be used for the winch direction of rotation is detected and the device that the winch rotating cycle is measured is generally comprised the sensor that is installed on the winch be that many electronic devices and components such as rotary encoder constitute, there is following problem in it: the jitter that measures, error is bigger, and the stability of a system is relatively poor.
The existing device that is used for that the weight on hook of rig is measured exists all generally that error is big, the shortcoming of system's poor anti jamming capability, dangerous and stability difference.
Three, summary of the invention
The utility model provides a kind of drilling depth measurement mechanism, has overcome the problem that above-mentioned prior art exists, and its signal that measures is stable, error is less, and its system's antijamming capability is strong, stability and safety are better.
The technical solution of the utility model realizes by following measure: a kind of drilling depth measurement mechanism, and it comprises the identification of winch direction of rotation and rotating angle measurement apparatus, rig hook bearing load measurement mechanism and microprocessor; This winch direction of rotation identification comprises rotary encoder, photoelectric isolated chip and phase demodulation frequency multiplication integrated circuit with rotating angle measurement apparatus, rotary encoder is installed on the winch, the first phase pulse signal output of rotary encoder with first mutually the signal input part of photoelectric isolated chip electrically connect by cable, the first phase pulse signal input of the signal output part of the first phase photoelectric isolated chip and phase demodulation frequency multiplication integrated circuit electrically connects; The second phase pulse signal output of rotary encoder with second mutually the signal input part of photoelectric isolated chip electrically connect by cable, the second phase pulse signal input of the signal output part of the second phase photoelectric isolated chip and phase demodulation frequency multiplication integrated circuit electrically connects; The direction identification level pulse signal output part of phase demodulation frequency multiplication integrated circuit, the direction level signal of output winch forward or reverse, the anglec of rotation counting pulse signal output of phase demodulation frequency multiplication integrated circuit, output are used for the pulse signal of the anglec of rotation counting of winch; This rig hook bearing load measurement mechanism comprises pressure sensor, current/voltage converter ic and analog signal-data signal converter ic, pressure sensor is installed on the hydraulic pressure pressure difference transmitter that the dead line anchor of the hook lifting appliance of rig forms, the input of the signal output part of pressure sensor and current/voltage converter ic electrically connects, the signal input part of the signal output part of current/voltage converter ic and analog signal-data signal converter ic electrically connects, the data signal of the rig hook bearing load that the digital signal output end output of analog signal-data signal converter ic measures; Anglec of rotation counting pulse signal output, direction identification pulse signal output part, electrically connect with the counting pulse signal input of microprocessor and the count pulse control input end of microprocessor respectively, the digital signal output end of rig hook bearing load and the digital signal input end of microprocessor electrically connect, and microprocessor has the I/O of drilling depth value and initiation parameter value.
Be further optimization and/or improvements below to above-mentioned technical solutions of the utility model:
The frequency multiplication phase demodulation of above-mentioned phase demodulation frequency multiplication integrated circuit drives clock signal input terminal and can electrically connect with the signal output part of clock division integrated circuit.
The clock signal input terminal of above-mentioned clock division integrated circuit can electrically connect with the signal output part of clock circuit.
The first phase power input of above-mentioned rotary encoder can with first mutually the output of power regulator electrically connect.
The second phase power input of above-mentioned rotary encoder can with second mutually the output of power regulator electrically connect.
The signal output part of above-mentioned current/voltage converter ic can and the signal input part of analog signal-data signal converter ic between be serially connected with the active power filtering integrated circuit.
The power input of above-mentioned pressure sensor can electrically connect with the output of power regulator.
Above-mentioned analog signal-data signal converter ic can have the control signal I/O, and electrically connects with the microprocessor control signal I/O.
The input end of clock electricity of above-mentioned microprocessor connects can clock circuit.
The drilling depth value of above-mentioned microprocessor and the I/O Electricity Federation of initiation parameter value are connected to the communication interface integrated circuit with computer.
The beneficial effects of the utility model are: the drilling depth in the computer of original well logging instrument is measured computing function separate from computer; by identification of winch direction of rotation and rotating angle measurement apparatus; rig hook bearing load measurement mechanism and microprocessor constitute the utility model drilling depth measurement mechanism; and can be by carrying out inputing or outputing of relevant data with the communication interface circuit of computer communication and the computer of well logging instrument; because observing and controlling efficient improves; the response promptness of variable signal strengthens to external world; therefore reduced the measurement error of calculation of well logging instrument drilling depth (bit location) to a great extent; improved the precision of well logging instrument well depth survey; also reduced interference source to the computer of well logging instrument; and will measure front end and computer has carried out effective isolation, thereby computer has been played effective protective effect.
Four, description of drawings
Accompanying drawing 1 is the schematic block circuit diagram of the utility model most preferred embodiment,
Accompanying drawing 2 is the circuit diagram of winch direction of rotation identification and rotating angle measurement apparatus in the utility model most preferred embodiment, and accompanying drawing 3 is the signal measurement schematic diagram in the accompanying drawing 2,
Accompanying drawing 4 is the circuit diagram of rig hook bearing load measurement mechanism in the utility model most preferred embodiment,
Accompanying drawing 5 concerns circuit diagram for electrically connecting of microprocessor in the utility model most preferred embodiment,
Coding in the accompanying drawing is respectively: A is first phase mutually, and B is second phase mutually; Ain+ is the output signal of the first phase pulse signal output of rotary encoder, and Bin+ is the output signal of the second phase pulse signal output of rotary encoder; A-OUT is the output pulse signal of the signal output part of the first phase photoelectric isolated chip, and B-OUT is the output pulse signal of the signal output part of the second phase photoelectric isolated chip; ALE is the clock signal of the signal output part output of clock circuit; ADO-AD7 is the data signal of output, and mA-IN is the weight on hook current analog signal that measures, and A/Din is the input signal of analog signal-data signal converter ic; JCLK drives clock signal for frequency multiplication, the phase demodulation of the output of clock division integrated circuit; U2 is the clock division integrated circuit, U3 is a phase demodulation frequency multiplication integrated circuit, U4 is analog signal-data signal converter ic, U5 is the active power filtering integrated circuit, U6 is the current/voltage converter ic, U7 is the first phase power regulator, and U8 is the second phase power regulator, and U9 is a power regulator; P1.0 is the anglec of rotation counting pulse signal output of phase demodulation frequency multiplication integrated circuit, and P1.1 is the direction identification level pulse signal output part of phase demodulation frequency multiplication integrated circuit.
Five, the specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1 to 5, this drilling depth measurement mechanism comprises the identification of winch direction of rotation and rotating angle measurement apparatus, rig hook bearing load measurement mechanism and microprocessor;
This winch direction of rotation identification comprises rotary encoder, photoelectric isolated chip and phase demodulation frequency multiplication integrated circuit U3 with rotating angle measurement apparatus, rotary encoder is installed on the winch, the first phase pulse signal output of rotary encoder with first mutually the signal input part of photoelectric isolated chip electrically connect by cable, the first phase pulse signal input of the signal output part of the first phase photoelectric isolated chip and phase demodulation frequency multiplication integrated circuit U3 electrically connects; The second phase pulse signal output of rotary encoder with second mutually the signal input part of photoelectric isolated chip electrically connect by cable, the second phase pulse signal input of the signal output part of the second phase photoelectric isolated chip and phase demodulation frequency multiplication integrated circuit U3 electrically connects; The direction identification level pulse signal output part P1.1 of phase demodulation frequency multiplication integrated circuit U3, the direction level signal of output winch forward or reverse, the anglec of rotation counting pulse signal output P1.0 of phase demodulation frequency multiplication integrated circuit U3, output is used for the pulse signal of the anglec of rotation counting of winch; This rig hook bearing load measurement mechanism comprises pressure sensor, current/voltage converter ic U6 and analog signal-data signal converter ic U4, pressure sensor is installed on the hydraulic pressure pressure difference transmitter that the dead line anchor of the hook lifting appliance of rig forms, the input of the signal output part of pressure sensor and current/voltage converter ic U6 electrically connects, the signal input part of the signal output part of current/voltage converter ic U6 and analog signal-data signal converter ic u4 electrically connects, the data signal of the rig hook bearing load that the digital signal output end output of analog signal-data signal converter ic U4 measures; Anglec of rotation counting pulse signal output P1.0, direction identification pulse signal output part P1.1, electrically connect with the counting pulse signal input of microprocessor and the count pulse control input end of microprocessor respectively, the digital signal output end of rig hook bearing load and the digital signal input end of microprocessor electrically connect, and microprocessor has the I/O of drilling depth value and initiation parameter value.
As shown in Figure 2, the frequency multiplication phase demodulation of phase demodulation frequency multiplication integrated circuit U3 drives clock signal input terminal and can electrically connect with the signal output part of clock division integrated circuit U2, the clock signal input terminal of clock division integrated circuit U2 and the signal output part of clock circuit electrically connect, thereby further improve certainty of measurement.As shown in Figure 2; the first phase power input of rotary encoder with first mutually the output of power regulator U7 electrically connect; the second phase power input of rotary encoder with second mutually the output of power regulator U8 electrically connect, the working power that offers rotary encoder is regulated and overcurrent protection.
As shown in Figure 4, be serially connected with active power filtering integrated circuit U5 between the signal input part of the signal output part of current/voltage converter ic U6 and analog signal-data signal converter ic U4, thereby strengthen the antijamming capability of system.As shown in Figure 4, the output of the power input of pressure sensor and power regulator U9 electrically connects, and the working power that offers pressure sensor is regulated and overcurrent protection.As shown in Figure 4, analog signal-data signal converter ic U4 has the control signal I/O, and electrically connects with the microprocessor control signal I/O.As shown in Figure 5, the input end of clock electricity of microprocessor is connected to clock circuit.
As shown in Figure 5, the I/O Electricity Federation of the drilling depth value of microprocessor and initiation parameter value is connected to the interface integrated circuit with the computer communication.
In the utility model: the circuit appliance elements such as communication interface integrated circuit of used power regulator, rotary encoder, photoelectric isolated chip, phase demodulation frequency multiplication integrated circuit, clock division integrated circuit, power regulator, pressure sensor, current/voltage converter ic, active power filtering integrated circuit, analog signal-data signal converter ic, microprocessor, clock circuit, computer all are to adopt technique known.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The identification of winch direction of rotation is as follows with the operating principle of rotating angle measurement apparatus in the utility model most preferred embodiment: at first, as shown in Figure 2, the clock signal (ALK) of the clock signal output terminal of clock circuit (ALE end) output, input end of clock (the CLK end of clock division circuits) input from clock division integrated circuit U2, after clock division circuits U2 is to input signal 10 frequency divisions (input signal is divided by 10), frequency multiplication from the output of the clock division signal output part (CO end) of clock division circuits U2, phase demodulation drives clock signal JCLK, and from the input of the clock signal input terminal (IN/CLK) of phase demodulation frequency multiplication integrated circuit, and, guarantee that logic circuit is according to the certain time sequence logic operation among the phase demodulation frequency multiplication integrated circuit U3 as the operation clock of logic circuit among the phase demodulation frequency multiplication integrated circuit U3; Secondly, shown in accompanying drawing 2 and 3, measure the two-phase pulse signal (being called the first phase pulse signal Ain+ and the second phase pulse signal Bin+) of the rotary encoder output of winch rotation status, be sent to photoelectric isolated chip by cable and carry out the photoelectricity isolation, the input of output signal A-OUT after the photoelectric isolated chip element separation and B-OUT phase demodulation frequency multiplication integrated circuit U3, thus reduce or avoided interference and protective effect phase demodulation frequency multiplication integrated circuit; Then, as shown in Figure 3, carry out logical operation by the logic circuit among the phase demodulation frequency multiplication integrated circuit U3 according to the signal of importing, (as: high level is for just changeing from the phase discrimination signal that is used for the control counter counting direction of the phase demodulation output (P1.1) of phase demodulation frequency multiplication integrated circuit U3 output winch forward or reverse, low level is counter-rotating), frequency multiplication logic circuit in clock (the pulse signal string of fixed frequency) the driving phase demodulation frequency multiplication integrated circuit U3 in the phase demodulation frequency multiplication integrated circuit U3 carries out the quadruple computing to each pulse signal of the two-phase pulse signal of input, exports the pulse signal that the winch anglec of rotation is counted from the terminal count output (P1.0) of phase demodulation frequency multiplication integrated circuit U3; So just realized accurately the declaring of the direction of winch forward or reverse also realized the relatively accurate measurement to the winch anglec of rotation.
The operating principle of rig hook bearing load measurement mechanism is as follows in the utility model most preferred embodiment: at first, as shown in Figure 4, the pressure sensor of measuring weight on hook is transformed to current signal with the hook pressure signal that measures, the signal input part (the 3rd end (mA_IN end)) of the current/voltage converter ic U6 that is sent to by cable is a voltage signal in current/voltage converter ic U6 inner conversion; Output to the active filter integrated circuit U5 that forms by the computing integrated amplifier from the signal output part (the 14th, 15 end) of current/voltage converter ic U6; And the voltage signal of active filter integrated circuit U5 output, voltage signal input (1 end (voltage signal input)) input from analog signal-data signal converter ic U4, the voltage signal of input is converted to the digital quantity of expression voltage signal in analog signal-data signal converter ic U4, from numerical data output (the ADO Abandon D7) output of analog signal-data signal converter ic U4, so just finished the relatively accurate measurement of hook bearing load.
The operating principle of microprocessor is as follows in the utility model most preferred embodiment: at first microprocessor just can calculate relatively accurate drilling depth value according to original state parameter such as the signal of the signal of the boring winch that measures and rig hook bearing load and winch and by general professional software, secondly the drilling depth value that obtains is electrically connected by the computer with the interface integrated circuit of computer communication and well logging instrument and, can also come to set the input initialization parameter value by computer simultaneously to microprocessor with in its input computer.So just reduced the computer interference source of well logging instrument, and will measure front end and computer has carried out effective isolation, thereby computer has been played effective protective effect, the work that also makes the computer of well logging instrument keep normal mounting.
Claims (10)
1, a kind of drilling depth measurement mechanism is characterized in that comprising identification of winch direction of rotation and rotating angle measurement apparatus, rig hook bearing load measurement mechanism and microprocessor; This winch direction of rotation identification comprises rotary encoder, photoelectric isolated chip and phase demodulation frequency multiplication integrated circuit with rotating angle measurement apparatus, rotary encoder is installed on the winch, the first phase pulse signal output of rotary encoder with first mutually the signal input part of photoelectric isolated chip electrically connect by cable, the first phase pulse signal input of the signal output part of the first phase photoelectric isolated chip and phase demodulation frequency multiplication integrated circuit electrically connects; The second phase pulse signal output of rotary encoder with second mutually the signal input part of photoelectric isolated chip electrically connect by cable, the second phase pulse signal input of the signal output part of the second phase photoelectric isolated chip and phase demodulation frequency multiplication integrated circuit electrically connects; The direction identification level pulse signal output part of phase demodulation frequency multiplication integrated circuit, the direction level signal of output winch forward or reverse, the anglec of rotation counting pulse signal output of phase demodulation frequency multiplication integrated circuit, output are used for the pulse signal of the anglec of rotation counting of winch; This rig hook bearing load measurement mechanism comprises pressure sensor, current/voltage converter ic and analog signal-data signal converter ic, pressure sensor is installed on the hydraulic pressure pressure difference transmitter that the dead line anchor of the hook lifting appliance of rig forms, the input of the signal output part of pressure sensor and current/voltage converter ic electrically connects, the signal input part of the signal output part of current/voltage converter ic and analog signal-data signal converter ic electrically connects, the data signal of the rig hook bearing load that the digital signal output end output of analog signal-data signal converter ic measures; Anglec of rotation counting pulse signal output, direction identification level pulse signal output part, electrically connect with the counting pulse signal input of microprocessor and the count pulse control input end of microprocessor respectively, the digital signal output end of rig hook bearing load and the digital signal input end of microprocessor electrically connect, and microprocessor has the I/O of drilling depth value and initiation parameter value.
2, drilling depth measurement mechanism according to claim 1 is characterized in that the frequency multiplication phase demodulation driving clock signal input terminal of phase demodulation frequency multiplication integrated circuit and the signal output part of clock division integrated circuit electrically connect.
3, drilling depth measurement mechanism according to claim 2 is characterized in that the clock signal input terminal of clock division integrated circuit and the signal output part of clock circuit electrically connect.
4, according to claim 1 or 2 or 3 described drilling depth measurement mechanisms, the first phase power input that it is characterized in that rotary encoder with first mutually the output of power regulator electrically connect.
5, according to claim 1 or 2 or 3 described drilling depth measurement mechanisms, the second phase power input that it is characterized in that rotary encoder with second mutually the output of power regulator electrically connect.
6,, it is characterized in that being serially connected with the active power filtering integrated circuit between the signal input part of the signal output part of current/voltage converter ic and analog signal-data signal converter ic according to claim 1 or 2 or 3 described drilling depth measurement mechanisms.
7,, it is characterized in that the power input of pressure sensor and the output of power regulator electrically connect according to claim 1 or 2 or 3 described drilling depth measurement mechanisms.
8,, it is characterized in that analog signal-data signal converter ic has the control signal I/O, and electrically connect with the microprocessor control signal I/O according to claim 1 or 2 or 3 described drilling depth measurement mechanisms.
9, according to claim 1 or 2 or 3 described drilling depth measurement mechanisms, it is characterized in that the input end of clock electricity of microprocessor is connected to clock circuit.
10, according to claim 1 or 2 or 3 described drilling depth measurement mechanisms, the I/O Electricity Federation that it is characterized in that the dark value of drilling well degree of microprocessor and initiation parameter value is connected to the interface integrated circuit with the computer communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006202003823U CN2924002Y (en) | 2006-04-17 | 2006-04-17 | Well-drilling depth measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006202003823U CN2924002Y (en) | 2006-04-17 | 2006-04-17 | Well-drilling depth measuring device |
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| CN2924002Y true CN2924002Y (en) | 2007-07-18 |
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| CNU2006202003823U Expired - Lifetime CN2924002Y (en) | 2006-04-17 | 2006-04-17 | Well-drilling depth measuring device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100939B (en) * | 2007-08-03 | 2010-06-02 | 中国海洋石油总公司 | Depth tracking device for logging while drilling |
| CN101929333A (en) * | 2010-07-01 | 2010-12-29 | 内蒙古第一机械制造（集团）有限公司 | Drill-o-graph |
| CN101644596B (en) * | 2009-09-02 | 2011-04-06 | 中国海洋石油总公司 | Liquid level measuring meter |
| 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 |
| CN102337845A (en) * | 2011-09-14 | 2012-02-01 | 中联重科股份有限公司 | Protection method and controller for rotary drilling rig, protection device and rotary drilling rig |
| CN101424182B (en) * | 2008-12-12 | 2012-07-11 | 清华大学 | Dynamic force multi-parameter measuring systems for rotary simulation of bottom drill string |
| CN102758615A (en) * | 2012-07-20 | 2012-10-31 | 长江勘测规划设计研究有限责任公司 | High-accuracy smart dual-core well depth measuring device |
| CN103185745A (en) * | 2011-12-30 | 2013-07-03 | 北京林业大学 | Device for board length detection |
| CN104047594A (en) * | 2014-06-27 | 2014-09-17 | 山东三田临朐石油机械有限公司 | Detection device and method for tubing coupling |
| CN104406545A (en) * | 2014-12-01 | 2015-03-11 | 上海理工大学 | Device for measuring and calculating rotating angle based on incremental rotary optical encoder |
| CN106948807A (en) * | 2017-03-23 | 2017-07-14 | 连云港杰瑞自动化有限公司 | A kind of method to crossing acquisition and the correction of drilling rod logger depth |
| CN108266181A (en) * | 2018-04-09 | 2018-07-10 | 东营仪锦能源科技有限公司 | A kind of coal mine drilling machine drilling rod depth measurement device |
| CN110637146A (en) * | 2017-04-17 | 2019-12-31 | 斯伦贝谢技术有限公司 | Method for motion measurement of an instrument in a borehole |
-
2006
- 2006-04-17 CN CNU2006202003823U patent/CN2924002Y/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100939B (en) * | 2007-08-03 | 2010-06-02 | 中国海洋石油总公司 | Depth tracking device for logging while drilling |
| CN101424182B (en) * | 2008-12-12 | 2012-07-11 | 清华大学 | Dynamic force multi-parameter measuring systems for rotary simulation of bottom drill string |
| CN101644596B (en) * | 2009-09-02 | 2011-04-06 | 中国海洋石油总公司 | Liquid level measuring meter |
| CN101929333A (en) * | 2010-07-01 | 2010-12-29 | 内蒙古第一机械制造（集团）有限公司 | Drill-o-graph |
| 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 |
| 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 |
| CN102337845A (en) * | 2011-09-14 | 2012-02-01 | 中联重科股份有限公司 | Protection method and controller for rotary drilling rig, protection device and rotary drilling rig |
| CN103185745A (en) * | 2011-12-30 | 2013-07-03 | 北京林业大学 | Device for board length detection |
| CN102758615A (en) * | 2012-07-20 | 2012-10-31 | 长江勘测规划设计研究有限责任公司 | High-accuracy smart dual-core well depth measuring device |
| CN102758615B (en) * | 2012-07-20 | 2015-07-08 | 长江勘测规划设计研究有限责任公司 | High-accuracy smart dual-core well depth measuring device |
| CN104047594A (en) * | 2014-06-27 | 2014-09-17 | 山东三田临朐石油机械有限公司 | Detection device and method for tubing coupling |
| CN104406545A (en) * | 2014-12-01 | 2015-03-11 | 上海理工大学 | Device for measuring and calculating rotating angle based on incremental rotary optical encoder |
| CN106948807A (en) * | 2017-03-23 | 2017-07-14 | 连云港杰瑞自动化有限公司 | A kind of method to crossing acquisition and the correction of drilling rod logger depth |
| CN110637146A (en) * | 2017-04-17 | 2019-12-31 | 斯伦贝谢技术有限公司 | Method for motion measurement of an instrument in a borehole |
| CN110637146B (en) * | 2017-04-17 | 2024-03-26 | 斯伦贝谢技术有限公司 | Method for motion measurement of instruments in a wellbore |
| CN108266181A (en) * | 2018-04-09 | 2018-07-10 | 东营仪锦能源科技有限公司 | A kind of coal mine drilling machine drilling rod depth measurement device |
| CN108266181B (en) * | 2018-04-09 | 2023-12-29 | 东营仪锦能源科技有限公司 | Drill rod depth measuring device of coal mine drilling machine |
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