CN104747164B - A kind of ground experiment method with brill orientation electromagnetic wave logger - Google Patents
A kind of ground experiment method with brill orientation electromagnetic wave logger Download PDFInfo
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- CN104747164B CN104747164B CN201410035944.2A CN201410035944A CN104747164B CN 104747164 B CN104747164 B CN 104747164B CN 201410035944 A CN201410035944 A CN 201410035944A CN 104747164 B CN104747164 B CN 104747164B
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- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 2
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
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Abstract
The invention discloses a kind of with the ground experiment method for boring orientation electromagnetic wave logger.The experimental provision is built upon with the basis of brill orientation electromagnetic wave logger, it will be supported by the stand of angle adjustable with orientation electromagnetic wave logger is bored, and set below orientation electromagnetic wave logger by the medium interface of two kinds of different electrical conductivity with boring, and with boring the drive mechanism that orientation electromagnetic wave logger metal pipe nipple rotation driving coordinates.Its method be simulated in experimental provision various antenna combinations with bore orientation electromagnetic wave instrument, test and checking are present under the interface conditions of electrical conductivity difference, the signal characteristic and bed boundary orientation, the computational methods at inclination angle of the orientation electromagnetic wave instrument of different coil spacing and different operating frequencies, it can also verify under rotary mode, the correctness of Signal sampling and processing method and various compensating measurement methods and effect, for bore orientation instrument manufacture and design and geosteering application has important directive function.
Description
Technical field
The present invention relates to a kind of with boring orientation electromagnetic wave logger in oil, gas drilling or logging technique field
Ground experiment method, is particularly suitable for use in providing design with the design research and development for boring orientation electromagnetic wave instrument for geologic steering drilling system
Foundation and verification experimental verification.
Background technology
, it is necessary to measurement stratum geological information and engineering parameter in oil field prospecting and development process.With exploration and development skill
The continuous progress of art, accuracy and diversity requirements more and more higher to measurement parameter.Required parameter usually contains stratum
Ambient parameter, down-hole equipment position, orientation and drilling environment parameter etc..At present had a variety of Regular wireline instruments with
And connector for logging while drilling can provide above parameter.Electromagnetic wave resistivity instrument can be with as the important instrument for evaluating formation properties
Formation resistivity information is provided, to evaluate stratum oiliness.Instrument usually contains one or more transmitting and received
Antenna receives formation induction signal.According to different using frequency, it is divided into induction motor instrument and electromagnetic wave resistivity instrument.
For electric with stratum is generally converted to using the Amplitude Ratio or phase difference of receiving coil for boring electromagnetic wave resistivity instrument
Resistance rate information.Orientation electromagnetic resistivity is mainly used to geosteering in addition to for formation evaluation.Possesses azimuth discrimination at present
Function with bore instrument due to investigation depth it is too small, limit its application in terms of geosteering.It is electric with orientation electromagnetic wave is bored
Resistance rate instrument then overcomes the small defect of investigation depth, can preferably be applied to geosteering.
The International Petroleum Engineering Project service companies such as current Schlumberger, Haliburton, Bake Hughes disclose in succession oneself
Multi -components, multi-coil away from terms of, multi-frequency instrument patented technology (No.6777940, No.7038455, No.7557580,
No.6181138, No.20050140373, No.7375530, No.7483793 etc.) it is proposed based on this with brill orientation electromagnetic wave
Instrument, obtains a wide range of applications in terms of formation evaluation and geosteering and achieves good effect.
It is domestic to manufacture and design the basic blank of aspect with bore orientation electromagnetic wave instrument, corresponding fundamental research also phase
To delayed, as the important tool of geosteering, its test and test method are also the important guarantor that instrument is successfully researched and developed and applied
Card, due to the particularity for boring orientation electromagnetic wave instrument response, it is necessary to tested and tried in the environment for exist medium interface
Test, therefore the test well and test pit of conventional logger can not be used.
The content of the invention
The purpose of the present invention is to be directed to problem of the prior art, proposes that a kind of energy construct various situations convenient and simplely
INTERFACE MODEL, for theoretical validation, instruct Instrument Design and verify the correctness of data acquisition and processing (DAP) method with brill side
The ground experiment method of position electromagnetic wave logger.
Technical scheme includes：
A kind of ground experiment method with brill orientation electromagnetic wave logger, should include day with orientation electromagnetic wave logger is bored
Line, metal pipe nipple, azimuth counter, power supply and signal processing system.The antenna with brill orientation electromagnetic wave logger is at least
There are two axial antennas and two horizontal antennas, the magnetic moment direction of axial antenna is overlapped with metal pipe nipple axis, horizontal antenna
Magnetic moment direction is vertical with metal pipe nipple axis, and axial antenna is split in the both sides of horizontal antenna, and horizontal antenna, which rotates a circle, to be divided into
No less than four sectors, each sector is connected with signal processing apparatus respectively, and axially and transversely antenna is arranged on metal pipe nipple
And cooperation of sliding and be rotatably connected is constituted along metal pipe nipple, antenna emission signal frequency scope is between 100kHz-4MHz.The examination
Proved recipe method is built upon with the basis of brill orientation electromagnetic wave logger, will be surveyed by the stand of angle adjustable with orientation electromagnetic wave is bored
Well instrument is supported, and is being set below orientation electromagnetic wave logger by the medium interface of two kinds of different electrical conductivity with boring, and with
Bore the drive mechanism that orientation electromagnetic wave logger metal pipe nipple rotation driving coordinates.
Test method includes：Metal pipe nipple is placed in air and conducting solution near interface, by adjusting axial antenna and horizontal stroke
To the distance between antenna, changing rule of ZX, ZY, XZ, ZZ electromotive force signal with coil spacing is measured；By changing dielectric conductance
Rate, measures interface electromotive force range signal and the changing rule of interface both sides electrical conductivity difference；By adjusting drive mechanism rotating speed,
Measure relation of the electromotive force signal with antenna azimuth；By adjusting the height and angle of stand, excite different axial antennas,
Horizontal antenna, measures the signal amplitude of electromotive force, compensates Comparative result and effect analysis.
The test method is specifically included：
（1）Determine after the electrical conductivity and antenna of medium interface and the distance at interface, metal pipe nipple is parallel to medium circle
The signal that face, collection and processing reception antenna are measured, is transmitting or reception antenna by axial antenna and horizontal tested rotating platform, changes
Axial antenna and horizontal antenna spacing, angle, the signal that collection and processing reception antenna are measured measure ZX, ZY, XZ, ZZ electronic
Test measurement result is analyzed with theoretical modeling result with the changing rule of coil spacing for gesture signal.
（2）Using axial antenna as transmitting antenna, horizontal antenna determines axial antenna and horizontal day as reception antenna
The distance and working frequency of line, metal pipe nipple are parallel with medium interface, the height of adjustment metal pipe nipple and medium interface, collection
The signal measured with processing reception antenna, measures changing rule of the signal with interface distance, changes more than dielectric conductance rate, repetition
Measurement, measures interface electromotive force range signal and the changing rule of interface both sides electrical conductivity difference.
（3）Using axial antenna as transmitting antenna, horizontal antenna determines the distance of antenna and antenna as reception antenna
And working frequency, metal pipe nipple is parallel with interface, adjusts drive mechanism rotating speed, metal pipe nipple was divided into more than four in one week
Divide sector, point sector carries out Signal sampling and processing signal, gather and record in real time horizontal antenna by azimuthal measurement apparatus
Point to orientation, processing obtains relation of the electromotive force signal with antenna azimuth, and interface azimuth tendency, and and experimental enviroment
Contrast.
（4）It is equidistantly positioned axial antenna as transmitting antenna in the horizontal antenna both sides as reception antenna, it is determined that
The distance and working frequency of good transmitting antenna and reception antenna, by adjusting the angle and height of stand, make metal pipe nipple with
Medium interface normal is in certain angle, measure that single-shot list is received, double bills receive symmetrical compensation pattern respectively, single-emission and double-receiving pattern and
Double double signal amplitudes for receiving symmetrical compensation mode electrically gesture of hair, and in the case of certain angle and different angles signal amplitude with
The relation of interface distance.
Such scheme further comprises：
Step（1）In concrete mode be：After the distance for determining saline solution electrical conductivity and antenna and interface, with axle
To antenna as transmitting antenna, horizontal antenna is as reception antenna, and metal pipe nipple is parallel to interface, collection and processing reception antenna
The signal measured, mobile transmitting antenna or reception antenna, changes coil spacing, continues to gather and handle the letter that reception antenna is measured
Number, above step is repeated, changing rule of the ZX electromotive force signals with coil spacing is measured；Horizontal antenna is rotated by 90 °, repeated
Measure above, measure ZY electromotive force signals with coil spacing changing rule；Using horizontal antenna as transmitting antenna, axial antenna conduct
Reception antenna, repeats to measure above, measures changing rule of the XZ electromotive force signals with coil spacing；Using an axial antenna as
Transmitting antenna, another axial antenna repeats above measuring process, measures ZZ electromotive force signals and become with coil spacing as reception antenna
Law.
Step（4）In concrete mode be：Using two axial antennas as transmitting antenna, a horizontal antenna is used as reception
Antenna, axial antenna is identical with the distance between horizontal antenna, determines distance and the work of transmitting antenna and reception antenna
Frequency, by adjusting the angle of stand, the angle for making metal pipe nipple and interface normal is 80 °, and an axial antenna is measured respectively
Transmitting, a horizontal antenna is received, i.e., single-shot list receives the signal amplitude of electromotive force under measurement pattern, and two axial antenna hairs
Penetrate, a horizontal antenna is received, i.e., double bills receive the signal amplitude of electromotive force under symmetrical compensation pattern；Keep relative angle not
Become, change the distance at metal pipe nipple and interface, repeat more than measure, obtain in the case of the relative angle signal amplitude and interface away from
From relation；Change the angle of metal pipe nipple and interface normal respectively, repeat above-mentioned measuring process, in the case of measuring different angles
The relation of signal amplitude and interface distance；Using two axial antennas as transmitting antenna, two horizontal antennas as reception antenna,
Axial antenna is identical with the distance between horizontal antenna respectively, determines the distance and work frequency of transmitting antenna and reception antenna
Rate, by adjusting stand, it is 80 ° to make the angle of metal pipe nipple and interface normal, and an axial antenna transmitting, two are measured respectively
Individual horizontal antenna is received, i.e. electromotive force signal amplitude under single-emission and double-receiving pattern, and two axial antenna transmittings, two horizontal days
Line is received, i.e., double hairs are double to receive electromotive force signal amplitude under symmetrical compensation patterns, measure in the case of the relative angle signal amplitude and
The relation of interface distance；Change the angle of metal pipe nipple and interface normal respectively, repeat above-mentioned measuring process, obtain different angles
In the case of signal amplitude and interface distance relation.
Using saline solution and air as the different two media of electrical conductivity below metal pipe nipple, for forming interface.
The stand is propped up by two lower sections that metal pipe nipple is distributed in without the support pedestal that magnetic dielectric is made
Support group seat tool has height regulating mechanism, and support pedestal is connected with metal pipe nipple junction using bearing；Medium interface is brine pit
The interface combined with air.
The effect of the present invention is embodied in：
（1）The real and imaginary parts information for obtaining signal is gathered and handled in real time by computer；Metal pipe nipple is placed in two kinds of electricity
Near the different medium interface of conductance, by exciting, different antennas is used as transmitting antenna and reception antenna, measures different electromagnetism
Field component information.
（2）Keep metal pipe nipple and interface distance constant, the distance between adjustment transmitting antenna and reception antenna, measurement is not
With the signal amplitude of coil spacing.
（3）Hold-in winding is away from constant, the distance at change metal pipe nipple and interface, in the case of the different interface distances of measurement distance
Signal amplitude, and by signal amplitude size inverting metal pipe nipple and the distance at interface, verify the correctness of inversion algorithm with can
By property.
（4）Metal pipe nipple is connected with rotation linkage, drives metal pipe nipple to rotate, was divided into N (N >=4) by one week individual
Sector is acquired counting, and processing obtains the information such as interface orientation and relative inclination, and in realistic model contrast, carries out effect
Analysis.
（5）By changing the electrical conductivity of solution medium, the interface mould with different electrical conductivity difference is constructed from air dielectric
Type, tests the signal amplitude in the case of different electrical conductivity differences.
（6）Adjust base height poor, realize and different angles are formed between metal pipe nipple and interface normal, simulation well
With respect to incidence angle.Collection and process signal, by numerical simulation inverting pipe nipple and interface normal angle, and in realistic model pair
Than.
（7）The distance between the transmitting reception antenna different by exciting, adjustment transmitting reception antenna, realize that double bills are received
And double double receive of hair compensate measurement pattern, compensate Contrast on effect analysis.
In summary, the present invention can construct the interface mould of various situations convenient and simplely by special tectonic sieving
Type, especially for bore orientation electromagnetic wave logger manufacture and design and the checking of data acquisition and processing (DAP) method has solely
Special advantage and application.
Brief description of the drawings
Fig. 1 is one embodiment structural representation of experimental provision part of the present invention.
Fig. 2 be numerical simulation obtain with boring orientation electromagnetic wave instrument signal amplitude and interface media of both sides electrical conductivity or electricity
The relation schematic diagram of resistance rate.
The structure for amplifying of part of detecting is illustrated when Fig. 3 is different from the interface angle of experimental rig metal pipe nipple axis in Fig. 1
Figure.
Embodiment
Below in conjunction with drawings and examples, clear, complete description is carried out to technical scheme.
With reference to Fig. 1, the experimental rig antenna in the present embodiment includes 4 axial antennas 11,13,15,17, its coil magnetic moment
Direction is overlapped with metal pipe nipple 3.Containing two horizontal antennas 12,14, its magnetic moment direction is vertical with the axis of metal pipe nipple 3.It is all
The distance between antenna is adjustable, and passes through nut fixed position.Axial antenna is located at horizontal antenna ends respectively, and all antennas can
So that symmetric emission compensation measurement and asymmetry compensation emission measurement as transmitting antenna or reception antenna, can be carried out.Coil
Tranmitting frequency is adjustable between 100kHz-4MHz.Fiberglass base 1 and 2 supports metal pipe nipple, can adjust metal pipe nipple 3 and boundary
The distance between face 100.Metal pipe nipple one end is connected with rotating driving device 10, metal pipe nipple 3 can be driven to rotate, for mould
Intend rotation drill collar.Metal pipe nipple one end installation position measurement apparatus 20, the sensing orientation of real-time measuring coil.All measurement letters
Number pass through wire 30 and computer（That is signal processing system of the invention）40 connections, are gathered and process signal in real time.Metal pipe nipple 3
Liquid is saline solution 200 below, and electrical conductivity of solution can need adjustment according to experiment, and such saline solution is used as conductance with air
The different two media of rate, for forming interface.
From formula (1), ZX component magnetic fields signal is zero in homogeneous isotropic medium model, therefore carries out orientation electricity
The measurement of magnetic wave instrument there must be two kinds of different media of electrical conductivity, be measured near interface.
(1)
(2)
Wherein：L is coil spacing；
khFor horizontal wave number；
M is coil magnetic moment；
θ is stratum normal and instrument shaft relative angle；
RhFor horizontal resistivity；
RvFor vertical resistivity.
Fig. 2 be numerical simulation obtain with bore orientation electromagnetic wave instrument different resistivity contrast and electrical conductivity difference
In the case of, the situation of change of induced electromotive force amplitude.Simulation is found：In the case where there are single interface conditions, if the electricity of medium both sides
Resistance rate be not very close to, then with bore orientation electromagnetic wave instrument interface orient amplitude (induced electromotive force) be proportional to interface both sides be situated between
The difference of the electrical conductivity of matter, the difference of medium both sides electrical conductivity is bigger, and directional electrical gesture signal amplitude is bigger, i.e.,：
Abs(v)∝|σ1-σ2|
(3)
In formula：V is reception antenna electromotive force；σ1、σ2Respectively interface media of both sides electrical conductivity.
Because the resistivity of air is believed that infinity, therefore the resistivity pair determined can not be constructed with salt water capacity liquid
Than degree, such result of the test has difficulties with the corresponding of numerical simulation.The electrical conductivity of saline solution thinks roughly air and salt solution
The difference of the electrical conductivity of solution, so the electrical conductivity difference of one determination of construction is easier to accomplish.Shown by Fig. 2 simulations：Laterally
Reception antenna directional electrical gesture signal v depends primarily on the difference of medium both sides electrical conductivity, and little with resistivity contrast relation.
Saline solution electrical conductivity adjustable extent is very big, therefore it is convenient to carry out ground test using air and saline solution manufacture interface
Feasible, the design of the experimental rig is also based on this property.
In process of the test, after the distance for determining saline solution electrical conductivity and antenna and interface, made with axial antenna 11
For transmitting antenna, horizontal antenna 12 is as reception antenna, and metal pipe nipple 3 is parallel to interface 100, collection and processing reception antenna 12
The signal measured, mobile transmitting antenna 11 or reception antenna 12, changes coil spacing, continues to gather and processing reception antenna 12 is measured
Signal, repeat above step, obtain changing rule of the ZX electromotive force signals with coil spacing, by test measurement result and theoretical mould
Intend result to be analyzed.
Horizontal reception antenna 12 is rotated by 90 °, repeats above measurement, ZY electromotive force signals can be measured and become with coil spacing
Law.Using horizontal antenna 12 as transmitting antenna, axial antenna 11 is repeated to measure above, can measured as reception antenna
XZ electromotive force signals with coil spacing changing rule.Using axial antenna 11 as transmitting antenna, axial antenna 15 is used as reception day
Line, repeats above measuring process, can measure ZZ electromotive force signals with coil spacing changing rule.
Using axial antenna 11 as transmitting antenna, horizontal antenna 12 is used as reception antenna.Determine axial antenna 11 and horizontal stroke
To the distance and working frequency of antenna 12, metal pipe nipple 3 is parallel with interface 100, gathers and handle what reception antenna 12 was measured
Signal, adjusts the height of pedestal 1 and 2, changes metal pipe nipple 3 and the distance at interface 100, repeat more than measure, measure signal with
The changing rule of interface distance.Interface distance inverting, and signal and the relation of distance with record are carried out using the data measured
Contrasted, verify the correctness of inversion method.
Using axial antenna 11 as transmitting antenna, horizontal antenna 12 is used as reception antenna.Determine axial antenna 11 and horizontal stroke
To the distance and working frequency of antenna 12, metal pipe nipple 3 is located at the position of interface 100, and collection and the horizontal antenna 12 of processing are surveyed
The signal obtained.Change the electrical conductivity of saline solution 200, repeat to measure above, measure electromotive force range signal and interface at interface 100
The changing rule of both sides electrical conductivity difference.
Using axial antenna 11 as transmitting antenna, horizontal antenna 12 determines antenna 11 and antenna 12 as reception antenna
Distance and working frequency, metal pipe nipple 3 is parallel with interface 100, adjusts the rotating speed of drive mechanism 10, allows drive mechanism 10 to drive
Metal pipe nipple 3 is rotated, and is divided into N (N≤4) individual sector by one week, and point sector carries out Signal sampling and processing signal, is surveyed by orientation
Measure the sensing orientation of the collection in real time of device 20 and the horizontal antenna 12 of record.Processing obtains pass of the electromotive force signal with antenna azimuth
System, and interface azimuth tendency, and with the correctness and validity of experimental enviroment contrast verification data processing method.
As shown in figure 3, using axial antenna 11,17 as transmitting antenna, horizontal antenna 12 is as reception antenna, axial antenna
11st, 17 is identical with the distance between horizontal antenna 12.Determine distance and work of the transmitting antenna 11,17 with reception antenna 12
Frequency, by adjusting the height of two pedestals 1 and 2, the angle for making metal pipe nipple 3 and the normal of interface 100 is 80 °.Measure respectively
Axial antenna 11 is launched, and horizontal antenna 12 is received, and single-shot list receives the signal amplitude of electromotive force under measurement pattern, and axial antenna
11st, 17 transmitting, horizontal antenna 12 is received, and double bills receive the signal amplitude of electromotive force under symmetrical compensation pattern.Keep relative angle
It is constant, change metal pipe nipple 3 and the distance at interface 100, repeat more than measure, obtain in the case of the relative angle signal amplitude with
The relation of interface distance.
Change the angle of metal pipe nipple 3 and the normal of interface 100 respectively, repeat above-mentioned measuring process, obtain different angle feelings
The relation of signal amplitude and interface distance under condition.
Using axial antenna 11,17 as transmitting antenna, horizontal antenna 12,13 is as reception antenna, axial antenna 11,17 points
It is not identical with horizontal antenna 12, the distance between 14.The distance and working frequency of transmitting antenna and reception antenna are determined, is led to
The height of two pedestals 1,2 of adjustment is crossed, it is 80 ° that the angle for making metal pipe nipple 3 and the normal of interface 100, which is respectively, and axle is measured respectively
Launch to antenna 11, horizontal antenna 12,14 is received, electromotive force signal amplitude under single-emission and double-receiving pattern, and axial antenna 11,17
Transmitting, horizontal antenna 12,14 is received, and double hairs are double to receive electromotive force signal amplitude under symmetrical compensation pattern, obtains the relative angle feelings
The relation of signal amplitude and interface distance under condition.
Change the angle of metal pipe nipple 3 and the normal of interface 100 respectively, repeat above-mentioned measuring process, obtain different angle feelings
The relation of signal amplitude and interface distance under condition.
Claims (5)
1. it is a kind of with bore orientation electromagnetic wave logger ground experiment method, should with bore orientation electromagnetic wave logger include antenna,
Metal pipe nipple, azimuth counter, power supply and signal processing system, it is characterised in that：It is described with boring orientation electromagnetic wave logger
The axial antenna of at least two, antenna and two horizontal antennas, the magnetic moment direction of axial antenna is overlapped with metal pipe nipple axis, horizontal
Vertical with metal pipe nipple axis to the magnetic moment direction of antenna, axial antenna is split in the both sides of horizontal antenna, horizontal antenna rotation
It is divided within one week no less than four sectors, each sector is connected with signal processing apparatus respectively, and axially and transversely antenna is arranged on gold
Belong on pipe nipple and constituted along metal pipe nipple and slided and rotatable connection cooperation, antenna emission signal frequency scope is in 100kHz-4MHz
Between；The test method be built upon with bore orientation electromagnetic wave logger on the basis of, by angle adjustable stand will with bore orientation
Electromagnetic wave logger is supported, and is set below with brill orientation electromagnetic wave logger by the medium interface of two kinds of different electrical conductivity,
And with bore orientation electromagnetic wave logger metal pipe nipple rotation driving coordinate drive mechanism；Test method includes：
（1）Determine after the electrical conductivity and antenna of medium interface and the distance at interface, metal pipe nipple is adopted parallel to medium interface
The signal that collection and processing reception antenna are measured, is transmitting or reception antenna by axial antenna and horizontal tested rotating platform, changes axially
Antenna and horizontal antenna spacing, angle, the signal that collection and processing reception antenna are measured measure ZX, ZY, XZ, ZZ electromotive force letter
Number with coil spacing changing rule, test measurement result is analyzed with theoretical modeling result；
（2）Using axial antenna as transmitting antenna, horizontal antenna determines axial antenna and horizontal antenna as reception antenna
Distance and working frequency, metal pipe nipple are parallel with medium interface, the height of adjustment metal pipe nipple and medium interface, collection and place
The signal that reason reception antenna is measured, measures changing rule of the signal with interface distance, changes dielectric conductance rate, repeats to survey above
Amount, measures interface electromotive force range signal and the changing rule of interface both sides electrical conductivity difference；
（3）Using axial antenna as transmitting antenna, horizontal antenna as reception antenna, determine antenna and antenna distance and
Working frequency, metal pipe nipple is parallel with interface, adjusts drive mechanism rotating speed, and metal pipe nipple is divided into point fan of more than four for one week
Area, point sector carries out Signal sampling and processing signal, gathers and record in real time the sensing of horizontal antenna by azimuthal measurement apparatus
Orientation, processing obtains relation of the electromotive force signal with antenna azimuth, and interface azimuth tendency, and with experimental enviroment pair
Than；
（4）It is equidistantly positioned axial antenna as transmitting antenna in the horizontal antenna both sides as reception antenna, determines hair
The distance and working frequency of antenna and reception antenna are penetrated, by adjusting the angle and height of stand, makes metal pipe nipple and medium
Interface normal is in certain angle, and single-shot list receipts, double bills are measured respectively and receive symmetrical compensation pattern, single-emission and double-receiving pattern and double hairs
Double signal amplitudes for receiving symmetrical compensation mode electrically gesture, and signal amplitude and interface in the case of certain angle and different angles
The relation of distance, compensates Comparative result and effect analysis.
2. it is according to claim 1 with the ground experiment method for boring orientation electromagnetic wave logger, it is characterised in that step（1）
In concrete mode be：After the distance for determining saline solution electrical conductivity and antenna and interface, transmitting is used as using axial antenna
Antenna, the signal that horizontal antenna is measured as reception antenna, metal pipe nipple parallel to interface, collection and processing reception antenna, is moved
Dynamic transmitting antenna or reception antenna, change coil spacing continue to gather and handle the signal that reception antenna is measured, and repeat to walk above
Suddenly, changing rule of the ZX electromotive force signals with coil spacing is measured；Horizontal antenna is rotated 90o, repeat above measurement, measure
ZY electromotive force signals are with coil spacing changing rule；Using horizontal antenna as transmitting antenna, axial antenna is repeated as reception antenna
Measure above, measure changing rule of the XZ electromotive force signals with coil spacing；Using an axial antenna as transmitting antenna, another axle
To antenna as reception antenna, above measuring process is repeated, ZZ electromotive force signals are measured with coil spacing changing rule.
3. it is according to claim 2 with the ground experiment method for boring orientation electromagnetic wave logger, it is characterised in that step（4）
In concrete mode be：Using two axial antennas as transmitting antenna, a horizontal antenna as reception antenna, axial antenna with
The distance between horizontal antenna is identical, the distance and working frequency of transmitting antenna and reception antenna is determined, by adjusting platform
The angle of frame, the angle for making metal pipe nipple and interface normal is 80 o, an axial antenna transmitting, a horizontal day are measured respectively
Line is received, i.e., single-shot list receives the signal amplitude of electromotive force under measurement pattern, and two axial antenna transmittings, a horizontal antenna
Receive, i.e., double bills receive the signal amplitude of electromotive force under symmetrical compensation pattern；Keep relative angle it is constant, change metal pipe nipple with
The distance at interface, repeats to measure above, obtains the relation of signal amplitude and interface distance in the case of the relative angle；Change respectively
The angle of metal pipe nipple and interface normal, repeats above-mentioned measuring process, measure in the case of different angles signal amplitude and interface away from
From relation；Using two axial antennas as transmitting antenna, two horizontal antennas as reception antenna, axial antenna respectively with horizontal stroke
It is identical to the distance between antenna, the distance and working frequency of transmitting antenna and reception antenna are determined, by adjusting stand,
The angle for making metal pipe nipple and interface normal is 80 o, an axial antenna transmitting is measured respectively, and two horizontal antennas are received, i.e.,
Electromotive force signal amplitude under single-emission and double-receiving pattern, and two axial antenna transmittings, two horizontal antennas are received, i.e., double hairs are double to be received
Electromotive force signal amplitude under symmetrical compensation pattern, measures the relation of signal amplitude and interface distance in the case of the relative angle；Point
Not Gai Bian metal pipe nipple and interface normal angle, repeat above-mentioned measuring process, obtain in the case of different angles signal amplitude with
The relation of interface distance.
4. the ground experiment method with brill orientation electromagnetic wave logger according to claim 1 or 2,3, it is characterised in that：
Using saline solution and air as the different two media of electrical conductivity below metal pipe nipple, for forming interface.
5. it is according to claim 4 with the ground experiment method for boring orientation electromagnetic wave logger, it is characterised in that：Described
Frame is by two lower sections that metal pipe nipple is distributed in without the support pedestal that magnetic dielectric is made, and support pedestal has height
Adjustment mechanism, support pedestal is connected with metal pipe nipple junction using bearing；Medium interface is the boundary that brine pit is combined with air
Face.
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| CN110005398B (en) * | 2019-04-04 | 2024-03-22 | 中国石油大学(北京) | Method and device for determining design parameters of electromagnetic wave resistivity logging instrument while drilling |
| CN113216948B (en) * | 2021-05-19 | 2023-03-24 | 中国石油大学(北京) | Multi-coil-structure while-drilling nuclear magnetic resonance logging device and method |
| CN113406409A (en) * | 2021-05-20 | 2021-09-17 | 成都深地领航能源科技有限公司 | Testing system and method for underground pulse signal generator |
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| US4876511A (en) * | 1988-10-20 | 1989-10-24 | Schlumberger Technology Corporation | Method and apparatus for testing and calibrating an electromagnetic logging tool |
| CN102778657A (en) * | 2011-05-08 | 2012-11-14 | 中国石油化工集团公司 | Magnetic pipe nipple testing device |
| CN202794372U (en) * | 2012-07-20 | 2013-03-13 | 中国石油化工股份有限公司 | Signal testing device of electromagnetic telemetry measurement-while-drilling instrument |
| CN103291277A (en) * | 2012-03-02 | 2013-09-11 | 中国石油集团长城钻探工程有限公司 | Calibration device for three-dimensional array induction logging instrument |
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| US4876511A (en) * | 1988-10-20 | 1989-10-24 | Schlumberger Technology Corporation | Method and apparatus for testing and calibrating an electromagnetic logging tool |
| CN102778657A (en) * | 2011-05-08 | 2012-11-14 | 中国石油化工集团公司 | Magnetic pipe nipple testing device |
| CN103291277A (en) * | 2012-03-02 | 2013-09-11 | 中国石油集团长城钻探工程有限公司 | Calibration device for three-dimensional array induction logging instrument |
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