CN209603984U - A kind of multi-parameter measurement while drilling information ground receiving system - Google Patents
A kind of multi-parameter measurement while drilling information ground receiving system Download PDFInfo
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- CN209603984U CN209603984U CN201822035256.2U CN201822035256U CN209603984U CN 209603984 U CN209603984 U CN 209603984U CN 201822035256 U CN201822035256 U CN 201822035256U CN 209603984 U CN209603984 U CN 209603984U
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Abstract
The utility model relates to a kind of multi-parameter measurement while drilling information ground receiving system and methods.Its technical solution is: acquisition module is connected to signal pre-processing module, signal pre-processing module is connected to analog-to-digital conversion module, analog-to-digital conversion module is connected to main control module, main control module top connects TFT display screen, the right side of main control module connects industrial personal computer, industrial personal computer lower part connects measuring instrument test setting module, the lower part of measuring instrument test setting module connects downhole instrument, power supply is connected on the left of measuring instrument test setting module, acquisition module, signal pre-processing module, analog-to-digital conversion module and main control module are connected respectively to power module.The beneficial effects of the utility model are: acquisition and identification that the utility model can effectively solve the problems, such as the more measurement parameter signals in underground caused by the factors such as Complex Noise signal and drilling depth are, it can be achieved that high weak signal reception and the integrated data processing made an uproar under environment.
Description
Technical field
The utility model relates to a kind of measurement-while-drilling system, in particular to a kind of multi-parameter measurement while drilling information ground receiver
System.
Background technique
With deepening continuously for oil field prospecting, the exploitation difficulty of oil reservoir is also increasing, and the exploitation of especially original oil zone is got over
Come more difficult, in order to further increase production efficiency, improves the Drilling ratio of oil reservoir, Geosteering Drilling Technology is obtained promoting and be answered
With.Now for scale exploitation self-contained oil field it is few in number, difficulty employ remaining reserves with " thin, thick, low, disconnected, depth, side,
It is small " it is almost the spies such as super-viscous oil, special thick oil, hyposmosis, complex fault block, deep layer, complex reservoir entirely based on oil reservoir and block
Different type oil reservoir, development difficulty are very big.Due in original oil zone, difficulty employs that reservoir area is wide, and remaining reserves are abundant, thus old oil
The development and utilization of area's difficult-to-produce reserves residue oil reservoir become the key point of oilfield stable production synergy, need to widely popularize horizontal well comprehensive
Geosteering is closed to improve the Drilling ratio of oil reservoir, improves the production efficiency of petroleum.
In with brill geosteering measuring system, it usually needs while multiple geology and engineering parameter are measured, including measurement
Resistivity, gamma, annular pressure, overpressure, hole deviation, orientation, tool-face, the temperature etc. of point, this just needs ground receiver system
System enhances the timeliness and reliability to measuring multiple parameters, while being continuously increased with drilling depth, the brill that ground receiver arrives
Well liquid pulse signal becomes weak signal, carries out in the presence of the weak signals such as deep-well so that ground receiving system needs to meet
Work.
Summary of the invention
The purpose of this utility model provides a kind of multi-parameter measurement while drilling aiming at drawbacks described above of the existing technology
Information ground receiving system.
Its technical solution is: including acquisition module, signal pre-processing module, analog-to-digital conversion module, power module, measuring instrument
Device test setting module, main control module, industrial personal computer, acquisition module are connected to signal pre-processing module, and signal pre-processing module connects
It is connected to analog-to-digital conversion module, analog-to-digital conversion module is connected to main control module, and main control module top connects TFT display screen, master control mould
The right side of block connects industrial personal computer, and industrial personal computer lower part connects measuring instrument test setting module, measuring instrument test setting module
Lower part connects downhole instrument, is connected to power supply, acquisition module, Signal Pretreatment mould on the left of measuring instrument test setting module
Block, analog-to-digital conversion module and main control module are connected respectively to power module.
Preferably, acquisition module includes pressure sensor, hook set sensor, depth transducer and security isolation grid, pressure
Sensor, hook set sensor, depth transducer are in parallel with security isolation grid, and pressure sensor acquires original burst signal, and hook carries
The variation of sensor and depth transducer acquisition suspending weight and tracking depths, security isolation grid realize the explosion prevention function of acquisition module,
Enter in terrestrial interface case by the current signal of guard grating.
Preferably, signal pre-processing module includes current-to-voltage convertor, filter module, signal amplifier, Current Voltage
Converter is connected to filter module, and filter module is connected to signal amplifier, and signal is converted by current-to-voltage convertor, filtering
Module is program switch capacitive filter MAX260, and low-pass filtering cutoff frequency is set as 5Hz, and signal amplifier is put for LT5400
Big device, is used cooperatively with filter module.
Preferably, the AD7864 analog-to-digital conversion that analog-to-digital conversion module is efficiently sampling digit 12, maximum conversion time
1.65 μ s, meet 0-5V configuration, and power module pulse width is PWM formula 24V120W power supply.
Preferably, measuring instrument test setting module by bus communication realize to instrument test under drilling well and setting,
Including pulser control module, inserting tube, resistivity and gamma pipe nipple.
Preferably, main control module is the control framework of " EP3C5E144C8+ TMS320F2812 ", with 32 latches
Device and 32 bit registers store data, the control command that TMS320F2812 sends acquisition and latches, complete with
SPI communication between EP3C5E144C8, main control module are communicated with industrial personal computer, the biography of data needed for realizing signal processing module
Defeated, main control module is communicated with long-range driller's display, realizes long-range department's display function, and hook set sensor and depth transducer acquisition are big
The variation of hook load and depth, main control module carry out data processing, are carried by hook and the variation of depth data is obtained with drilling depth.
Preferably, interface box acquires drilling fluid pulse by first pressure sensor interface and second pressure sensor interface
Signal acquires hook load signal by hook set sensor interface, passes through the first well depth interface and the second well depth interface production wells
Deep data realize the setting of resistivity gamma instrument test by middle control read-write interface, realize long-range department by remotely taking charge of aobvious interface
Display function passes through the 2nd COM by the first com port and USB port and industrial computer communication by taking charge of aobvious interface realization department display function
The existing test setting to orientation inserting tube of cause for gossip.
It is made the beneficial effects of the utility model are: the present invention can effectively solve the factors such as Complex Noise signal and drilling depth
At the more measurement parameter signals in underground acquisition and identification problem, it can be achieved that the high weak signal reception and integrated data made an uproar under environment
Processing.Present invention has the main advantage that providing a kind of multi-parameter measurement while drilling information ground receiving system, which passes through mould
Blockization design realizes that the function of explosion-proof interface box is integrated, for weak signal using LT5400 amplifier and low-pass filter MAX260
It is used in combination, guarantees lesser matching error, AD7864 high-speed low-consumption analog-to-digital conversion and low ripple power module guarantee lower electricity
Road system interference, main control module improve the original letter of acquisition using the control framework of " EP3C5E144C8+ TMS320F2812 "
The precision of number feature guarantees precision identify based on signal characteristic, realizes TFT display screen digital display hook load, well depth and signal wave
Shape is realized using the Wavelet Entropy algorithm based on empirical mode decomposition (EMD) and more bit recognition methods based on characteristic matching
Height is made an uproar weak signal reception and integrated data processing under environment.
Detailed description of the invention
Fig. 1 is the principle schematic diagram of the utility model；
Fig. 2 is the Signal Pretreatment and analog-to-digital conversion schematic illustration of the utility model；
Fig. 3 is the middle control modular structure schematic illustration of the utility model；
Fig. 4 is the interface box interface connection schematic diagram of the utility model；
Fig. 5 is the typical raw signal and noise cancellation signal comparison diagram of the utility model；
Fig. 6 is the more bit signal recognition result figures of typical case of the utility model；
In figure: acquisition module 1, signal pre-processing module 2, analog-to-digital conversion module 3, power module 4, measuring instrument test are set
Set module 5, main control module 6, industrial personal computer 7, pressure sensor 8, hook set sensor 9, depth transducer 10, security isolation grid 11,
Downhole instrument 12, TFT display screen 13, current-to-voltage convertor 14, filter module 15, signal amplifier 16, long-range driller show
Device 17, interface box 18, first pressure sensor interface 19, second pressure sensor interface 20, hook set sensor interface 21, first
Well depth interface 22, the second well depth interface 23, middle control read-write interface 24, long-range take charge of show interface 25, take charge of aobvious interface 26, the first com port
27, USB port 28, the second com port 29.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1, the utility model includes acquisition module 1, signal pre-processing module 2, analog-to-digital conversion module 3, power supply
Module 4, measuring instrument test setting module 5, main control module 6, industrial personal computer 7, acquisition module 1 are connected to signal pre-processing module 2,
Signal pre-processing module 2 is connected to analog-to-digital conversion module 3, and analog-to-digital conversion module 3 is connected to main control module 6,6 top of main control module
TFT display screen 13 is connected, the right side of main control module 6 connects industrial personal computer 7, and 7 lower part of industrial personal computer connects measuring instrument test setting mould
Block 5, the lower part of measuring instrument test setting module 5 connect downhole instrument 12, the left side connection of measuring instrument test setting module 5
To power supply, acquisition module 1, signal pre-processing module 2, analog-to-digital conversion module 3 and main control module 6 are connected respectively to power module 4.
As shown in Figure 1, acquisition module 1 includes pressure sensor 8, hook set sensor 9, depth transducer 10 and security isolation
Grid 11, pressure sensor 8, hook set sensor 9, depth transducer 10 are in parallel with security isolation grid 11, and pressure sensor 8 acquires original
Initial pulse signal, hook set sensor 9 and depth transducer 10 acquire variation and the tracking depths of suspending weight, and security isolation grid 11 are realized
The explosion prevention function of acquisition module enters in terrestrial interface case by the current signal of guard grating.
As shown in Figure 1, measuring instrument test setting module 5 by bus communication realize to instrument test under drilling well with set
It sets, including pulser control module, inserting tube, resistivity and gamma pipe nipple.
As shown in Figure 1, digital display hook load, well depth and signal waveform are realized in main control module and the communication of TFT display screen 13.
As shown in Fig. 2, signal pre-processing module 2 includes current-to-voltage convertor 14, filter module 15, signal amplifier
16, current-to-voltage convertor 14 is connected to filter module 15, and filter module 15 is connected to signal amplifier 16, and signal is through overcurrent
Electric pressure converter 14 is converted, and filter module 15 is program switch capacitive filter MAX260, and low-pass filtering cutoff frequency is set as
5Hz, signal amplifier 16 are LT5400 amplifier, are used cooperatively with filter module 15, guarantee lesser matching error, put
It is treated as the voltage signal less than 5V greatly.
As shown in Fig. 2, the AD7864 analog-to-digital conversion that analog-to-digital conversion module 3 is efficiently sampling digit 12, maximum conversion
1.65 μ s of time, meets 0-5V configuration, and power module pulse width is PWM formula 24V120W power supply.
As shown in figure 3, main control module 6 is the control framework of " EP3C5E144C8+ TMS320F2812 ", EP3C5E144C8
Have the characteristics that low-power consumption, low cost and high performance, store data with 32 latch and 32 bit registers,
The control command that TMS320F2812 sends acquisition and latches, completion are communicated with the SPI between EP3C5E144C8, are used
The precision of acquisition original signal characteristic, main control module 6 can be improved in the main control module 6 of " EP3C5E144C8+ TMS320F2812 "
It being communicated with industrial personal computer 7, the transmission of data needed for realizing signal processing module, main control module 6 is communicated with long-range driller's display 17,
Realize that long-range department's display function, hook set sensor 9 and depth transducer 10 acquire the variation of hook load and depth, main control module 6
Data processing is carried out, is carried by hook and the variation of depth data is obtained with drilling depth.
As shown in figure 4, interface box 18 is acquired by first pressure sensor interface 19 and second pressure sensor interface 20
Drilling fluid pulse signal acquires hook load signal by hook set sensor interface 21, passes through the first well depth interface 22 and second
Well depth interface 23 acquires well depth data, the setting of resistivity gamma instrument test is realized by middle control read-write interface 24, by long-range
It takes charge of aobvious interface 25 and realizes that long-range department's display function passes through the first com port 27 and USB port by taking charge of aobvious 26 realization department display function of interface
28 communicate with industrial personal computer 7, realize the test setting to orientation inserting tube by the second com port 29.
As shown in figure 5, a kind of method for multi-parameter measurement while drilling information ground receiving system that the utility model is mentioned are as follows:
Industrial personal computer 7 realizes signal processing and instrument test setting by connecting with interface box 18.For signal processing mould
Block is realized, base using the Wavelet Entropy denoising based on empirical mode decomposition (EMD) and more bit recognition methods based on characteristic matching
Denoising can be reached on finer scale in the Wavelet Entropy denoising method of empirical mode decomposition (EMD), step 1 utilizes EMD pairs
Measuring signal is decomposed, decomposite 8 frequencies IMF component from high to low and with 1 residual components, and select Symlet small
Wave function symN (N=4 ..., 8) is used as basic function；Step 2 obtains each scale details system to IMF component multi-scale wavelet decomposition
Several and approximation coefficient；Step 3, by the noise remove in noisy IMF1 ~ IMF5 component, is taken small using Wavelet packet threshold approach for denoising
Noise variance of the high-frequency wavelet coefficient average value in the maximum section of wave entropy as the scale is substituted into formula (1) and is obtained
To the corresponding threshold value of the scale；It recycles formula (2) to carry out threshold value quantizing processing to new detail coefficients, it is small to obtain approximate high frequency
Wave system number decomposes obtained top approximation coefficient with step 2 and reconstructs the IMF component after being denoised；Step 4: using again
Signal of the EMD method by the IMF component reconstruction signal after wavelet entropy threshold denoises, after being denoised.
The threshold value selection principle of use is as follows:
(1)
In formula,Indicate decomposition scale,KIt isLayer wavelet coefficient length,It is the details in Wavelet Entropy maximum subinterval
The average value counted accurately.
It is as follows using threshold function table:
(2)
In formula,For the wavelet coefficient after threshold process,For coefficient of wavelet decomposition,For threshold value,MIt is any
Positive integer.WhenMWhen value is larger, which is equal to soft-threshold function, whenMWhen value is smaller, which tends to
In hard threshold function, the flexibility of new threshold function table is embodied.
As shown in fig. 6, more bit recognition methods based on characteristic matching, signal is from high to low in a bit period
Jump be 1, and jump from low to high is 0, and the signal characteristic of single-bit is carried out group by the foundation of more bit signal features
It closes, the identification of more bit signals is carried out by Pattern similarity between calculating measured signal and standard signal, using similarity
Priority principle determines the similitude between measured signal and standard feature, mutual between the adjacent similar features of consideration that can be effective
It influences, promotes accuracy.
Identify the drilling fluid pulse signal of more bit periods using angle similarity function measurement method, define two to
Amount,, Pattern similarity is, then mode
The formula of similarity is shown in formula (3), and in the waveform recognition of more bit periods, the feature vector of standard feature model is X,
Feature vector by acquiring the drilling fluid pulse data after filtering in real time is Y, carries out corresponding similarity according to formula (3)
It calculates.
(3)
In formula,,。
The utility model can effectively solve the more measurement parameters in underground caused by the factors such as Complex Noise signal and drilling depth
Acquisition and the identification problem of signal are, it can be achieved that high weak signal reception and the integrated data processing made an uproar under environment.The utility model
Major advantage is: providing a kind of multi-parameter measurement while drilling information ground receiving system, which is realized by modularized design
The function of explosion-proof interface box is integrated, is used in combination, is protected with low-pass filter MAX260 using LT5400 amplifier for weak signal
Lesser matching error is demonstrate,proved, AD7864 high-speed low-consumption analog-to-digital conversion and low ripple power module guarantee lower circuit system interference,
Main control module improves the essence of acquisition original signal characteristic using the control framework of " EP3C5E144C8+ TMS320F2812 "
Degree guarantees the precision that identify based on signal characteristic, realizes TFT display screen digital display hook load, well depth and signal waveform, using being based on
The Wavelet Entropy algorithm of empirical mode decomposition (EMD) and more bit recognition methods based on characteristic matching, realize height and make an uproar under environment
Weak signal reception and integrated data processing.
The above, is only the preferred embodiment of the utility model, and anyone skilled in the art may benefit
Equivalent technical solution is modified the utility model or is revised as with the technical solution of above-mentioned elaboration.Therefore, foundation
Any simple modification or substitute equivalents that the technical solution of the utility model is carried out belong to the greatest extent the requires of the utility model protection
Range.
Claims (7)
1. a kind of multi-parameter measurement while drilling information ground receiving system, it is characterized in that: including acquisition module (1), Signal Pretreatment
Module (2), analog-to-digital conversion module (3), power module (4), measuring instrument test setting module (5), main control module (6), industry control
Machine (7), acquisition module (1) are connected to signal pre-processing module (2), and signal pre-processing module (2) is connected to analog-to-digital conversion module
(3), analog-to-digital conversion module (3) is connected to main control module (6), and main control module (6) top connects TFT display screen (13), master control mould
The right side of block (6) connects industrial personal computer (7), and industrial personal computer (7) lower part connects measuring instrument test setting module (5), and measuring instrument is surveyed
The lower part for trying setup module (5) connects downhole instrument (12), is connected to power supply on the left of measuring instrument test setting module (5),
Acquisition module (1), signal pre-processing module (2), analog-to-digital conversion module (3) and main control module (6) are connected respectively to power module
(4).
2. a kind of multi-parameter measurement while drilling information ground receiving system according to claim 1, it is characterized in that: acquisition module
It (1) include pressure sensor (8), hook set sensor (9), depth transducer (10) and security isolation grid (11), pressure sensor
(8), hook set sensor (9), depth transducer (10) are in parallel with security isolation grid (11), and pressure sensor (8) acquires original arteries and veins
Signal is rushed, the variation of hook set sensor (9) and depth transducer (10) acquisition suspending weight and tracking depths, security isolation grid (11) are real
The explosion prevention function of existing acquisition module, enters in terrestrial interface case by the current signal of guard grating.
3. a kind of multi-parameter measurement while drilling information ground receiving system according to claim 1, it is characterized in that: signal is located in advance
Managing module (2) includes current-to-voltage convertor (14), filter module (15), signal amplifier (16), current-to-voltage convertor
(14) it is connected to filter module (15), filter module (15) is connected to signal amplifier (16), and signal is converted by Current Voltage
Device (14) conversion, filter module (15) are program switch capacitive filter MAX260, and low-pass filtering cutoff frequency is set as 5Hz,
Signal amplifier (16) is LT5400 amplifier, is used cooperatively with filter module (15).
4. a kind of multi-parameter measurement while drilling information ground receiving system according to claim 1, it is characterized in that: analog-to-digital conversion
The AD7864 analog-to-digital conversion that module (3) is efficiently sampling digit 12, maximum 1.65 μ s of conversion time meet 0-5V configuration,
Power module pulse width is PWM formula 24V120W power supply.
5. a kind of multi-parameter measurement while drilling information ground receiving system according to claim 1, it is characterized in that: measuring instrument
Test setting module (5) is realized by bus communication to instrument test under drilling well and setting, including pulser control module, spy
Pipe, resistivity and gamma pipe nipple.
6. a kind of multi-parameter measurement while drilling information ground receiving system according to claim 1, it is characterized in that: main control module
(6) it is the control framework of " EP3C5E144C8+ TMS320F2812 ", stores number with 32 latch and 32 bit registers
According to the control command that TMS320F2812 sends acquisition and latches, completion is communicated with the SPI between EP3C5E144C8, master control
Module (6) is communicated with industrial personal computer (7), the transmission of data needed for realizing signal processing module, and main control module (6) and long-range driller are aobvious
Show that device (17) communicate, realizes long-range department's display function, hook set sensor (9) and depth transducer (10) acquisition hook load and depth
Variation, main control module (6) carry out data processing.
7. a kind of multi-parameter measurement while drilling information ground receiving system according to claim 1, it is characterized in that: interface box
(18) drilling fluid pulse signal is acquired by first pressure sensor interface (19) and second pressure sensor interface (20), passed through
Hook set sensor interface (21) acquires hook load signal, is acquired by the first well depth interface (22) and the second well depth interface (23)
Well depth data realizes the setting of resistivity gamma instrument test by middle control read-write interface (24), by remotely taking charge of aobvious interface (25)
Realize long-range department's display function, by taking charge of aobvious interface (26) realization department display function, by the first com port (27) and USB port (28) and
Industrial personal computer (7) communication realizes the test setting to orientation inserting tube by the second com port (29).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653734A (en) * | 2018-12-06 | 2019-04-19 | 中石化石油工程技术服务有限公司 | A kind of multi-parameter measurement while drilling information ground receiving system and method |
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2018
- 2018-12-06 CN CN201822035256.2U patent/CN209603984U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653734A (en) * | 2018-12-06 | 2019-04-19 | 中石化石油工程技术服务有限公司 | A kind of multi-parameter measurement while drilling information ground receiving system and method |
| CN109653734B (en) * | 2018-12-06 | 2024-07-23 | 中石化石油工程技术服务有限公司 | Multi-parameter measurement while drilling information ground receiving system and method |
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Effective date of registration: 20220216 Address after: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Shengli directional well company of Sinopec Jingwei Co.,Ltd. Address before: 100101 twelfth floor, No. 16, Huixin East Street, Chaoyang District, Beijing Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: DRILLING WELL ENGINEERING TECHNOLOGY COMPANY OF SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |