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声学钻孔电视


1. 声学钻孔电视 ABI42




2.   SlimholeFull-Wave Triple Sonic Probe FWS60

 

The Slimhole Full-Wave Triple Sonic FWS60sonde is a compact tool that can be operated and by a single operator andintended for geotechnical and mining applications. Its rigid constructionprovides an effective centering inside the hole.

 

The piezoelectric transmitter is stimulatedby a high voltage pulse and radiates high frequency acoustic waves through theborehole fluid and formation up to each receiver.

The sonde records the ful-wave train fromthree receivers simultaneously and these waveform data may be exported tointerpretation software such as WellCad for calculation of compressional, shearand Stoneley velocities.

 

The Slimhole Full-Wave Triple Sonic FWS60sonde main applications are:

 

●  Geotechnical /Mining/Water

●  Fracture and permeabilityindication in hard rock

●  Rock strength and elasticity

●  Lithology identification

●  Porosity

●  Correction of seismicvelocity


 

3.  Natural GammaSpectroscopy Sonde GRS42

 

The Natural Gamma Spectroscopy GRS42 sondeanalyses the energy spectrum of the gamma radiations from naturally presentisotopes in the formation surrounding a borehole. This tool is offered withseveral scintillator options depending on the field application.The NaturalGamma Spectroscopy GRS 42 sonde uses a one inch diameter crystal and isrecommended for highly radioactive environments.

 

The Natural Gamma Spectroscopy GRS42 sondeis recommended for the following applications:

 

●  Mineral Detection

●  Lithology Characterization

●  Sedimentology

●  Contamination Studies

 

 

4.  Focused ElectricSonde GUIP38

 

The Focused Electric GUIP38 sonde measuresresistivity with an excellentvertical resolution and depth of investigation.

The sonde includes a central current-sourceelectrode placed between twoguard electrodes, maintained at the samepotential.Current from the central electrode is constrained to a thin disk bythe presence of the two guard electrodes and returns to the cable armor above a10-meter insulated section. The central electrode potential with respect to asurface voltage reference and the measured current are combined by the sondeprocessor to calculate the apparent formation resistivity.

 

The FocusedElectric GUIP38 sonde main features are:

 

●  Indication of permeablezones and porosity

●  Indication of fractures andpermeable zones

●  Bed boundary and thicknessmeasurements

 

5.  MagneticSusceptibility Probe MS42

 

The Magnetic-Susceptibility MS42 sonde is anew development of the industry-standard Bartington Instrument BSS02 product.

Its a low-frequencydevice specifically designed for mining applications showing outstandingstability against pressure and temperature variations.

This sonde relies on a similar principle tothe induction sonde where a current is induced by an oscillating magnetic fieldin the sonde within a toroidal zone offormation at some radial distance from the sonde coils. The oscillating currentproduces a secondary field which is detected by the receiver coils. The in-phase signal is a measurement of thesusceptibility of formations having magnetic properties.

 

The Magnetic-Susceptibility MS42 sonde mainfeatures are:

 

 Formation conductivitymeasurement in dry or fluid-filled borehole or even in PVC casing

●  Ideal for use in smalldiameter boreholes

●  Excellent thermal andpressure stability across specified operating range

●  Natural gamma measurementavailable for correlation

 

 

6.  Optical BoreholeTeleviewer OBI52

 

The Optical Borehole Televiewer OBI52 fromelectromind represents a major technological advance in the field  of borehole imaging sondes. The resultsobtained with this sonde surpass anything previously possible in terms  of image resolution, color rendering andlogging speed. The  Optical  Borehole Televiewer  OBI52 provides a continuous high resolution 360 degree  oriented  image of  the  borehole wall.  

 

Its  applications include:   

 

●  Fracture and StratigraphyImaging and Characterization   

●  Replacement of Coring   

●  Lithological Characterization   

●  Replacement of BoreholeTelevision Survey   

●  Casing Investigations

 






声学钻孔电视


1.   声学钻孔电视 ABI42 特性

技术规格

长度:2.1m                                                                            直径:42mm

重量:10kg                                                                            最高操作温度:70°

最高操作压力:200bar                                                            外罩:主体为钛,配件为无磁铜

钻孔直径范围:视钻孔条件从 3”到 15”                                  圆周分辨率: 用户自定义,每转90/120/180/360采样点

垂直分辨率:没有限制,取决于电缆释放速度。


性能/操作速度

典型测井速度3.6m/min,水平180像素,垂直分辨率3mm(1500米4芯电缆)


电缆

       电缆类型:任何标准同轴电缆,单芯或者多芯自动选择电缆

       数据传输速度:      1000米4芯电缆典型传输速度为156Kb/s

                                    1500米4芯电缆典型传输速度为125Kb/s

                                    2000米4芯电缆典型传输速度为104Kb/s

 记录器兼容性: eMindLogger


声学传感器

传感器类型:旋转镜聚焦压电复合传感器                                    传感器频率:1.5MHz

声束角:3°@-3dB,锥形                                                         传感器转速:自动或者用户调节,最高达每秒20转

声学增益范围:用户自定义,自动增益从0到60dB,步长1dB        井径分辨率:≤ 0.1mm  


定位

定位装置: 真三维精密三轴磁力仪和加速度计                            倾角精度: 0.5°

方位角精度: 1.0°


测井数据

文件输出为LGX格式:   时差360°方位图

                                         声幅360°方位图

                                  钻孔方位数据

                                  自然伽马(可选)

                                  传感器和T°

文件输出为LAS格式:   钻孔倾角和方位角

加速度计和磁力仪原始数据

总磁场(0.1nT分辨率)

自然伽马(可选)

测井速度

回放模式: 上述所有数据另加探头参数及设置、通讯参数及设置。



2.   FWS60 SLIMHOLEFULL-WAVE TRIPLE SONIC PROBE FEATURES

  

TECHNICAL SPECIFICATIONS

Length:   2.61mwithout natural gamma option; 2.95m with the option

Diameter:   42mm forthe upper and lower pressure housing; 60mm for the transducer section

Weight:   20kg

Max. Operating Temp:  70°C

Max. Operating Pressure:   200bars

Borehole Diameter:   3 to 15”, open hole, water-filled-Twocentralizers required

 

WIRELINE 

Cable Type:   Any standard wireline - coaxial, mono ormulti-conductors (automatic cable selection)

DataRate:     156Kb/s typical over a 1000m 4-conductor wireline
                    125Kb/s typical over a 1500m 4-conductor wireline
                    104Kb/s typical over a 2000m 4-conductor wireline

LoggerCompatibility:  eMindLogger

 

TRANSDUCER    

TransducerType:  Piezoelectric, 15KHz

Spacing:   TX-RX1 = 1500px

                TX-RX2 = 2250px
                TX-RX3 = 3000px


DATA ACQUISITION

2, 5 or 250pxdepth sampling interval

512 x 16-bitsamples per receiver

Samplinginterval of 4 or 8μsec

Gainadjustable from 0 to 36dB on each receiver


 

3.  GRS 42 NATURALGAMMA SPECTROSCOPY FEATURES

 

TECHNICAL SPECIFICATIONS

Length:  1.12m                                                                            Diameter:  42mm

Weight:  7kg                                                                               Max. OperatingTemp:  70°C

Max. OperatingPressure:  200bar                                                 Housing: Stainless Steel 316L body and bronze alloy parts

Energy Range:  60 to 3060keV                                                     Resolution:  8%

Dead Time:  4μsec                                                                      Maximum Count:  65000 cps

Channel Width:  User definable mode; 6keV (500 channels) or12keV (250 channels)

Detector:  Na(TI) scintillator; Crystal size 25mm OD x50mm (other crystal sizeon request i.e. 50mm OD x 150mm for GRS63)


WIRELINE

CableType:   Any standard wireline -coaxial, mono or multi-conductors
                    Automatic cable selection

LoggerCompatibility:   eMindLogger surfaceacquisition system including dedicated software

 

LOGGING DATA

File export toSEG2 format:   250 or 500 individualchannel count rates

File export toLAS 2.0 format:    Up to 6 user definedenergy windows

                                               Total natural gamma

                                               Scintillator temperature

Replay Mode:  All data listed above and additionally: sondeparameters andsettings; communication parameters and settings

 

SOFTWARE SCREENSHOTS

 


 

4.  GUIP38 FOCUSEDELECTRIC FEATURES

 

TECHNICAL SPECIFICATIONS

Length:  2.38m                                                                            Diameter:  38mm

Weight:  7kg                                                                               Max. OperatingTemp:  70°C

Max. OperatingPressure:  200bar                                                 PowerSupply:  70 to 100Vdc; 6W

 

WIRELINE

Cable Type:  Any standard wireline - coaxial, mono ormulti-conductors
                    Automatic cable selection and switching

LoggerCompatibility:  eMindLogger / RG Micrologger

 

SENSOR ARRAY

Guard ElectrodeLength:   1000mm

RA MeasuringRange:   0 to 25kΩ (16-bitresolution)

ConductivityRange:   0 to 1500mmho/m (16-bitresolution)

MeasurementFrequency:   200Hz; Pure sine wave withautomatic level control (ALC)

Natural GammaDetector:   NaI(TI) scintillation crystal;25mm x 50mm

MeasuringRange:   0 to 65000cpsCentral ElectrodeLength:100mm

 

MEASUREMENT FUNCTIONS

Focused resistivity and conductivity
Indication of chargeability
Natural gamma

 

 

5.  MS42  MAGNETIC SUSCEPTIBILITY PROBE  FEATURES

 

TECHNICAL SPECIFICATIONS

Length:  1.90m                                                                            Diameter:  42mm

Weight:  6kg                                                                                Max. OperatingTemp:  70°C

Max. OperatingPressure:  200bar

 

WIRELINE    

Cable Type:  Any standard wireline - coaxial, mono ormulti-conductors

                    Automatic cable selection and switching

LoggerCompatibility:  eMindLogger / RGMicrologger

 

SENSOR ARRAY         

OperatingFrequency:  1.439KHz                                                  VerticalResolution:  25mm

MeasuringRange:  10-5 to 10-1 cgs                                              Resolution:  10-5cgs

Natural GammaDetector:  NaI(TI) scintillation crystal;50mm x 25mm

 

ACCESSORIES & OPTIONS    

FieldCalibrator

Natural Gamma


MEASUREMENT FUNCTIONS     

Mineral Exploration:        

Of particularuse for uranium where the log shows a negative correlation with uraniferouscompounds.    

Susceptibilitylogs are highly sensitive to iron and show large contrasts according to itsoxidation state. The frequent occurrence of iron with other redox sensitivemetals can provide a valuable indicator of the presence of otherminerals.    

Horizondetection, particularly of altered sequences.


 

6.  OBI52  OPTICAL BOREHOLE  TELEVIEWER  FEATURES

 

TECHNICAL SPECIFICATIONS    

Length:  1.63m including natural gamma option                        Diameter:  42mm (housing)/52mm (bottom section)

Weight:  5kg                                                                              Max. OperatingTemp:  60°C

Max. OperatingPressure:   100bar; 200bar kit availablein option

Housing:   Titanium body and non-magnetic brass parts

BoreholeDiameter Range:   3 to 20”depending on borehole conditions

CircularResolution:   User definable: 360/540/720/900/1080/1260/1440pixels

VerticalResolution:   Unlimited, determined bywireline speed

 

PERFORMANCE / SPEED OF OPERATION    

3.6m/min typical logging speed with 1080 pixels horizontal / 1mm verticalresolution(Communicating over a 1500m 4-conductor wireline)

 

WIRELINE  

Cable Type:  Any standard wireline - coaxial, mono ormulti-conductors Automatic cable selection

Data Rate:   Real-time compressed digital data; up to1500Kbps effective transfer rate

LoggerCompatibility:   eMindLogger add-on box

 

IMAGE SENSOR         

Sensor Type:  1280x1024 pixels industrialgrade CMOS image sensor

Color Depth:  24 bits; RGB

Shutter:  User adjustable (logarithmic range)

Capture Rate:  User adjustable, 20 to 60 images/sec

Light Source:  Internal high power and high efficiency whiteLEDs

Optics:  360° circle view lens, focus 0 to infinity, 6elements high quality glass assembly

 

ORIENTATION    

OrientationDevice:  Precision 3-axis magnetometertogether with 3 accelerometers

InclinationAccuracy:  0.5°

AzimuthAccuracy:  1.0°

 

LOGGING DATA

File export toBMP, TIFF or JPEG format:  360°orientated optical image

File export toLAS format:    Borehole inclination andazimuth

                                          Natural gamma

                                          Total magnetic field (0.1nT resolution)

                                          Magnetic field angle vs gravity vector

                                          Logging speed
Replay Mode:  All data listed above andadditionally:

                      Camera settings (lighting, shutter,capture rate, resolution…);

                      Communication parameters and settings;

                      Camera chip temperature;

                      Sonde head voltage

 

SOFTWARE SCREENSHOT

 

IMAGE SAMPLES


 


 





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